Failed to lookup symbol 'FloodFill'

[Marlenfranto]

@rainyl , When I attempt to execute the cv.floodFill function, I encounter the following exception.
Please see the details of the exception below:

`E/flutter ( 9850): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Invalid argument(s): Failed to lookup symbol 'FloodFill': undefined symbol: FloodFill

E/flutter ( 9850): #0 DynamicLibrary.lookup (dart:ffi-patch/ffi_dynamic_library_patch.dart:33:70)
E/flutter ( 9850): #1 CvNativeImgproc._FloodFillPtr (package:opencv_dart/src/g/imgproc.g.dart:2362:38)
E/flutter ( 9850): #2 CvNativeImgproc._FloodFillPtr (package:opencv_dart/src/g/imgproc.g.dart)
E/flutter ( 9850): #3 CvNativeImgproc._FloodFill (package:opencv_dart/src/g/imgproc.g.dart:2363:27)
E/flutter ( 9850): #4 CvNativeImgproc._FloodFill (package:opencv_dart/src/g/imgproc.g.dart)
E/flutter ( 9850): #5 CvNativeImgproc.FloodFill (package:opencv_dart/src/g/imgproc.g.dart:2338:12)
E/flutter ( 9850): #6 floodFill. (package:opencv_dart/src/imgproc/imgproc.dart:334:20)
E/flutter ( 9850): #7 cvRun (package:opencv_dart/src/core/base.dart:83:76)
E/flutter ( 9850): #8 floodFill (package:opencv_dart/src/imgproc/imgproc.dart:333:3)
E/flutter ( 9850): #9 _MyAppState.rpPaintHSV (package:opencv_dart_example/main.dart:151:8)
E/flutter ( 9850): #10 _MyAppState.build.. (package:opencv_dart_example/main.dart:72:21)
E/flutter ( 9850): #11 State.setState (package:flutter/src/widgets/framework.dart:1203:30)
E/flutter ( 9850): #12 _MyAppState.build. (package:opencv_dart_example/main.dart:69:19)
E/flutter ( 9850): #13 TapGestureRecognizer.handleTapDown. (package:flutter/src/gestures/tap.dart:624:61)
E/flutter ( 9850): #14 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:344:24)
E/flutter ( 9850): #15 TapGestureRecognizer.handleTapDown (package:flutter/src/gestures/tap.dart:624:11)
E/flutter ( 9850): #16 BaseTapGestureRecognizer._checkDown (package:flutter/src/gestures/tap.dart:300:5)
E/flutter ( 9850): #17 BaseTapGestureRecognizer.acceptGesture (package:flutter/src/gestures/tap.dart:277:7)
E/flutter ( 9850): #18 GestureArenaManager._resolveByDefault (package:flutter/src/gestures/arena.dart:269:25)
E/flutter ( 9850): #19 GestureArenaManager._tryToResolveArena. (package:flutter/src/gestures/arena.dart:249:31)
E/flutter ( 9850): #20 _microtaskLoop (dart:async/schedule_microtask.dart:40:21)
E/flutter ( 9850): #21 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49:5)`

[rainyl]

v1.2.4 has been published, now please upgrade to v1.2.4 to use it, remember to run flutter clean

[rainyl]

Also, if you have any new problems, feel free to reopen this issue.