Merge branch 'master' into feature/scan-window

# Conflicts:
#	lib/src/mobile_scanner.dart

 name: code analysis & formatting
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [ opened, labeled, unlabeled, synchronize ]
 
 jobs:
   analysis:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
+      - uses: actions/checkout@v3.0.2
+      - uses: actions/setup-java@v3.4.1
         with:
-          distribution: 'temurin'
-          java-version: '11'
-      - uses: subosito/flutter-action@v2.4.0
+          java-version: 11
+          distribution: temurin
+      - uses: subosito/flutter-action@v2.6.1
+        with:
+          cache: true
       - name: Version
         run: flutter doctor -v
       - name: Install dependencies
@@ -21,11 +28,13 @@ jobs:
   formatting:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
+      - uses: actions/checkout@v3.0.2
+      - uses: actions/setup-java@v3.4.1
+        with:
+          java-version: 11
+          distribution: temurin
+      - uses: subosito/flutter-action@v2.6.1
         with:
-          distribution: 'temurin'
-          java-version: '11'
-      - uses: subosito/flutter-action@v2.4.0
+          cache: true
       - name: Format
-        run: flutter format -n --set-exit-if-changed .
\ No newline at end of file
+        run: flutter format -n --set-exit-if-changed .

@@ -2,7 +2,7 @@ group 'dev.steenbakker.mobile_scanner'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.6.21'
+    ext.kotlin_version = '1.7.10'
     repositories {
         google()
         mavenCentral()
@@ -52,8 +52,8 @@ dependencies {
     // Use this dependency to use the dynamically downloaded model in Google Play Services
 //    implementation 'com.google.android.gms:play-services-mlkit-barcode-scanning:18.0.0'
 
-    implementation "androidx.camera:camera-camera2:1.2.0-alpha01"
-    implementation 'androidx.camera:camera-lifecycle:1.2.0-alpha01'
+    implementation "androidx.camera:camera-camera2:1.2.0-alpha04"
+    implementation 'androidx.camera:camera-lifecycle:1.2.0-alpha04'
 
 //    // The following line is optional, as the core library is included indirectly by camera-camera2
 //    implementation "androidx.camera:camera-core:1.1.0-alpha11"

 buildscript {
-    ext.kotlin_version = '1.6.21'
+    ext.kotlin_version = '1.7.10'
     repositories {
         google()
         mavenCentral()

@@ -133,9 +133,9 @@ class _BarcodeScannerWithControllerState
                         icon: const Icon(Icons.image),
                         iconSize: 32.0,
                         onPressed: () async {
-                          final ImagePicker _picker = ImagePicker();
+                          final ImagePicker picker = ImagePicker();
                           // Pick an image
-                          final XFile? image = await _picker.pickImage(
+                          final XFile? image = await picker.pickImage(
                             source: ImageSource.gallery,
                           );
                           if (image != null) {

@@ -16,7 +16,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  lint: ^1.8.2
+  lint: ^1.10.0
 
 flutter:
   uses-material-design: true

@@ -37,13 +37,12 @@ class MobileScanner extends StatefulWidget {
 
   /// Create a [MobileScanner] with a [controller], the [controller] must has been initialized.
   const MobileScanner({
-    Key? key,
+    super.key,
     required this.onDetect,
     this.controller,
     this.fit = BoxFit.cover,
     this.allowDuplicates = false,
-    this.scanWindow,
-  }) : super(key: key);
+  });
 
   @override
   State<MobileScanner> createState() => _MobileScannerState();
@@ -58,13 +57,14 @@ class _MobileScannerState extends State<MobileScanner>
     super.initState();
     WidgetsBinding.instance.addObserver(this);
     controller = widget.controller ?? MobileScannerController();
+    if (!controller.isStarting) controller.start();
   }
 
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
     switch (state) {
       case AppLifecycleState.resumed:
-        if (!controller.isStarting) controller.start();
+        if (!controller.isStarting && controller.autoResume) controller.start();
         break;
       case AppLifecycleState.inactive:
       case AppLifecycleState.paused:
@@ -134,7 +134,7 @@ class _MobileScannerState extends State<MobileScanner>
           builder: (context, value, child) {
             value = value as MobileScannerArguments?;
             if (value == null) {
-              return Container(color: Colors.black);
+              return const ColoredBox(color: Colors.black);
             } else {
               if (widget.scanWindow != null) {
                 final window = calculateScanWindowRelativeToTextureInPercentage(

