title: Android Updating OpenGL onclick
body: <p>i have a GLSurfaceView, that has a texture that i need to change when i click on a button.
  How can i do this on android.
  I managed something with: </p>
  
  <pre><code>            Intent intent = getIntent();
              finish();
              startActivity(intent);
  </code></pre>
  
  <p>But i need to refresh only openGL and not the whole program</p>