Android 点击赞时弹出+1向上弹出动画

public class applaudAnimation extends Activity implements OnClickListener {

private Button button;
private TextView textView;
private android.view.animation.Animation animation;

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.animation);

animation = AnimationUtils.loadAnimation(this,R.anim.applaud_animation);
button = (Button) findViewById(R.id.bt);
button.setOnClickListener(this);
textView = (TextView) findViewById(R.id.animation);
}

@Override
public void onClick(View v) {
if (v == button) {
textView.setVisibility(View.VISIBLE);
textView.startAnimation(animation);
new Handler().postDelayed(new Runnable() {
public void run() {
textView.setVisibility(View.GONE);
}
}, 1000);
}

}
}

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ffffff" >

<Button
android:id="@+id/bt"
android:layout_width="40dip"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:gravity="center"
android:text="赞"
android:textColor="#000000"
android:textSize="18dip" />

<TextView
android:id="@+id/animation"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:gravity="center"
android:text="+1"
android:textColor="#FF0000"
android:textSize="18dip"
android:visibility="gone" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:fromXDelta="0"
android:toXDelta="0"
android:fromYDelta="0"
android:toYDelta="-50"
android:duration="1000"/>

<alpha
android:fromAlpha="1.0"
android:toAlpha="0.3"
android:duration="1000"/>
</set>