context menu
android的菜单有三种:
Options Menu
Context Menu 当用户长久按住屏幕,即被注册显示上下文菜单的视图时显示的菜单 Submenu
- <?xml version="1.0" encoding="utf-8"?>
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:id="@+id/layout"
- android:layout_width="fill_parent" android:layout_height="fill_parent">
- <ListView android:id="@+id/lv_list" android:layout_width="wrap_content"
- android:layout_height="fill_parent">
- </ListView>
- </RelativeLayout>
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:id="@+id/layout" android:layout_width="fill_parent" android:layout_height="fill_parent"><ListView android:id="@+id/lv_list" android:layout_width="wrap_content"android:layout_height="fill_parent"></ListView> </RelativeLayout>
- <?xml version="1.0" encoding="utf-8"?>
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:id="@+id/layout"
- android:layout_width="fill_parent" android:layout_height="fill_parent">
- <TextView android:id="@+id/tv" android:layout_width="wrap_content"
- android:layout_height="fill_parent"
- android:textSize="20dip"
- >
- </TextView>
- </RelativeLayout>
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:id="@+id/layout"android:layout_width="fill_parent" android:layout_height="fill_parent"><TextView android:id="@+id/tv" android:layout_width="wrap_content"android:layout_height="fill_parent"android:textSize="20dip"></TextView> </RelativeLayout>
- <?xml version="1.0" encoding="utf-8"?>
- <menu xmlns:android="http://schemas.android.com/apk/res/android">
- <item android:id="@+id/new_game" android:title="新游戏" />
- <item android:id="@+id/help" android:title="寻求帮助" />
- <item android:id="@+id/addnew" android:title="添加新游戏" />
- <item android:id="@+id/delete" android:title="删除游戏" />
- </menu>
<?xml version="1.0" encoding="utf-8"?> <menu xmlns:android="http://schemas.android.com/apk/res/android"><item android:id="@+id/new_game" android:title="新游戏" /><item android:id="@+id/help" android:title="寻求帮助" /><item android:id="@+id/addnew" android:title="添加新游戏" /><item android:id="@+id/delete" android:title="删除游戏" /> </menu>
- package org.ynu.android;
- import java.util.ArrayList;
- import java.util.HashMap;
- import android.app.Activity;
- import android.os.Bundle;
- import android.view.ContextMenu;
- import android.view.ContextMenu.ContextMenuInfo;
- import android.view.Menu;
- import android.view.MenuInflater;
- import android.view.MenuItem;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.widget.AdapterView.AdapterContextMenuInfo;
- import android.widget.Button;
- import android.widget.ListView;
- import android.widget.SimpleAdapter;
- import android.widget.TextView;
- import android.widget.Toast;
- public class MenuActivity extends Activity {
- private ListView lv;
- /** Called when the activity is first created. */
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- //如定义了一个listview控件
- ArrayList<HashMap<String, String>> list = new ArrayList<HashMap<String,String>>();
- HashMap<String, String> map1 = new HashMap<String, String>();
- map1.put("item", "第一个菜单项");
- HashMap<String, String> map2 = new HashMap<String, String>();
- map2.put("item", "第二个菜单项");
- HashMap<String, String> map3 = new HashMap<String, String>();
- map3.put("item", "第三个菜单项");
- HashMap<String, String> map4 = new HashMap<String, String>();
- map4.put("item", "第四个菜单项");
- HashMap<String, String> map5 = new HashMap<String, String>();
- map5.put("item", "第五个菜单项");
- list.add(map1);
- list.add(map2);
- list.add(map3);
- list.add(map4);
- list.add(map5);
- //初始化该控件
- lv=(ListView)findViewById(R.id.lv_list);
- //定义适配器 参数为该显示信息用的布局文件 以及显示信息用的控件,这里是一个textview控件
- SimpleAdapter adapter = new SimpleAdapter(this, list, R.layout.item, new String[]{"item"}, new int[]{R.id.tv});
- lv.setAdapter(adapter);
- //注册上下文菜单显示用的view
- registerForContextMenu(this.lv);
- }
- //该方法在注册的view被被长按时创建该view的上下文菜单
- @Override
- public void onCreateContextMenu(ContextMenu menu, View v,
- ContextMenuInfo menuInfo) {
- // TODO Auto-generated method stub
- MenuInflater inflater = getMenuInflater();
- inflater.inflate(R.menu.menu, menu);
- super.onCreateContextMenu(menu, v, menuInfo);
- }
- //当菜单某个选项被点击时调用该方法
- @Override
- public boolean onContextItemSelected(MenuItem item) {
- // TODO Auto-generated method stub
- AdapterContextMenuInfo infor = (AdapterContextMenuInfo)item.getMenuInfo();
- switch(item.getItemId())
- {
- case R.id.help:
- Toast.makeText(this, "请求帮助", Toast.LENGTH_LONG).show();
- return true;
- case R.id.addnew:
- Toast.makeText(this, "添加新的", Toast.LENGTH_LONG).show();
