Android Open Source - planets G L E S20 Activity

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From Project

Back to project page planets.

License

The source code is released under:

GNU General Public License

Java Source Code

package se.liu.lysator.dahlberg.planets;
//from ww  w. j  a v a2  s  .  c  o  m
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;
import android.view.WindowManager;

public class GLES20Activity extends Activity {

  private GLSurfaceView surfaceView;
  private GLSurfaceView glView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
        WindowManager.LayoutParams.FLAG_FULLSCREEN);

    if (hasGLES20()) {
      glView = new GLSurfaceView(this);
      glView.setEGLContextClientVersion(2);
      glView.setPreserveEGLContextOnPause(true);
      glView.setRenderer(new GLES20Renderer());
    } else {
      // Time to get a new phone, OpenGL ES 2.0 not
      // supported.
    }

    setContentView(glView);
  }

  private boolean hasGLES20() {
    ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
    ConfigurationInfo info = am.getDeviceConfigurationInfo();
    return info.reqGlEsVersion >= 0x20000;
  }

  @Override
  protected void onResume() {
    super.onResume();
    /*
     * The activity must call the GL surface view's onResume() on activity
     * onResume().
     */
    if (surfaceView != null) {
      surfaceView.onResume();
    }
  }

  @Override
  protected void onPause() {
    super.onPause();

    /*
     * The activity must call the GL surface view's onPause() on activity
     * onPause().
     */
    if (surfaceView != null) {
      surfaceView.onPause();
    }
  }
}

Java Source Code List

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