briar/briar-android/src/main/res/layout/activity_test_data.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"
	android:layout_width="match_parent"
	android:layout_height="match_parent">

	<ScrollView
		android:layout_width="match_parent"
		android:layout_height="0dp"
		android:padding="8dp">

		<android.support.constraint.ConstraintLayout
			xmlns:android="http://schemas.android.com/apk/res/android"
			xmlns:app="http://schemas.android.com/apk/res-auto"
			android:layout_width="match_parent"
			android:layout_height="match_parent">

			<TextView
				android:id="@+id/textViewContacts"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:text="Number of contacts"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toTopOf="parent"/>

			<SeekBar
				android:id="@+id/seekBarContacts"
				android:layout_width="0dp"
				android:layout_height="wrap_content"
				android:max="50"
				android:progress="20"
				app:layout_constraintEnd_toStartOf="@+id/textViewContactsSb"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/textViewContacts"/>

			<TextView
				android:id="@+id/textViewContactsSb"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:ems="2"
				android:text="20"
				app:layout_constraintBottom_toBottomOf="@+id/seekBarContacts"
				app:layout_constraintEnd_toEndOf="parent"/>


			<TextView
				android:id="@+id/textViewMessages"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:text="Number of messages per contact"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/seekBarContacts"/>

			<SeekBar
				android:id="@+id/seekBarMessages"
				android:layout_width="0dp"
				android:layout_height="wrap_content"
				android:max="50"
				android:paddingTop="5dp"
				android:progress="15"
				app:layout_constraintEnd_toStartOf="@+id/textViewMessagesSb"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/textViewMessages"/>

			<TextView
				android:id="@+id/textViewMessagesSb"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:ems="2"
				android:text="20"
				app:layout_constraintBottom_toBottomOf="@+id/seekBarMessages"
				app:layout_constraintEnd_toEndOf="parent"/>

			<TextView
				android:id="@+id/textViewBlogPosts"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:text="Number of blog posts"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/seekBarMessages"/>

			<SeekBar
				android:id="@+id/seekBarBlogPosts"
				android:layout_width="0dp"
				android:layout_height="wrap_content"
				android:max="50"
				android:paddingTop="5dp"
				android:progress="30"
				app:layout_constraintEnd_toStartOf="@+id/TextViewBlogPostsSb"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/textViewBlogPosts"/>

			<TextView
				android:id="@+id/TextViewBlogPostsSb"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:ems="2"
				android:text="20"
				app:layout_constraintBottom_toBottomOf="@+id/seekBarBlogPosts"
				app:layout_constraintEnd_toEndOf="parent"/>

			<TextView
				android:id="@+id/textViewForums"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:text="Number of forums"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/seekBarBlogPosts"/>

			<SeekBar
				android:id="@+id/seekBarForums"
				android:layout_width="0dp"
				android:layout_height="wrap_content"
				android:max="10"
				android:paddingTop="5dp"
				android:progress="3"
				app:layout_constraintEnd_toStartOf="@+id/TextViewForumsSb"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/textViewForums"/>

			<TextView
				android:id="@+id/TextViewForumsSb"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:ems="2"
				android:text="20"
				app:layout_constraintBottom_toBottomOf="@+id/seekBarForums"
				app:layout_constraintEnd_toEndOf="parent"/>

			<TextView
				android:id="@+id/textViewForumMessages"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:text="Number of forum messages"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/seekBarForums"/>

			<SeekBar
				android:id="@+id/seekBarForumMessages"
				android:layout_width="0dp"
				android:layout_height="wrap_content"
				android:max="50"
				android:paddingTop="5dp"
				android:progress="30"
				app:layout_constraintEnd_toStartOf="@+id/TextViewForumMessagesSb"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/textViewForumMessages"/>

			<TextView
				android:id="@+id/TextViewForumMessagesSb"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:ems="2"
				android:text="20"
				app:layout_constraintBottom_toBottomOf="@+id/seekBarForumMessages"
				app:layout_constraintEnd_toEndOf="parent"/>

			<Button
				android:id="@+id/buttonCreateTestData"
				android:layout_width="wrap_content"
				android:layout_height="wrap_content"
				android:layout_margin="10dp"
				android:text="Create test data"
				app:layout_constraintEnd_toEndOf="parent"
				app:layout_constraintStart_toStartOf="parent"
				app:layout_constraintTop_toBottomOf="@+id/seekBarForumMessages"/>
		</android.support.constraint.ConstraintLayout>
	</ScrollView>
</android.support.constraint.ConstraintLayout>