Portal-Camera/portal-capability-test/res/layout/controls_fixed.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Fixed mode: D-pad cross (placement) + vertical zoom stack on the right. -->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="horizontal">

    <!-- Zoom stack -->
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="28dp"
        android:gravity="center_horizontal"
        android:orientation="vertical">
        <Button
            android:id="@+id/fixed_zoom_in"
            android:layout_width="64dp"
            android:layout_height="48dp"
            android:layout_marginBottom="4dp"
            android:background="@drawable/pc_btn_secondary"
            android:focusable="true"
            android:fontFamily="@font/lucide"
            android:gravity="center"
            android:includeFontPadding="false"
            android:nextFocusDown="@+id/fixed_zoom_out"
            android:nextFocusRight="@+id/fixed_center"
            android:nextFocusUp="@+id/header_overflow"
            android:textAllCaps="false"
            android:textColor="@color/pc_text"
            android:textSize="20sp" />
        <TextView
            android:id="@+id/fixed_zoom_value"
            android:layout_width="64dp"
            android:layout_height="48dp"
            android:layout_marginBottom="4dp"
            android:focusable="false"
            android:gravity="center"
            android:text="1.0×"
            android:textColor="@color/pc_text"
            android:textSize="15sp"
            android:textStyle="bold" />
        <Button
            android:id="@+id/fixed_zoom_out"
            android:layout_width="64dp"
            android:layout_height="48dp"
            android:background="@drawable/pc_btn_secondary"
            android:focusable="true"
            android:fontFamily="@font/lucide"
            android:gravity="center"
            android:includeFontPadding="false"
            android:nextFocusUp="@+id/fixed_zoom_in"
            android:nextFocusRight="@+id/fixed_center"
            android:textAllCaps="false"
            android:textColor="@color/pc_text"
            android:textSize="20sp" />
    </LinearLayout>

    <!-- Direction cross -->
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:orientation="vertical">

        <Button
            android:id="@+id/fixed_up"
            android:layout_width="56dp"
            android:layout_height="48dp"
            android:layout_marginBottom="4dp"
            android:background="@drawable/pc_btn_secondary"
            android:focusable="true"
            android:nextFocusUp="@+id/header_overflow"
            android:text="▲"
            android:textAllCaps="false"
            android:textColor="@color/pc_text"
            android:textSize="16sp" />

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="4dp"
            android:gravity="center_vertical"
            android:orientation="horizontal">
            <Button
                android:id="@+id/fixed_left"
                android:layout_width="56dp"
                android:layout_height="48dp"
                android:background="@drawable/pc_btn_secondary"
                android:focusable="true"
                android:nextFocusLeft="@+id/fixed_zoom_in"
                android:text="◀"
                android:textAllCaps="false"
                android:textColor="@color/pc_text"
                android:textSize="16sp" />
            <Button
                android:id="@+id/fixed_center"
                android:layout_width="56dp"
                android:layout_height="48dp"
                android:layout_marginStart="4dp"
                android:layout_marginEnd="4dp"
                android:background="@drawable/pc_btn_secondary"
                android:focusable="true"
                android:text="●"
                android:textAllCaps="false"
                android:textColor="@color/pc_text"
                android:textSize="14sp" />
            <Button
                android:id="@+id/fixed_right"
                android:layout_width="56dp"
                android:layout_height="48dp"
                android:background="@drawable/pc_btn_secondary"
                android:focusable="true"
                android:text="▶"
                android:textAllCaps="false"
                android:textColor="@color/pc_text"
                android:textSize="16sp" />
        </LinearLayout>

        <Button
            android:id="@+id/fixed_down"
            android:layout_width="56dp"
            android:layout_height="48dp"
            android:background="@drawable/pc_btn_secondary"
            android:focusable="true"
            android:text="▼"
            android:textAllCaps="false"
            android:textColor="@color/pc_text"
            android:textSize="16sp" />
    </LinearLayout>
</LinearLayout>