<p dir="auto">iOS doesn't show text controls like autocorrect, copy, paste, cut, etc.</p>
<h1 dir="auto">WELCOME to the Flutter Console.</h1>
<p dir="auto">Use the console below this message to interact with the "flutter" command.<br>
Run "flutter doctor" to check if your system is ready to run Flutter apps.<br>
Run "flutter create &lt;app_name&gt;" to create a new Flutter project.</p>
<p dir="auto">Run "flutter help" to see all available commands.</p>
<p dir="auto">Want to use an IDE to interact with Flutter? <a href="https://flutter.io/ide-setup/" rel="nofollow">https://flutter.io/ide-setup/</a></p>
<p dir="auto">Want to run the "flutter" command from any Command Prompt or PowerShell window?<br>
Add Flutter to your PATH: <a href="https://flutter.io/setup-windows/#update-your-path" rel="nofollow">https://flutter.io/setup-windows/#update-your-path</a></p>
<p dir="auto">================================================================================</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="C:\Users\Nick&gt;flutter doctor -v
[√] Flutter (Channel beta, v0.9.4, on Microsoft Windows [Version 10.0.17134.376], locale en-IN)
    • Flutter version 0.9.4 at C:\Users\Nick\flutter
    • Framework revision f37c235c32 (6 weeks ago), 2018-09-25 17:45:40 -0400
    • Engine revision 74625aed32
    • Dart version 2.1.0-dev.5.0.flutter-a2eb050044

[√] Android toolchain - develop for Android devices (Android SDK 27.0.3)
    • Android SDK at C:\Users\Nick\AppData\Local\Android\Sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-27, build-tools 27.0.3
    • ANDROID_HOME = C:\Users\Nick\AppData\Local\Android\Sdk
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
    • All Android licenses accepted.

[√] Android Studio (version 3.2)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin version 29.1.1
    • Dart plugin version 181.5656
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)

[√] VS Code (version 1.28.2)
    • VS Code at C:\Users\Nick\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 2.20.0

[√] Connected devices (1 available)
    • Lenovo A7020a48 • BE65GAFM7H8HYTS4 • android-arm64 • Android 6.0 (API 23)

• No issues found!"><pre class="notranslate"><code class="notranslate">C:\Users\Nick&gt;flutter doctor -v
[√] Flutter (Channel beta, v0.9.4, on Microsoft Windows [Version 10.0.17134.376], locale en-IN)
    • Flutter version 0.9.4 at C:\Users\Nick\flutter
    • Framework revision f37c235c32 (6 weeks ago), 2018-09-25 17:45:40 -0400
    • Engine revision 74625aed32
    • Dart version 2.1.0-dev.5.0.flutter-a2eb050044

[√] Android toolchain - develop for Android devices (Android SDK 27.0.3)
    • Android SDK at C:\Users\Nick\AppData\Local\Android\Sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-27, build-tools 27.0.3
    • ANDROID_HOME = C:\Users\Nick\AppData\Local\Android\Sdk
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
    • All Android licenses accepted.

[√] Android Studio (version 3.2)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin version 29.1.1
    • Dart plugin version 181.5656
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)

[√] VS Code (version 1.28.2)
    • VS Code at C:\Users\Nick\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 2.20.0

[√] Connected devices (1 available)
    • Lenovo A7020a48 • BE65GAFM7H8HYTS4 • android-arm64 • Android 6.0 (API 23)

• No issues found!
</code></pre></div>
<p dir="auto">now when i run the demo app , console show me this error..</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Launching lib\main.dart on Lenovo A7020a48 in debug mode...
Launching lib\main.dart on Lenovo A7020a48 in debug mode...
Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

Compiler message:
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:243:24: Error: Expected an identifier, but got '{'.
  ContainerTextt text, {
                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:244:5: Error: Expected ';' after this.
    Key key,
    ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: Expected an identifier, but got 'this'.
    this.alignment,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: Expected ';' after this.
    this.alignment,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:9: Error: Expected a class member, but got '.'.
    this.alignment,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.alignment,
         ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: Expected an identifier, but got 'this'.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: Expected ';' after this.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: 'this' is already declared in this scope.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: Previous declaration of 'this'.
    this.alignment,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:9: Error: Expected a class member, but got '.'.
    this.padding,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.padding,
         ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:247:5: Error: Expected ';' after this.
    Color color,
    ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:247:11: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    Color color,
          ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:248:5: Error: Expected ';' after this.
    Decoration decoration,
    ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:248:16: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    Decoration decoration,
               ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: Expected an identifier, but got 'this'.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: Expected ';' after this.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: 'this' is already declared in this scope.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: Previous declaration of 'this'.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:9: Error: Expected a class member, but got '.'.
    this.foregroundDecoration,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.foregroundDecoration,
         ^^^^^^^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:250:5: Error: Expected ';' after this.
    double width,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:250:12: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    double width,
           ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:251:5: Error: Expected ';' after this.
    double height,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:251:5: Error: 'double' is already declared in this scope.
    double height,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:250:5: Error: Previous declaration of 'double'.
    double width,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:251:12: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    double height,
           ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:252:5: Error: Expected ';' after this.
    BoxConstraints constraints,
    ^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:252:20: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    BoxConstraints constraints,
                   ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: Expected an identifier, but got 'this'.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: Expected ';' after this.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: 'this' is already declared in this scope.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: Previous declaration of 'this'.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:9: Error: Expected a class member, but got '.'.
    this.margin,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.margin,
         ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: Expected an identifier, but got 'this'.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: Expected ';' after this.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: 'this' is already declared in this scope.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: Previous declaration of 'this'.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:9: Error: Expected a class member, but got '.'.
    this.transform,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.transform,
         ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: Expected an identifier, but got 'this'.
    this.child,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: Expected ';' after this.
    this.child,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: 'this' is already declared in this scope.
    this.child,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: Previous declaration of 'this'.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:9: Error: Expected a class member, but got '.'.
    this.child,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.child,
         ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:3: Error: Expected an identifier, but got '}'.
  }) : assert(margin == null || margin.isNonNegative),
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:3: Error: Expected ';' after this.
  }) : assert(margin == null || margin.isNonNegative),
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:3: Error: '' is already declared in this scope.
  }) : assert(margin == null || margin.isNonNegative),
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:244:5: Error: Previous declaration of ''.
    Key key,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:4: Error: Expected a declaration, but got ')'.
