Here Maps Package for Flutter

Ayush Bherwani

Last update: Dec 15, 2022

Related tags

Map hacktoberfest

Overview

here_maps_webservice

About

here_maps_webservice provides Here Maps Web Services API wrapper that serve different purposes from search, to geocoding.

Usage

Add here_maps_webserviceas a dependency in your pubspec.yaml

 dependencies:
  flutter:
    sdk: flutter
  here_maps_webservice: 1.0.2

Run flutter pub get in the terminal and import import 'package:here_maps_webservice/here_maps.dart'

Availabel APIs

Generate API KEY

Go to https://developer.here.com/ and create a new account if you don't have one. Create a new project and select Freemium Plan. Under the REST section of your project, click on Create API key.

Example

Nearby Places

    import 'package:here_maps_webservice/here_maps.dart';
    import 'package:location/location.dart' as l; 
    import 'package:flutter/services.dart';
    
    var currentLocation;
    var location = new l.Location();
    List<dynamic> _nearbyPlaces=[]; 

    try {
      currentLocation = await location.getLocation();
      }on PlatformException catch (error) {
      if (error.code == 'PERMISSION_DENIED') {
        print("Permission Dennied");
      }
    }
    
    HereMaps(apiKey: "your apiKey")
          .exploreNearbyPlaces( lat: currentLocation.latitude, lon: currentLocation.longitude,offset: 10)
          .then((response) {
              setState(() {
                  _nearbyPlaces.addAll(response['results']['items']);
              });
          });

Popular Places

    import 'package:here_maps_webservice/here_maps.dart';
    import 'package:location/location.dart' as l; 
    import 'package:flutter/services.dart';
    
    var currentLocation;
    var location = new l.Location();
    List<dynamic> _explorePopularPlace = []; 

    try {
      currentLocation = await location.getLocation();
      }on PlatformException catch (error) {
      if (error.code == 'PERMISSION_DENIED') {
        print("Permission Dennied");
      }
    }
    
    HereMaps(apiKey: "your apiKey")
          .explorePopularPlaces(
              lat: currentLocation.latitude,
              lon: currentLocation.longitude,
              offset: 10)
          .then((response) {
        setState(() {
          _explorePopularPlace.addAll(response['results']['items']);
        });
      });

Geocoding Autocomplete

     import 'package:here_maps_webservice/here_maps.dart';
     
     List<dynamic> _suggestion = [];
     
     HereMaps(apiKey: "your apiKey")
           .geoCodingAutoComplete(query: "YourQuery")
           .then((response) {
         setState(() {
           _suggestion.addAll(response['suggestions']);
         });
       });

Geocoding

    import 'package:here_maps_webservice/here_maps.dart';
    
    Map<String, dynamic> latLon = Map();
    
    HereMaps(apiKey: "your apiKey")
        .geoCode(searchText: _searchController.text)
        .then((response) {
      setState(() {
        latLon = response['Response']['View'][0]['Result'][0]['Location']
            ['DisplayPosition'];
      });
    });

Reverse Geocoding

    import 'package:here_maps_webservice/here_maps.dart';
    import 'package:location/location.dart' as l; 
    import 'package:flutter/services.dart';
    
    var currentLocation;
    var location = new l.Location();

    try {
      currentLocation = await location.getLocation();
      }on PlatformException catch (error) {
      if (error.code == 'PERMISSION_DENIED') {
        print("Permission Dennied");
      }
    }
    
    Map<String,dynamic> response = HereMaps(apiKey: "your apiKey")
      .reverseGeoCode(lat: currentLocation.latitude, lon: currentLocation.longitude)

TODO

Add all the parameters in the existing APIs
Add tests
Make Model class for exisitng APIs
Add routing APIs

Feature Requests and Issues

Please file feature requests and bugs at the issue tracker

Contributing

We would love to see you contribute to here_maps_webservice. Do check out our Contributing Guidelines.

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Comments

Plugin Update

Hi, I'm running into issues using this plugin as I have to downgrade several other plugins to run without error. Any chance this is getting updated soon. Mainly, I can't use Dio 4.0.0 which I need to solve an issue I'm having on the web. Using Dio 4 requires an additional 2 plugin updates and then it stops with Here_maps_webservice eventually being the failed plugin.

opened by jodymac 1
Conflict library

Hello,

Would like to use your library, but since you are using location library for your examples and I need this version : location: 3.2.4 I got the following error:

Because here_maps_webservice >=1.0.3 depends on location ^2.3.5 and v_tracking depends on location 3.2.4, here_maps_webservice >=1.0.3 is forbidden. So, because v_tracking depends on here_maps_webservice 1.0.3, version solving failed.

Here are used version: location: 3.2.4 here_maps_webservice: 1.0.3

Could you do anything please? Thank you!

opened by Miloune 1
Implicit Location Context

As stated in the Here documentation it is considered best practice to always send implicit location context to the REST Api.

Are you planning to add this to this library or is this already possible?

Source: https://developer.here.com/documentation/places/dev_guide/topics/location-contexts.html
enhancement

opened by Avejack 1
New feature request

Can you please try to add the map view/load a map scene to this package or release a new package alone for that. It would be very beneficial for newbies like me. Thank you.
duplicate enhancement

opened by gouthamravella 2