Get the most out of your phone, by controlling it when it's in your pocket!

Knock once, twice, or three times to perform an action! Skip music, ignore calls, and hear the time, all with a simple knock! Based on what's currently happening (phone call, music, etc), Knock will automatically determine the action to perform.

You can additionally define what each action does, and customize Knock to your liking. The service will continue running in the background even if you kill the application - so be sure to turn it off within the application if you don't want it running!

The application will be available on the Play Store within a few hours at: https://play.google.com/store/apps/details?id=com.hacklightly.knockapp.knock

In the meantime, you can download the .apk format to your Android Phone from: https://dl.dropboxusercontent.com/u/25847412/knock-release.apk

Current supported Music Players: Google Play Music

DISCLAIMER: The firmware on some phones will disable the accelerometer when the screen is off, thus disabling knock detection. We apologize if this is the case, as there is no known workaround. Please use the "Knock Demo" segment of the application, or leave the screen on (can be locked, but not off) for the service to work accurately.

Created by Sameer Chitley, Geoffrey Yu and Jami Boy Mohammad. Hack Lightly

HackWATERLOO 2014


NOTE TO JUDGES: All of us are Software Engineering students, and would like to enter for both the Engineering Society Award and the Computer Science Award, as we are members of both faculties.

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