QSPackKit/sdk/jm_xiaoqi/res/anim/x7_alpha_in.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:shareInterpolator="false" >

    <alpha
        android:duration="3000"
        android:fromAlpha="1.0"
        android:toAlpha="0" />

</set>