LPG Preismelder Android app updated again

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Android 9 will no longer allow unencrypted HTTP communication.
So I had to pull out my old "LPG Preismelder" fuel station app for GPL and CNG fuel stations in Europe.
It is a simple app. It still works fine.
However nowadays Google Play Store no longer allows the old target SDK
and Android Studio does't like the old Build Tools.
So I had to update them and consequently add support for permissions that are no longer granted at download-time.
Also the Google Maps API has changed a lot and it is no longer possible to just ask the Map-Fragment for the map and perform updates (e.g. set the location). All this now has to be done asynchronously.

This did introduce a small number of crashes for rare cases, thus ruining my "max 1 crash per year at 1000 users" record.

Links:

• App on Google Play