Migration to flutter 3

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "java.configuration.updateBuildConfiguration": "interactive"
+}

android/build.gradle

@@ -2,7 +2,7 @@ group 'com.example.imagegallerysaver'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.7.10'
+    ext.kotlin_version = '2.0.20'
     repositories {
         google()
         mavenCentral()

example/android/app/build.gradle

@@ -1,41 +1,40 @@
+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')
+def flutterVersionCode = localProperties.getProperty("flutter.versionCode")
 if (flutterVersionCode == null) {
-    flutterVersionCode = '1'
+    flutterVersionCode = "1"
 }
 
-def flutterVersionName = localProperties.getProperty('flutter.versionName')
+def flutterVersionName = localProperties.getProperty("flutter.versionName")
 if (flutterVersionName == null) {
-    flutterVersionName = '1.0'
+    flutterVersionName = "1.0"
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion flutter.compileSdkVersion
-    ndkVersion flutter.ndkVersion
+    namespace = "com.example.imagegallerysaverexample"
+    compileSdk = 34
+    ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
-
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '17'
     }
 
     sourceSets {
@@ -69,8 +68,7 @@ flutter {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.2.0'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }

example/android/build.gradle

@@ -1,20 +1,20 @@
 buildscript {
-    ext.kotlin_version = '1.7.10'
+     ext.kotlin_version = '2.0.20'
     repositories {
         google()
-        mavenCentral()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath 'com.android.tools.build:gradle:3.2.1'
     }
 }
 
 allprojects {
     repositories {
         google()
-        mavenCentral()
+        jcenter()
     }
 }
 
@@ -28,4 +28,4 @@ subprojects {
 
 tasks.register("clean", Delete) {
     delete rootProject.buildDir
-}
+}

example/android/settings.gradle

@@ -1,11 +1,25 @@
-include ':app'
+pluginManagement {
+    def flutterSdkPath = {
+        def properties = new Properties()
+        file("local.properties").withInputStream { properties.load(it) }
+        def flutterSdkPath = properties.getProperty("flutter.sdk")
+        assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
+        return flutterSdkPath
+    }()
 
-def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
-def properties = new Properties()
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
 
-assert localPropertiesFile.exists()
-localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
 
-def flutterSdkPath = properties.getProperty("flutter.sdk")
-assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
+plugins {
+    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
+    id "com.android.application" version "7.3.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.0.20" apply false
+}
+
+include ":app"

example/pubspec.yaml

@@ -10,7 +10,7 @@ description: Demonstrates how to use the image_gallery_saver plugin.
 version: 2.0.3+3
 
 environment:
-  sdk: '>=2.19.6 <4.0.0'
+  sdk: '>=3.4.3 <4.0.0'
 
 dependencies:
   flutter:

pubspec.yaml

@@ -4,8 +4,7 @@ version: 2.0.3
 homepage: https://github.com/hui-z/image_gallery_saver
 
 environment:
-  sdk: '>=2.12.0 <4.0.0'
-  flutter: ">=1.17.0"
+  sdk: '>=3.4.3 <4.0.0'
 
 dependencies:
   flutter:

test/image_gallery_saver_test.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:typed_data';
 import 'package:flutter/services.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:image_gallery_saver/image_gallery_saver.dart';
@@ -20,11 +19,11 @@ void main() {
     log.clear();
   });
 
-
   test('saveImageToGallery test', () async {
     response = true;
     Uint8List imageBytes = Uint8List(16);
-    final bool? result = await (ImageGallerySaver.saveImage(imageBytes) as FutureOr<dynamic>);
+    final bool? result =
+        await (ImageGallerySaver.saveImage(imageBytes) as FutureOr<dynamic>);
     expect(
       log,
       <Matcher>[
@@ -38,5 +37,4 @@ void main() {
     );
     expect(result, response);
   });
-
 }