Android apps make sounds when posting notifications. So adding useless gets you on the blacklist quickly thereby disallowing your app for posting any notifications at all.
Kristian shows how and why at
How to lose notification privilege:
- Use notification for marketing.
- Long press.
- Disable.
It’s that easy. You never force grab my attention for marketing a second time, especially since Android notifications by default come with sound now. This one woke me up.
- [WayBack] Und weil ich gerade dabei bin: Dieser Handgriff hätte schon vor langer, langer Zeit getan werden sollen. Nur Blocks, keine Allows – das Feature kann dan auch weg – Kristian Köhntopp – Google+
–jeroen
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