From: Jean Privat <jean@pryen.org>
Date: Wed, 29 Nov 2017 15:40:51 +0000 (-0500)
Subject: Merge: android: adaptive icons, free memory on demand and use same package in debug... 
X-Git-Url: http://nitlanguage.org?hp=401b060654f1ec97d43f9fddda13b17002582355

Merge: android: adaptive icons, free memory on demand and use same package in debug mode

This PR extends the new Android compilation toolchain:

* Add support for adaptive icons from Android 8 Oreo (and the older `roundIcon`), see https://developer.android.com/guide/practices/ui_guidelines/icon_design_adaptive.html. It should detect the icons structure generated by Android Studio 3.

* Tweak the GC compilation options to make it more stable and support releasing memory when the Android system sends the `onLowMemory` message.

* Don't change the app name and package/namespace when compiling in debug mode. While this allowed to easily install both the release and the debug version of the same app on a device, it could be unexpected and it was not compatible with some Google services linked to a precise package name. The old behavior can be reproduced in standard Nit code by using a debug variant like so:
  ~~~
  module asteronits_debug is
      app_name "Asteronits debug"
      app_namespace "org.nitlanguage.asteronits_debug"
  end

  import asteronits
  ~~~

Pull-Request: #2589
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