自定义属性动画

public class MainActivity extends AppCompatActivity {

private MyCircles circles;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    circles = findViewById(R.id.mycircle);
    circles.getScaleX();
    circles.getScaleY();
    AnimatorSet animatorSet = new AnimatorSet();
  //  ObjectAnimator translationX = ObjectAnimator.ofFloat(circles, "translationX", 0, 1000, 0);
    ObjectAnimator translationY = ObjectAnimator.ofFloat(circles, "translationY", 0, 1000, 0,3000,3000,0);
    ObjectAnimator rotationX = ObjectAnimator.ofFloat(circles, "rotation", 0, 360);
    ObjectAnimator scaleX = ObjectAnimator.ofFloat(circles, "scaleX", 1, 6, 0, 6, 1);
    ObjectAnimator rotation = ObjectAnimator.ofFloat(circles, "rotation", 360, 0, 360, 180, 0, 180);
    rotationX.setRepeatCount(1);
   /* translationX.setDuration(6000);
    translationX.start();*/
    /*translationY.setDuration(6000);
    translationY.start();*/
    animatorSet.play(translationY).with(rotation);
    animatorSet.setDuration(6000);
    animatorSet.start();