Crash on iOS

[Nealyang]

*** First throw call stack:
(
0 CoreFoundation 0x0000000105a071bb __exceptionPreprocess + 331
1 libobjc.A.dylib 0x0000000104fa5735 objc_exception_throw + 48
2 CoreFoundation 0x0000000105a25f44 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x0000000105a0bed6 forwarding + 1446
4 CoreFoundation 0x0000000105a0dda8 _CF_forwarding_prep_0 + 120
5 Runner 0x0000000103102dc0 -[FlutterWebviewPlugin initWebview:] + 2832
6 Runner 0x0000000103101c8e -[FlutterWebviewPlugin handleMethodCall:result:] + 254
7 Flutter 0x00000001031b305b __45-[FlutterMethodChannel setMethodCallHandler:]_block_invoke + 115
8 Flutter <…>
Lost connection to device.

[Nealyang]

Flutter 0.11.2 • channel dev • https://github.com/flutter/flutter.git
Framework • revision e32cd85446 (2 days ago) • 2018-11-09 14:26:21 -0800
Engine • revision 316f6365a6
Tools • Dart 2.1.0 (build 2.1.0-dev.9.3 9c07fb64c4)

[dinhha]

Fixed on my fork
dinhha@aca88cb

[panuavakul]

@dinhha awesome, working without any problem now.

[Nealyang]

I changed my flutter channel ,and then working without any problem now.

[charafau]

Fixed with @dinhha PR.