Sign application at build.

Author: monolidth

.gitignore

@@ -8,6 +8,7 @@
 *.aar
 *.ap_
 *.aab
+*.jks
 build/*
 
 # Files for the ART/Dalvik VM
@@ -339,3 +340,5 @@ hs_err_pid*
 
 # End of https://www.toptal.com/developers/gitignore/api/flutter,intellij+all,androidstudio,android
 build/*
+/android/app/.receipt_manager_key.jks
+/android/app/receipt_manager_key

android/app/build.gradle

@@ -25,6 +25,11 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
 android {
     compileSdkVersion 29
 
@@ -38,18 +43,25 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "org.receipt_scanner"
+        applicationId "org.receipt_manager"
         minSdkVersion 21
         targetSdkVersion 29
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
 
+
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile file(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
+            signingConfig signingConfigs.release
         }
     }
 }
@@ -60,4 +72,4 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}
+}