tests/SilkFX/res/layout/gainmap_image.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2023 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->

<com.android.test.silkfx.hdr.GainmapImage xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:id="@+id/gainmap_image">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <RadioGroup android:id="@+id/output_mode"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal">

            <RadioButton android:id="@+id/output_sdr"
                         android:layout_width="wrap_content"
                         android:layout_weight="1"
                         android:layout_height="wrap_content"
                         android:text="SDR" />

            <RadioButton android:id="@+id/output_gainmap"
                         android:layout_width="wrap_content"
                         android:layout_weight="1"
                         android:layout_height="wrap_content"
                         android:text="Gainmap" />

            <RadioButton android:id="@+id/output_hdr"
                         android:layout_width="wrap_content"
                         android:layout_weight="1"
                         android:layout_height="wrap_content"
                         android:text="HDR" />

            <RadioButton android:id="@+id/output_hdr_test"
                         android:layout_width="wrap_content"
                         android:layout_weight="1"
                         android:layout_height="wrap_content"
                         android:text="HDR (test)" />
        </RadioGroup>

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

            <Spinner
                android:id="@+id/image_selection"
                android:layout_width="match_parent"
                android:layout_weight="1"
                android:layout_height="wrap_content" />

            <Button
                android:id="@+id/gainmap_metadata"
                android:layout_width="match_parent"
                android:layout_weight="1"
                android:layout_height="wrap_content"
                android:text="Gainmap Metadata..." />

        </LinearLayout>

        <TextView
            android:id="@+id/error_msg"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:visibility="gone" />

        <com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
            android:id="@+id/image"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />

    </LinearLayout>

</com.android.test.silkfx.hdr.GainmapImage>