如何动画在android系统的布局？ [英] How to animate a layout in android?

问题描述

在我的活动画面，对屏幕一半包含layout.When活动加载它可见，10秒钟后它会得到慢慢放下最后这将是不可见的user.But它下来slowly.How我可以做it.Please任何一个可以帮助我。

In my Activity screen,half of the screen contain a layout.When Activity loaded it visible and after 10 seconds it will be get down slowly finally it will be not visible to user.But it get down slowly.How i can do it.Please can any one help me.

感谢在前进。

推荐答案

在你的水库\\阿尼姆文件夹（创建文件夹，如果它不存在）创建 slide_out_down.xml 并粘贴以下

In your res\anim folder (create the folder if it's not there) create slide_out_down.xml and paste the following

<?xml version="1.0" encoding="utf-8"?>
<translate
xmlns:android="http://schemas.android.com/apk/res/android"

android:fromYDelta="0%p"
android:toYDelta="100%p"
android:duration="@android:integer/config_longAnimTime" />

要启动动画和隐藏视图使用这种

to start the animation and hide the view use this

 private void hideView(final View view){
    Animation animation = AnimationUtils.loadAnimation(this, R.anim.slide_out_down);
    //use this to make it longer:  animation.setDuration(1000);
    animation.setAnimationListener(new AnimationListener() {
        @Override
        public void onAnimationStart(Animation animation) {}

        @Override
        public void onAnimationRepeat(Animation animation) {}

        @Override
        public void onAnimationEnd(Animation animation) {
             view.setVisibility(View.GONE);
        }
    });

    view.startAnimation(animation);
}

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