Android每日一练之ObjectAnimator

public class MainActivity extends AppCompatActivity {

TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

initViews();
}

private void initViews() {
final Button btn = (Button) findViewById(R.id.btn1);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ObjectAnimator ob = ObjectAnimator.ofFloat(btn, "translationX", -150, 100);
ObjectAnimator oc = ObjectAnimator.ofFloat(btn, "scaleX", 0, 1);
ObjectAnimator od = ObjectAnimator.ofFloat(btn, "scaleY", 0, 1);
AnimatorSet animatorSet = new AnimatorSet();
animatorSet.play(ob).with(oc).with(od);
animatorSet.setDuration(1000);
animatorSet.start();
}
});
}
}