FeedContextMenuManager.java 文件源码

private void performShowAnimation() {
    contextMenuView.setPivotX(contextMenuView.getWidth() / 2);
    contextMenuView.setPivotY(contextMenuView.getHeight());
    contextMenuView.setScaleX(0.1f);
    contextMenuView.setScaleY(0.1f);
    contextMenuView.animate()
            .scaleX(1f).scaleY(1f)
            .setDuration(150)
            .setInterpolator(new OvershootInterpolator())
            .setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    isContextMenuShowing = false;
                }
            });
}