pickup.java

Google Android应用框架原理与程序设计 第三版(中文高清PDF)高焕堂

package com.misoo.ex01_02;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

public class pickup extends Activity {
	 
    public static final int ITEM_1_ID = Menu.FIRST;
    public static final int ITEM_2_ID = Menu.FIRST + 1;
    public static final int ITEM_3_ID = Menu.FIRST + 2;

    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);
    }
	@Override
	 public boolean onCreateOptionsMenu(Menu menu) {
	        super.onCreateOptionsMenu(menu);
	        menu.add(0, ITEM_1_ID, 0, "item-1");
	        menu.add(0, ITEM_2_ID, 1, "item-2");
	        menu.add(0, ITEM_3_ID, 2, "item-3");
	        return true;
	 }
	 @Override
	    public boolean onOptionsItemSelected(MenuItem item) {
		    Bundle bundle = new Bundle();
		    bundle.putString("DataKey", item.getTitle().toString());
		    Intent mIntent = new Intent();
		    mIntent.putExtras(bundle);
		    setResult(RESULT_OK, mIntent);
		    finish();
	        return super.onOptionsItemSelected(item);
	    }
}