GLActivity.java

package com.godoro.androidopengl;

import android.app.*;
import android.graphics.*;
import android.opengl.*;
import android.os.*;
import android.view.*;

public class GLActivity extends Activity {

    protected GLSurfaceView.Renderer renderer;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
    }

    public GLSurfaceView.Renderer getRenderer() {
        return renderer;
    }

    public void setRenderer(GLSurfaceView.Renderer renderer) {
        this.renderer = renderer;
        GLSurfaceView view = new GLSurfaceView(this);
        view.setRenderer(renderer);
        setContentView(view);
    }
    public Bitmap loadBitmapFromResource(int resourceId){
        return BitmapFactory.decodeResource(getResources(), resourceId);
    }
}