跳转Activity时，加入动画效果(2)

overridePendingTransition(R.anim.activity_open, R.anim.activity_stay);

activity_open

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android">    <translate        android:fromYDelta="100%p"        android:toYDelta="0.0"        android:duration="300"        /></set> 
activity_stay

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android">    <alpha        android:fromAlpha="1"        android:toAlpha="1"        android:duration="300"        /></set>