Test: App with Signed build

Author: DK10WS

.github/workflows/main.yaml

@@ -9,37 +9,50 @@ on:
       - flutter_app
   workflow_dispatch:
 
-jobs: 
+jobs:
   build:
     name: Build & Release
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v4
-      
+
       - name: Set Gradle Java Home
         run: sed -i '$d' android/gradle.properties
 
       - name: Set Up Java
         uses: actions/setup-java@v3
         with:
-          distribution: 'oracle'
-          java-version: '17'
+          distribution: "oracle"
+          java-version: "17"
           cache: gradle
 
       - name: Set Up Flutter
         uses: subosito/flutter-action@v2
         with:
-          flutter-version: '3.27.2'
-          channel: 'stable'
-          cache: true 
+          flutter-version: "3.27.2"
+          channel: "stable"
+          cache: true
+
+      - name: Decode Keystore
+        run: |
+          echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 --decode > android/upload-keystore.jks
+          ls -l android/
+
+      - name: Create key.properties
+        run: |
+          echo "storePassword=${{ secrets.KEYSTORE_PASSWORD }}" > android/key.properties
+          echo "keyPassword=${{ secrets.KEY_PASSWORD }}" >> android/key.properties
+          echo "keyAlias=${{ secrets.KEY_ALIAS }}" >> android/key.properties
+          echo "storeFile=upload-keystore.jks" >> android/key.properties
+          cat android/key.properties
 
       - name: Install Dependencies
         run: flutter pub get
 
       - name: Build APK
-        run: flutter build apk
+        run: flutter build apk --release
 
       - name: Upload APK
         uses: actions/upload-artifact@v4

android/app/build.gradle

@@ -1,13 +1,16 @@
 plugins {
     id "com.android.application"
-    // START: FlutterFire Configuration
-    id 'com.google.gms.google-services'
-    // END: FlutterFire Configuration
+    id "com.google.gms.google-services" // FlutterFire
     id "kotlin-android"
-    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id "dev.flutter.flutter-gradle-plugin"
 }
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 android {
     namespace = "com.example.mujslcm"
     compileSdk = flutter.compileSdkVersion
@@ -23,21 +26,32 @@ android {
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId = "com.example.mujslcm"
-        // You can update the following values to match your application needs.
-        // For more information, see: https://flutter.dev/to/review-gradle-config.
         minSdk = flutter.minSdkVersion
         targetSdk = flutter.targetSdkVersion
         versionCode = flutter.versionCode
         versionName = flutter.versionName
     }
 
+    signingConfigs {
+        release {
+            if (keystorePropertiesFile.exists()) {
+                keyAlias keystoreProperties['keyAlias']
+                keyPassword keystoreProperties['keyPassword']
+                storeFile rootProject.file("android/${keystoreProperties['storeFile']}")
+                storePassword keystoreProperties['storePassword']
+            }
+        }
+    }
+
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig = signingConfigs.debug
+            if (keystorePropertiesFile.exists()) {
+                signingConfig signingConfigs.release
+            }
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
 }

android/gradle.properties

@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=2G -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
-org.gradle.java.home=C\:/Program Files/Java/jdk-17
+org.gradle.java.home=/usr/lib/jvm/java-17-openjdk