.

android/.gitignore

@@ -4,4 +4,5 @@ gradle-wrapper.jar
 /gradlew
 /gradlew.bat
 /local.properties
+/key.properties
 GeneratedPluginRegistrant.java

android/app/build.gradle

@@ -25,6 +25,12 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
+//add------------------start
+def keystorePropertiesFile = rootProject.file("key.properties")
+def keystoreProperties = new Properties()
+keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+//add------------------end
+
 android {
     compileSdkVersion 28
 
@@ -46,11 +52,19 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
+    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
         }
     }
 }

android/key.properties

@@ -0,0 +1,4 @@
+storePassword=toly1994
+keyPassword=toly1994
+keyAlias=key
+storeFile=/Volumes/coder/file/key/toly.jks