title: startup qt app in wayland weston
body: <p>I use wayland weston and qt 5.6.2 in my arm board and start my app with bellow commands</p>
  
  <pre><code>openvt -s -- weston --backend=fbdev-backend.so --idle-time=0
  /root/myapp -platform wayland-egl
  </code></pre>
  
  <p>but before my app starts, it shown weston shell.I need to start my qt app at startup without showing weston shell, is it possible?</p>