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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

geolocation.clearWatch

Stop watching for changes to the device's location referenced by the watchID parameter.

navigator.geolocation.clearWatch(watchID);

Parameters

  • watchID: The id of the watchPosition interval to clear. (String)

Description

The geolocation.clearWatch stops watching changes to the device's location by clearing the [geolocation.watchPosition](geolocation.watchPosition.html) referenced by watchID.

Supported Platforms

  • Android
  • BlackBerry WebWorks (OS 5.0 and higher)
  • iOS
  • Tizen
  • Windows Phone 7 and 8
  • Windows 8

Quick Example

// Options: watch for changes in position, and use the most
// accurate position acquisition method available.
//
var watchID = navigator.geolocation.watchPosition(onSuccess, onError, { enableHighAccuracy: true });

// ...later on...

navigator.geolocation.clearWatch(watchID);

Full Example

<!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>
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