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outdatedDart 1 only

A Flutter plugin for location with Callbacks.

example/lib/main.dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:location/location.dart';

void main() {
  runApp(new MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => new _MyAppState();
}

class _MyAppState extends State<MyApp> {
  Map<String, double> _currentLocation;
  StreamSubscription<Map<String, double>> _locationSubscription;

  Location _location = new Location();
  String error;

  bool currentWidget = true;

  Image image1;

  @override
  void initState() {
    super.initState();

    initPlatformState();

    _locationSubscription =
        _location.onLocationChanged.listen((Map<String,double> result) {
          setState(() {
            _currentLocation = result;
          });
        });
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  initPlatformState() async {
    Map<String, double> location;
    // Platform messages may fail, so we use a try/catch PlatformException.

    try {
      location = await _location.getLocation;
      error = null;
    } on PlatformException catch (e) {
      if (e.code == 'PERMISSION_DENIED') {
        error = 'Permission denied';
      } else if (e.code == 'PERMISSION_DENIED_NEVER_ASK') {
        error = 'Permission denied - please ask the user to enable it from the app settings';
      }

      location = null;
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _currentLocation = location;
    });
  }

  @override
  Widget build(BuildContext context) {
    List<Widget> widgets;

    if (_currentLocation == null) {
      widgets = new List();
    } else {
      widgets = [
        new Image.network(
            "https://maps.googleapis.com/maps/api/staticmap?center=${_currentLocation["latitude"]},${_currentLocation["longitude"]}&zoom=18&size=640x400&key=YOUR_API_KEY")
      ];
    }

    widgets.add(new Center(
        child: new Text(_currentLocation != null
            ? '$_currentLocation\n'
            : 'Error: $error\n')));

    return new MaterialApp(
        home: new Scaffold(
            appBar: new AppBar(
              title: new Text('Plugin example app'),
            ),
            body: new Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              mainAxisSize: MainAxisSize.min,
              children: widgets,
            )));
  }
}
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Publisher

verified publisherbernos.dev

A Flutter plugin for location with Callbacks.

Repository (GitHub)
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License

unknown (LICENSE)

Dependencies

flutter

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