  }) : assert(margin == null || margin.isNonNegative),
   ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:6: Error: Expected a declaration, but got ':'.
  }) : assert(margin == null || margin.isNonNegative),
     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:8: Error: Expected an identifier, but got 'assert'.
  }) : assert(margin == null || margin.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:22: Error: Expected ')' before this.
  }) : assert(margin == null || margin.isNonNegative),
                     ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:54: Error: Expected '{' before this.
  }) : assert(margin == null || margin.isNonNegative),
                                                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:54: Error: Expected a declaration, but got ','.
  }) : assert(margin == null || margin.isNonNegative),
                                                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:8: Error: Expected an identifier, but got 'assert'.
       assert(padding == null || padding.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:23: Error: Expected ')' before this.
       assert(padding == null || padding.isNonNegative),
                      ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:56: Error: Expected '{' before this.
       assert(padding == null || padding.isNonNegative),
                                                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:8: Error: 'assert' is already declared in this scope.
       assert(padding == null || padding.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:8: Error: Previous declaration of 'assert'.
  }) : assert(margin == null || margin.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:56: Error: Expected a declaration, but got ','.
       assert(padding == null || padding.isNonNegative),
                                                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:8: Error: Expected an identifier, but got 'assert'.
       assert(decoration == null || decoration.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:26: Error: Expected ')' before this.
       assert(decoration == null || decoration.debugAssertIsValid()),
                         ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:69: Error: Expected '{' before this.
       assert(decoration == null || decoration.debugAssertIsValid()),
                                                                    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:8: Error: 'assert' is already declared in this scope.
       assert(decoration == null || decoration.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:8: Error: Previous declaration of 'assert'.
       assert(padding == null || padding.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:69: Error: Expected a declaration, but got ','.
       assert(decoration == null || decoration.debugAssertIsValid()),
                                                                    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:8: Error: Expected an identifier, but got 'assert'.
       assert(constraints == null || constraints.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:27: Error: Expected ')' before this.
       assert(constraints == null || constraints.debugAssertIsValid()),
                          ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:71: Error: Expected '{' before this.
       assert(constraints == null || constraints.debugAssertIsValid()),
                                                                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:8: Error: 'assert' is already declared in this scope.
       assert(constraints == null || constraints.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:8: Error: Previous declaration of 'assert'.
       assert(decoration == null || decoration.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:71: Error: Expected a declaration, but got ','.
       assert(constraints == null || constraints.debugAssertIsValid()),
                                                                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:260:8: Error: Expected an identifier, but got 'assert'.
       assert(color == null || decoration == null,
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:260:21: Error: Expected ')' before this.
       assert(color == null || decoration == null,
                    ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:263:9: Error: Expected '{' before this.
       ),
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:260:8: Error: 'assert' is already declared in this scope.
       assert(color == null || decoration == null,
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:8: Error: Previous declaration of 'assert'.
       assert(constraints == null || constraints.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:263:9: Error: Expected a declaration, but got ','.
       ),
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:264:8: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
       decoration = decoration ?? (color != null ? BoxDecoration(color: color) : null),
       ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:8: Error: Expected an identifier, but got 'super'.
       super(key: key);
       ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:8: Error: Expected ';' after this.
       super(key: key);
       ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:13: Error: Expected a declaration, but got '('.
       super(key: key);
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:14: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
       super(key: key);
             ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:14: Error: Expected ';' after this.
       super(key: key);
             ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:17: Error: Expected a declaration, but got ':'.
       super(key: key);
                ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:19: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
       super(key: key);
                  ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:19: Error: Expected ';' after this.
       super(key: key);
                  ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:19: Error: 'key' is already declared in this scope.
       super(key: key);
                  ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:14: Error: Previous declaration of 'key'.
       super(key: key);
             ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:22: Error: Expected a declaration, but got ')'.
       super(key: key);
                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:23: Error: Unexpected token ';'.
       super(key: key);
                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:280:16: Error: The final variable 'child' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Widget child;
               ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:296:27: Error: The final variable 'alignment' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final AlignmentGeometry alignment;
                          ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:303:28: Error: The final variable 'padding' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final EdgeInsetsGeometry padding;
                           ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:310:20: Error: The final variable 'decoration' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Decoration decoration;
                   ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:310:20: Error: 'decoration' is already declared in this scope.
  final Decoration decoration;
                   ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:264:8: Error: Previous declaration of 'decoration'.
       decoration = decoration ?? (color != null ? BoxDecoration(color: color) : null),
       ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:313:20: Error: The final variable 'foregroundDecoration' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Decoration foregroundDecoration;
                   ^^^^^^^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:321:24: Error: The final variable 'constraints' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final BoxConstraints constraints;
                       ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:321:24: Error: 'constraints' is already declared in this scope.
  final BoxConstraints constraints;
                       ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:265:8: Error: Previous declaration of 'constraints'.
       constraints =
       ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:324:28: Error: The final variable 'margin' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final EdgeInsetsGeometry margin;
                           ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:327:17: Error: The final variable 'transform' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Matrix4 transform;
                ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:391:1: Error: Expected a declaration, but got '}'.
}
^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:243:3: Error: Type 'ContainerTextt' not found.
  ContainerTextt text, {
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: Can't infer the type of 'this': overridden members must all have the same type.
Specify the type explicitly.
    this.child,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: The return type of the method 'Container::this' is dynamic, which does not match the return type of the overridden method (#lib1::Key).
Change to a subtype of #lib1::Key.
    this.child,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: This is the overridden method ('this').
    this.alignment,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The non-abstract class 'Container' is missing implementations for these members:
  'build'.
Try to either
 - provide an implementation,
 - inherit an implementation from a superclass or mixin,
 - mark the class as abstract, or
 - provide a 'noSuchMethod' implementation.

class Container extends StatelessWidget {
      ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/framework.dart:597:10: Error: 'build' is defined here.
  Widget build(BuildContext context);
         ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:281:23: Error: No named parameter with the name 'height'.
            Container(height: 18.0),
                      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:405:11: Error: No named parameter with the name 'decoration'.
          decoration: const BoxDecoration(
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:449:17: Error: No named parameter with the name 'height'.
      Container(height: 18.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:451:17: Error: No named parameter with the name 'height'.
      Container(height: 18.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:453:17: Error: No named parameter with the name 'height'.
