added scaling (pinch) functionality

CHANGELOG.md

@@ -1,12 +1,15 @@
 # Changelog
 
+## 0.6.4
+* Flutter 3 compatibility
+
 ## 0.6.3
 * The function 'addNode' returned only true. You have now modified it to return false as well.
 * Prevent apps from turning off when errors other than those on your camera occur.
 
 ## 0.6.2
 * Slight changes in ```AndroidARView``` dispose methods to prevent memory overflow issues when AR view is closed and reopened multiple times
-  
+
 ## 0.6.1
 * Adds ```dispose``` method to ```ARSessionManager``` to prevent memory overflow issues when AR view is closed and reopened multiple times
 

README.md

@@ -19,7 +19,7 @@ Or manually add this to your `pubspec.yaml` file (and run `flutter pub get`):
 
 ```yaml
 dependencies:
-  ar_flutter_plugin: ^0.6.3
+  ar_flutter_plugin: ^0.6.4
 ```
 
 ### Importing
@@ -56,7 +56,7 @@ If you have problems with permissions on iOS (e.g. with the camera view not show
           'PERMISSION_SENSORS=1',
 
           ## dart: PermissionGroup.bluetooth
-          'PERMISSION_BLUETOOTH=1',´
+          'PERMISSION_BLUETOOTH=1',
 
           # add additional permission groups if required
         ]

android/src/main/kotlin/io/carius/lars/ar_flutter_plugin/AndroidARView.kt

@@ -121,10 +121,10 @@ internal class AndroidARView(
                                         }
                                         mainHandler.post(runnable)
                                     } catch (e: IOException) {
-                                        result.error(null, e.message, e.stackTrace);
+                                        result.error("e", e.message, e.stackTrace);
                                     }
                                 } else {
-                                    result.error(null, "failed to take screenshot", null);
+                                    result.error("e", "failed to take screenshot", null);
                                 }
                                 handlerThread.quitSafely();
                             }, Handler(handlerThread.looper));
@@ -151,7 +151,7 @@ internal class AndroidARView(
                                 addNode(it).thenAccept{status: Boolean ->
                                     result.success(status)
                                 }.exceptionally { throwable ->
-                                    result.error(null, throwable.message, throwable.stackTrace)
+                                    result.error("e", throwable.message, throwable.stackTrace)
                                     null
                                 }
                             }
@@ -163,7 +163,7 @@ internal class AndroidARView(
                                 addNode(dict_node, dict_anchor).thenAccept{status: Boolean ->
                                     result.success(status)
                                 }.exceptionally { throwable ->
-                                    result.error(null, throwable.message, throwable.stackTrace)
+                                    result.error("e", throwable.message, throwable.stackTrace)
                                     null
                                 }
                             } else {

android/src/main/kotlin/io/carius/lars/ar_flutter_plugin/AndroidARViewFactory.kt

@@ -9,8 +9,8 @@ import io.flutter.plugin.platform.PlatformViewFactory
 
 class AndroidARViewFactory(val activity: Activity, val messenger: BinaryMessenger) :
         PlatformViewFactory(StandardMessageCodec.INSTANCE) {
-    override fun create(context: Context, viewId: Int, args: Any?): PlatformView {
+    override fun create(context: Context?, viewId: Int, args: Any?): PlatformView {
         val creationParams = args as Map<String?, Any?>?
-        return AndroidARView(activity, context, messenger, viewId, creationParams)
+        return AndroidARView(activity, context!!, messenger, viewId, creationParams)
     }
 }

example/android/app/build.gradle

@@ -23,11 +23,11 @@ if (flutterVersionName == null) {
 
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
-apply plugin: 'com.google.gms.google-services'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion flutter.compileSdkVersion
+    ndkVersion flutter.ndkVersion
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -37,15 +37,17 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "io.carius.lars.ar_flutter_plugin_example"
         minSdkVersion 24
-        targetSdkVersion 30
+        targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
 
     buildTypes {
+        debug {
+            signingConfig signingConfigs.debug
+        }
+
         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
         }
     }
@@ -58,3 +60,5 @@ flutter {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
+
+apply plugin: 'com.google.gms.google-services'

example/android/app/src/main/AndroidManifest.xml

@@ -4,6 +4,7 @@
         android:label="ar_flutter_plugin_example"
         android:icon="@mipmap/ic_launcher">
         <activity
+            android:exported="true"
             android:name=".MainActivity"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"

example/android/build.gradle

@@ -1,14 +1,14 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.6.10'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.google.gms:google-services:4.3.3'
+        classpath 'com.google.gms:google-services:4.3.8'
     }
 }
 

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-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip

pubspec.yaml

@@ -1,6 +1,6 @@
 name: ar_flutter_plugin
 description: Flutter Plugin for creating (collaborative) Augmented Reality experiences - Supports ARKit for iOS and ARCore for Android devices.
-version: 0.6.3
+version: 0.6.4
 homepage: https://lars.carius.io
 repository: https://github.com/CariusLars/ar_flutter_plugin