These days, using the power button to lock your Android seems a little old-fashioned. Thanks to third-party apps and mods, you could seamlessly lock your device using a double-tap, a swipe, and even gravity, or you could just throw it in your pocket, all of which help prevent additional wear and tear on your power button. Now, we’ve got another method for you—just shake.
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Step 1: Get Your Device Ready
Firstly, let’s ensure that your device is prepared. You will need to be running Android 4.0 (Jelly Bean) or higher. You’ll also need to be rooted, have the Xposed Framework installed… more
Sig Nordal 