title: Choreographer: Skipped 127 frames! The application may be doing too much work on its main thread
body: <p>I am trying to display an image for 7 seconds and hiding  it. But when I run my application its showing skipped 127 frames the application may be doing too much work on its main thread. How can I remove this error ? This is my code
  // Copyright 2007-2014 metaio GmbH. All rights reserved.
      package com.donseenu.two;</p>
  
  <pre><code>import android.content.Intent;
  import android.net.Uri;
  import android.util.Log;
  import android.view.View;
  import android.widget.ImageView;
  
  import com.metaio.sdk.ARViewActivity;
  import com.metaio.sdk.MetaioDebug;
   import com.metaio.sdk.jni.IGeometry;
  import com.metaio.sdk.jni.IMetaioSDKCallback;
  import com.metaio.tools.io.AssetsManager;
  
  
  public class Template extends ARViewActivity 
  {
  
  @Override
  protected int getGUILayout() 
  {
      // Attaching layout to the activity
  
  
  
      return R.layout.tutorial_hello_world; 
  }
  
  
  public void onButtonClick(View v)
  {
      finish();
  }
  
  
  
  
  
  
  
  @Override
  protected void loadContents() 
  {
  
  
       this.runOnUiThread(new Runnable() {
              @Override
              public void run() {
  
  
                      try{
                        Thread.sleep(7000);
                      }
                      catch(Exception e)
                      {
                      }
  
  
  
                      ImageView image = (ImageView)findViewById(R.id.remove);
                  image.setVisibility(View.GONE);
  
              }
          });
  
  
  
  
  
  
      try
      {
          // Getting a file path for tracking configuration XML file
          String trackingConfigFile = AssetsManager.getAssetPath(getApplicationContext(), "TrackingData_MarkerlessFast.xml");
  
          // Assigning tracking configuration
          boolean result = metaioSDK.setTrackingConfiguration(trackingConfigFile); 
          MetaioDebug.log("Tracking data loaded: " + result); 
  
          // Getting a file path for a 3D geometry
          String metaioManModel = AssetsManager.getAssetPath(getApplicationContext(), "augmented_city.obj");          
          if (metaioManModel != null) 
          {
              // Loading 3D geometry
              IGeometry geometry = metaioSDK.createGeometry(metaioManModel);
              if (geometry != null) 
              {
                  // Set geometry properties
                  geometry.setScale(4f);
              }
              else
                  MetaioDebug.log(Log.ERROR, "Error loading geometry: "+metaioManModel);
          }
  
  
      }
      catch (Exception e)
      {
          MetaioDebug.printStackTrace(Log.ERROR, e);
      }
  }
  
  
  @Override
  protected void onGeometryTouched(IGeometry geometry)
  {
      // Not used in this tutorial
  }
  
  
  @Override
  protected IMetaioSDKCallback getMetaioSDKCallbackHandler()
  {
      // No callbacks needed in this tutorial
      return null;
  }   
  }
  </code></pre>