属性动画Animator

public class MainActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final Button sendButton=(Button)findViewById(R.id.send_Button);
   
        ObjectAnimator objectAnimator=(ObjectAnimator) AnimatorInflater.loadAnimator(MainActivity.this,R.animator.color_animator);
        objectAnimator.setEvaluator(new ArgbEvaluator());
        objectAnimator.setTarget(sendButton);
        objectAnimator.start();
    }
}

<?xml version="1.0" encoding="utf-8"?>

    <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
        android:propertyName="backgroundColor"
        android:duration="3000"
        android:valueFrom="#ff8080"
        android:valueTo="#8080ff"
        android:repeatCount="infinite"
        android:repeatMode="reverse"
        android:valueType="intType">
      

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