Gadgetbridge/app/src/main/res/layout/activity_supercars_control.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        tools:ignore="MissingConstraints">

        <TextView
            android:id="@+id/battery_percentage_label"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:layout_weight="1"
            android:foregroundGravity="center_horizontal"
            android:gravity="center_horizontal"
            android:text=""
            android:textSize="48sp" />

        <nodomain.freeyourgadget.gadgetbridge.devices.supercars.JoystickView
            android:id="@+id/joystickLeft"
            android:layout_width="wrap_content"
            android:layout_height="300dp"
            android:layout_weight="1" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <CheckBox
                android:id="@+id/turboMode"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:height="48dp"
                android:text="@string/supercars_turbo_speed_label"
                tools:ignore="TouchTargetSizeCheck" />

            <CheckBox
                android:id="@+id/lightsOn"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:height="48dp"
                android:text="@string/supercars_lights_label"
                tools:ignore="TouchTargetSizeCheck" />

            <CheckBox
                android:id="@+id/lightsBlinking"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:height="48dp"
                android:text="@string/supercars_lights_blinking_label"
                tools:ignore="TouchTargetSizeCheck" />

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <ImageButton
                android:id="@+id/trick1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="1dp"
                android:layout_marginStart="1dp"
                android:layout_marginLeft="1dp"
                android:layout_marginTop="1dp"
                android:layout_marginEnd="1dp"
                android:layout_marginRight="1dp"
                android:layout_marginBottom="1dp"
                android:layout_weight="1"
                android:background="@color/accent"
                android:minHeight="64dp"
                app:srcCompat="@drawable/ic_arrow_circle_left" />

            <ImageButton
                android:id="@+id/trick2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="1dp"
                android:layout_marginStart="1dp"
                android:layout_marginLeft="1dp"
                android:layout_marginTop="1dp"
                android:layout_marginEnd="1dp"
                android:layout_marginRight="1dp"
                android:layout_marginBottom="1dp"
                android:layout_weight="1"
                android:background="@color/accent"
                android:minHeight="64dp"
                app:srcCompat="@drawable/ic_arrow_circle_right" />

        </LinearLayout>
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <ImageButton
                android:id="@+id/trick3"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="1dp"
                android:layout_marginStart="1dp"
                android:layout_marginLeft="1dp"
                android:layout_marginTop="1dp"
                android:layout_marginEnd="1dp"
                android:layout_marginRight="1dp"
                android:layout_marginBottom="1dp"
                android:layout_weight="1"
                android:background="@color/accent"
                android:minHeight="64dp"
                app:srcCompat="@drawable/ic_u_turn_left" />

            <ImageButton
                android:id="@+id/trick4"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="1dp"
                android:layout_marginStart="1dp"
                android:layout_marginLeft="1dp"
                android:layout_marginTop="1dp"
                android:layout_marginEnd="1dp"
                android:layout_marginRight="1dp"
                android:layout_marginBottom="1dp"
                android:layout_weight="1"
                android:background="@color/accent"
                android:minHeight="64dp"
                app:srcCompat="@drawable/ic_u_turn_right" />

        </LinearLayout>
    </LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>