add the release key values

android/app/build.gradle

@@ -28,14 +28,14 @@ apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 android {
     compileSdkVersion 30
 
-//    signingConfigs {
+    signingConfigs {
-//        release {
+        release {
-//            storeFile file('C:\\Users\\admin\\Downloads\\DQKey.jks')
+            storeFile file('/Users/nextwo/Desktop/Elham/keys/doctor app key')
-//            storePassword 'HmGsa123'
+            storePassword 'Hmgdoctor1234'
-//            keyAlias 'key'
+            keyAlias 'hmgdoctor'
-//            keyPassword 'HmGsa123'
+            keyPassword 'Hmgdoctor1234'
-//        }
+        }
-//    }
+    }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -59,7 +59,8 @@ android {
     buildTypes {
         release {
             // TODO: Add your own signing config for the release build.
-           signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
+
         }
         debug {
             // Signing with the debug keys for now, so `flutter run --release` works.

pubspec.lock

@@ -770,13 +770,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.11"
-  material_color_utilities:
-    dependency: transitive
-    description:
-      name: material_color_utilities
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.2"
   meta:
     dependency: transitive
     description:
@@ -1180,7 +1173,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
+    version: "0.4.3"
   timing:
     dependency: transitive
     description: