title: Android: Display Image from SD CARD
body: <p>This is driving me insane!  Here's my code (I know this file exists):</p>
  
  <pre><code>File imageFile = new File("/sdcard/gallery_photo_4.jpg");
  ImageView jpgView = (ImageView)findViewById(R.id.imageView);
  BitmapDrawable d = new BitmapDrawable(getResources(), imageFile.getAbsolutePath());
  jpgView.setImageDrawable(d);
  </code></pre>
  
  <p>The error occurs on that last line (line 28, referenced below).</p>
  
  <p>Error output:</p>
  
  <pre><code>W/dalvikvm(  865): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
  E/AndroidRuntime(  865): FATAL EXCEPTION: main
  E/AndroidRuntime(  865): java.lang.RuntimeException: Unable to start activity ComponentInfo{org.example.camera/org.example.camera.Imgview}: java.lang.NullPointerException
  E/AndroidRuntime(  865):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
  E/AndroidRuntime(  865):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
  E/AndroidRuntime(  865):    at android.app.ActivityThread.access$2300(ActivityThread.java:125)
  E/AndroidRuntime(  865):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
  E/AndroidRuntime(  865):    at android.os.Handler.dispatchMessage(Handler.java:99)
  E/AndroidRuntime(  865):    at android.os.Looper.loop(Looper.java:123)
  E/AndroidRuntime(  865):    at android.app.ActivityThread.main(ActivityThread.java:4627)
  E/AndroidRuntime(  865):    at java.lang.reflect.Method.invokeNative(Native Method)
  E/AndroidRuntime(  865):    at java.lang.reflect.Method.invoke(Method.java:521)
  E/AndroidRuntime(  865):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
  E/AndroidRuntime(  865):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
  E/AndroidRuntime(  865):    at dalvik.system.NativeStart.main(Native Method)
  E/AndroidRuntime(  865): Caused by: java.lang.NullPointerException
  E/AndroidRuntime(  865):    at org.example.camera.Imgview.onCreate(Imgview.java:28)
  E/AndroidRuntime(  865):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
  E/AndroidRuntime(  865):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
  E/AndroidRuntime(  865):    ... 11 more
  W/ActivityManager(   59):   Force finishing activity org.example.camera/.Imgview
  </code></pre>
  
  <p>My layout looks like (probably not necessary):</p>
  
  <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical" android:layout_width="fill_parent"
  android:layout_height="fill_parent"&gt;
  &lt;ImageView android:id="@+id/imageView" android:layout_width="fill_parent"
  android:layout_height="fill_parent" android:scaleType="center"&gt;
  &lt;/ImageView&gt;
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>Thank you very much for any help.</p>