How to open fragment page, when pressed a notification in android

Question

I am trying to open a fragment when I press a notification in the notification bar. My app structure is:

• a base activity with a nav drawer menu

• so

Answer 1

notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
             | Intent.FLAG_ACTIVITY_SINGLE_TOP )

As your intent set Flags: FLAG_ACTIVITY_SINGLE_TOP, "onCreate()" will not be called when the activity has been created, you should receive the params in the method called "onNewIntent()" instead.