Build Android app with Capacitor.js and Github Actions

.github/workflows/capacitor-android.yml

@@ -0,0 +1,70 @@
+name: Capacitor [Android]
+
+on:
+  push:
+    branches:
+      - master
+      - dev
+
+env:
+  GH_TOKEN: ${{ secrets.github_token }}
+  ANDROID_KEYSTORE_BASE64: ${{ secrets.ANDROID_KEYSTORE_BASE64 }}
+  ANDROID_KEYSTORE_PATH: './app.keystore' # relative to `./android` dir
+  ANDROID_KEYSTORE_PASSWORD: ${{ secrets.ANDROID_KEYSTORE_PASSWORD }}
+  ANDROID_KEYSTORE_ALIAS: ${{ secrets.ANDROID_KEYSTORE_ALIAS }}
+  ANDROID_KEYSTORE_ALIAS_PASSWORD: ${{ secrets.ANDROID_KEYSTORE_ALIAS_PASSWORD }}
+  ANDROID_RELEASE_TYPE: 'APK' # or AAB
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository 🛎️
+        uses: actions/checkout@v3
+
+      - name: Setup Java ☕
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: '17'
+
+      - name: Setup Node version 🍀
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+
+      - name: Install dependencies ⚙️
+        run: npm ci
+
+      - name: Build PWA
+        run: |
+          npm run schema:generate
+          npm run build
+
+      - name: Extract Android signing key from ENV 🔑
+        run: |
+          echo "$ANDROID_KEYSTORE_BASE64" > android/keystore.base64
+          base64 -d android/keystore.base64 > android/app.keystore
+          rm android/keystore.base64
+
+      - name: Build and Sign Android App 🛠️
+        run: |
+          npx cap sync
+          npx cap build android \
+            --keystorepath $ANDROID_KEYSTORE_PATH \
+            --keystorepass $ANDROID_KEYSTORE_PASSWORD \
+            --keystorealias $ANDROID_KEYSTORE_ALIAS \
+            --keystorealiaspass $ANDROID_KEYSTORE_ALIAS_PASSWORD \
+            --androidreleasetype $ANDROID_RELEASE_TYPE
+
+      - name: Save artifacts 💾
+        uses: actions/upload-artifact@v3
+        with:
+          name: android-release-app
+          path: |
+            android/app/build/outputs/apk/release/*
+
+      - name: Clean Keystore file 🧹
+        run: |
+          rm android/app.keystore

.gitignore

@@ -41,6 +41,10 @@ yarn-error.log*
 # Vercel
 .vercel
 
+# Capacitor
+capacitor.env
+capacitor/app.keystore
+
 # adamant-schema
 src/lib/schema/*
 !src/lib/schema/schema.json

README.md

@@ -86,6 +86,21 @@ APPLE_NOTARIZE=true npm run electron:build
 npm run electron:serve
 ```
 
+### Run Android app in the emulator
+
+```shell
+$ npm run android:preview
+```
+
+Note: **Java 17** and **Android Studio** is required.
+
+### Build and sign Android app
+
+```shell
+$ cp capacitor.env.example capacitor.env # replace ENV values before build
+$ npm run android:build
+```
+
 [Download pre-build apps](https://adamant.im/#adm-apps) for macOS, Windows and Linux.
 
 #### Note for Windows users

android/.gitignore

@@ -0,0 +1,101 @@
+# 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

android/app/.gitignore

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

android/app/build.gradle

@@ -0,0 +1,54 @@
+apply plugin: 'com.android.application'
+
+android {
+    namespace "im.adamant.adamantmessengerpwa"
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    defaultConfig {
+        applicationId "im.adamant.adamantmessengerpwa"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        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:!*~'
+        }
+    }
+    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")
+}

android/app/capacitor.build.gradle

@@ -0,0 +1,19 @@
+// DO NOT EDIT THIS FILE! IT IS GENERATED EACH TIME "capacitor update" IS RUN
+
+android {
+  compileOptions {
+      sourceCompatibility JavaVersion.VERSION_17
+      targetCompatibility JavaVersion.VERSION_17
+  }
+}
+
+apply from: "../capacitor-cordova-android-plugins/cordova.variables.gradle"
+dependencies {
+
+
+}
+
+
+if (hasProperty('postBuildExtras')) {
+  postBuildExtras()
+}

android/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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

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

@@ -0,0 +1,26 @@
+package com.getcapacitor.myapp;
+
+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("com.getcapacitor.app", appContext.getPackageName());
+    }
+}

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|smallestScreenSize|screenLayout|uiMode"
+            android:name=".MainActivity"
+            android:label="@string/title_activity_main"
+            android:theme="@style/AppTheme.NoActionBarLaunch"
+            android:launchMode="singleTask"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data android:name="android.support.FILE_PROVIDER_PATHS" android:resource="@xml/file_paths" />
+        </provider>
+    </application>
+
+    <!-- Permissions -->
+
+    <uses-permission android:name="android.permission.INTERNET" />
+</manifest>

android/app/src/main/java/im/adamant/adamantmessengerpwa/MainActivity.java

@@ -0,0 +1,5 @@
+package im.adamant.adamantmessengerpwa;
+
+import com.getcapacitor.BridgeActivity;
+
+public class MainActivity extends BridgeActivity {}