AnimationController.java 文件源码

private void startAnimationExpand(int position, float startZ, float startY, float scaleX, float scaleY) {
    transitionAnimHiddenView = new TransitionAnimation(hiddenViews.get(position));
    transitionAnimHiddenView.setInterpolator(new FastOutLinearInInterpolator());

    transitionAnimHiddenView.startAnimation(startZ,
            0,
            TransitionAnimation.AnimationType.TRANSLATION_Z);

    transitionAnimHiddenView.startAnimation(startY,
            0,
            TransitionAnimation.AnimationType.TRANSLATION_Y);

    transitionAnimHiddenView.startAnimation(scaleX,
            valueHandler.getMaxScale(),
            TransitionAnimation.AnimationType.SCALE_X);

    transitionAnimHiddenView.startAnimation(scaleY,
            valueHandler.getMaxScale(),
            TransitionAnimation.AnimationType.SCALE_Y);
}