@@ -35,7 +35,8 @@ class MobileScannerController {
   EventChannel eventChannel =
       const EventChannel('dev.steenbakker.mobile_scanner/scanner/event');
 
-  int? _controllerHashcode;
+  //Must be static to keep the same value on new instances
+  static int? _controllerHashcode;
   StreamSubscription? events;
 
   final ValueNotifier<MobileScannerArguments?> args = ValueNotifier(null);
@@ -53,6 +54,9 @@ class MobileScannerController {
   bool hasTorch = false;
   late StreamController<Barcode> barcodesController;
 
+  /// Whether to automatically resume the camera when the application is resumed
+  bool autoResume;
+
   Stream<Barcode> get barcodes => barcodesController.stream;
 
   MobileScannerController({
@@ -60,6 +64,7 @@ class MobileScannerController {
     this.ratio,
     this.torchEnabled,
     this.formats,
+    this.autoResume = true,
   }) {
     // In case a new instance is created before calling dispose()
     if (_controllerHashcode != null) {
@@ -75,8 +80,6 @@ class MobileScannerController {
         // onCancel: () => setAnalyzeMode(AnalyzeMode.none.index),
         );
 
-    start();
-
     // Listen to events from the platform specific code
     events = eventChannel
         .receiveBroadcastStream()
@@ -88,22 +91,22 @@ class MobileScannerController {
     final data = event['data'];
     switch (name) {
       case 'torchState':
-        final state = TorchState.values[data as int];
+        final state = TorchState.values[data as int? ?? 0];
         torchState.value = state;
         break;
       case 'barcode':
-        final barcode = Barcode.fromNative(data as Map);
+        final barcode = Barcode.fromNative(data as Map? ?? {});
         barcodesController.add(barcode);
         break;
       case 'barcodeMac':
         barcodesController.add(
           Barcode(
-            rawValue: (data as Map)['payload'] as String,
+            rawValue: (data as Map)['payload'] as String?,
           ),
         );
         break;
       case 'barcodeWeb':
-        barcodesController.add(Barcode(rawValue: data as String));
+        barcodesController.add(Barcode(rawValue: data as String?));
         break;
       default:
         throw UnimplementedError();
@@ -134,11 +137,11 @@ class MobileScannerController {
     // Check authorization status
     if (!kIsWeb) {
       MobileScannerState state = MobileScannerState
-          .values[await methodChannel.invokeMethod('state') as int];
+          .values[await methodChannel.invokeMethod('state') as int? ?? 0];
       switch (state) {
         case MobileScannerState.undetermined:
           final bool result =
-              await methodChannel.invokeMethod('request') as bool;
+              await methodChannel.invokeMethod('request') as bool? ?? false;
           state = result
               ? MobileScannerState.authorized
               : MobileScannerState.denied;
@@ -194,21 +197,21 @@ class MobileScannerController {
       throw PlatformException(code: 'INITIALIZATION ERROR');
     }
 
-    hasTorch = startResult['torchable'] as bool;
+    hasTorch = startResult['torchable'] as bool? ?? false;
 
     if (kIsWeb) {
       args.value = MobileScannerArguments(
         webId: startResult['ViewID'] as String?,
         size: Size(
-          startResult['videoWidth'] as double,
-          startResult['videoHeight'] as double,
+          startResult['videoWidth'] as double? ?? 0,
+          startResult['videoHeight'] as double? ?? 0,
         ),
         hasTorch: hasTorch,
       );
     } else {
       args.value = MobileScannerArguments(
-        textureId: startResult['textureId'] as int,
-        size: toSize(startResult['size'] as Map),
+        textureId: startResult['textureId'] as int?,
+        size: toSize(startResult['size'] as Map? ?? {}),
         hasTorch: hasTorch,
       );
     }

@@ -17,7 +17,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  lint: ^1.8.2
+  lint: ^1.10.0
 
 flutter:
   plugin: