tachiyomi/app/src/main/res/layout/fragment_library.xml

<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <GridView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/gridView"
        android:padding="10dp"
        android:clipToPadding="false"
        android:verticalSpacing="8dp"
        android:horizontalSpacing="8dp"
        android:columnWidth="96dp"
        android:numColumns="auto_fit"
        android:stretchMode="columnWidth"
        android:fastScrollEnabled="true"
        android:choiceMode="multipleChoiceModal"
        tools:listitem="@layout/item_library" />

</FrameLayout>