dart analyzer error: argument_type_not

TrackPoint tp Type: TrackPoint

The argument type 'TrackPoint (where TrackPoint is defined in ...lib\trackpoint.dart)' can't be assigned to the parameter type 'TrackPoint (where TrackPoint is defined in ...lib\trackPoint.dart)'.dart (argument_type_not_assignable) trackpoint.dart(8, 7): TrackPoint is defined in ...lib\trackpoint.dart trackPoint.dart(8, 7): TrackPoint is defined in ...lib\trackPoint.dart

Here is where the error is:

import 'trackpoint.dart' show TrackPoint;

class TrackingStatus {

    // ...

    static void _triggerEvent(TrackPoint tp) {
        // ...
        TrackingStatusChangedEvent.trigger(tp); // <-- error on tp, see above
    }

Here is what causes the error:

class TrackingStatusChangedEvent {


static void trigger(TrackPoint tp) { // <-- causes error
  // ...
}

static void trigger(tp) { // <-- works but tp should not be dynamic
  // ...
}

Here is where TrackPoint comes from:


class TrackPoint {
  static final List<TrackPoint> _trackPoints = [];



void _addTrackPoint() {
    _trackPoints.add(this);

argument_type_not_assignable is not reasonable for me. Especially because the error message points to the same class in the same file as if they are something different

CodePudding user response：

I recommend just using prefixes for library import. See below.

import 'trackpoint.dart' as tp;

Then use it like this.

class TrackPoint {
  static final List<tp.TrackPoint> _trackPoints = [];



void _addTrackPoint() {
    _trackPoints.add(this);

CodePudding user response：

Putting class TrackPoint and class TrackingStatus the same file solved the problem. May be it was a cross loading issue.

Thanks for your help anyway!