Merge branch 'fdroid'

Makefile

@@ -37,6 +37,9 @@ android/app/src/main/res/mipmap-hdpi/ic_launcher.png: assets/launcher_icon.png a
 	$(FLUTTER) pub get
 	$(FLUTTER) pub run flutter_launcher_icons:main
 
+icons-fdroid: assets/launcher_icon.svg
+	rsvg-convert --width=512 --height=512 --keep-aspect-ratio assets/launcher_icon.svg > metadata/en-US/images/icon.png
+
 icons-web: website/favicon.ico web/favicon.ico web/icons/Icon-192.png web/icons/Icon-maskable-192.png web/icons/Icon-512.png web/icons/Icon-maskable-512.png
 web/favicon.ico website/favicon.ico: assets/launcher_icon.svg
 	magick -background none assets/launcher_icon.svg -define icon:auto-resize $@
@@ -67,4 +70,4 @@ build/upstream/Noto_Sans_Math.zip:
 	curl --output build/upstream/Noto_Sans_Math.zip https://fonts.google.com/download?family=Noto%20Sans%20Math
 .INTERMEDIATE: build/upstream/Noto_Sans_Math.zip
 
-.PHONY: all app web gh-pages host run test assets-android assets-web fonts icons-android icons-web icons-clean clean
+.PHONY: all app web gh-pages host run test assets-android assets-web fonts icons-android icons-fdroid icons-web icons-clean clean

README.md

@@ -2,11 +2,15 @@
 
 A mathematical puzzle game. Try it at https://mwageringel.github.io/everest/
 
+[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
+     alt="Get it on F-Droid"
+     height="80">](https://f-droid.org/packages/io.github.mwageringel.everest/)
+
 ## Build dependencies
 
 Building with `make` requires `flutter, curl, rsvg-convert, imagemagick`.
 
 
-APK signing certificate fingerprint (SHA-256):
+APK signing certificate fingerprint (SHA-256) of releases on GitHub:
 
     576bae61b2aba5d1d32a17d373baa36e05beaaefb67d9b47218d004c0e8333d9

website/index.html

@@ -31,7 +31,10 @@ <h1>Android App</h1>
       <p class="w3-text-grey">
         Recommended if you have an Android device (with Android 4.1 or above).
       </p>
-      <a href="https://github.com/mwageringel/everest/releases/download/1.1.2/everest-1.1.2.apk" class="w3-button w3-indigo w3-padding-large w3-margin-top">Download .apk file (18 MB)</a>
+      <a href="https://f-droid.org/packages/io.github.mwageringel.everest/" class="w3-hover-opacity w3-margin-top">
+        <img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" alt="Get it on F-Droid" height="80">
+      </a>
+      <!-- <a href="https://github.com/mwageringel/everest/releases/download/1.1.2/everest-1.1.2.apk" class="w3-button w3-indigo w3-padding-large w3-margin-top">Download .apk file (18 MB)</a> -->
     </div>
 
     <div class="w3-col m6 w3-padding-16">