Fix apk signing issue

.github/workflows/build_release.yml

@@ -27,9 +27,12 @@ jobs:
           draft: true
 
   create-build:
+    needs: draft-release
+    environment: production
     name: Create ${{ matrix.target }} build
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         target: [android, linux, windows]
         include:
@@ -48,8 +51,6 @@ jobs:
             build_target: windows
             build_path: build\windows\x64\runner\Release
             asset_extension: .zip
-      fail-fast: false
-    needs: draft-release
     steps:
       - name: Install Android dependencies
         if: matrix.target == 'android'
@@ -78,6 +79,18 @@ jobs:
           dart pub global activate cider
           cider version ${{ github.event.inputs.version }}
 
+      - name: Configure Keystore
+        run: |
+          echo "$ANDROID_UPLOAD_KEY" | base64 --decode > upload-keystore.jks
+          echo "storeFile=../upload-keystore.jks" >> key.properties
+          echo "keyAlias=upload" >> key.properties
+          echo "storePassword=$ANDROID_KEYSTORE_PASSWORD" >> key.properties
+          echo "keyPassword=$ANDROID_KEYSTORE_PASSWORD" >> key.properties
+        env:
+          ANDROID_UPLOAD_KEY: ${{ secrets.ANDROID_UPLOAD_KEY }}
+          ANDROID_KEYSTORE_PASSWORD: ${{ secrets.ANDROID_KEYSTORE_PASSWORD }}
+        working-directory: android
+
       - name: Build Flutter app
         run: |
           dart run build_runner build

android/app/build.gradle

@@ -22,6 +22,12 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 android {
     namespace "one.jwr.interstellar"
     compileSdkVersion flutter.compileSdkVersion
@@ -50,13 +56,24 @@ android {
         versionName flutterVersionName
     }
 
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+            storePassword keystoreProperties['storePassword']
+        }
+    }
+
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
+            if (keystorePropertiesFile.exists()) {
-            // Signing with the debug keys for now, so `flutter run --release` works.
+                signingConfig signingConfigs.release
+            } else {
                 signingConfig signingConfigs.debug
             }
         }
+    }
 }
 
 flutter {