I am following this official guide for creating a call style notification for calling apps. In my code:

I have a device with Android 10 and OS modded probably by Huawei. I need full screen intents and heads up notifications working, but without “Banners” checked all my notifications are just common, flat usual ones (not popping on lock screen or below status bar when device unlocked). These features works fine on same Android version, but not modded, almost vanilla. And all tested devices (dozens), with newer or older OS versions (but must admit that no Huawei in that group..)

I have a condition in my code where I have to cancel notifications, inclusing the heads-up notification. The code works for the regular ones, but calling

I’m developing an Android app that relies on persistent notifications to track location. Previously, I used