yinmeng-android/nim_uikit/res/layout/nim_team_message_activity.xml

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

    <com.google.android.material.appbar.AppBarLayout
        android:id="@+id/app_bar_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay"
        app:elevation="0dp">

        <androidx.appcompat.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:titleTextAppearance="@style/Toolbar.TitleText" />
    </com.google.android.material.appbar.AppBarLayout>

    <RelativeLayout
        android:id="@+id/invalid_team_tip"
        android:layout_width="match_parent"
        android:layout_height="40dip"
        android:background="@drawable/nim_message_activity_top_tip"
        android:visibility="gone">

        <TextView
            android:id="@+id/invalid_team_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerHorizontal="true"
            android:layout_centerVertical="true"
            android:text="@string/team_invalid_tip"
            android:textColor="@color/color_yellow_796413"
            android:textSize="14sp" />

    </RelativeLayout>

    <LinearLayout
        android:id="@+id/message_fragment_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical" />


</LinearLayout>