      Container(height: 24.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/bottom_navigation_bar.dart:182:9: Error: No named parameter with the name 'margin'.
        margin: EdgeInsets.only(
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/bottom_navigation_bar.dart:204:9: Error: No named parameter with the name 'margin'.
        margin: const EdgeInsets.only(bottom: _kBottomMargin),
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/bottom_navigation_bar.dart:235:9: Error: No named parameter with the name 'margin'.
        margin: EdgeInsets.only(
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:195:15: Error: No named parameter with the name 'padding'.
              padding: widget.padding,
              ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:500:29: Error: The method 'getMinIntrinsicWidth' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMinIntrinsicWidth'.
      return math.max(child.getMinIntrinsicWidth(height), minSize.width);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:507:29: Error: The method 'getMinIntrinsicHeight' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMinIntrinsicHeight'.
      return math.max(child.getMinIntrinsicHeight(width), minSize.height);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:514:29: Error: The method 'getMaxIntrinsicWidth' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMaxIntrinsicWidth'.
      return math.max(child.getMaxIntrinsicWidth(height), minSize.width);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:521:29: Error: The method 'getMaxIntrinsicHeight' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMaxIntrinsicHeight'.
      return math.max(child.getMaxIntrinsicHeight(width), minSize.height);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:528:20: Error: Can't use 'constraints' because it is declared more than once.
      child.layout(constraints, parentUsesSize: true);
                   ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:531:14: Error: Can't use 'constraints' because it is declared more than once.
      size = constraints.constrain(Size(height, width));
             ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:528:13: Error: The method 'layout' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'layout'.
      child.layout(constraints, parentUsesSize: true);
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:529:44: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      final double height = math.max(child.size.width, minSize.width);
                                           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:530:43: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      final double width = math.max(child.size.height, minSize.height);
                                          ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:532:51: Error: The getter 'parentData' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'parentData'.
      final BoxParentData childParentData = child.parentData;
                                                  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:533:74: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      childParentData.offset = Alignment.center.alongOffset(size - child.size);
                                                                         ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:542:13: Error: The method 'hitTest' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'hitTest'.
      child.hitTest(result, position: child.size.center(Offset.zero));
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:542:45: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      child.hitTest(result, position: child.size.center(Offset.zero));
                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button_bar.dart:74:11: Error: No named parameter with the name 'padding'.
          padding: EdgeInsets.symmetric(horizontal: paddingUnit),
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/card.dart:134:9: Error: No named parameter with the name 'margin'.
        margin: margin ?? const EdgeInsets.all(4.0),
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1452:15: Error: No named parameter with the name 'decoration'.
              decoration: ShapeDecoration(
              ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1561:18: Error: The method 'hitTest' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'hitTest'.
    return child.hitTest(result, position: Offset(position.dx, size.height / 2));
                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1996:9: Error: Can't use 'constraints' because it is declared more than once.
    if (constraints.maxWidth.isFinite) {
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2002:13: Error: Can't use 'constraints' because it is declared more than once.
            constraints.maxWidth - iconSizes - theme.labelPadding.horizontal,
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1998:9: Error: Can't use 'constraints' because it is declared more than once.
        constraints.copyWith(
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2090:47: Error: Can't use 'constraints' because it is declared more than once.
    final BoxConstraints contentConstraints = constraints.loosen();
                                              ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2213:12: Error: Can't use 'constraints' because it is declared more than once.
    size = constraints.constrain(paddedSize);
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2215:24: Error: Can't use 'constraints' because it is declared more than once.
        size.height == constraints.constrainHeight(paddedSize.height),
                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2217:12: Error: Can't use 'constraints' because it is declared more than once.
        '${constraints.constrainWidth(paddedSize.height)}');
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2219:23: Error: Can't use 'constraints' because it is declared more than once.
        size.width == constraints.constrainWidth(paddedSize.width),
                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2221:12: Error: Can't use 'constraints' because it is declared more than once.
        '${constraints.constrainWidth(paddedSize.width)}');
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/data_table.dart:172:52: Error: No named parameter with the name 'width'.
  static final DataCell empty = DataCell(Container(width: 0.0, height: 0.0));
                                                   ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/data_table.dart:415:7: Error: No named parameter with the name 'padding'.
      padding: padding,
      ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/data_table.dart:468:7: Error: No named parameter with the name 'padding'.
      padding: padding,
      ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:155:7: Error: No named parameter with the name 'width'.
      width: width,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:193:11: Error: No named parameter with the name 'padding'.
          padding: const EdgeInsets.symmetric(horizontal: 8.0),
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:417:11: Error: No named parameter with the name 'decoration'.
          decoration: decoration,
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:454:13: Error: No named parameter with the name 'height'.
            height: _kDayPickerRowHeight,
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:988:23: Error: No named parameter with the name 'color'.
                      color: theme.dialogBackgroundColor,
                      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:1011:25: Error: No named parameter with the name 'width'.
                        width: _kMonthPickerLandscapeWidth,
                        ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/divider.dart:102:11: Error: No named parameter with the name 'height'.
          height: 0.0,
          ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/drawer.dart:387:28: Error: No named parameter with the name 'width'.
          child: Container(width: _kEdgeDragWidth)
                           ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/drawer.dart:409:23: Error: No named parameter with the name 'color'.
                      color: _color.evaluate(_controller),
                      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/drawer_header.dart:81:7: Error: No named parameter with the name 'height'.
      height: statusBarHeight + _kDrawerHeaderHeight,
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:160:13: Error: No named parameter with the name 'padding'.
            padding: widget.padding,
            ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:419:7: Error: No named parameter with the name 'height'.
      height: _kMenuItemHeight,
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:667:9: Error: No named parameter with the name 'padding'.
        padding: padding.resolve(Directionality.of(context)),
        ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:694:15: Error: No named parameter with the name 'height'.
              height: 1.0,
              ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/expansion_panel.dart:276:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsetsDirectional.only(end: 8.0),
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/expansion_panel.dart:293:39: Error: No named parameter with the name 'height'.
                firstChild: Container(height: 0.0),
                                      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/expansion_tile.dart:148:7: Error: No named parameter with the name 'decoration'.
      decoration: BoxDecoration(
      ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/flexible_space_bar.dart:201:11: Error: No named parameter with the name 'padding'.
          padding: EdgeInsetsDirectional.only(
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:330:18: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minWidth, math.min(constraints.maxWidth, child.size.width)),
                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:330:49: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minWidth, math.min(constraints.maxWidth, child.size.width)),
                                                ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:331:18: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minHeight, math.min(constraints.maxHeight, child.size.height)),
                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:331:50: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minHeight, math.min(constraints.maxHeight, child.size.height)),
                                                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:335:14: Error: Can't use 'constraints' because it is declared more than once.
