VR-VIDEO/app/src/main/res/drawable/frame_anim.xml

<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="false">
    <item android:drawable="@drawable/loading_anim_0" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_1" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_2" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_3" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_4" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_5" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_6" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_7" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_8" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_9" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_10" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_11" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_12" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_13" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_14" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_15" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_16" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_17" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_18" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_19" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_20" android:duration="100"/>
    <item android:drawable="@drawable/loading_anim_21" android:duration="100"/>
</animation-list>