<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/decelerate_interpolator">
<scale android:fromXScale="0.1" android:toXScale="1.0"
android:fromYScale="0.1" android:toYScale="1.0"
android:pivotX="50%p" android:pivotY="50%p"
android:duration="300" />
<!-- 這里為了看到動畫演示效果，把動畫持續時間設為3秒 -->
<alpha
android:fromAlpha="0.1"
android:toAlpha="1.0"
android:duration="300" />
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/decelerate_interpolator"
android:zAdjustment="top">
<scale android:fromXScale="1.0" android:toXScale=".5"
android:fromYScale="1.0" android:toYScale=".5"
android:pivotX="50%p" android:pivotY="50%p"
android:duration="300" />
<!-- 系統內置的動畫持續時間
android:duration="@android:integer/config_mediumAnimTime"
-->
<alpha android:fromAlpha="1.0" android:toAlpha="0"
android:duration="300"/>
</set>

public class MainActivity extends Activity implements OnClickListener {
private Button btn1;
private Button btn2;
private Button btn3;
private Button btn4;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_1);
btn1 = (Button) findViewById(R.id.btn1);
btn2 = (Button) findViewById(R.id.btn2);
btn3 = (Button) findViewById(R.id.btn3);
btn4 = (Button) findViewById(R.id.btn4);
btn1.setOnClickListener(this);
btn2.setOnClickListener(this);
btn3.setOnClickListener(this);
btn4.setOnClickListener(this);
}

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
int version = Integer.valueOf(android.os.Build.VERSION.SDK);
switch(v.getId()) {
case R.id.btn1:
//放大縮小跳轉
startActivity(new Intent(this, OtherActivity.class));
if(version > 5 ){
overridePendingTransition(R.anim.zoomin, R.anim.zoomout);
}
break;
case R.id.btn2:
//淡入淡出跳轉
startActivity(new Intent(this, OtherActivity.class));
if(version > 5 ){
overridePendingTransition(R.anim.alphain, R.anim.alphaout);
}
break;
case R.id.btn3:
//左向右跳轉
startActivity(new Intent(this, OtherActivity.class));
if(version > 5 ){
overridePendingTransition(R.anim.move_in_right, R.anim.move_out_right);
}
break;
case R.id.btn4:
//右向左跳轉
startActivity(new Intent(this, OtherActivity.class));
if(version > 5 ){
overridePendingTransition(R.anim.move_in_left, R.anim.move_out_left);
}
break;
}
finish();
}
}