jks file

android/app/build.gradle.kts

+import java.util.Properties
+import java.io.FileInputStream
+
 plugins {
     id("com.android.application")
     id("kotlin-android")
     // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
     id("dev.flutter.flutter-gradle-plugin")
 }
+val localProperties = Properties()
+val localPropertiesFile = rootProject.file("local.properties")
+if (localPropertiesFile.exists()) {
+    FileInputStream(localPropertiesFile).use { stream ->
+        localProperties.load(stream)
+    }
+}
+
+val keystoreProperties = Properties()
+val keystorePropertiesFile = rootProject.file("key.properties")
+if (keystorePropertiesFile.exists()) {
+    FileInputStream(keystorePropertiesFile).use { stream ->
+        keystoreProperties.load(stream)
+    }
+}
 
 android {
     namespace = "in.webgrid.pulse"
@@ -30,11 +48,20 @@ android {
         versionName = flutter.versionName
     }
 
+    signingConfigs {
+        create("release")  {
+            keyAlias = keystoreProperties["keyAlias"]?.toString()
+            keyPassword= keystoreProperties["keyPassword"]?.toString()
+            storeFile= keystoreProperties["storeFile"]?.toString() ?.let { file(it) }
+            storePassword= keystoreProperties["storePassword"]?.toString()
+        }
+    }
+
     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.getByName("debug")
+            signingConfig = signingConfigs.getByName("release")
         }
     }
 }

android/build.gradle.kts

+buildscript {
+    dependencies {
+        classpath("com.android.tools.build:gradle:8.6.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.0")
+        classpath("com.google.gms:google-services:4.4.2")
+    }
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
 allprojects {
     repositories {
         google()

lib/Screens/settingsScreen.dart

 import 'package:flutter/material.dart';
 import 'package:pulse/Screens/home_screen.dart';
+import 'package:pulse/utils/AppColors.dart';
 import 'package:pulse/utils/SharedpreferencesService.dart';
 import 'package:shared_preferences/shared_preferences.dart';