在Fragment中注冊BroadcastReceiver時，觸發廣播會發生 java.lang.IllegalStateException: Fragment already added

在注冊BroadcastReceiver時，添加

filter.addAction(Intent.ACTION_PACKAGE_ADDED);filter.addAction(Intent.ACTION_PACKAGE_REMOVED);filter.addAction(Intent.ACTION_PACKAGE_REPLACED);

就OK了