[Flutter]解决No MediaQuery ancestor could be found starting from the context that was passed to MediaQuery的问题
使用video_player插件()时，为了更直观的看看插件的实现效果。于是将官方的Example启动后发现了如下异常：======== Exception caught by widgets library =======================================================
The following assertion was thrown building Scaffold-[<'home_page'>](dirty, state: ScaffoldState#5861e(tickers: tracking 2 tickers...
