The startActivity() methods require the calling context to be an Activity - otherwise the 'FLAG_ACTIVITY_NEW_TASK' flag is required. This is why when you try to start an activity from the Application object, or a Receiver you must specify this flag.
See: http://developer.android.com/reference/android/app/Activity.html#startActivity(android.content.Intent) (note that it specifical mentions "This implementation overrides the base version, providing information about the activity performing the launch. Because of this additional information, the FLAG_ACTIVITY_NEW_TASK launch flag is not required") Doug On Jun 22, 9:37 pm, ani <[email protected]> wrote: > Guys, > > I would like to know the reason behind this behaviour.I have a > broadcast reciever and in onrecieve i am trying to start an > activity,however if i am not giving the flags it is giving an > exception .On declaring the flags it is working perfectly fine,why? > > I was under the impression that onRecieve runs in the main UI thread > and we can launch an activity in onRecieve.Error given by the emulator > is self explanatory but still why do i need to create an activity in a > new task(only in onRecieve)? > > onRecieve { > Intent intent4activity2 = new Intent > ("android.intent.action.activity2"); > //intent4activity2.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); > arg0.startActivity(intent4activity2); > > } > > regards, > ani --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
