title: Android Image view-Camera
body: <p>I have been trying to implement this code , where i capture a image from the camera and display it in my image viewer and then can set it as a wallpaper. It is working fine in my emulator but on my phone, when i take the image and click ok-it force closes. any help ?</p>
  
  <pre><code>ImageButton ib;
  Button b;
  ImageView iv;
  Intent i;
  final static int cameraData = 0;
  Bitmap bmp;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.photo);
      initialize();
      InputStream is = getResources().openRawResource(R.drawable.icon);
      bmp = BitmapFactory.decodeStream(is);
  }
  
  private void initialize() {
      iv = (ImageView) findViewById(R.id.ivReturnedPic);
      ib = (ImageButton) findViewById(R.id.ibTakePic);
      b = (Button) findViewById(R.id.bSetWall);
      b.setOnClickListener(this);
      ib.setOnClickListener(this);
  }
  
  public void onClick(View v) {
      switch (v.getId()) {
      case R.id.bSetWall:
          try {
              getApplicationContext().setWallpaper(bmp);
          } catch (IOException e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
          }
          break;
      case R.id.ibTakePic:
          i = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
          startActivityForResult(i, cameraData);
          break;
      }
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
      super.onActivityResult(requestCode, resultCode, data);
      if (resultCode == RESULT_OK) {
          Bundle extras = data.getExtras();
          bmp = (Bitmap) extras.get("data");
          iv.setImageBitmap(bmp);
      }
  }
  </code></pre>
  
  <p>It is driving me crazy!</p>
  
  <p>Here is the error in the logcat i think,</p>
  
  <pre><code>09-04 09:07:49.034: VERBOSE/com.miui.camera.CameraHolder(7499): camera released
  09-04 09:07:49.064: WARN/System.err(7463): java.lang.NullPointerException
  09-04 09:07:49.064: WARN/System.err(7463):     at com.aradhya.helloandroid.Camera.onActivityResult(Camera.java:72)
  09-04 09:07:49.064: WARN/System.err(7463):     at android.app.Activity.dispatchActivityResult(Activity.java:3932)
  09-04 09:07:49.064: WARN/System.err(7463):     at android.app.ActivityThread.deliverResults(ActivityThread.java:2536)
  09-04 09:07:49.064: WARN/System.err(7463):     at android.app.ActivityThread.handleSendResult(ActivityThread.java:2582)
  09-04 09:07:49.074: WARN/System.err(7463):     at android.app.ActivityThread.access$2000(ActivityThread.java:117)
  09-04 09:07:49.074: WARN/System.err(7463):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:961)
  09-04 09:07:49.074: WARN/System.err(7463):     at android.os.Handler.dispatchMessage(Handler.java:99)
  09-04 09:07:49.094: WARN/System.err(7463):     at android.os.Looper.loop(Looper.java:130)
  09-04 09:07:49.094: WARN/System.err(7463):     at android.app.ActivityThread.main(ActivityThread.java:3694)
  09-04 09:07:49.094: WARN/System.err(7463):     at java.lang.reflect.Method.invokeNative(Native Method)
  09-04 09:07:49.094: WARN/System.err(7463):     at java.lang.reflect.Method.invoke(Method.java:507)
  09-04 09:07:49.094: WARN/System.err(7463):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
  09-04 09:07:49.104: WARN/System.err(7463):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
  09-04 09:07:49.104: WARN/System.err(7463):     at dalvik.system.NativeStart.main(Native Method)
  09-04 09:07:49.204: VERBOSE/com.miui.camera.Camera(7499): stopPreview
  09-04 09:07:49.214: ERROR/com.miui.camera.ui.FocusRectangle(7499): clear
  09-04 09:07:49.373: VERBOSE/com.miui.camera.Camera(7499): onStop
  09-04 09:07:49.383: VERBOSE/com.miui.camera.Camera(7499): onDestroy
  </code></pre>