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Remove marker in google_maps_flutter


Remove marker in google_maps_flutter

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Remove marker in google_maps_flutter
Tag : google-maps , By : Nick Pegg
Date : November 29 2020, 01:01 AM

hope this fix your issue Use clearMarkers(). It will clear all markers in your map. So try googleMapController.clearMarkers();

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How to remove outline of marker/change marker style when using plot.scatter in pandas


Tag : python , By : Mr. Tacos
Date : March 29 2020, 07:55 AM
hope this fix your issue As docs for pandas.DataFrame.scatter say, we can pass optional keyword arguments to pandas.DataFrame.plot which in turn will pass some of them to a corresponding matplotlib plotting method, matplotlib.axes.Axes.scatter in your case.
So, for example, to eliminate the edges from the markers, and to change them to hexagons, you can write:
df.plot.scatter(x='Supply', 
                y='Demand', 
                alpha=0.2, 
                figsize=(6,6), 
                s=100, 
                linewidths=0.0,
                marker='h')

Problem with google_maps_flutter, marker onTap(){} doesn't work


Tag : google-maps , By : alexandruz
Date : March 29 2020, 07:55 AM
like below fixes the issue Save a reference of your BuildContext which is provided by the build method in a variable and pass that context variable to the Navigator.
class MapScreen extends StatefulWidget{
   ...
}

class MapScreenState extends State<MapScreen>{
  BuildContext _myContext;

  @override
  Widget build(BuildContext context) {
    _myContext = context;

    Marker servicioej= Marker(
      markerId: MarkerId('marker1'),
      position: LatLng(-32.3162695, -58.0949139),
      infoWindow: InfoWindow(
        title: 'Restaurante',
        onTap: () {
           Navigator.push(_myContext, MaterialPageRoute(builder: (context) => ServicioStateful()));
        }),
      icon: BitmapDescriptor.defaultMarkerWithHue(BitmapDescriptor.hueBlue),
    );

    return Scaffold(
      ...
    );
  }
}

Flutter - How to remove an individual google_maps_flutter ^0.5.21 marker?


Tag : ios , By : Andrew L.
Date : March 29 2020, 07:55 AM
Hope this helps I assume somewhere in your build() function you have the Google Maps widget:
GoogleMap(
  markers: _markers,
  ...
_markers.remove(_markers.firstWhere((Marker marker) => marker.markerId.value == title));
_markers.remove(_markers.firstWhere((Marker marker) => marker.markerId == MarkerId(title)));

Remove redundant markers and circles from google_maps_flutter


Tag : flutter , By : David Marchant
Date : March 29 2020, 07:55 AM
this will help I found out that it can be made by styling the map and removing unwanted parts away. You can also make some sick looking design too. Very useful.
Link:

How to create text inside marker with google_maps_flutter?


Tag : flutter , By : Gerhard Miller
Date : October 01 2020, 03:00 AM
This might help you This is a demo image of what I need. , I managed to solve with this method
Future<BitmapDescriptor> createCustomMarkerBitmap(String title) async {
        TextSpan span = new TextSpan(
          style: new TextStyle(
            color: Prefs.singleton().getTheme() == 'Dark'
                ? Colors.white
                : Colors.black,
            fontSize: 35.0,
            fontWeight: FontWeight.bold,
          ),
          text: title,
        );

        TextPainter tp = new TextPainter(
          text: span,
          textAlign: TextAlign.center,
          textDirection: TextDirection.ltr,
        );

        PictureRecorder recorder = new PictureRecorder();
        Canvas c = new Canvas(recorder);

        tp.layout();
        tp.paint(c, new Offset(20.0, 10.0));

        /* Do your painting of the custom icon here, including drawing text, shapes, etc. */

        Picture p = recorder.endRecording();
        ByteData pngBytes =
            await (await p.toImage(tp.width.toInt() + 40, tp.height.toInt() + 20))
                .toByteData(format: ImageByteFormat.png);

        Uint8List data = Uint8List.view(pngBytes.buffer);

        return BitmapDescriptor.fromBytes(data);
      }
BitmapDescriptor bitmapDescriptor = await createCustomMarkerBitmap(...);

Marker marker = Marker(
  /*  in addition to your other properties: */
  icon: bitmapDescriptor
);
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