Use GitHub Actions for Android test builds

.circleci/config.yml

@@ -40,16 +40,6 @@ jobs:
       - run: /opt/devkitpro/portlibs/switch/bin/aarch64-none-elf-cmake -S. -Bbuild .. -DNIGHTLY_BUILD=ON
       - run: cmake --build build -j 2
       - store_artifacts: {path: ./build/devilutionx.nro, destination: devilutionx.nro}
-  android:
-    docker:
-      - image: circleci/android:api-28-ndk
-    working_directory: ~/repo
-    steps:
-      - checkout
-      - run: sudo apt update -y
-      - run: sudo apt install -y g++ cmake ninja-build smpq
-      - run: cd android-project && ./gradlew assembleDebug
-      - store_artifacts: {path: ./android-project/app/build/outputs/apk/debug/app-debug.apk, destination: devilutionx-debug.apk}
   3ds:
     docker:
       - image: devkitpro/devkitarm:latest
@@ -95,7 +85,6 @@ workflows:
       - linux_x86_64
       - linux_x86_64_test
       - switch
-      - android
       - 3ds
       - amigaos-m68k
       - vita

.github/workflows/Android.yml

@@ -0,0 +1,47 @@
+name: Android
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [ opened, synchronize ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    
+    - name: set up JDK 11
+      uses: actions/setup-java@v2
+      with:
+        java-version: '11'
+        distribution: 'adopt'
+        cache: gradle
+
+    # CMake version 3.21.3 causes gradle to throw a NullPointerException during the build
+    # Removing it will cause gradle to fall back on 3.18.1 installed by the Android SDK
+    - name: Create Build Environment
+      run: rm /usr/local/bin/cmake
+
+    - name: Cache CMake build folder
+      uses: actions/cache@v2
+      with:
+        path: android-project/app/.cxx
+        key: android-cmake-${{ github.sha }}
+        restore-keys: android-cmake-
+      
+    - name: Build
+      working-directory: ${{github.workspace}}
+      shell: bash
+      run: cd android-project && ./gradlew assembleDebug
+
+    - name: Upload-Package
+      uses: actions/upload-artifact@v2
+      with:
+        name: devilutionx-debug.apk
+        path: android-project/app/build/outputs/apk/debug/app-debug.apk

README.md

@@ -53,8 +53,9 @@ If you want to help test the latest state of the next version you can fetch the
 [![MacOSX](https://github.com/diasurgical/devilutionX/actions/workflows/MacOSX.yml/badge.svg)](https://github.com/diasurgical/devilutionX/actions/workflows/MacOSX.yml?query=branch%3Amaster)
 [![Windows x64](https://github.com/diasurgical/devilutionX/actions/workflows/Windows_x64.yml/badge.svg)](https://github.com/diasurgical/devilutionX/actions/workflows/Windows_x64.yml?query=branch%3Amaster)
 [![Windows x86](https://github.com/diasurgical/devilutionX/actions/workflows/Windows_x86.yml/badge.svg)](https://github.com/diasurgical/devilutionX/actions/workflows/Windows_x86.yml?query=branch%3Amaster)
+[![Android](https://github.com/diasurgical/devilutionX/actions/workflows/Android.yml/badge.svg)](https://github.com/diasurgical/devilutionX/actions/workflows/Android.yml?query=branch%3Amaster)
 
-Linux x86-64, Switch, Vita, 3DS, Amiga, Android [![CircleCI](https://circleci.com/gh/diasurgical/devilutionX.svg?style=shield)](https://app.circleci.com/pipelines/github/diasurgical/devilutionX?branch=master)
+Linux x86-64, Switch, Vita, 3DS, Amiga, [![CircleCI](https://circleci.com/gh/diasurgical/devilutionX.svg?style=shield)](https://app.circleci.com/pipelines/github/diasurgical/devilutionX?branch=master)
 
 MSVC [![AppVeyor](https://ci.appveyor.com/api/projects/status/1a0jus2372qvksht/branch/master?svg=true)](https://ci.appveyor.com/project/AJenbo/devilutionx)