digital_person/app/src/main/res/layout/activity_live2d_chat.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"
    android:background="#606060"
    tools:context="com.digitalperson.Live2DChatActivity">

    <android.opengl.GLSurfaceView
        android:id="@+id/live2d_view"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <FrameLayout
        android:id="@+id/face_preview_container"
        android:layout_width="220dp"
        android:layout_height="300dp"
        android:layout_margin="12dp"
        android:background="#55000000"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <androidx.camera.view.PreviewView
            android:id="@+id/camera_preview"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:implementationMode="compatible"
            app:scaleType="fitCenter" />

        <com.digitalperson.face.FaceOverlayView
            android:id="@+id/face_overlay"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </FrameLayout>

    <ImageView
        android:id="@+id/ref_match_image"
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:layout_margin="12dp"
        android:background="#66000000"
        android:scaleType="fitCenter"
        android:visibility="gone"
        app:layout_constraintBottom_toTopOf="@+id/button_row"
        app:layout_constraintStart_toStartOf="parent"
        tools:visibility="visible" />

    <ScrollView
        android:id="@+id/scroll_view"
        android:layout_width="0dp"
        android:layout_height="200dp"
        android:fillViewport="true"
        app:layout_constraintBottom_toTopOf="@+id/llm_mode_switch_row"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <TextView
            android:id="@+id/my_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@android:color/transparent"
            android:padding="16dp"
            android:scrollbars="vertical"
            android:text="@string/hint"
            android:textIsSelectable="true" />
    </ScrollView>

    <LinearLayout
        android:id="@+id/llm_mode_switch_row"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:padding="16dp"
        app:layout_constraintBottom_toTopOf="@+id/streaming_switch_row"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="16dp"
            android:text="本地LLM"
            android:textSize="16sp" />

        <Switch
            android:id="@+id/llm_mode_switch"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="false" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/streaming_switch_row"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:padding="16dp"
        app:layout_constraintBottom_toTopOf="@+id/tts_mode_switch_row"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="16dp"
            android:text="流式输出"
            android:textSize="16sp" />

        <Switch
            android:id="@+id/streaming_switch"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="false" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/tts_mode_switch_row"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:padding="16dp"
        app:layout_constraintBottom_toTopOf="@+id/button_row"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="16dp"
            android:text="腾讯云TTS"
            android:textSize="16sp" />

        <Switch
            android:id="@+id/tts_mode_switch"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="true" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/button_row"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="horizontal"
        android:padding="16dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <!-- 传统按钮 -->
        <LinearLayout
            android:id="@+id/traditional_buttons"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            android:gravity="center">

            <Button
                android:id="@+id/start_button"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginEnd="12dp"
                android:layout_weight="1"
                android:text="@string/start" />

            <Button
                android:id="@+id/stop_button"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:text="@string/stop" />
        </LinearLayout>
    </LinearLayout>

    <!-- 按住录音按钮 - 右下角 -->
    <FrameLayout
        android:id="@+id/record_button_container"
        android:layout_width="120dp"
        android:layout_height="120dp"
        android:layout_margin="14dp"
        android:layout_marginBottom="14dp"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent">

        <View
            android:id="@+id/record_button_glow"
            android:layout_width="120dp"
            android:layout_height="120dp"
            android:layout_gravity="center"
            android:background="@drawable/record_button_glow"
            android:visibility="gone" />

        <Button
            android:id="@+id/record_button"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_gravity="center"
            android:text="按住说话"
            android:textColor="@android:color/white"
            android:textSize="14sp"
            android:textAllCaps="false"
            android:background="@drawable/record_button_background"
            app:backgroundTint="#4CAF50"
            android:stateListAnimator="@animator/button_elevation" />
    </FrameLayout>

</androidx.constraintlayout.widget.ConstraintLayout>