feat(android): add mobile shell and Play internal-track workflow

.github/workflows/android-build.yml

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+name: Android Build & Deploy
+
+on:
+  pull_request:
+    branches: [universe]
+    paths:
+      - 'mobile/android/**'
+      - 'mobile/fastlane/**'
+      - 'mobile/Gemfile'
+      - 'mobile/package.json'
+      - 'mobile/package-lock.json'
+      - '.github/workflows/android-build.yml'
+  push:
+    branches: [universe]
+    paths:
+      - 'mobile/android/**'
+      - 'mobile/fastlane/**'
+      - 'mobile/Gemfile'
+      - 'mobile/package.json'
+      - 'mobile/package-lock.json'
+      - '.github/workflows/android-build.yml'
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: Android unit tests
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: mobile
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - run: npm ci
+
+      - run: npx cap sync android
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '17'
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+          bundler-cache: true
+          working-directory: mobile
+
+      - run: bundle exec fastlane android test
+
+  build_release:
+    name: Build signed Android bundle
+    runs-on: ubuntu-latest
+    needs: test
+    if: github.event_name != 'pull_request'
+    defaults:
+      run:
+        working-directory: mobile
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - run: npm ci
+
+      - run: npx cap sync android
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '17'
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.2'
+          bundler-cache: true
+          working-directory: mobile
+
+      - name: Materialize release keystore
+        env:
+          ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
+        run: |
+          if [ -z "$ANDROID_KEYSTORE_BASE64" ]; then
+            echo "Missing Android keystore secret; skipping keystore materialization."
+            exit 0
+          fi
+          printf '%s' "$ANDROID_KEYSTORE_BASE64" | base64 --decode > android/release.keystore
+
+      - name: Build signed AAB
+        if: github.event_name != 'workflow_dispatch'
+        env:
+          ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
+          STORE_PASSWORD: ${{ secrets.ANDROID_STORE_PASSWORD }}
+          KEY_ALIAS: ${{ secrets.ANDROID_KEY_ALIAS }}
+          KEY_PASSWORD: ${{ secrets.ANDROID_KEY_PASSWORD }}
+          KEYSTORE_PATH: android/release.keystore
+          SUPPLY_JSON_KEY_DATA: ${{ secrets.GOOGLE_PLAY_JSON_KEY }}
+        run: |
+          if [ -z "$ANDROID_KEYSTORE_BASE64" ] || [ -z "$STORE_PASSWORD" ] || [ -z "$KEY_ALIAS" ] || [ -z "$KEY_PASSWORD" ]; then
+            echo "Missing Android signing secrets; skipping signed bundle build."
+            exit 0
+          fi
+          bundle exec fastlane android build
+
+      - name: Upload AAB artifact
+        if: hashFiles('mobile/android/app/build/outputs/bundle/release/*.aab') != ''
+        uses: actions/upload-artifact@v4
+        with:
+          name: bawes-universe-android-aab
+          path: mobile/android/app/build/outputs/bundle/release/*.aab
+
+      - name: Deploy to Play internal track
+        if: github.event_name == 'workflow_dispatch'
+        env:
+          ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
+          STORE_PASSWORD: ${{ secrets.ANDROID_STORE_PASSWORD }}
+          KEY_ALIAS: ${{ secrets.ANDROID_KEY_ALIAS }}
+          KEY_PASSWORD: ${{ secrets.ANDROID_KEY_PASSWORD }}
+          KEYSTORE_PATH: android/release.keystore
+          SUPPLY_JSON_KEY_DATA: ${{ secrets.GOOGLE_PLAY_JSON_KEY }}
+        run: |
+          if [ -z "$ANDROID_KEYSTORE_BASE64" ] || [ -z "$STORE_PASSWORD" ] || [ -z "$KEY_ALIAS" ] || [ -z "$KEY_PASSWORD" ] || [ -z "$SUPPLY_JSON_KEY_DATA" ]; then
+            echo "Missing Play Store deployment secrets; skipping deploy."
+            exit 0
+          fi
+          bundle exec fastlane android deploy

mobile/android/.gitignore

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+# Using Android gitignore template: https://github.com/github/gitignore/blob/HEAD/Android.gitignore
+
+# Built application files
+*.apk
+*.aar
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+#  Uncomment the following line in case you need and you don't have the release build type files in your app
+# release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+*.jks
+*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+.cxx/
+
+# Google Services (e.g. APIs or Firebase)
+google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/
+
+# Android Profiling
+*.hprof
+
+# Cordova plugins for Capacitor
+capacitor-cordova-android-plugins
+
+# Copied web assets
+app/src/main/assets/public
+
+# Generated Config files
+app/src/main/assets/capacitor.config.json
+app/src/main/assets/capacitor.plugins.json
+app/src/main/res/xml/config.xml

mobile/android/app/.gitignore

@@ -0,0 +1,2 @@
+/build/*
+!/build/.npmkeep

mobile/android/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    namespace = "net.bawes.universe"
+    compileSdk = rootProject.ext.compileSdkVersion
+    aaptOptions {
+         // Files and dirs to omit from the packaged assets dir, modified to accommodate modern web apps.
+         // Default: https://android.googlesource.com/platform/frameworks/base/+/282e181b58cf72b6ca770dc7ca5f91f135444502/tools/aapt/AaptAssets.cpp#61
+        ignoreAssetsPattern = '!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~'
+    }
+    defaultConfig {
+        applicationId "net.bawes.universe"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+repositories {
+    flatDir{
+        dirs '../capacitor-cordova-android-plugins/src/main/libs', 'libs'
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation "androidx.appcompat:appcompat:$androidxAppCompatVersion"
+    implementation "androidx.coordinatorlayout:coordinatorlayout:$androidxCoordinatorLayoutVersion"
+    implementation "androidx.core:core-splashscreen:$coreSplashScreenVersion"
+    implementation project(':capacitor-android')
+    testImplementation "junit:junit:$junitVersion"
+    androidTestImplementation "androidx.test.ext:junit:$androidxJunitVersion"
+    androidTestImplementation "androidx.test.espresso:espresso-core:$androidxEspressoCoreVersion"
+    implementation project(':capacitor-cordova-android-plugins')
+}
+
+apply from: 'capacitor.build.gradle'
+
+try {
+    def servicesJSON = file('google-services.json')
+    if (servicesJSON.text) {
+        apply plugin: 'com.google.gms.google-services'
+    }
+} catch(Exception e) {
+    logger.info("google-services.json not found, google-services plugin not applied. Push Notifications won't work")
+}

mobile/android/app/capacitor.build.gradle

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+// DO NOT EDIT THIS FILE! IT IS GENERATED EACH TIME "capacitor update" IS RUN
+
+android {
+  compileOptions {
+      sourceCompatibility JavaVersion.VERSION_21
+      targetCompatibility JavaVersion.VERSION_21
+  }
+}
+
+apply from: "../capacitor-cordova-android-plugins/cordova.variables.gradle"
+dependencies {
+    implementation project(':capacitor-push-notifications')
+    implementation project(':capacitor-splash-screen')
+
+}
+
+
+if (hasProperty('postBuildExtras')) {
+  postBuildExtras()
+}

mobile/android/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

mobile/android/app/src/androidTest/java/com/getcapacitor/myapp/ExampleInstrumentedTest.java

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+package net.bawes.universe;
+
+import static org.junit.Assert.*;
+
+import android.content.Context;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.platform.app.InstrumentationRegistry;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+
+        assertEquals("net.bawes.universe", appContext.getPackageName());
+    }
+}