QSPackKit/sdk/jm_yiwan/res/anim/super_anim_real_progress.xml

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

    <scale
        android:duration="700"
        android:fromXScale="0.7"
        android:fromYScale="1.0"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:pivotX="0%"
        android:pivotY="0%"
        android:toXScale="1.0"
        android:toYScale="1.0" />

</set>