安卓控件隐藏和显示动画

import android.os.Handler;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;

public class AnimationUtil {

	/**
	 * 从控件所在位置移动到控件的底部
	 * 
	 * @return
	 */
	public static TranslateAnimation moveToViewBottom() {
		TranslateAnimation mHiddenAction = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,
				Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 1.0f);
		mHiddenAction.setDuration(1000);
		return mHiddenAction;
	}

	/**
	 * 从控件的底部移动到控件所在位置
	 * 
	 * @return
	 */
	public static TranslateAnimation moveToViewLocation() {
		TranslateAnimation mHiddenAction = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,
				Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 1.0f, Animation.RELATIVE_TO_SELF, 0.0f);
		mHiddenAction.setDuration(1000);
		return mHiddenAction;
	}

	public static void showView(View view){
		view.setVisibility(View.VISIBLE);
		view.setAnimation(AnimationUtil.moveToViewLocation());
	}

	public static void hideView(final View view){
		view.setAnimation(AnimationUtil.moveToViewBottom());
		new Handler().postDelayed(new Runnable() {

			@Override
			public void run() {
				view.setVisibility(View.GONE);
			}
		}, 1000);
	}
}