      size = constraints.biggest;
             ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:328:13: Error: The method 'layout' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'layout'.
      child.layout(const BoxConstraints(), parentUsesSize: true);
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:330:77: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
        math.max(constraints.minWidth, math.min(constraints.maxWidth, child.size.width)),
                                                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:331:79: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
        math.max(constraints.minHeight, math.min(constraints.maxHeight, child.size.height)),
                                                                              ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/grid_tile_bar.dart:120:7: Error: No named parameter with the name 'padding'.
      padding: padding,
      ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:832:45: Error: Can't use 'constraints' because it is declared more than once.
    final double inputWidth = math.max(0.0, constraints.maxWidth - (
                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:976:52: Error: Can't use 'constraints' because it is declared more than once.
    final _RenderDecorationLayout layout = _layout(constraints);
                                                   ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:978:33: Error: Can't use 'constraints' because it is declared more than once.
    final double overallWidth = constraints.maxWidth;
                                ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:1119:12: Error: Can't use 'constraints' because it is declared more than once.
    size = constraints.constrain(Size(overallWidth, overallHeight));
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:1120:26: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.width == constraints.constrainWidth(overallWidth));
                         ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:1121:27: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.height == constraints.constrainHeight(overallHeight));
                          ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:907:45: Error: Can't use 'constraints' because it is declared more than once.
    final BoxConstraints looseConstraints = constraints.loosen();
                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:993:12: Error: Can't use 'constraints' because it is declared more than once.
    size = constraints.constrain(Size(tileWidth, tileHeight));
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:994:26: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.width == constraints.constrainWidth(tileWidth));
                         ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:995:27: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.height == constraints.constrainHeight(tileHeight));
                          ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:54:34: Error: Can't use 'key' because it is declared more than once.
    return 'MergeableSlice(key: $key, child: $child)';
                                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:75:31: Error: Can't use 'key' because it is declared more than once.
    return 'MaterialGap(key: $key, child: $size)';
                              ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:528:13: Error: No named parameter with the name 'decoration'.
            decoration: BoxDecoration(
            ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:599:11: Error: No named parameter with the name 'decoration'.
          decoration: BoxDecoration(
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/page_transitions_theme.dart:116:15: Error: No named parameter with the name 'color'.
              color: Colors.black.withOpacity(opacityAnimation.value),
              ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:338:19: Error: No named parameter with the name 'width'.
        Container(width: 14.0), // to match trailing padding in case we overflow and end up scrolling
                  ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:358:17: Error: No named parameter with the name 'width'.
      Container(width: 32.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:367:17: Error: No named parameter with the name 'width'.
      Container(width: 32.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:374:17: Error: No named parameter with the name 'width'.
      Container(width: 24.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:381:17: Error: No named parameter with the name 'width'.
      Container(width: 14.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:436:17: Error: No named parameter with the name 'height'.
                height: 56.0,
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/popup_menu.dart:267:9: Error: No named parameter with the name 'height'.
        height: widget.height,
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/popup_menu.dart:441:11: Error: No named parameter with the name 'color'.
          color: Theme.of(context).highlightColor,
          ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/progress_indicator.dart:224:7: Error: No named parameter with the name 'constraints'.
      constraints: const BoxConstraints.tightFor(
      ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/progress_indicator.dart:401:7: Error: No named parameter with the name 'constraints'.
      constraints: const BoxConstraints(
      ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/progress_indicator.dart:551:7: Error: No named parameter with the name 'width'.
      width: _indicatorSize,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/refresh_indicator.dart:425:15: Error: No named parameter with the name 'padding'.
              padding: _isIndicatorAtTop
              ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/reorderable_list.dart:430:11: Error: No named parameter with the name 'alignment'.
          alignment: Alignment.topLeft,
          ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/scaffold.dart:1573:11: Error: No named parameter with the name 'decoration'.
          decoration: BoxDecoration(
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:931:7: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedWidth ? constraints.maxWidth : _preferredTotalWidth,
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:931:37: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedWidth ? constraints.maxWidth : _preferredTotalWidth,
                                    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:932:7: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedHeight ? constraints.maxHeight : _overlayDiameter,
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:932:38: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedHeight ? constraints.maxHeight : _overlayDiameter,
                                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/snack_bar.dart:205:11: Error: No named parameter with the name 'padding'.
          padding: const EdgeInsets.symmetric(vertical: _kSingleLineVerticalPadding),
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/snack_bar.dart:289:12: Error: Can't use 'key' because it is declared more than once.
      key: key ?? fallbackKey,
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:224:7: Error: No named parameter with the name 'width'.
      width: visible ? 1.0 : 0.0,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:270:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.symmetric(vertical: 8.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:289:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.symmetric(vertical: 8.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:360:15: Error: No named parameter with the name 'margin'.
              margin: const EdgeInsetsDirectional.only(start: 8.0),
              ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:347:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.only(top: 16.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:431:11: Error: No named parameter with the name 'margin'.
          margin: const EdgeInsets.only(top: 2.0),
          ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:463:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsetsDirectional.only(start: 12.0),
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:450:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.symmetric(horizontal: 24.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:484:19: Error: No named parameter with the name 'color'.
                  color: Colors.grey.shade400,
                  ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:491:33: Error: No named parameter with the name 'height'.
          firstChild: Container(height: 0.0),
                                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:493:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsetsDirectional.only(
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:563:17: Error: No named parameter with the name 'height'.
                height: 72.0,
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:569:17: Error: No named parameter with the name 'margin'.
                margin: const EdgeInsetsDirectional.only(start: 12.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:581:15: Error: No named parameter with the name 'margin'.
              margin: const EdgeInsets.symmetric(horizontal: 8.0),
              ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:595:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsets.symmetric(horizontal: 24.0),
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tabs.dart:106:13: Error: No named parameter with the name 'child'.
            child: icon,
            ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tabs.dart:905:9: Error: No named parameter with the name 'height'.
        height: _kTabHeight + widget.indicatorWeight,
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tabs.dart:1221:7: Error: No named parameter with the name 'width'.
      width: size,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/text_selection.dart:52:9: Error: No named parameter with the name 'height'.
        height: 44.0,
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/time_picker.dart:769:7: Error: No named parameter with the name 'width'.
      width: width,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/time_picker.dart:1571:13: Error: No named parameter with the name 'color'.
            color: theme.dialogBackgroundColor,
            ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tooltip.dart:300:19: Error: No named parameter with the name 'decoration'.
                  decoration: BoxDecoration(
                  ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/two_level_list.dart:199:7: Error: No named parameter with the name 'decoration'.
      decoration: BoxDecoration(
      ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/user_accounts_drawer_header.dart:39:19: Error: No named parameter with the name 'padding'.
                  padding: const EdgeInsets.only(left: 8.0, bottom: 8.0),
                  ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:243:3: Error: 'ContainerTextt' isn't a type.
