ImageFormatKeyframesFragment.java 文件源码

@RequiresApi(api = Build.VERSION_CODES.HONEYCOMB)
private void initAnimation(View view) {
  mSimpleDraweeView = (SimpleDraweeView) view.findViewById(R.id.drawee_view);
  mSimpleDraweeView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
  DraweeController controller = Fresco.newDraweeControllerBuilder()
      .setOldController(mSimpleDraweeView.getController())
      .setUri(URI_KEYFRAMES_ANIMATION)
      .setAutoPlayAnimations(true)
      .build();
  mSimpleDraweeView.setController(controller);

  final SwitchCompat switchBackground = (SwitchCompat) view.findViewById(R.id.switch_background);
  switchBackground.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
    @Override
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
      mSimpleDraweeView.getHierarchy().setBackgroundImage(isChecked
          ? new CheckerBoardDrawable(getResources())
          : null);
    }
  });
}