[英]Geolocation with Ionic
我必须开发一个可以创建地图并在自己的位置上做标记的应用程序。 我使用以下代码创建地图:
的HTML
....
<body ng-app="starter">
<ion-pane>
<ion-header-bar class="bar-stable">
<h1 class="title">Ionic Blank Starter</h1>
</ion-header-bar>
<ion-content ng-controller="MapCtrl">
<div id="map" data-tap-disabled="true"></div>
</ion-content>
</ion-pane>
...
JAVASCRIPT
angular.module('starter', ['ionic'])
.run(function($ionicPlatform) {
$ionicPlatform.ready(function() {
// Hide the accessory bar by default (remove this to show the accessory bar above the keyboard
// for form inputs)
if(window.cordova && window.cordova.plugins.Keyboard) {
cordova.plugins.Keyboard.hideKeyboardAccessoryBar(true);
}
if(window.StatusBar) {
StatusBar.styleDefault();
}
});
})
.controller('MapCtrl', function($scope, $ionicLoading, $compile) {
function initialise() {
var myLatlng = new google.maps.LatLng(53.068165,-4.076803);
var mapOptions = {
zoom: 15,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
}
var map = new google.maps.Map(document.getElementById('map'), mapOptions);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
});
$scope.map = map;
}
google.maps.event.addDomListener(window, 'load', initialise);
});
现在纬度和经度是静态的,我必须通过GPS获取mylat和mylng。 我怎样才能做到这一点? (我知道我必须使用cordova插件地理位置,但是我不知道如何使用)
您可以在此处找到详细的文档这是从文档中复制的一些突出显示的步骤
使用cordova plugin add org.apache.cordova.geolocation
命令添加插件,如果cordova版本<5,则cordova plugin add org.apache.cordova.geolocation
,否则cordova plugin add cordova-plugin-geolocation
在需要纬度和经度较长的navigator.geolocation.getCurrentPosition(onSuccess, onError);
脚本中进行此调用navigator.geolocation.getCurrentPosition(onSuccess, onError);
整个例子是这样的
// onSuccess Callback
// This method accepts a Position object, which contains the
// current GPS coordinates
//
var onSuccess = function(position) {
alert('Latitude: ' + position.coords.latitude + '\n' +
'Longitude: ' + position.coords.longitude + '\n' +
'Altitude: ' + position.coords.altitude + '\n' +
'Accuracy: ' + position.coords.accuracy + '\n' +
'Altitude Accuracy: ' + position.coords.altitudeAccuracy + '\n' +
'Heading: ' + position.coords.heading + '\n' +
'Speed: ' + position.coords.speed + '\n' +
'Timestamp: ' + position.timestamp + '\n');
};
// onError Callback receives a PositionError object
//
function onError(error) {
alert('code: ' + error.code + '\n' +
'message: ' + error.message + '\n');
}
navigator.geolocation.getCurrentPosition(onSuccess, onError);
您的控制器将如下所示:
.controller('MapCtrl', function($scope, $ionicLoading, $compile) {
function initialise() {
function onSuccess(position){
var myLatlng = new google.maps.LatLng(position.coords.latitude, position.coords.longitude);
var mapOptions = {
zoom: 15,
center: myLatlng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
}
var map = new google.maps.Map(document.getElementById('map'), mapOptions);
var marker = new google.maps.Marker({
position: myLatlng,
map: map,
});
$scope.map = map;
}
function onError(error){
alert('code: ' + error.code + '\n' +
'message: ' + error.message + '\n');
}
navigator.geolocation.getCurrentPosition(onSuccess, onError);
}
google.maps.event.addDomListener(window, 'load', initialise);
});
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