Stop watching for changes to the device's location referenced by the watchID
parameter.
navigator.geolocation.clearWatch(watchID);
watchPosition
interval to clear. (String)Function geolocation.clearWatch
stops watching changes to the device's location by clearing the geolocation.watchPosition
referenced by watchID
.
// Options: retrieve the location every 3 seconds // var watchID = navigator.geolocation.watchPosition(onSuccess, onError, { frequency: 3000 }); // ...later on... navigator.geolocation.clearWatch(watchID);
<!DOCTYPE html> <html> <head> <title>Device Properties Example</title> <script type="text/javascript" charset="utf-8" src="phonegap.js"></script> <script type="text/javascript" charset="utf-8"> // Wait for PhoneGap to load // document.addEventListener("deviceready", onDeviceReady, false); var watchID = null; // PhoneGap is ready // function onDeviceReady() { // Update every 3 seconds var options = { frequency: 3000 }; 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>