<set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="false">
<alpha android:interpolator="0x10a0006" android:duration="@integer/abc_config_activityShortDur" android:fromAlpha="0.0" android:toAlpha="1.0" />
</set>
Add to lootbox
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="false">
<alpha android:interpolator="0x10a0006" android:duration="@integer/abc_config_activityShortDur" android:fromAlpha="0.0" android:toAlpha="1.0" />
</set>