title: Android Unable to delete ImageView using implemented delete button
body: <p><strong>* EDITED *</strong> </p>
  
  <pre><code>public void btnTakePhotoClicked(View v) {
      Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
      startActivityForResult(cameraIntent, CAMERA_REQUEST);
  }
  
  public void btnDeletePhotoClicked(View v) {
      iv = (ImageView) findViewById(R.id.imgSpecimenPhoto);
      iv.setImageDrawable(null);
      Toast.makeText(AddIncome.this, "Photo deleted", Toast.LENGTH_SHORT).show();
  
  }
  
  protected void onActivityResult (int requestCode, int resultCode, Intent data) {
      super.onActivityResult(requestCode, resultCode, data);
  
      if (resultCode == RESULT_OK) {
          if (requestCode == CAMERA_REQUEST) {
              cameraImage = (Bitmap) data.getExtras().get("data");
              imgSpecimenPhoto.setImageBitmap(cameraImage);
          }
      }
  
  }
  </code></pre>
  
  <p>Everything works fine except for:</p>
  
  <pre><code>public void btnDeletePhotoClicked(View v) {
      iv = (ImageView) findViewById(R.id.imgSpecimenPhoto);
      iv.setImageDrawable(null);
      Toast.makeText(AddIncome.this, "Photo deleted", Toast.LENGTH_SHORT).show();
  
  }
  </code></pre>
  
  <p>I'm not able to delete photo after pressing the button
  Only the Toast "Photo Deleted" is working.</p>
  
  <p><a href="http://i.stack.imgur.com/BhOaU.jpg" rel="nofollow">http://i.stack.imgur.com/BhOaU.jpg</a></p>