BobStore/app/src/main/res/layout/app_details2_donate.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_margin="@dimen/details_activity_padding"
    android:clickable="true"
    android:orientation="vertical"
    android:background="?attr/detailPanel"
    android:padding="@dimen/details_activity_padding">

    <TextView
        android:id="@+id/donate_header"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="15sp"
        android:textAlignment="center"
        android:gravity="center"
        tools:text="F-Droid is created by F-Droid Limited and Contributors. Buy them a coffee!"
        android:layout_marginBottom="12dp" />

    <android.support.v7.widget.GridLayout
        android:id="@+id/donation_options"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:columnCount="3" />

</LinearLayout>