title: Android - detect gesture across entire device
body: <p>I found some methods to launch an application by putting button on top of entire device. This should be available even if the application is not in main activity.</p>
  
  <ul>
  <li><a href="https://stackoverflow.com/questions/11975865/gesture-listener-across-entire-device">Gesture Listener across entire device</a></li>
  <li><a href="https://stackoverflow.com/questions/4481226/creating-a-system-overlay-window-always-on-top">Creating a system overlay window (always on top)</a></li>
  </ul>
  
  <p>I wanna do little a different <strong>launch an application by specific gestures</strong>, (e.g. swipe gesture starting from bezel) without putting layouts or buttons on top of screen.</p>
  
  <p>Is there any suggestions?</p>