How can we access notifications of other application in android?

Is there are a way to acess the notifications of other applications like bluetooth notifications should be开发者_StackOverflow opened programatically?

For detecting missed calls see: Show Toast on Missed Call in android application

For SMS detection see: Android sms notification

You might also read up in the Android Developer docs on Intents (specifically on their use in broadcasting) and BroadcastReceiver.