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How to access the battery level and ring an alarm automatically in your Android App? - complete code - YouTube
GitHub - iobeam/sample-android-battery-data: Basic Android sample app using the Iobeam Java client library.
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Amazon.com : Eyoyo 1D Bluetooth Barcode Scanner Wireless, Back Clip Phone UPC USB Bar Code Reader with Battery Level Indicator Compatible with 4.7"-7.2" Android Phone, iPhone for Warehouse Book Library Inventory :
![Android Development - News, Example, tutorial, Source Code : Android Battery Management API : Getting Battery Level and monitoring/determining its state programmatically using Battery Receiver Android Development - News, Example, tutorial, Source Code : Android Battery Management API : Getting Battery Level and monitoring/determining its state programmatically using Battery Receiver](http://4.bp.blogspot.com/-dVuzLa8Ic44/UiReNKc2RUI/AAAAAAAAAm0/57ZyiUAIMnQ/s1600/Screenshot_2013-09-02-14-04-43.png)