librepods/android/app/src/main/res/layout/noise_control_widget.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    style="@style/Widget.LibrePods.AppWidget.Container"
    android:id="@+id/noise_control_widget"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:theme="@style/Theme.LibrePods.AppWidgetContainer"
    tools:ignore="ContentDescription,NestedWeights">

    <LinearLayout
        android:id="@android:id/background"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:baselineAligned="false"
        android:orientation="horizontal">

        <LinearLayout
            android:id="@+id/widget_off_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_marginVertical="12dp"
            android:layout_marginStart="12dp"
            android:layout_marginEnd="2dp"
            android:layout_weight="1"
            android:background="@drawable/widget_button_shape_start"
            android:clickable="true"
            android:gravity="center"
            android:orientation="vertical">

            <ImageView
                android:layout_width="52dp"
                android:layout_height="52dp"
                android:src="@drawable/noise_cancellation"
                android:tint="@color/white" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:shadowColor="@color/black"
                android:shadowRadius="12"
                android:text="@string/off"
                android:textColor="@color/white"
                android:textSize="12sp" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/widget_transparency_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_marginVertical="12dp"
            android:layout_marginEnd="2dp"
            android:layout_weight="1"
            android:background="@drawable/widget_button_shape_middle"
            android:clickable="true"
            android:gravity="center"
            android:orientation="vertical">

            <ImageView
                android:layout_width="52dp"
                android:layout_height="52dp"
                android:src="@drawable/transparency"
                android:tint="@color/white" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:shadowColor="@color/black"
                android:shadowRadius="12"
                android:text="@string/transparency"
                android:textColor="@color/white"
                android:textSize="12sp"
                tools:ignore="NestedWeights" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/widget_adaptive_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_marginVertical="12dp"
            android:layout_marginStart="2dp"
            android:layout_marginEnd="2dp"
            android:layout_weight="1"
            android:background="@drawable/widget_button_shape_middle"
            android:clickable="true"
            android:gravity="center"
            android:orientation="vertical">

            <ImageView
                android:layout_width="52dp"
                android:layout_height="52dp"
                android:src="@drawable/adaptive"
                android:textSize="12sp"
                android:tint="@color/white" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:shadowColor="@color/black"
                android:shadowRadius="12"
                android:text="@string/adaptive"
                android:textColor="@color/white"
                android:textSize="12sp"
                tools:ignore="NestedWeights" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/widget_anc_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_marginVertical="12dp"
            android:layout_marginStart="2dp"
            android:layout_marginEnd="12dp"
            android:layout_weight="1"
            android:background="@drawable/widget_button_shape_end"
            android:clickable="true"
            android:gravity="center"
            android:orientation="vertical">

            <ImageView
                android:layout_width="52dp"
                android:layout_height="52dp"
                android:src="@drawable/noise_cancellation"
                android:tint="@color/white" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="0dp"
                android:layout_weight="1"
                android:gravity="center"
                android:shadowColor="@color/black"
                android:shadowRadius="12"
                android:text="@string/noise_cancellation"
                android:textColor="@color/white"
                android:textSize="12sp"
                tools:ignore="NestedWeights" />
        </LinearLayout>
    </LinearLayout>
</RelativeLayout>