Results 10 issues of Urban Biker

added command to accept android sdk 27.0.3 license

Getting ``` com.google.gson.JsonSyntaxException: java.lang.NumberFormatException: Expected an int but was 2242280993 at line 1 column 17 path $.id at com.google.gson.internal.bind.TypeAdapters$7.read(TypeAdapters.java:245) at com.google.gson.internal.bind.TypeAdapters$7.read(TypeAdapters.java:235) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:129) at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:220) at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:37) at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:25) at...

Use double-s instead of float-s to minimize rounding errors that can lead to axis labels saying e.g. "9999.999" instead of "10000". There's really no excuse for using float-s here, and...

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Support [SteadyScreen](https://github.com/Sublimis/SteadyScreen) screen stabilization accessibility service for more comfortable handheld video viewing

This simple commit adds support for [SteadyScreen](https://github.com/Sublimis/SteadyScreen) screen stabilization accessibility service, for more comfortable handheld video viewing.

Could be used for various things, for example a "map loading" indicator which currently does not exist. Also #1618 Implementation should be somehow tied to the main `MapWorkerPool` loop: https://github.com/mapsforge/mapsforge/blob/be2fec7fe068cb43583f9457e2d15e1911dd7757/mapsforge-map/src/main/java/org/mapsforge/map/layer/renderer/MapWorkerPool.java#L60-L79