我试图在视图上实现LongClick功能和阅读其中提供了一些信息 mvvmcross touch command binding in androidmvvmcross自定义绑定到事件处理程序
不成功搜索:IMvxCommand在代码中如此假设,这可能是过期以下?所以我尽力而为,但无法获得任何LongClick功能 - 可能是由于对C#和事件处理程序的了解有限。我实现了以下功能,但不确定MvxRelayCommand的用法。
public class LongClickEventBinding: MvxBaseAndroidTargetBinding
{
private readonly View _view;
private MvxRelayCommand<JobJob> _command;
public LongClickEventBinding(View view)
{
_view = view;
_view.LongClick += ViewOnLongClick;
}
private void ViewOnLongClick(object sender, View.LongClickEventArgs eventArgs)
{
if (_command != null)
{
_command.Execute();
}
}
public override void SetValue(object value)
{
_command = (MvxRelayCommand<JobJob>)value;
}
protected override void Dispose(bool isDisposing)
{
if (isDisposing)
{
_view.LongClick -= ViewOnLongClick;
}
base.Dispose(isDisposing);
}
public override Type TargetType
{
get { return typeof(MvxRelayCommand<JobJob>); }
}
public override MvxBindingMode DefaultMode
{
get { return MvxBindingMode.OneWay; }
}
}
而且
protected override void FillTargetFactories(IMvxTargetBindingFactoryRegistry registry)
{
base.FillTargetFactories(registry);
registry.RegisterFactory(new MvxCustomBindingFactory<View>("LongClick", view => new LongClickEventBinding(view)));
}
而且
public ICommand JobSelectedCommand
{
get { return new MvxRelayCommand<JobJob>(NavigateToJobTasks); }
}
public void NavigateToJobTasks(JobJob jobJob)
{
RequestNavigate<JobTaskListViewModel>(new { key = jobJob.JobID });
}
而且
<Mvx.MvxBindableListView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
local:MvxBind="{'ItemsSource':{'Path':'GroupedList'},'LongClick':{'Path':'JobSelectedCommand'}}"
local:MvxItemTemplate="@layout/listitem_job_old"/>
然而,当我在列表项的仿真器和LongClick鼠标按钮运行的代码没有太大的反应。 执行以下操作需要在View
public event EventHandler<View.LongClickEventArgs> LongClick;
任何有助于实现/指针赞赏。
工作的指示。谢谢。 – Kern 2013-02-18 20:45:56