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>