分享一个Android仿微信菜单使用C#和Java分别实现的实例

本篇是对安卓菜单使用编程方式实现，当然可以使用XML的方式完成同样的功能，基本Java和C#写法都是一致的，所以使用XML的方式在本篇中使用Java演示，需要注意的是，对于如果不是VS开发的话，那么资源文件名称必须以小写开头，否则会报错。

运行效果

C#实现

using Android.App;  using Android.OS;  using Android.Views;  using Android.Widget;  namespace MenuDemo  {    [Activity(Label = "@string/ApplicationName", MainLauncher = true, Icon = "@drawable/Icon")]    public class MainActivity : Activity    {      protected override void OnCreate(Bundle bundle)      {        base.OnCreate(bundle);          SetContentView(Resource.Layout.Main);        var iv = FindViewById<ImageView>(Resource.Id.iv);        iv.SetImageResource(Resource.Drawable.test);        RegisterForContextMenu(iv);      }      //与一个活动关联      public override bool OnCreateOptionsMenu(IMenu menu)      {        base.OnCreateOptionsMenu(menu);        const int menuItemId = Menu.First;        const int menuItemOrder = Menu.None;        const int munuItemText = Resource.String.menuItem1;        /*         * 第一个参数：组值         * 第二个参数：菜单唯一标示         * 第三个参数：顺序参数         * 第四个参数：文本         */        menu.Add(1, menuItemId, menuItemOrder, munuItemText);        menu.Add(2, menuItemId + 10, menuItemOrder + 1, "菜单2");        menu.Add(2, menuItemId + 20, menuItemOrder + 2, "菜单3" );        var subMenu = menu.AddSubMenu(0, menuItemId + 30, menuItemOrder + 3, "子菜单" );        subMenu.SetHeaderIcon(Resource.Drawable.more);        var subMenuItem1 = subMenu.Add(0, menuItemId + 40, menuItemOrder + 4,"子菜单-1" );        subMenuItem1.SetIcon(Resource.Drawable.more);        var subMenuItem2 = subMenu.Add(0, menuItemId + 50, menuItemOrder + 5,"子菜单-2" ).SetCheckable(true);        subMenuItem2.SetIcon(Resource.Drawable.blue);        subMenu.Add(0, menuItemId + 60, menuItemOrder + 6, "子菜单-3" ).SetCheckable(true);        return true;      }        public override bool OnOptionsItemSelected(IMenuItem item)      {        Toast.MakeText(this, "当前菜单编号" + item.ItemId, ToastLength.Long).Show();        return base.OnOptionsItemSelected(item);      }      public override void OnCreateContextMenu(IContextMenu menu, View v, IContextMenuContextMenuInfo menuInfo)      {        base.OnCreateContextMenu(menu, v, menuInfo);        menu.SetHeaderTitle("上下文菜单");        menu.SetHeaderIcon(Resource.Drawable.blue);        menu.Add(0, Menu.First, Menu.None, "菜单1");        menu.Add(0, Menu.First+1,Menu.None, "菜单2").SetShortcut('2','B');        menu.Add(0, Menu.First + 2, Menu.None, "菜单3");        var subMenu = menu.AddSubMenu("子菜单");        subMenu.Add("子菜单选项");      }    }  }

Layout

<?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:minWidth="25px"    android:minHeight="25px">    <ImageView      android:layout_width="fill_parent"      android:layout_height="wrap_content"      android:id="@+id/iv" />  </LinearLayout>

运行效果

Java实现

package com.example.halower.menudemo;    import android.app.Activity;  import android.os.Bundle;  import android.view.ContextMenu;  import android.view.MenuInflater;  import android.view.View;  import android.widget.ImageView;    public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {      super.onCreate(savedInstanceState);      setContentView(R.layout.activity_main);      ImageView iv=(ImageView)findViewById(R.id.iamgeView);      iv.setImageResource(R.drawable.test);      registerForContextMenu(iv);    }      @Override    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {      super.onCreateContextMenu(menu, v, menuInfo);      MenuInflater inflater=new MenuInflater(this);      inflater.inflate(R.menu.menu_main,menu);      menu.setHeaderIcon(R.drawable.blue);      menu.setHeaderTitle(R.string.menuTitle);    }  }

Layout

<?xml version="1.0" encoding="utf-8"?>  <resources>      <string name="app_name">MenuDemo</string>    <string name="action_settings">Settings</string>    <string name="item1Name" >菜单1</string>    <string name="item2Name" >菜单2</string>    <string name="item3Name" >菜单3--More</string>    <string name="item4Name" >菜单4</string>    <string name="menuTitle">XML中解析菜单</string>    <string name="subitem1Name">子菜单1</string>    <string name="subitem2Name">子菜单2</string>  </resources>

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