搭建libgdx环境

package com.hyl.libgdx;

import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;

public class FirstGame implements ApplicationListener{

	//绘图用的SpriteBatch    
	private SpriteBatch batch;    
	@Override    
	public void create() {    
	batch = new SpriteBatch(); //实例化    
	}    
	@Override    
	public void dispose() {    
	// TODO Auto-generated method stub    
	}    
	@Override    
	public void pause() {    
	// TODO Auto-generated method stub    
	}    
	@Override    
	public void render() {    
	Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); //清屏    
	batch.begin();    
	batch.end();    
	}    
	@Override    
	public void resize(int width, int height) {    
	// TODO Auto-generated method stub    
	}    
	@Override    
	public void resume() {    
	// TODO Auto-generated method stub    
	} 

}

package com.hyl.libgdx;

import com.badlogic.gdx.backends.android.AndroidApplication;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;

public class MainActivity extends AndroidApplication {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		initialize(new FirstGame(), false);
	}
}