Question

does anybody knows if there is a workaround for using long touch with DotNet MAUI? In my legacy app build with Xamarin, i was using xct:TouchEffect.LongPressCommand.

就我所知,在MAUI社区工具包中有一种主人,但此时此刻这套工具并不可行。

Maybe using EventToCommandBehaviour? What will be the name of the event if i use this?

Is there a way to extend for exemple ImageHandler with propertyMapper and CommandMapper to achieve this goal? Maybe someone has an other idea? Thanks by advance for any suggestion ?

Answer 1

与Net MAUI有长期接触效应,有关于Github的建议,将这种影响列入MAUI 社区工具包。根据最新消息,很快将执行。

作为替代工作,你可以设法找到MAUI控制手,然后获得<代码>handler.Platform。观点是本土控制。之后,你可以援引本土控制方法,并赞同诸如姿态活动等本土控制活动,见 .NET MAUI与操作员控制 ,并提及以下守则:

www.un.org/Depts/DGACM/index_spanish.htm a. 用地图仪进行控制(在图像控制方面有效):

 Microsoft.Maui.Handlers.ImageHandler.Mapper.AppendToMapping("MyCustomization", (handler, view) =>  
{  
#if WINDOWS  
            handler.PlatformView.Holding += PlatformView_Holding;  
  
#endif  
#if ANDROID  
            handler.PlatformView.LongClick += PlatformView_LongClick;  
  
#endif  
#if IOS  
  
            handler.PlatformView.UserInteractionEnabled = true;  
            handler.PlatformView.AddGestureRecognizer(new UILongPressGestureRecognizer(HandleLongClick));  
#endif  
});

www.un.org/Depts/DGACM/index_spanish.htm 执行每个平台的长期新闻活动:

#if WINDOWS  
    private void PlatformView_Holding(object sender, Microsoft.UI.Xaml.Input.HoldingRoutedEventArgs e)  
    {  
        //Touch can produce a Holding action, but mouse devices generally can t.  
        //see https://learn.microsoft.com/en-us/uwp/api/windows.ui.xaml.uielement.holding?view=winrt-22621  
    }  
#endif  
#if IOS  
    private void HandleLongClick(UILongPressGestureRecognizer sender)  
    {  
        //raise longpress event 
    }  
#endif  
#if ANDROID  
    private void PlatformView_LongClick(object sender, Android.Views.View.LongClickEventArgs e)  
    {  
        //raise longpress event 
    }  
#endif

参考资料:https://learn.microsoft.com/en-us/answers/questions/90059/8long-press-in-net-maui

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