boss/android/app/src/main/res/layout/activity_project_chat.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/boss_bg_app"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/boss_surface"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:paddingLeft="16dp"
        android:paddingTop="14dp"
        android:paddingRight="16dp"
        android:paddingBottom="12dp">

        <Button
            android:id="@+id/screen_back_button"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:background="@drawable/bg_secondary_button"
            android:minWidth="0dp"
            android:paddingLeft="14dp"
            android:paddingRight="14dp"
            android:text="返回"
            android:textAllCaps="false"
            android:textColor="@color/boss_green"
            android:textStyle="bold" />

        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginLeft="12dp"
            android:layout_marginRight="12dp"
            android:layout_weight="1"
            android:orientation="vertical">

            <TextView
                android:id="@+id/screen_title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="项目详情"
                android:textColor="@color/boss_text_primary"
                android:textSize="20sp"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/screen_subtitle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="3dp"
                android:text="设备"
                android:textColor="@color/boss_text_muted"
                android:textSize="12sp" />
        </LinearLayout>

        <Button
            android:id="@+id/screen_header_action"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:layout_marginRight="8dp"
            android:background="@drawable/bg_secondary_button"
            android:minWidth="0dp"
            android:paddingLeft="14dp"
            android:paddingRight="14dp"
            android:text="操作"
            android:textAllCaps="false"
            android:textColor="@color/boss_green"
            android:textStyle="bold"
            android:visibility="gone" />

        <Button
            android:id="@+id/screen_refresh_button"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:background="@drawable/bg_secondary_button"
            android:minWidth="0dp"
            android:paddingLeft="14dp"
            android:paddingRight="14dp"
            android:text="刷新"
            android:textAllCaps="false"
            android:textColor="@color/boss_green"
            android:textStyle="bold" />
    </LinearLayout>

    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
        android:id="@+id/screen_refresh_layout"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1">

        <ScrollView
            android:id="@+id/project_chat_scroll"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fillViewport="true"
            android:overScrollMode="ifContentScrolls">

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:paddingLeft="12dp"
                android:paddingTop="10dp"
                android:paddingRight="12dp"
                android:paddingBottom="20dp">

                <LinearLayout
                    android:id="@+id/project_chat_quick_actions"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginBottom="12dp"
                    android:orientation="horizontal" />

                <LinearLayout
                    android:id="@+id/screen_content"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical" />
            </LinearLayout>
        </ScrollView>
    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

    <LinearLayout
        android:id="@+id/project_chat_composer_row"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/boss_surface"
        android:gravity="bottom"
        android:orientation="horizontal"
        android:paddingLeft="12dp"
        android:paddingTop="10dp"
        android:paddingRight="12dp"
        android:paddingBottom="12dp">

        <EditText
            android:id="@+id/project_chat_input"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:background="@drawable/bg_secondary_button"
            android:gravity="top|start"
            android:hint="输入消息"
            android:inputType="textCapSentences|textMultiLine"
            android:maxLines="4"
            android:minHeight="44dp"
            android:paddingLeft="14dp"
            android:paddingTop="10dp"
            android:paddingRight="14dp"
            android:paddingBottom="10dp"
            android:textColor="@color/boss_text_primary"
            android:textColorHint="@color/boss_text_muted" />

        <Button
            android:id="@+id/project_chat_send"
            android:layout_width="72dp"
            android:layout_height="44dp"
            android:layout_marginLeft="8dp"
            android:background="@drawable/bg_primary_button"
            android:text="发送"
            android:textAllCaps="false"
            android:textColor="@color/boss_surface"
            android:textStyle="bold" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/project_chat_multi_select_actions"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/boss_surface"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:paddingLeft="12dp"
        android:paddingTop="10dp"
        android:paddingRight="12dp"
        android:paddingBottom="12dp"
        android:visibility="gone">

        <Button
            android:id="@+id/project_chat_multi_forward"
            android:layout_width="match_parent"
            android:layout_height="44dp"
            android:background="@drawable/bg_primary_button"
            android:text="转发"
            android:textAllCaps="false"
            android:textColor="@color/boss_surface"
            android:textStyle="bold" />
    </LinearLayout>
</LinearLayout>