Android: Presenting a notification during a call?
问题 I have a broadcast receiver that listens to incoming calls. And I want to tweak the incoming call screen. Right now I can present toasts and add notifications to the notification bar (BTW the user can't pull it down because the screen is locked, before accepting the call, which kinda sucks). I tried to show an alert but it crashed - is it not allowed? Is there a way for the code in the broadcast receiver to do other things, like change the avatar of the caller or give it a name (even if it