title: Android Exception trying to open a new Activity - Surface::lock failed, already locked
body: <p>When I try to open a new activity on a button press i get an Exception :</p>
  
  <pre><code>01-19 14:55:08.327: E/Surface(15454): Surface::lock failed, already locked
  01-19 14:55:08.327: E/SurfaceHolder(15454): Exception locking surface
  01-19 14:55:08.327: E/SurfaceHolder(15454): java.lang.IllegalArgumentException
  </code></pre>
  
  <p>I have a game that draws on a surfaceview canvas with a thread, that runs with the main process, I'm trying to open a new dialog box for input and nothing worked so I'm simply trying to open a new Activity that will Exception, I'm using the lock and unlock and well synchronized, I tried stopping the thread and even placing a couple of views.
  Any help is good Thanks.</p>