[英]How to start activity from BroadcastReceiver onReceive method?
調用BroadcastReceiver onReceive（）時，我需要一個對話框或自定義對話框出現！
任何人都知道..請幫助我，謝謝！
在提供給onReceive()的Context上調用startActivity() ，包括在傳遞給startActivity()的Intent的標志中包括Intent.FLAG_ACTIVITY_NEW_TASK 。
注意，在沒有用戶啟動的情況下啟動活動可能被用戶視為不良形式。
當應用程序處於后台時，如何從 BroadcastReceiver 的 onReceive() 方法啟動活動？
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