AnimatorSet 动画集合以及它的监听事件

 iv=findViewById(R.id.iv);        iv.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                model2();            }        });    }    private void model2() {        AnimatorSet animatorset=new AnimatorSet();        //平移        ObjectAnimator transy = ObjectAnimator.ofFloat(iv, View.TRANSLATION_Y, 0, 150);        //旋转        ObjectAnimator rotateq = ObjectAnimator.ofFloat(iv, View.ROTATION, 0, 360);        //缩放        ObjectAnimator aFloatx = ObjectAnimator.ofFloat(iv, View.SCALE_X, 0.3f, 1.0f);        //透明度        ObjectAnimator aFloatq = ObjectAnimator.ofFloat(iv, View.ALPHA, 0.3f, 1.0f);        //playTogether这个属性是一起执行        // animatorset.playTogether(transy,rotateq);        //playSequentially是按照顺序执行一个一个执行        //animatorset.playSequentially(transy,rotateq);        //play只能执行一个 after先执行,with平移和缩放一起执行,before最后执行        //animatorset.play(transy).with(rotateq).before(aFloatq).after(aFloatx);        //设置每个动画开始的时间        transy.setStartDelay(1000l);        rotateq.setStartDelay(1000l);        animatorset.play(transy).with(rotateq).before(aFloatq).after(aFloatx);;        animatorset.setDuration(3000);        animatorset.start();        animatorset.addListener(new Animator.AnimatorListener() {            @Override            public void onAnimationStart(Animator animator) {            }            @Override            public void onAnimationEnd(Animator animator) {                Toast.makeText(MainActivity.this, "Hello Toast,Toast(吐司)来了", Toast.LENGTH_LONG).show();            }            @Override            public void onAnimationCancel(Animator animator) {            }            @Override            public void onAnimationRepeat(Animator animator) {            }        });    }}