Answer
-
First open the XING app.
-
In the top left corner you will see your profile picture, tap it once.
-
Go to Settings and then on XING Settings.
-
Now select Notifications and then Push Notifications.
-
Activate the options you wish to be notified about.
You can then close your settings by touching the arrow symbol in the top left corner again. Your changes will be automatically saved.
By the way: You can also manage these settings on the XING website if you don't have your mobile phone with you. The following link takes you there: Settings for push notifications