- return true;
- case R.id.delete:
- Toast.makeText(this, "删除信息", Toast.LENGTH_LONG).show();
- return true;
- case R.id.new_game:
- Toast.makeText(this, "新游戏", Toast.LENGTH_LONG).show();
- return true;
- default:
- return super.onContextItemSelected(item);
- }
- }
- //当上下文菜单关闭时调用的方法
- @Override
- public void onContextMenuClosed(Menu menu) {
- // TODO Auto-generated method stub
- super.onContextMenuClosed(menu);
- }
- }
package org.ynu.android;import java.util.ArrayList;
import java.util.HashMap;import android.app.Activity;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;public class MenuActivity extends Activity {private ListView lv;/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);//如定义了一个listview控件ArrayList<HashMap<String, String>> list = new ArrayList<HashMap<String,String>>();HashMap<String, String> map1 = new HashMap<String, String>();map1.put("item", "第一个菜单项");HashMap<String, String> map2 = new HashMap<String, String>();map2.put("item", "第二个菜单项");HashMap<String, String> map3 = new HashMap<String, String>();map3.put("item", "第三个菜单项");HashMap<String, String> map4 = new HashMap<String, String>();map4.put("item", "第四个菜单项");HashMap<String, String> map5 = new HashMap<String, String>();map5.put("item", "第五个菜单项");list.add(map1);list.add(map2);list.add(map3);list.add(map4);list.add(map5);//初始化该控件lv=(ListView)findViewById(R.id.lv_list);//定义适配器 参数为该显示信息用的布局文件 以及显示信息用的控件,这里是一个textview控件SimpleAdapter adapter = new SimpleAdapter(this, list, R.layout.item, new String[]{"item"}, new int[]{R.id.tv});lv.setAdapter(adapter);//注册上下文菜单显示用的viewregisterForContextMenu(this.lv);}//该方法在注册的view被被长按时创建该view的上下文菜单@Overridepublic void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) {// TODO Auto-generated method stubMenuInflater inflater = getMenuInflater();inflater.inflate(R.menu.menu, menu);super.onCreateContextMenu(menu, v, menuInfo);}//当菜单某个选项被点击时调用该方法@Overridepublic boolean onContextItemSelected(MenuItem item) {// TODO Auto-generated method stubAdapterContextMenuInfo infor = (AdapterContextMenuInfo)item.getMenuInfo();switch(item.getItemId()){case R.id.help:Toast.makeText(this, "请求帮助", Toast.LENGTH_LONG).show();return true;case R.id.addnew:Toast.makeText(this, "添加新的", Toast.LENGTH_LONG).show();return true;case R.id.delete:Toast.makeText(this, "删除信息", Toast.LENGTH_LONG).show();return true;case R.id.new_game:Toast.makeText(this, "新游戏", Toast.LENGTH_LONG).show();return true;default:return super.onContextItemSelected(item);}}//当上下文菜单关闭时调用的方法@Overridepublic void onContextMenuClosed(Menu menu) {// TODO Auto-generated method stubsuper.onContextMenuClosed(menu);}}
context menu相关推荐
- ABAP:为Table Control创建Context Menu
1,创建一个GUI Status 在SE80中点击程序名,并点击右键的创建,找到GUI Status. 它与普通菜单栏的定义没什么不同,但是Status Type必须选择Context Menu,假设 ...
- 手机浏览器中屏蔽img的系统右键菜单context menu
我们知道通过oncontextmenu事件可以屏蔽浏览器右键菜单 $('img').on("contextmenu",function(E){E.preventDefault(); ...
- Tree Context Menu
Right click on a node to display context menu. My Documents Photos Program Files Intel Java Microsof ...
- Sublime text 3安装时,add to explorer context menu是什么意思?
上下文菜单(context menu),Windows操作系统中任何地方右击鼠标会出现俗称的"右键菜单",其实就是指上下文菜单.因为上下文菜单根据鼠标位置来判断弹出什么的菜单(如桌 ...
- sublime text 3安装-add to explorer context menu意思
sublime text 3安装-add to explorer context menu意思 正文 在sublime text 3安装完成之后,会出现 "add to explorer c ...
- Select: Maven-Update Project... from the project context menu or use Quick Fix. spark-MT line 1
Description Resource Path Location Type Project configuration is not up-to-date with pom.xml. Select ...
- 5.4 Android 的上下文菜单: Context Menu,registerForContextMenu(getListView())
Android 的上下文菜单: Context Menu,registerForContextMenu(getListView()) Android 的上下文菜单类似于 PC 上的右键菜单.当为一个视 ...
- Android 上下文菜单(Context Menu)
一.概述 Android中,上下文菜单是通过onLongClick(...)事件访问的.在事件触发后显示菜单项. 在使用上下文菜单时,通常在onCreate(...)方法中,先行注册上下文菜单.在实现 ...
- 上下文菜单Context Menu
Android的上下文菜单在概念上和PC软件的右键菜单类似.当一个视图注册到一个上下文菜单时,执行一个在该对象上的"长按"(按住不动差不多两秒钟)动作,将出现一个提供相关功能的浮动 ...
最新文章
- 2018-3-31 文章(ELM-Chinese-Brief)原文
- 笔记本电脑(Windows7)实现无线AP
- python描述器 触发事件_Python面向对象 - 描述器
- 腾讯的模板引擎---artTemplate
- Android编程获取网络连接状态(3G/Wifi)及调用网络配置界面
- 保持寄存器和输入寄存器的区别_串行移位寄存器74HC595
- fdisk 磁盘分区命令
- 音视频技术开发周刊 | 216
- 个人应用开发详记. (三)
- 理解卡夫卡的初学者指南
- Dll注入技术之驱动注入
- 论文查重软件检测报告怎么看?
- 打印机可以打印不能扫描怎么弄_惠普打印机可以复印不能扫描怎么操作
- doctrine2 mysql_doctrine2到底是个什么玩意
- 债券收益率建模(时间序列建模)时间序列相似度度量
- Unbuntu 安装 TeamViewer14
- 实验四 类和对象;类的继承和派生;多态性; 接口;构造器应用
- checkstyle 行内含有制表符tab,缩进符数量不正确
- 上传文件资料并生成缩略图
- Java---CountDownLatch