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

    <!-- 高度随意，页面初始化会自动修正为16:9 -->
    <com.shuyu.gsyvideoplayer.video.NormalGSYVideoPlayer
        android:id="@+id/videoPlayer"
        android:layout_width="match_parent"
        android:layout_height="220dp" />
</LinearLayout>