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

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="startLive"
        android:text="开始直播"
        />

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="stopLive"
        android:text="停止直播"
        />


</LinearLayout>