android动画工具类

import android.content.Context;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.CycleInterpolator;
import android.view.animation.ScaleAnimation;
import android.view.animation.TranslateAnimation;

/**
 * 动画工具类
 * Created by Administrator on 2015/10/20 0020.
 */
public class AnimUtils {


    /**
     * 抖动动画,左右抖动
     * @param context 上下文
     * @param v 要执行动画的view
     */
    public static void shake(Context context,View v){
        Animation shake = new TranslateAnimation(0, 10, 0, 0);//移动方向
        shake.setDuration(1000);//执行总时间
        shake.setInterpolator(new CycleInterpolator(7));//循环次数
        v.startAnimation(shake);
    }

    /**
     * 缩放动画,按下时缩放,抬起时恢复
     * @param v 要执行动画的view
     * @param event 触摸事件
     * @param listener 点击事件
     * @return  触摸结果
     */
    public static boolean setClickAnim(View v,MotionEvent event,OnClickListener listener){
        float start = 1.0f;
        float end = 0.95f;
        Animation scaleAnimation = new ScaleAnimation(start, end, start, end,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                0.5f);
        Animation endAnimation = new ScaleAnimation(end, start, end, start,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
                0.5f);
        scaleAnimation.setDuration(200);
        scaleAnimation.setFillAfter(true);
        endAnimation.setDuration(200);
        endAnimation.setFillAfter(true);
        switch (event.getAction()) {
            // 按下时调用
            case MotionEvent.ACTION_DOWN:
                v.startAnimation(scaleAnimation);
                v.invalidate();
                break;
            // 抬起时调用
            case MotionEvent.ACTION_UP:
                v.startAnimation(endAnimation);
                v.invalidate();
                if(listener!=null){
                    listener.onClick(v);
                }
                break;
            // 滑动出去不会调用action_up,调用action_cancel
            case MotionEvent.ACTION_CANCEL:
                v.startAnimation(endAnimation);
                v.invalidate();
                break;
        }
        // 不返回true,Action_up就响应不了
        return true;
    }

}

调用方法

1、抖动动画

AnimUtils.shake(context, view);

2、缩放动画(先implements OnClickListener,OnTouchListener再重写onTouch方法)

public boolean onTouch(View v, MotionEvent ev) {
  return AnimUtils.setClickAnim(v, ev, this); 
}
原文地址:https://www.cnblogs.com/kangweifeng/p/4894577.html