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

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/image"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:srcCompat="@drawable/swap_start_header"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintLeft_toLeftOf="parent" />

    <TextView
        android:id="@+id/text1"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="Download apps from people near you."
        android:textSize="20sp"
        android:textAlignment="center"
        app:layout_constraintTop_toBottomOf="@+id/image"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        android:layout_marginTop="32dp"
        android:layout_marginEnd="48dp"
        android:layout_marginRight="48dp"
        android:layout_marginStart="48dp"
        android:layout_marginLeft="48dp" />

    <!-- TODO: Use @string/app_name instead of "F-Droid". -->
    <!-- TODO: The swap process helps to get F-Droid to the other user. That should probably be made a bit clearer here. -->
    <TextView
        android:id="@+id/text2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Participants must have F-Droid installed."
        android:textSize="14sp"
        android:textAlignment="center"
        app:layout_constraintTop_toBottomOf="@+id/text1"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        android:layout_marginTop="16dp"
        android:layout_marginEnd="48dp"
        android:layout_marginRight="48dp"
        android:layout_marginStart="48dp"
        android:layout_marginLeft="48dp" />

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Find people near me"
        style="@style/DetailsSecondaryButtonStyle"
        app:layout_constraintTop_toBottomOf="@+id/text2"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        android:layout_marginTop="16dp" />

</android.support.constraint.ConstraintLayout>