关于Android动画的监听,开始,结束的控制分别有 Animation 动画和 ObjectAnimator 动画


1》首先是Animation 动画监听,开始,结束的控制

private ImageView yun_left;
private Animation myAnimation_Translate_left,
      myAnimation_Translate_right;
2》
myAnimation_Translate_left = AnimationUtils.loadAnimation(this,
      R.anim.my_translate_action_left);
myAnimation_Translate_right = AnimationUtils.loadAnimation(this,
      R.anim.my_translate_action_right);

3》
myAnimation_Translate_left
      .setAnimationListener(new AnimationListener() {
         @Override
         public void onAnimationStart(Animation arg0) {
         }
         @Override
         public void onAnimationRepeat(Animation arg0) {
         }
         @Override
         public void onAnimationEnd(Animation arg0) {
            randomDuration();
            myAnimation_Translate_left.setDuration(number);
            yun_left.startAnimation(myAnimation_Translate_right);
         }
      });

myAnimation_Translate_right
      .setAnimationListener(new AnimationListener() {
         @Override
         public void onAnimationStart(Animation arg0) {
         }
         @Override
         public void onAnimationRepeat(Animation arg0) {
         }
         @Override
         public void onAnimationEnd(Animation arg0) {
            randomDuration();
            myAnimation_Translate_left.setDuration(number);
            yun_left.startAnimation(myAnimation_Translate_left);
         }
      });
yun_left.startAnimation(myAnimation_Translate_left);

4》定义xml布局
向右移动
my_translate_action_right 
xml version="1.0" encoding="utf-8"?>
xmlns:android="http://schemas.android.com/apk/res/android">
android:fromXDelta="0"
android:toXDelta="100%"
android:fillAfter="false"/>



 
  
5》向左移动 
my_translate_action_left
xml version="1.0" encoding="utf-8"?>
xmlns:android="http://schemas.android.com/apk/res/android">
android:fromXDelta="100%"
android:toXDelta="0"
android:fillAfter="false"/>



2.接下来是ObjectAnimator动画实现贝塞尔曲线样式
1》创建对象
ObjectAnimator  animatorX,animatorY;

animatorX = ObjectAnimator.ofFloat(same_level, "X",0,600).setDuration(1000);
animatorY = ObjectAnimator.ofFloat(same_level, "Y",800,200).setDuration(1000);
//设置监听
animatorY.addListener(new Animator.AnimatorListener() {
    @Override
    public void onAnimationStart(Animator animation) {

    }

    @Override
    public void onAnimationEnd(Animator animation) {
        MyToast.showToast(SameCaseActy.this,im.getScaleX()+"");
    }

    @Override
    public void onAnimationCancel(Animator animation) {

    }

    @Override
    public void onAnimationRepeat(Animator animation) {

    }
});

//开始动画
same_level.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {

        animatorY.setInterpolator(new LinearInterpolator());
        animatorX.setInterpolator(new PathInterpolator(0.4f,0,0.2f,1));

        animatorX.start();
        animatorY.start();
    }
});

 
  

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