rk35xx-android14/packages/apps/Camera360/res/layout/capture_activity.xml

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/white">

    <Button
        android:id="@+id/return_main"
        android:layout_gravity="top|right"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="22sp"
        android:layout_margin="20dp"
        android:background="@drawable/button_techno_style"
        android:textColor="@color/white"
        android:text="切换回AVM"/>

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

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:orientation="horizontal">

            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <SurfaceView
                    android:id="@+id/preview0"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_margin="20dp"/>

                <LinearLayout
                    android:layout_margin="30dp"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="bottom"
                    android:orientation="vertical">

                    <Spinner
                        android:id="@+id/picturelist0"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:spinnerMode="dropdown"
                        android:layout_weight="1">

                    </Spinner>

                    <Button
                        android:id="@+id/capture0"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:textSize="25sp"
                        android:background="@drawable/button_techno_style"
                        android:textColor="@color/white"
                        android:text="拍照"/>
                </LinearLayout>

            </FrameLayout>

            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <SurfaceView
                    android:id="@+id/preview1"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_margin="20dp"
                    android:visibility="visible" />

                <LinearLayout
                    android:layout_margin="30dp"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="bottom"
                    android:orientation="vertical">

                    <Spinner
                        android:id="@+id/picturelist1"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:spinnerMode="dropdown"
                        android:layout_weight="1">

                    </Spinner>

                    <Button
                        android:id="@+id/capture1"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:textSize="25sp"
                        android:background="@drawable/button_techno_style"
                        android:textColor="@color/white"
                        android:text="拍照"/>

                </LinearLayout>
            </FrameLayout>
        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:orientation="horizontal">

            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <SurfaceView
                    android:id="@+id/preview2"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_margin="20dp" />

                <LinearLayout
                    android:layout_margin="30dp"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="bottom"
                    android:orientation="vertical">

                    <Spinner
                        android:id="@+id/picturelist2"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:spinnerMode="dropdown"
                        android:layout_weight="1">

                    </Spinner>

                    <Button
                        android:id="@+id/capture2"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:textSize="25sp"
                        android:background="@drawable/button_techno_style"
                        android:textColor="@color/white"
                        android:text="拍照"/>

                </LinearLayout>
            </FrameLayout>

            <FrameLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1">

                <SurfaceView
                    android:id="@+id/preview3"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_margin="20dp" />

                <LinearLayout
                    android:layout_margin="30dp"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_gravity="bottom"
                    android:orientation="vertical">

                    <Spinner
                        android:id="@+id/picturelist3"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:spinnerMode="dropdown"
                        android:layout_weight="1">

                    </Spinner>

                    <Button
                        android:id="@+id/capture3"
                        android:layout_width="match_parent"
                        android:layout_height="wrap_content"
                        android:textSize="25sp"
                        android:background="@drawable/button_techno_style"
                        android:textColor="@color/white"
                        android:text="拍照"/>

                </LinearLayout>
            </FrameLayout>
        </LinearLayout>
    </LinearLayout>
    
</FrameLayout>