No implementation found for method scan on channel qr_scan

[sameh-khemira]

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While trying to scan a QR code code and pressing scan () this exception was thrown even before launching camera.

[ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: MissingPluginException(No implementation found for method scan on channel qr_scan)

[vdtuan]

I got the same issue, pls help!

[Dansp]

Same error for me only in IOS

[Dansp]

I found the error. On IOS give the error MissingPluginException(No implementation found for method scan on channel qr_scan), navigating on pods into ios code I found the channel write by qrscan. I changed the line 10 on qrscan.dart const MethodChannel _channel = const MethodChannel('qr_scan'); to const MethodChannel _channel = const MethodChannel('qrscan'); and it's working on IOS, but now on Android giving this error MissingPluginException(No implementation found for method scan on channel qrscan).

The error is with the name of channel.

[zbejas]

I found the error. On IOS give the error MissingPluginException(No implementation found for method scan on channel qr_scan), navigating on pods into ios code I found the channel write by qrscan. I changed the line 10 on qrscan.dart const MethodChannel _channel = const MethodChannel('qr_scan'); to const MethodChannel _channel = const MethodChannel('qrscan'); and it's working on IOS, but now on Android giving this error MissingPluginException(No implementation found for method scan on channel qrscan).

The error is with the name of channel.

I have modified qrscan.dart, but the camera wouldn't start. Are there permissions I should request on IOS specifically?

[ReAlign]

While trying to scan a QR code code and pressing scan () this exception was thrown even before launching camera.

[ERROR:flutter/lib/ui/ui_dart_state.cc(157)] Unhandled Exception: MissingPluginException(No implementation found for method scan on channel qr_scan)

+1

[hotdang-ca]

I found the error. On IOS give the error MissingPluginException(No implementation found for method scan on channel qr_scan), navigating on pods into ios code I found the channel write by qrscan. I changed the line 10 on qrscan.dart const MethodChannel _channel = const MethodChannel('qr_scan'); to const MethodChannel _channel = const MethodChannel('qrscan'); and it's working on IOS, but now on Android giving this error MissingPluginException(No implementation found for method scan on channel qrscan). The error is with the name of channel.

I have modified qrscan.dart, but the camera wouldn't start. Are there permissions I should request on IOS specifically?

Usually, you'd need a NSCameraUsageDescription definition in your ios/Runner/Info.plist file. Eg:

<key>NSCameraUsageDescription</key>
<string>App requires the camera to scan a QR Code.</string>

@pablo3x6 please share your modification?

[renatohlf]

Same error for me in ios

[klipsedeville]

Having the same issue. Using the latest version. Any help?

[reynaldomarbun22]

can any1 , tell me . how to fix it ? same error for me in android and ios :((

[Komche]

same error in android and ios