  ContainerTextt text, {
  ^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:8: Error: Duplicated name: assert
  }) : assert(margin == null || margin.isNonNegative),
       ^
Compiler failed on C:\Users\Nick\Desktop\music\lib\main.dart
Gradle task assembleDebug failed with exit code 1
Exited (sigterm)"><pre class="notranslate"><code class="notranslate">Launching lib\main.dart on Lenovo A7020a48 in debug mode...
Launching lib\main.dart on Lenovo A7020a48 in debug mode...
Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

Compiler message:
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:243:24: Error: Expected an identifier, but got '{'.
  ContainerTextt text, {
                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:244:5: Error: Expected ';' after this.
    Key key,
    ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: Expected an identifier, but got 'this'.
    this.alignment,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: Expected ';' after this.
    this.alignment,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:9: Error: Expected a class member, but got '.'.
    this.alignment,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.alignment,
         ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: Expected an identifier, but got 'this'.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: Expected ';' after this.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: 'this' is already declared in this scope.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: Previous declaration of 'this'.
    this.alignment,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:9: Error: Expected a class member, but got '.'.
    this.padding,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.padding,
         ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:247:5: Error: Expected ';' after this.
    Color color,
    ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:247:11: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    Color color,
          ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:248:5: Error: Expected ';' after this.
    Decoration decoration,
    ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:248:16: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    Decoration decoration,
               ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: Expected an identifier, but got 'this'.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: Expected ';' after this.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: 'this' is already declared in this scope.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:246:5: Error: Previous declaration of 'this'.
    this.padding,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:9: Error: Expected a class member, but got '.'.
    this.foregroundDecoration,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.foregroundDecoration,
         ^^^^^^^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:250:5: Error: Expected ';' after this.
    double width,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:250:12: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    double width,
           ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:251:5: Error: Expected ';' after this.
    double height,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:251:5: Error: 'double' is already declared in this scope.
    double height,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:250:5: Error: Previous declaration of 'double'.
    double width,
    ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:251:12: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    double height,
           ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:252:5: Error: Expected ';' after this.
    BoxConstraints constraints,
    ^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:252:20: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    BoxConstraints constraints,
                   ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: Expected an identifier, but got 'this'.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: Expected ';' after this.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: 'this' is already declared in this scope.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:249:5: Error: Previous declaration of 'this'.
    this.foregroundDecoration,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:9: Error: Expected a class member, but got '.'.
    this.margin,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.margin,
         ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: Expected an identifier, but got 'this'.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: Expected ';' after this.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: 'this' is already declared in this scope.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:253:5: Error: Previous declaration of 'this'.
    this.margin,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:9: Error: Expected a class member, but got '.'.
    this.transform,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.transform,
         ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: Expected an identifier, but got 'this'.
    this.child,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: Expected ';' after this.
    this.child,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: 'this' is already declared in this scope.
    this.child,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:254:5: Error: Previous declaration of 'this'.
    this.transform,
    ^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:9: Error: Expected a class member, but got '.'.
    this.child,
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:10: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
    this.child,
         ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:3: Error: Expected an identifier, but got '}'.
  }) : assert(margin == null || margin.isNonNegative),
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:3: Error: Expected ';' after this.
  }) : assert(margin == null || margin.isNonNegative),
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:3: Error: '' is already declared in this scope.
  }) : assert(margin == null || margin.isNonNegative),
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:244:5: Error: Previous declaration of ''.
    Key key,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:4: Error: Expected a declaration, but got ')'.
  }) : assert(margin == null || margin.isNonNegative),
   ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:6: Error: Expected a declaration, but got ':'.
  }) : assert(margin == null || margin.isNonNegative),
     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:8: Error: Expected an identifier, but got 'assert'.
  }) : assert(margin == null || margin.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:22: Error: Expected ')' before this.
  }) : assert(margin == null || margin.isNonNegative),
                     ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:54: Error: Expected '{' before this.
  }) : assert(margin == null || margin.isNonNegative),
                                                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:54: Error: Expected a declaration, but got ','.
  }) : assert(margin == null || margin.isNonNegative),
                                                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:8: Error: Expected an identifier, but got 'assert'.
       assert(padding == null || padding.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:23: Error: Expected ')' before this.
       assert(padding == null || padding.isNonNegative),
                      ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:56: Error: Expected '{' before this.
       assert(padding == null || padding.isNonNegative),
                                                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:8: Error: 'assert' is already declared in this scope.
       assert(padding == null || padding.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:8: Error: Previous declaration of 'assert'.
  }) : assert(margin == null || margin.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:56: Error: Expected a declaration, but got ','.
       assert(padding == null || padding.isNonNegative),
                                                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:8: Error: Expected an identifier, but got 'assert'.
       assert(decoration == null || decoration.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:26: Error: Expected ')' before this.
       assert(decoration == null || decoration.debugAssertIsValid()),
                         ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:69: Error: Expected '{' before this.
       assert(decoration == null || decoration.debugAssertIsValid()),
                                                                    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:8: Error: 'assert' is already declared in this scope.
       assert(decoration == null || decoration.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:257:8: Error: Previous declaration of 'assert'.
       assert(padding == null || padding.isNonNegative),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:69: Error: Expected a declaration, but got ','.
       assert(decoration == null || decoration.debugAssertIsValid()),
                                                                    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:8: Error: Expected an identifier, but got 'assert'.
       assert(constraints == null || constraints.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:27: Error: Expected ')' before this.
       assert(constraints == null || constraints.debugAssertIsValid()),
                          ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:71: Error: Expected '{' before this.
       assert(constraints == null || constraints.debugAssertIsValid()),
                                                                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:8: Error: 'assert' is already declared in this scope.
       assert(constraints == null || constraints.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:258:8: Error: Previous declaration of 'assert'.
       assert(decoration == null || decoration.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:71: Error: Expected a declaration, but got ','.
       assert(constraints == null || constraints.debugAssertIsValid()),
                                                                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:260:8: Error: Expected an identifier, but got 'assert'.
       assert(color == null || decoration == null,
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:260:21: Error: Expected ')' before this.
       assert(color == null || decoration == null,
                    ^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:263:9: Error: Expected '{' before this.
