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I was trying to do an app and I got stuck in retrieving the status of battery percentage, time, calendar, location, who is calling etc., and since indeed to continuously track the status of such things the polling logic is not a good idea. So, I was thinking to use the call back from the android OS whenever any changes occur in those conditions to my app, but I cannot find any relevant library file or API, neither a source to learn that.

I have gone through few android API classes.Even though these classes satisfy my needs, the application of these as far as I found are with polling approach which may drain the battery continuously. So I would like to use the call back approach. the api-classes I checked out are :

http://developer.android.com/reference/android/os/BatteryManager.html

http://www.codeproject.com/Articles/511455/Android-Phone-Status-Sample.html

Nikitha Reddy
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  • can u show ur effort – tod Feb 11 '15 at 14:39
  • I have gone through few android API classes.Even though these classes satisfy my needs, the application of these as far as we found are with polling approach may drain the battery continuously. So I would like to use the call back approach. the apis we checked out are : – Nikitha Reddy Feb 12 '15 at 07:09
  • These are links for android classes : http://developer.android.com/reference/android/os/BatteryManager.html http://developer.android.com/reference/android/provider/CalendarContract.CalendarAlerts.html http://developer.android.com/reference/android/telephony/CellLocation.html http://www.codeproject.com/Articles/511455/Android-Phone-Status-Sample – Nikitha Reddy Feb 12 '15 at 07:16
  • pls put this information into the question – tod Feb 12 '15 at 07:50

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