<p dir="auto">Run 'flutter doctor' from VSCode command palette:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="[flutter] flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v0.5.1, on Mac OS X 10.13.6 17G65, locale en-CN)
[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
[!] iOS toolchain - develop for iOS devices (Xcode 9.4.1)
    ✗ Missing Xcode dependency: Python module &quot;six&quot;.
      Install via 'pip install six' or 'sudo easy_install six'.
[✓] Android Studio (version 3.1)
[✓] IntelliJ IDEA Community Edition (version 2017.2.7)
[!] VS Code (version 1.25.1)
[✓] Connected devices (1 available)

! Doctor found issues in 2 categories.
exit code 0"><pre class="notranslate"><code class="notranslate">[flutter] flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v0.5.1, on Mac OS X 10.13.6 17G65, locale en-CN)
[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
[!] iOS toolchain - develop for iOS devices (Xcode 9.4.1)
    ✗ Missing Xcode dependency: Python module "six".
      Install via 'pip install six' or 'sudo easy_install six'.
[✓] Android Studio (version 3.1)
[✓] IntelliJ IDEA Community Edition (version 2017.2.7)
[!] VS Code (version 1.25.1)
[✓] Connected devices (1 available)

! Doctor found issues in 2 categories.
exit code 0
</code></pre></div>

<p dir="auto">Run <code class="notranslate">flutter doctor -v</code> in terminal</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="[✓] Flutter (Channel beta, v0.5.1, on Mac OS X 10.13.6 17G65, locale en-CN)
    • Flutter version 0.5.1 at /Users/wolfg/Dev/lib/flutter
    • Framework revision c7ea3ca377 (8 weeks ago), 2018-05-29 21:07:33 +0200
    • Engine revision 1ed25ca7b7
    • Dart version 2.0.0-dev.58.0.flutter-f981f09760

[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
    • Android SDK at /usr/local/share/android-sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-27, build-tools 27.0.3
    • ANDROID_HOME = /usr/local/share/android-sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)
    • All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 9.4.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 9.4.1, Build version 9F2000
    • ios-deploy 1.9.2
    • CocoaPods version 1.5.3

[✓] Android Studio (version 3.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 26.0.1
    • Dart plugin version 173.4700
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)

[✓] IntelliJ IDEA Community Edition (version 2017.2.7)
    • IntelliJ at /Applications/IntelliJ IDEA CE.app
    • Flutter plugin version 21.2.2
    • Dart plugin version 172.4343.25

[!] VS Code (version 1.25.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension not installed; install from
      https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[✓] Connected devices (1 available)
    • iPhone X • 73056EF7-1637-4DE2-91C6-60449C983145 • ios • iOS 11.4 (simulator)

! Doctor found issues in 1 category."><pre class="notranslate"><code class="notranslate">[✓] Flutter (Channel beta, v0.5.1, on Mac OS X 10.13.6 17G65, locale en-CN)
    • Flutter version 0.5.1 at /Users/wolfg/Dev/lib/flutter
    • Framework revision c7ea3ca377 (8 weeks ago), 2018-05-29 21:07:33 +0200
    • Engine revision 1ed25ca7b7
    • Dart version 2.0.0-dev.58.0.flutter-f981f09760

[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
    • Android SDK at /usr/local/share/android-sdk
    • Android NDK location not configured (optional; useful for native profiling support)
    • Platform android-27, build-tools 27.0.3
    • ANDROID_HOME = /usr/local/share/android-sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)
    • All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 9.4.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 9.4.1, Build version 9F2000
    • ios-deploy 1.9.2
    • CocoaPods version 1.5.3

[✓] Android Studio (version 3.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin version 26.0.1
    • Dart plugin version 173.4700
    • Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)

[✓] IntelliJ IDEA Community Edition (version 2017.2.7)
    • IntelliJ at /Applications/IntelliJ IDEA CE.app
    • Flutter plugin version 21.2.2
    • Dart plugin version 172.4343.25

[!] VS Code (version 1.25.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension not installed; install from
      https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[✓] Connected devices (1 available)
    • iPhone X • 73056EF7-1637-4DE2-91C6-60449C983145 • ios • iOS 11.4 (simulator)

! Doctor found issues in 1 category.
</code></pre></div>
<p dir="auto">I'd like to use camera and save photo to external storage in my own folder.</p>
<p dir="auto">How can I get Write/Read External Permissions?</p>