       ),
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:260:8: Error: 'assert' is already declared in this scope.
       assert(color == null || decoration == null,
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:259:8: Error: Previous declaration of 'assert'.
       assert(constraints == null || constraints.debugAssertIsValid()),
       ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:263:9: Error: Expected a declaration, but got ','.
       ),
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:264:8: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
       decoration = decoration ?? (color != null ? BoxDecoration(color: color) : null),
       ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:8: Error: Expected an identifier, but got 'super'.
       super(key: key);
       ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:8: Error: Expected ';' after this.
       super(key: key);
       ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:13: Error: Expected a declaration, but got '('.
       super(key: key);
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:14: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
       super(key: key);
             ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:14: Error: Expected ';' after this.
       super(key: key);
             ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:17: Error: Expected a declaration, but got ':'.
       super(key: key);
                ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:19: Error: Variables must be declared using the keywords 'const', 'final', 'var' or a type name.
Try adding the name of the type of the variable or the keyword 'var'.
       super(key: key);
                  ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:19: Error: Expected ';' after this.
       super(key: key);
                  ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:19: Error: 'key' is already declared in this scope.
       super(key: key);
                  ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:14: Error: Previous declaration of 'key'.
       super(key: key);
             ^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:22: Error: Expected a declaration, but got ')'.
       super(key: key);
                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:270:23: Error: Unexpected token ';'.
       super(key: key);
                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:280:16: Error: The final variable 'child' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Widget child;
               ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:296:27: Error: The final variable 'alignment' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final AlignmentGeometry alignment;
                          ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:303:28: Error: The final variable 'padding' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final EdgeInsetsGeometry padding;
                           ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:310:20: Error: The final variable 'decoration' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Decoration decoration;
                   ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:310:20: Error: 'decoration' is already declared in this scope.
  final Decoration decoration;
                   ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:264:8: Error: Previous declaration of 'decoration'.
       decoration = decoration ?? (color != null ? BoxDecoration(color: color) : null),
       ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:313:20: Error: The final variable 'foregroundDecoration' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Decoration foregroundDecoration;
                   ^^^^^^^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:321:24: Error: The final variable 'constraints' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final BoxConstraints constraints;
                       ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:321:24: Error: 'constraints' is already declared in this scope.
  final BoxConstraints constraints;
                       ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:265:8: Error: Previous declaration of 'constraints'.
       constraints =
       ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:324:28: Error: The final variable 'margin' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final EdgeInsetsGeometry margin;
                           ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:327:17: Error: The final variable 'transform' must be initialized.
Try adding an initializer ('= &lt;expression&gt;') to the declaration.
  final Matrix4 transform;
                ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:391:1: Error: Expected a declaration, but got '}'.
}
^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:243:3: Error: Type 'ContainerTextt' not found.
  ContainerTextt text, {
  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: Can't infer the type of 'this': overridden members must all have the same type.
Specify the type explicitly.
    this.child,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:255:5: Error: The return type of the method 'Container::this' is dynamic, which does not match the return type of the overridden method (#lib1::Key).
Change to a subtype of #lib1::Key.
    this.child,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:245:5: Error: This is the overridden method ('this').
    this.alignment,
    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The non-abstract class 'Container' is missing implementations for these members:
  'build'.
Try to either
 - provide an implementation,
 - inherit an implementation from a superclass or mixin,
 - mark the class as abstract, or
 - provide a 'noSuchMethod' implementation.

class Container extends StatelessWidget {
      ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/framework.dart:597:10: Error: 'build' is defined here.
  Widget build(BuildContext context);
         ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:281:23: Error: No named parameter with the name 'height'.
            Container(height: 18.0),
                      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:405:11: Error: No named parameter with the name 'decoration'.
          decoration: const BoxDecoration(
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:449:17: Error: No named parameter with the name 'height'.
      Container(height: 18.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:451:17: Error: No named parameter with the name 'height'.
      Container(height: 18.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/about.dart:453:17: Error: No named parameter with the name 'height'.
      Container(height: 24.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/bottom_navigation_bar.dart:182:9: Error: No named parameter with the name 'margin'.
        margin: EdgeInsets.only(
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/bottom_navigation_bar.dart:204:9: Error: No named parameter with the name 'margin'.
        margin: const EdgeInsets.only(bottom: _kBottomMargin),
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/bottom_navigation_bar.dart:235:9: Error: No named parameter with the name 'margin'.
        margin: EdgeInsets.only(
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:195:15: Error: No named parameter with the name 'padding'.
              padding: widget.padding,
              ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:500:29: Error: The method 'getMinIntrinsicWidth' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMinIntrinsicWidth'.
      return math.max(child.getMinIntrinsicWidth(height), minSize.width);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:507:29: Error: The method 'getMinIntrinsicHeight' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMinIntrinsicHeight'.
      return math.max(child.getMinIntrinsicHeight(width), minSize.height);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:514:29: Error: The method 'getMaxIntrinsicWidth' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMaxIntrinsicWidth'.
      return math.max(child.getMaxIntrinsicWidth(height), minSize.width);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:521:29: Error: The method 'getMaxIntrinsicHeight' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'getMaxIntrinsicHeight'.
      return math.max(child.getMaxIntrinsicHeight(width), minSize.height);
                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:528:20: Error: Can't use 'constraints' because it is declared more than once.
      child.layout(constraints, parentUsesSize: true);
                   ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:531:14: Error: Can't use 'constraints' because it is declared more than once.
      size = constraints.constrain(Size(height, width));
             ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:528:13: Error: The method 'layout' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'layout'.
      child.layout(constraints, parentUsesSize: true);
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:529:44: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      final double height = math.max(child.size.width, minSize.width);
                                           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:530:43: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      final double width = math.max(child.size.height, minSize.height);
                                          ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:532:51: Error: The getter 'parentData' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'parentData'.
      final BoxParentData childParentData = child.parentData;
                                                  ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:533:74: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      childParentData.offset = Alignment.center.alongOffset(size - child.size);
                                                                         ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:542:13: Error: The method 'hitTest' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'hitTest'.
