Java 类android.transition.ChangeClipBounds 实例源码

@NonNull
@Override
protected Transition createTransition(@NonNull ViewGroup container, @NonNull View entering, @Nullable View leaving, boolean push) {
  if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
    return new TransitionSet()
        .setOrdering(ORDERING_TOGETHER)
        .addTransition(new Fade(Fade.OUT))
        .addTransition(new Fade(Fade.IN));
  }
  final TransitionSet transition = new TransitionSet()
      .addTransition(new ChangeBounds())
      .addTransition(new ChangeClipBounds())
      .addTransition(new ChangeTransform());

  transition.setPathMotion(new ArcMotion());

  return transition;
}

@Override
@NonNull
protected Transition getTransition(@NonNull ViewGroup container, View from, View to, boolean isPush) {
    TransitionSet transition = new TransitionSet()
            .setOrdering(TransitionSet.ORDERING_SEQUENTIAL)
            .addTransition(new Fade(Fade.OUT))
            .addTransition(new TransitionSet().addTransition(new ChangeBounds()).addTransition(new ChangeClipBounds()).addTransition(new ChangeTransform()))
            .addTransition(new Fade(Fade.IN));

    transition.setPathMotion(new ArcMotion());

    return transition;
}

private void setTransition() {
  if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
    return;
  }

  final TransitionSet transition = new TransitionSet();

  ChangeBounds transition1 = new ChangeBounds();
  transition.addTransition(transition1);
  ChangeTransform transition2 = new ChangeTransform();
  transition.addTransition(transition2);
  ChangeClipBounds transition3 = new ChangeClipBounds();
  transition.addTransition(transition3);
  ChangeImageTransform transition4 = new ChangeImageTransform();
  transition.addTransition(transition4);

  transition.setDuration(SHARED_ELEMENT_TRANSITION_DURATION);

  FastOutSlowInInterpolator interpolator = new FastOutSlowInInterpolator();
  transition1.setInterpolator(interpolator);
  transition2.setInterpolator(interpolator);
  transition3.setInterpolator(interpolator);
  transition4.setInterpolator(interpolator);

  final GravityArcMotion pathMotion = new GravityArcMotion();
  transition.setPathMotion(pathMotion);

  getWindow().setSharedElementEnterTransition(transition);
  getWindow().setSharedElementReturnTransition(transition);
  getWindow().setSharedElementsUseOverlay(false);

  Slide slide = new Slide(Gravity.TOP);
  slide.setInterpolator(new LinearOutSlowInInterpolator());
  slide.addTarget(appBar);
  slide.setDuration(225);
  slide.setStartDelay(100);
  getWindow().setEnterTransition(slide);
  Slide slideOut = (Slide) slide.clone();
  slideOut.setInterpolator(new FastOutLinearInInterpolator());
  slideOut.setStartDelay(0);
  getWindow().setReturnTransition(slideOut);
}