Android属性动画之ObjectAnimator

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/imageView"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:src="@drawable/ic_launcher"
        android:onClick="imgClick"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="动画"
        android:id="@+id/button"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="86dp"
        android:onClick="buttonClick"/>
</RelativeLayout>

public class MainActivity extends Activity {
    public ImageView imageView;
    public Button button;
    static int x = 0, xx = 0, y = 0, yy = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        imageView = (ImageView)findViewById(R.id.imageView);
        button = (Button)findViewById(R.id.button);
    }

    public void imgClick(View view){
        Toast.makeText(this, "ImageView", Toast.LENGTH_SHORT).show();
    }
    public void buttonClick(View view){

//         xx += 20;
//         TranslateAnimation ta = new TranslateAnimation(x, xx, y, yy);//设置动画的偏移位移
//         x += 20;
//        ta.setDuration(1000);//设置动画的时长
//        ta.setFillAfter(true);//设置动画结束后停留在该位置
//        imageView.startAnimation(ta);

        //属性动画调用start()方法后是一个异步操作
//        ObjectAnimator.ofFloat(imageView, "translationX", 0F, 360F).setDuration(1000).start();//X轴平移旋转
//        ObjectAnimator.ofFloat(imageView, "translationY", 0F, 360F).setDuration(1000).start();//Y轴平移旋转
//        ObjectAnimator.ofFloat(imageView, "rotation", 0F, 360F).setDuration(1000).start();//360度旋转

        //同步动画设计
//        PropertyValuesHolder p1 = PropertyValuesHolder.ofFloat("translationX", 0, 360F);
//        PropertyValuesHolder p2 = PropertyValuesHolder.ofFloat("translationY", 0, 360F);
//        PropertyValuesHolder p3 = PropertyValuesHolder.ofFloat("rotation", 0, 360F);
//        ObjectAnimator.ofPropertyValuesHolder(imageView, p1, p2 ,p3).setDuration(1000).start();

        //通过AnimatiorSet来设计同步执行的多个属性动画
        ObjectAnimator animator1 = ObjectAnimator.ofFloat(imageView, "translationX", 0F, 360F);//X轴平移旋转
        ObjectAnimator animator2 = ObjectAnimator.ofFloat(imageView, "translationY", 0F, 360F);//Y轴平移旋转
        ObjectAnimator animator3 = ObjectAnimator.ofFloat(imageView, "rotation", 0F, 360F);//360度旋转
        AnimatorSet set = new AnimatorSet();
        //set.playSequentially(animator1, animator2, animator3);//分步执行
        //set.playTogether(animator1, animator2, animator3);//同步执行

        //属性动画的执行顺序控制
        // 先同步执行动画animator2和animator3,然后再执行animator1
        set.play(animator3).with(animator1);
        set.play(animator2).after(animator3);

        set.setDuration(1000);
        set.start();

    }
}