TreeYMenu.java 文件源码

@Override
public Animation createOptionDisappearAnimation(OptionButton optionButton, int index) {

    AnimationSet animationSet = new AnimationSet(true);
    TranslateAnimation translateAnimation= new TranslateAnimation(
            0
            ,getYMenuButton().getX() - optionButton.getX()
            ,0
            ,getYMenuButton().getY() - optionButton.getY()
    );
    translateAnimation.setDuration(getOptionSD_AnimationDuration());
    AlphaAnimation alphaAnimation = new AlphaAnimation(1,0);
    alphaAnimation.setDuration(getOptionSD_AnimationDuration());

    animationSet.addAnimation(translateAnimation);
    animationSet.addAnimation(alphaAnimation);
    //设置动画延时
    animationSet.setStartOffset(60*(getOptionPositionCount() - index));
    return animationSet;
}