      child.hitTest(result, position: child.size.center(Offset.zero));
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button.dart:542:45: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
      child.hitTest(result, position: child.size.center(Offset.zero));
                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/button_bar.dart:74:11: Error: No named parameter with the name 'padding'.
          padding: EdgeInsets.symmetric(horizontal: paddingUnit),
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/card.dart:134:9: Error: No named parameter with the name 'margin'.
        margin: margin ?? const EdgeInsets.all(4.0),
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1452:15: Error: No named parameter with the name 'decoration'.
              decoration: ShapeDecoration(
              ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1561:18: Error: The method 'hitTest' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'hitTest'.
    return child.hitTest(result, position: Offset(position.dx, size.height / 2));
                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1996:9: Error: Can't use 'constraints' because it is declared more than once.
    if (constraints.maxWidth.isFinite) {
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2002:13: Error: Can't use 'constraints' because it is declared more than once.
            constraints.maxWidth - iconSizes - theme.labelPadding.horizontal,
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:1998:9: Error: Can't use 'constraints' because it is declared more than once.
        constraints.copyWith(
        ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2090:47: Error: Can't use 'constraints' because it is declared more than once.
    final BoxConstraints contentConstraints = constraints.loosen();
                                              ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2213:12: Error: Can't use 'constraints' because it is declared more than once.
    size = constraints.constrain(paddedSize);
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2215:24: Error: Can't use 'constraints' because it is declared more than once.
        size.height == constraints.constrainHeight(paddedSize.height),
                       ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2217:12: Error: Can't use 'constraints' because it is declared more than once.
        '${constraints.constrainWidth(paddedSize.height)}');
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2219:23: Error: Can't use 'constraints' because it is declared more than once.
        size.width == constraints.constrainWidth(paddedSize.width),
                      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/chip.dart:2221:12: Error: Can't use 'constraints' because it is declared more than once.
        '${constraints.constrainWidth(paddedSize.width)}');
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/data_table.dart:172:52: Error: No named parameter with the name 'width'.
  static final DataCell empty = DataCell(Container(width: 0.0, height: 0.0));
                                                   ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/data_table.dart:415:7: Error: No named parameter with the name 'padding'.
      padding: padding,
      ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/data_table.dart:468:7: Error: No named parameter with the name 'padding'.
      padding: padding,
      ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:155:7: Error: No named parameter with the name 'width'.
      width: width,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:193:11: Error: No named parameter with the name 'padding'.
          padding: const EdgeInsets.symmetric(horizontal: 8.0),
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:417:11: Error: No named parameter with the name 'decoration'.
          decoration: decoration,
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:454:13: Error: No named parameter with the name 'height'.
            height: _kDayPickerRowHeight,
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:988:23: Error: No named parameter with the name 'color'.
                      color: theme.dialogBackgroundColor,
                      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/date_picker.dart:1011:25: Error: No named parameter with the name 'width'.
                        width: _kMonthPickerLandscapeWidth,
                        ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/divider.dart:102:11: Error: No named parameter with the name 'height'.
          height: 0.0,
          ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/drawer.dart:387:28: Error: No named parameter with the name 'width'.
          child: Container(width: _kEdgeDragWidth)
                           ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/drawer.dart:409:23: Error: No named parameter with the name 'color'.
                      color: _color.evaluate(_controller),
                      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/drawer_header.dart:81:7: Error: No named parameter with the name 'height'.
      height: statusBarHeight + _kDrawerHeaderHeight,
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:160:13: Error: No named parameter with the name 'padding'.
            padding: widget.padding,
            ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:419:7: Error: No named parameter with the name 'height'.
      height: _kMenuItemHeight,
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:667:9: Error: No named parameter with the name 'padding'.
        padding: padding.resolve(Directionality.of(context)),
        ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/dropdown.dart:694:15: Error: No named parameter with the name 'height'.
              height: 1.0,
              ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/expansion_panel.dart:276:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsetsDirectional.only(end: 8.0),
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/expansion_panel.dart:293:39: Error: No named parameter with the name 'height'.
                firstChild: Container(height: 0.0),
                                      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/expansion_tile.dart:148:7: Error: No named parameter with the name 'decoration'.
      decoration: BoxDecoration(
      ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/flexible_space_bar.dart:201:11: Error: No named parameter with the name 'padding'.
          padding: EdgeInsetsDirectional.only(
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:330:18: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minWidth, math.min(constraints.maxWidth, child.size.width)),
                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:330:49: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minWidth, math.min(constraints.maxWidth, child.size.width)),
                                                ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:331:18: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minHeight, math.min(constraints.maxHeight, child.size.height)),
                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:331:50: Error: Can't use 'constraints' because it is declared more than once.
        math.max(constraints.minHeight, math.min(constraints.maxHeight, child.size.height)),
                                                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:335:14: Error: Can't use 'constraints' because it is declared more than once.
      size = constraints.biggest;
             ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:328:13: Error: The method 'layout' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing method, or defining a method named 'layout'.
      child.layout(const BoxConstraints(), parentUsesSize: true);
            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:330:77: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
        math.max(constraints.minWidth, math.min(constraints.maxWidth, child.size.width)),
                                                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/floating_action_button.dart:331:79: Error: The getter 'size' isn't defined for the class '#lib1::Widget'.
Try correcting the name to the name of an existing getter, or defining a getter or field named 'size'.
        math.max(constraints.minHeight, math.min(constraints.maxHeight, child.size.height)),
                                                                              ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/grid_tile_bar.dart:120:7: Error: No named parameter with the name 'padding'.
      padding: padding,
      ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:832:45: Error: Can't use 'constraints' because it is declared more than once.
    final double inputWidth = math.max(0.0, constraints.maxWidth - (
                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:976:52: Error: Can't use 'constraints' because it is declared more than once.
    final _RenderDecorationLayout layout = _layout(constraints);
                                                   ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:978:33: Error: Can't use 'constraints' because it is declared more than once.
    final double overallWidth = constraints.maxWidth;
                                ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:1119:12: Error: Can't use 'constraints' because it is declared more than once.
    size = constraints.constrain(Size(overallWidth, overallHeight));
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:1120:26: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.width == constraints.constrainWidth(overallWidth));
                         ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/input_decorator.dart:1121:27: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.height == constraints.constrainHeight(overallHeight));
                          ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:907:45: Error: Can't use 'constraints' because it is declared more than once.
    final BoxConstraints looseConstraints = constraints.loosen();
                                            ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:993:12: Error: Can't use 'constraints' because it is declared more than once.
