| --- |
| 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. |
| |
| title: batterycritical |
| --- |
| |
| batterycritical |
| =========== |
| |
| This is an event that fires when a PhoneGap application detects the battery has reached the critical level threshold. |
| |
| window.addEventListener("batterycritical", yourCallbackFunction, false); |
| |
| Details |
| ------- |
| |
| This event that fires when a PhoneGap application detects the percentage of battery has reached the critical battery threshold. This value is device specific. |
| |
| The batterycritical handler will be called with an object that contains two properties: |
| |
| - __level:__ The percentage of battery (0-100). _(Number)_ |
| - __isPlugged:__ A boolean that represents whether or not the device is plugged in or not. _(Boolean)_ |
| |
| Typically, you will want to attach an event listener with `window.addEventListener` once you receive the PhoneGap '[deviceready](events.deviceready.html)' event. |
| |
| Supported Platforms |
| ------------------- |
| |
| - iOS |
| - Android |
| - BlackBerry WebWorks (OS 5.0 and higher) |
| |
| Quick [Example](../storage/storage.opendatabase.html) |
| ------------- |
| |
| window.addEventListener("batterycritical", onBatteryCritical, false); |
| |
| function onBatteryCritical(info) { |
| // Handle the battery critical event |
| alert("Battery Level Critical " + info.level + "%\nRecharge Soon!"); |
| } |
| |
| Full [Example](../storage/storage.opendatabase.html) |
| ------------ |
| |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>PhoneGap Device Ready Example</title> |
| |
| <script type="text/javascript" charset="utf-8" src="cordova-1.5.0.js"></script> |
| <script type="text/javascript" charset="utf-8"> |
| |
| // Call onDeviceReady when PhoneGap is loaded. |
| // |
| // At this point, the document has loaded but cordova-1.5.0.js has not. |
| // When PhoneGap is loaded and talking with the native device, |
| // it will call the event `deviceready`. |
| // |
| function onLoad() { |
| document.addEventListener("deviceready", onDeviceReady, false); |
| } |
| |
| // PhoneGap is loaded and it is now safe to make calls PhoneGap methods |
| // |
| function onDeviceReady() { |
| window.addEventListener("batterycritical", onBatteryCritical, false); |
| } |
| |
| // Handle the batterycritical event |
| // |
| function onBatteryCritical(info) { |
| alert("Battery Level Critical " + info.level + "%\nRecharge Soon!"); |
| } |
| |
| </script> |
| </head> |
| <body onload="onLoad()"> |
| </body> |
| </html> |
