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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(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”);
}
}
}
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