public override bool HandleWidgetTouched(INavigator navigator, MPoint position)
{
var args = new HyperlinkWidgetArguments();
Touched?.Invoke(this, args);
return(args.Handled);
}
private void Pin_ValueChanged(object sender, GpioPinValueChangedEventArgs e)
{
if (e.Edge == GpioPinEdge.RisingEdge)
{
Touched?.Invoke();
}
else
{
Untouched?.Invoke();
}
}
/// <summary>
/// Toucheses the began.
/// </summary>
/// <param name="touches">Touches.</param>
/// <param name="evt">Evt.</param>
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
// Get the current touch
var touch = touches.AnyObject as UITouch;
if (touch != null)
{
Touched?.Invoke(this, new CGPoint(touch.LocationInView(WindowView).X, touch.LocationInView(WindowView).Y));
}
}
public void SendTouched(Xamarin.Forms.VisualElement visualElement, TouchEventArgs args)
{
Debug.WriteLine($"State {args.TouchState} on {visualElement.GetHashCode()} with {args.TouchPoints.Count} Fingers");
VisualStateManager.GoToState(visualElement, args.TouchState.ToString());
Touched?.Invoke(visualElement, args);
if (!(visualElement is View view))
{
return;
}
foreach (var gesture in view.GestureRecognizers.Where(x => x.Is <TouchGestureRecognizer>()))
{
var touchGesture = gesture as TouchGestureRecognizer;
touchGesture?.SendTouched(view, args);
}
}
private void OnTouched(BaseEventData eventData)
{
//If we are dragging, no touch event, we don't want conflicts, drag has more priority than touch
if (_isDragging)
{
return;
}
var input = eventData.currentInputModule.input;
if (input.touchSupported)
{
var touch = input.GetTouch(0);
Touched?.Invoke(new Vector2(touch.position.x / Screen.width, touch.position.y / Screen.height));
}
else
{
Touched?.Invoke(new Vector2(input.mousePosition.x / Screen.width, input.mousePosition.y / Screen.height));
}
}
public void RaiseTouched(bool down)
{
State = down ? CarButtonState.Down : CarButtonState.Up;
Touched?.Invoke(this, EventArgs.Empty);
}
public virtual void OnTouch(SKPoint point)
{
Touched?.Invoke(point);
}
// 启动后台任务。
// 后台任务负责监视 指纹中心 里面新到的 message
public static void Start(
CancellationToken token)
{
// App.CurrentApp.Speak("启动后台线程");
Base.Start((channel) =>
{
var result = channel.Object.GetState("");
if (result.Value == -1)
{
throw new Exception($"指纹中心当前处于 {result.ErrorCode} 状态({result.ErrorInfo})");
}
channel.Started = true;
channel.Object.EnableSendKey(false);
},
null,
(channel) =>
{
var result = channel.Object.GetMessage("");
if (result.Value == -1)
{
Base.TriggerSetError(result,
new SetErrorEventArgs {
Error = result.ErrorInfo
});
}
else
{
Base.TriggerSetError(result,
new SetErrorEventArgs {
Error = null
}); // 清除以前的报错
}
if (result.Value != -1 && result.Message == null)
{
// 状态转向 ok，需要补充触发一次
if (_state != "ok")
{
Touched?.Invoke(result, new TouchedEventArgs
{
Message = result.Message,
Quality = result.Quality,
ErrorOccur = result.Value == -1,
Result = result
});
}
// 没有消息的时候不用惊扰事件订阅者
_state = "ok";
}
else
{
if (result.Value == -1)
{
_state = "error";
}
else
{
_state = "ok";
}
// 注： result.Value == -1 的时候，SetError 也触发了，Touched 也触发了。
// 如果应用已经挂接了 SetError 事件，建议 Touched 里面可以忽略 result.Value == -1 的情况
Touched?.Invoke(result, new TouchedEventArgs
{
Message = result.Message,
Quality = result.Quality,
ErrorOccur = result.Value == -1,
Result = result
});
}
},
token);
}
private void TouchEffect_OnCompleted(object sender, TouchCompletedEventArgs e)
{
Touched?.Invoke(this, e);
TouchedCommand?.Execute(this);
}
protected void EmitTouched()
{
Touched?.Invoke(this, EventArgs.Empty);
}
public void SendTouched()
{
Touched?.Invoke(this, EventArgs.Empty);
}