Notification Click not launch the given Activity on Nexus Phones
This is reported issue for kitkat 4.4 not opening activity when click on notification here is an issue url
http://code.google.com/p/android/issues/detail?id=63236
http://code.google.com/p/android/issues/detail?id=61850
suggested workaround is to cancel existing PendingIntent, or use PendingIntent.FLAG_CANCEL_CURRENT
OR
Try below
Adding a flag in Activity in AndroidManifiest.xml
android:exported="true"
This issue is known for Android Kitkat 4.4 and Lollipop.Please add :
android:exported="true"in android manifest inside activity tag which is supposed to be opened after tapping notification from status bar
You can also add PendingIntent.FLAG_ONE_SHOT to fix this.
PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_ONE_SHOT);