public AddTouchPage()
{
InitializeComponent();
var recognizer = AddTouch.GetRecognizer(container);
recognizer.TouchBegin += (sender, e) => {
eventLabel.Text = "TouchBegin";
posXLabel.Text = $"X: {e.Location.X}";
posYLabel.Text = $"Y: {e.Location.Y}";
};
recognizer.TouchMove += (sender, e) => {
eventLabel.Text = "TouchMove";
posXLabel.Text = $"X: {e.Location.X}";
posYLabel.Text = $"Y: {e.Location.Y}";
};
recognizer.TouchEnd += (sender, e) => {
eventLabel.Text = "TouchEnd";
posXLabel.Text = $"X: {e.Location.X}";
posYLabel.Text = $"Y: {e.Location.Y}";
};
recognizer.TouchCancel += (sender, e) => {
eventLabel.Text = "TouchCancel";
posXLabel.Text = $"X: {e.Location.X}";
posYLabel.Text = $"Y: {e.Location.Y}";
};
}
public MainPage()
{
InitializeComponent();
var recognizer = AddTouch.GetRecognizer(container);
recognizer.TouchBegin += (sender, e) => {
Debug.WriteLine("TouchBegin");
};
recognizer.TouchMove += (sender, e) => {
Debug.WriteLine("TouchMove");
Debug.WriteLine($"X: {e.Location.X} Y:{e.Location.Y}");
};
recognizer.TouchEnd += (sender, e) => {
Debug.WriteLine("TouchEnd");
};
recognizer.TouchCancel += (sender, e) => {
Debug.WriteLine("TouchCancel");
};
}
protected override void OnAttached()
{
_view = Control ?? Container;
_recognizer = new TouchEffectGestureRecognizer(AddTouch.GetRecognizer(Element));
_view.AddGestureRecognizer(_recognizer);
}
protected override void OnAttachedOverride()
{
_viewRef = new WeakReference <Android.Views.View>(Control ?? Container);
_recognizer = AddTouch.GetRecognizer(Element);
if (_viewRef.TryGetTarget(out var view))
{
_context = view.Context;
view.Touch += _view_Touch;
}
}
protected override void OnAttached()
{
_viewRef = new WeakReference <Android.Views.View>(Control ?? Container);
if (Control is Android.Widget.ListView || Control is Android.Widget.ScrollView)
{
// Except ListView and ScrollView because of Raising Exception.
Device.BeginInvokeOnMainThread(() => AddTouch.SetOn(Element, false));
return;
}
_recognizer = AddTouch.GetRecognizer(Element);
if (_viewRef.TryGetTarget(out var view))
{
_context = view.Context;
view.Touch += _view_Touch;
}
}
