Android Open Source - opengl Main Activity

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License

The source code is released under:

Apache License

Java Source Code

package edu.cs4730.opengl2ex1;
/*  ww  w . ja va2s. c  om*/
import android.app.Activity;
import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.ConfigurationInfo;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.view.Window;

/*
 * This example use openGL v2.0  
 *   It creates a render, instead of extending the GLSurfaceView 
 *         see ex2 for and extended GLsurfaceView
 *         
 *   This code is based off of http://www.learnopengles.com/android-lesson-one-getting-started/
 *   
 *   Note, there is no xml layout for this example.  It's all done in onCreate and the render.
 *         
 */

public class MainActivity extends Activity {

  /** Hold a reference to our GLSurfaceView */
  private GLSurfaceView mGLSurfaceView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // Turn off the window's title bar
    requestWindowFeature(Window.FEATURE_NO_TITLE);

    super.onCreate(savedInstanceState);
    mGLSurfaceView = new GLSurfaceView(this);
    // Check if the system supports OpenGL ES 2.0.
    final ActivityManager activityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
    final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
    final boolean supportsEs2 = configurationInfo.reqGlEsVersion >= 0x20000;
    if (supportsEs2)
    {
      // Request an OpenGL ES 2.0 compatible context.
      mGLSurfaceView.setEGLContextClientVersion(2);
      // Set the renderer to our demo renderer, defined below.
      mGLSurfaceView.setRenderer(new LessonOneRenderer());
    }
    else
    {
      // This is where you could create an OpenGL ES 1.x compatible
      // renderer if you wanted to support both ES 1 and ES 2.
      return;
    }
    setContentView(mGLSurfaceView);
  }


  @Override
  protected void onResume(){
    // The activity must call the GL surface view's onResume() on activity onResume().
    super.onResume();
      mGLSurfaceView.onResume();
  }
  @Override
  protected void onPause()
  {
    // The activity must call the GL surface view's onPause() on activity onPause().
    super.onPause();
    //mGLSurfaceView.onPause();
  } 

}

Java Source Code List

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