avchat_video_permission_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <TextView
        android:id="@+id/avchat_permission_tip_1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="未能开启摄像头"
        android:textColor="@color/white"
        android:textSize="17sp" />
    <TextView
        android:id="@+id/avchat_permission_tip_2"
        android:layout_marginTop="18dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="请至系统设置中打开此应用"
        android:textColor="@color/white"
        android:textSize="17sp" />
    <TextView
        android:id="@+id/avchat_permission_tip_3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:text="的摄像头权限"
        android:textColor="@color/white"
        android:textSize="17sp" />
</LinearLayout>