OptionMenu的套用代码

package com.example;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.view.View.OnClickListener;

public class openOptionMenu extends Activity implements OnClickListener {

	public static final int START_ID = Menu.FIRST;
	public static final int REARRARY_ID = Menu.FIRST + 1;
	public static final int END_ID = REARRARY_ID + 1;

	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		Button btn = (Button) findViewById(R.id.Button01);
		btn.setOnClickListener(this);
	}

	@Override
	public void onClick(View v) {
		// TODO Auto-generated method stub
		openOptionMenu.this.openOptionsMenu();

	}

	// 下述2个函数处理Menu按钮的事件
	public boolean onCreateOptionsMenu(Menu menu) {
		// TODO Auto-generated method stub
		menu.add(0, START_ID, 0, R.string.newgame);
		menu.add(0, REARRARY_ID, 0, R.string.rearrage);
		menu.add(0, END_ID, 0, R.string.exit);
		menu.add(0, START_ID, 0, R.string.newgame);
		menu.add(0, REARRARY_ID, 0, R.string.rearrage);
		menu.add(0, END_ID, 0, R.string.exit);
		return super.onCreateOptionsMenu(menu);
	}

	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case START_ID:
			Log.i("", "start");
			break;
		case REARRARY_ID:
			Log.i("", "rearrange");
			break;
		case END_ID:
			finish();
			break;
		default:
			break;
		}
		return super.onOptionsItemSelected(item);
	}

}