license: Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing,
     software distributed under the License is distributed on an
     "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     KIND, either express or implied.  See the License for the
     specific language governing permissions and limitations

under the License.

geolocation.clearWatch

Smettere di guardare per le modifiche alla posizione del dispositivo a cui fa riferimento la watchID parametro.

navigator.geolocation.clearWatch(watchID);

Parametri

  • watchID: l'id del watchPosition intervallo per cancellare. (String)

Descrizione

Il geolocation.clearWatch si ferma a guardare i cambiamenti di posizione del dispositivo deselezionando il geolocation.watchPosition fanno riferimentowatchID.

Piattaforme supportate

  • Android
  • BlackBerry WebWorks (OS 5.0 e superiori)
  • iOS
  • Tizen
  • Windows Phone 7 e 8
  • Windows 8

Esempio rapido

/ / Opzioni: guardare per cambiamenti di posizione e utilizzare più / / preciso metodo di acquisizione disponibile position.
//
var watchID = navigator.geolocation.watchPosition(onSuccess, onError, { enableHighAccuracy: true });

// ...later on...

navigator.geolocation.clearWatch(watchID);

Esempio completo

<!DOCTYPE html>
<html>
  <head>
    <title>Device Properties Example</title>

    <script type="text/javascript" charset="utf-8" src="cordova.js"></script>
    <script type="text/javascript" charset="utf-8">

    // Wait for device API libraries to load
    //
    document.addEventListener("deviceready", onDeviceReady, false);

    var watchID = null;

    // device APIs are available
    //
    function onDeviceReady() {
        // Get the most accurate position updates available on the
        // device.
        var options = { enableHighAccuracy: true };
        watchID = navigator.geolocation.watchPosition(onSuccess, onError, options);
    }

    // onSuccess Geolocation
    //
    function onSuccess(position) {
        var element = document.getElementById('geolocation');
        element.innerHTML = 'Latitude: '  + position.coords.latitude      + '<br />' +
                            'Longitude: ' + position.coords.longitude     + '<br />' +
                            '<hr />'      + element.innerHTML;
    }

    // clear the watch that was started earlier
    //
    function clearWatch() {
        if (watchID != null) {
            navigator.geolocation.clearWatch(watchID);
            watchID = null;
        }
    }

        // onError Callback receives a PositionError object
        //
        function onError(error) {
          alert('code: '    + error.code    + '\n' +
                'message: ' + error.message + '\n');
        }

    </script>
  </head>
  <body>
    <p id="geolocation">Watching geolocation...</p>
        <button onclick="clearWatch();">Clear Watch</button>
  </body>
</html>