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plugins/org.apache.cordova.device/docs/device.uuid.md
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plugins/org.apache.cordova.device/docs/device.uuid.md
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---
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license: Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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---
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device.uuid
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===========
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Get the device's Universally Unique Identifier ([UUID](http://en.wikipedia.org/wiki/Universally_Unique_Identifier)).
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var string = device.uuid;
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Description
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-----------
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The details of how a UUID is generated are determined by the device manufacturer and are specific to the device's platform or model.
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Supported Platforms
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-------------------
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- Android
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- BlackBerry WebWorks (OS 5.0 and higher)
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- iOS
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- Windows Phone 7 and 8
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- Bada 1.2 & 2.x
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- webOS
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- Tizen
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- Windows 8
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Quick Example
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-------------
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// Android: Returns a random 64-bit integer (as a string, again!)
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// The integer is generated on the device's first boot
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//
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// BlackBerry: Returns the PIN number of the device
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// This is a nine-digit unique integer (as a string, though!)
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//
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// iPhone: (Paraphrased from the UIDevice Class documentation)
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// Returns a string of hash values created from multiple hardware identifies.
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// It is guaranteed to be unique for every device and cannot be tied
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// to the user account.
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// Windows Phone 7 : Returns a hash of device+current user,
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// if the user is not defined, a guid is generated and will persist until the app is uninstalled
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//
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// webOS: returns the device NDUID
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//
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// Tizen: returns the device IMEI (International Mobile Equipment Identity or IMEI is a number
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// unique to every GSM and UMTS mobile phone.
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var deviceID = device.uuid;
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Full Example
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------------
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<!DOCTYPE html>
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<html>
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<head>
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<title>Device Properties Example</title>
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<script type="text/javascript" charset="utf-8" src="cordova-x.x.x.js"></script>
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<script type="text/javascript" charset="utf-8">
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// Wait for device API libraries to load
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//
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document.addEventListener("deviceready", onDeviceReady, false);
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// device APIs are available
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//
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function onDeviceReady() {
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var element = document.getElementById('deviceProperties');
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element.innerHTML = 'Device Name: ' + device.name + '<br />' +
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'Device Cordova: ' + device.cordova + '<br />' +
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'Device Platform: ' + device.platform + '<br />' +
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'Device UUID: ' + device.uuid + '<br />' +
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'Device Version: ' + device.version + '<br />';
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}
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</script>
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</head>
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<body>
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<p id="deviceProperties">Loading device properties...</p>
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</body>
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</html>
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iOS Quirk
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-------------
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The `uuid` on iOS is not unique to a device, but varies for each
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application, for each installation. It changes if you delete and
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re-install the app, and possibly also when you upgrade iOS, or even
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upgrade your app per version (apparent in iOS 5.1). The `uuid` is not
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a reliable value.
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Windows Phone 7 and 8 Quirks
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-------------
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The `uuid` for Windows Phone 7 requires the permission
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`ID_CAP_IDENTITY_DEVICE`. Microsoft will likely deprecate this
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property soon. If the capability is not available, the application
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generates a persistent guid that is maintained for the duration of the
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application's installation on the device.
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