Xposed module brings Knock Code device unlock to non-LG phones

June 3, 2014
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LG’s Knock Code functionality has been popular lately, we’ve even dedicated a full feature focus video for it. The feature is something many of us would like on our other Android devices. Thanks to a new Xposed module over in the XDA forums, you can now use Knock Code to unlock your device.

The Knock On-style functionality of this Xposed module has its limitations. For starters, it only operates on the device lock screen, for the purpose of unlocking the device. No word if they’ll be adding the ability to launch apps. It currently only works on Android 4.4, and will never be made to work on devices pre-4.2. Lastly, unlike LG’s original Knock functions, the Xposed module will not work with your screen turned off.

Should you use Knock Code to unlock your device?

There are different schools of thought on the security benefits and disadvantages of using a Knock Code as a means to secure your Android device. In the end, Knock Code uses a simple 2 x 2 grid, within which you assign a tap configuration to unlock your device. To my mind, this essentially restricts you to the characters 1, 2, 3 and 4 to create a secure pass code, which would require a significant length before becoming unguessable.

Knock Code Xposed Module

Another important item to be aware of, the Xposed module requires the file containing your specified knock code to be readable by any app on your device. Developer MohammadAG assures us that the file is encrypted, but that only offers so much security these days.

In conclusion, Knock Code functionality using this Xposed module brings a very cool feature to your Android device. However, like some other device unlocking techniques, this may just be a passing fad, a novelty to show off to your friends running iOS 8, with their new widgets and all that.

This module has been floating around for a bit, have any of you tried it out? Will you?

 

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