app/src/main/res/layout/activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
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"
tools:context=".activities.MainActivity"
android:background="@color/white">
<include layout="@layout/activity_base" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipToPadding="false"
android:gravity="center"
android:orientation="vertical"
android:paddingStart="16dp"
android:paddingTop="16dp"
android:paddingEnd="16dp"
android:paddingBottom="100dp">
<Button
android:id="@+id/main_button_profile"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/main_profileButtonText"
tools:ignore="MissingConstraints" />
<Button
android:id="@+id/main_button_map"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="240dp"
android:text="@string/main_openMapButtonText"
app:layout_constraintTop_toBottomOf="@+id/main_button_profile" />
<Button
android:id="@+id/main_button_play"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/main_openGameChooserText" />
</LinearLayout>
</FrameLayout>