refactored the build.graddle

example/android/app/build.gradle

@@ -1,67 +1,62 @@
+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"
+}
+
 def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
+def localPropertiesFile = rootProject.file("local.properties")
 if (localPropertiesFile.exists()) {
-    localPropertiesFile.withReader('UTF-8') { reader ->
+    localPropertiesFile.withReader("UTF-8") { reader ->
         localProperties.load(reader)
     }
 }
 
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
+if (flutterVersionCode == null) {
+    flutterVersionCode = "1"
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
-buildscript {
-    ext.kotlin_version = '1.7.10'  // Set Kotlin version here
-    repositories {
-        google()
-        mavenCentral()
-    }
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
+def flutterVersionName = localProperties.getProperty("flutter.versionName")
+if (flutterVersionName == null) {
+    flutterVersionName = "1.0"
 }
 
 android {
-    compileSdkVersion 33
+    applicationId "co.paystack.flutterpaystack"
+    compileSdk = 34
+    ndkVersion = flutter.ndkVersion
 
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
-    }
-
-    lint {
-        disable 'InvalidPackage'  // Use `lint` if your Gradle version supports it
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
     }
 
     defaultConfig {
-        applicationId "co.paystack.flutterpaystack"
-        minSdkVersion 16
-        targetSdkVersion 33
-        versionCode 1
-        versionName "1.0"
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.softdelaxe.rent24"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
+        minSdk = 16
+        targetSdk = 34
+        versionCode = flutterVersionCode.toInteger()
+        versionName = flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
-
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
     buildTypes {
         release {
-            signingConfig signingConfigs.debug
+            // 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
         }
     }
-
-    kotlinOptions {
-        jvmTarget = "1.8"  // Set to "17" if using Java 17
     }
 
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8  // Change to 17 if needed
-        targetCompatibility = JavaVersion.VERSION_1_8  // Change to 17 if needed
-    }
-}
-
+
 flutter {
     source '../..'
-}
+}

example/android/build.gradle

@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip