調べもの：setData

IntentにDataを指定する。

「BroadcastReceiver setData - Google 検索」
https://www.google.com/search?q=BroadcastReceiver+setData
「Intent | Android Developers」
https://developer.android.com/reference/android/content/Intent#setData(android.net.Uri)

「BroadcastReceiver | Android Developers」
https://developer.android.com/reference/android/content/BroadcastReceiver?hl=ja
「Context | Android Developers」
https://developer.android.com/reference/android/content/Context#registerReceiver(android.content.BroadcastReceiver,%20android.content.IntentFilter,%20java.lang.String,%20android.os.Handler,%20int)

「setData された Intent の Broadcast の 送受信 - Qiita」
https://qiita.com/granoeste/items/f0cc742f16d84886394a

「android - setData on intent prevents sendBroadcast from working? - Stack Overflow 」
https://stackoverflow.com/questions/5220256/setdata-on-intent-prevents-sendbroadcast-from-working

「android - How I can get the mime type of a file having its Uri? - Stack Overflow」
https://stackoverflow.com/questions/12473851/how-i-can-get-the-mime-type-of-a-file-having-its-uri