    size = constraints.constrain(Size(tileWidth, tileHeight));
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:994:26: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.width == constraints.constrainWidth(tileWidth));
                         ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/list_tile.dart:995:27: Error: Can't use 'constraints' because it is declared more than once.
    assert(size.height == constraints.constrainHeight(tileHeight));
                          ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:54:34: Error: Can't use 'key' because it is declared more than once.
    return 'MergeableSlice(key: $key, child: $child)';
                                 ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:75:31: Error: Can't use 'key' because it is declared more than once.
    return 'MaterialGap(key: $key, child: $size)';
                              ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:528:13: Error: No named parameter with the name 'decoration'.
            decoration: BoxDecoration(
            ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/mergeable_material.dart:599:11: Error: No named parameter with the name 'decoration'.
          decoration: BoxDecoration(
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/page_transitions_theme.dart:116:15: Error: No named parameter with the name 'color'.
              color: Colors.black.withOpacity(opacityAnimation.value),
              ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:338:19: Error: No named parameter with the name 'width'.
        Container(width: 14.0), // to match trailing padding in case we overflow and end up scrolling
                  ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:358:17: Error: No named parameter with the name 'width'.
      Container(width: 32.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:367:17: Error: No named parameter with the name 'width'.
      Container(width: 32.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:374:17: Error: No named parameter with the name 'width'.
      Container(width: 24.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:381:17: Error: No named parameter with the name 'width'.
      Container(width: 14.0),
                ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/paginated_data_table.dart:436:17: Error: No named parameter with the name 'height'.
                height: 56.0,
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/popup_menu.dart:267:9: Error: No named parameter with the name 'height'.
        height: widget.height,
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/popup_menu.dart:441:11: Error: No named parameter with the name 'color'.
          color: Theme.of(context).highlightColor,
          ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/progress_indicator.dart:224:7: Error: No named parameter with the name 'constraints'.
      constraints: const BoxConstraints.tightFor(
      ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/progress_indicator.dart:401:7: Error: No named parameter with the name 'constraints'.
      constraints: const BoxConstraints(
      ^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/progress_indicator.dart:551:7: Error: No named parameter with the name 'width'.
      width: _indicatorSize,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/refresh_indicator.dart:425:15: Error: No named parameter with the name 'padding'.
              padding: _isIndicatorAtTop
              ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/reorderable_list.dart:430:11: Error: No named parameter with the name 'alignment'.
          alignment: Alignment.topLeft,
          ^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/scaffold.dart:1573:11: Error: No named parameter with the name 'decoration'.
          decoration: BoxDecoration(
          ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:931:7: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedWidth ? constraints.maxWidth : _preferredTotalWidth,
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:931:37: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedWidth ? constraints.maxWidth : _preferredTotalWidth,
                                    ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:932:7: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedHeight ? constraints.maxHeight : _overlayDiameter,
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/slider.dart:932:38: Error: Can't use 'constraints' because it is declared more than once.
      constraints.hasBoundedHeight ? constraints.maxHeight : _overlayDiameter,
                                     ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/snack_bar.dart:205:11: Error: No named parameter with the name 'padding'.
          padding: const EdgeInsets.symmetric(vertical: _kSingleLineVerticalPadding),
          ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/snack_bar.dart:289:12: Error: Can't use 'key' because it is declared more than once.
      key: key ?? fallbackKey,
           ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:224:7: Error: No named parameter with the name 'width'.
      width: visible ? 1.0 : 0.0,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:270:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.symmetric(vertical: 8.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:289:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.symmetric(vertical: 8.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:360:15: Error: No named parameter with the name 'margin'.
              margin: const EdgeInsetsDirectional.only(start: 8.0),
              ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:347:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.only(top: 16.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:431:11: Error: No named parameter with the name 'margin'.
          margin: const EdgeInsets.only(top: 2.0),
          ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:463:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsetsDirectional.only(start: 12.0),
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:450:7: Error: No named parameter with the name 'margin'.
      margin: const EdgeInsets.symmetric(horizontal: 24.0),
      ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:484:19: Error: No named parameter with the name 'color'.
                  color: Colors.grey.shade400,
                  ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:491:33: Error: No named parameter with the name 'height'.
          firstChild: Container(height: 0.0),
                                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:493:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsetsDirectional.only(
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:563:17: Error: No named parameter with the name 'height'.
                height: 72.0,
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:569:17: Error: No named parameter with the name 'margin'.
                margin: const EdgeInsetsDirectional.only(start: 12.0),
                ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:581:15: Error: No named parameter with the name 'margin'.
              margin: const EdgeInsets.symmetric(horizontal: 8.0),
              ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/stepper.dart:595:13: Error: No named parameter with the name 'margin'.
            margin: const EdgeInsets.symmetric(horizontal: 24.0),
            ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tabs.dart:106:13: Error: No named parameter with the name 'child'.
            child: icon,
            ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tabs.dart:905:9: Error: No named parameter with the name 'height'.
        height: _kTabHeight + widget.indicatorWeight,
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tabs.dart:1221:7: Error: No named parameter with the name 'width'.
      width: size,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/text_selection.dart:52:9: Error: No named parameter with the name 'height'.
        height: 44.0,
        ^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/time_picker.dart:769:7: Error: No named parameter with the name 'width'.
      width: width,
      ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/time_picker.dart:1571:13: Error: No named parameter with the name 'color'.
            color: theme.dialogBackgroundColor,
            ^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/tooltip.dart:300:19: Error: No named parameter with the name 'decoration'.
                  decoration: BoxDecoration(
                  ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/two_level_list.dart:199:7: Error: No named parameter with the name 'decoration'.
      decoration: BoxDecoration(
      ^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/material/user_accounts_drawer_header.dart:39:19: Error: No named parameter with the name 'padding'.
                  padding: const EdgeInsets.only(left: 8.0, bottom: 8.0),
                  ^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:233:7: Error: The class 'Container' has a constructor that takes no arguments.
class Container extends StatelessWidget {
      ^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:243:3: Error: 'ContainerTextt' isn't a type.
  ContainerTextt text, {
  ^^^^^^^^^^^^^^
file:///C:/Users/Nick/flutter/packages/flutter/lib/src/widgets/container.dart:256:8: Error: Duplicated name: assert
  }) : assert(margin == null || margin.isNonNegative),
       ^
Compiler failed on C:\Users\Nick\Desktop\music\lib\main.dart
Gradle task assembleDebug failed with exit code 1
Exited (sigterm)
</code></pre></div>