@Override
  public void onStart() {
    super.onStart();

    // restore bitmaps
    mOriginalBitmap = createRainbowBitmap();
    if (mSpinner != null) {
      initDisplayedBitmap((CreateOptions) mSpinner.getSelectedItem());
    }
  }
Reference to the currently displayed bitmap
samples/showcase/src/main/java/com/facebook/fresco/samples/showcase/imagepipeline/ImagePipelineBitmapFactoryFragment.java