The Purdue team is now working to improve the tool so it can keep an eye on other functions on a phone to see which ones can be minimized to reduce the power they drain. Their objective is to make the battery last twice as long and are now looking at routine maintenance functions on an Android device that might also be causing battery drain. The invention of Hush has encouraged engineers to go ahead and carry out improvements such that the tool can also monitor other functions on an Android device that may be causing power drain. The initial version of Hush also does a much better job of handling the Wakelocks issue and policed apps that should have the permission to actually wake up the device and download updates. This has resulted in saving power by close to 50% and that is a very encouraging beginning indeed. They have come out with a tool called Hush that now allows apps – the most frequently used ones to check for updates only when the device has been switched off. This software bug as well as a problem in the control programming of Wakelocks contributed to the battery drain. They found that the battery drain when apps checked for updates was due to faulty programming that did not allow the device to return to sleep status once the checking was done. In an attempt to solve this issue, engineers at the Purdue University did an analysis of the consumption pattern of Android devices and they studied more than 2000 of them. When you also have apps that check for updates leading to more battery consumption, you have to be prepared to shed battery power quicker than you would have thought. The issue of apps that drain battery or hog too much memory space on an Android device has been an irksome one for quite some time.
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