Запускается ZBAR сканнер в iOS версии приложения

ios/Runner/AppDelegate.m

@@ -1,12 +1,29 @@
 #include "AppDelegate.h"
 #include "GeneratedPluginRegistrant.h"
+#import "Runner-Swift.h"
+#import "ZBarSDK.h"
 
 @implementation AppDelegate
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-  [GeneratedPluginRegistrant registerWithRegistry:self];
-  // Override point for customization after application launch.
-  return [super application:application didFinishLaunchingWithOptions:launchOptions];
+ 
+    [GeneratedPluginRegistrant registerWithRegistry:self];
+    
+    FlutterViewController* controller = (FlutterViewController*)self.window.rootViewController;
+
+    FlutterMethodChannel* scannerChannel = [FlutterMethodChannel
+                                            methodChannelWithName:@"com.yourcompany.checker/scanner"
+                                            binaryMessenger:controller];
+    
+    [scannerChannel setMethodCallHandler:^(FlutterMethodCall* call, FlutterResult result) {
+        ScannerViewController *modalViewController = [ScannerViewController new];
+        [controller presentViewController:modalViewController animated:YES completion:nil];    }];
+    
+    return [super application:application didFinishLaunchingWithOptions:launchOptions];
+}
+
+- (void) showScanner {
+    
 }
 
 @end