private void SetupUI()
{
nfloat screenHeight = UIScreen.MainScreen.Bounds.Height;
nfloat screenWidth = UIScreen.MainScreen.Bounds.Width;
nfloat heightRatio = screenHeight / _imageHeight;
nfloat widthRatio = screenWidth / _imageWidth;
UIScrollView scrollView = new UIScrollView()
{
TranslatesAutoresizingMaskIntoConstraints = false,
ScrollEnabled = true
};
scrollView.SizeToFit();
scrollView.ContentMode = UIViewContentMode.ScaleAspectFill;
View.AddSubview(scrollView);
View.AddConstraint(NSLayoutConstraint.Create(scrollView, NSLayoutAttribute.Left, NSLayoutRelation.Equal, View, NSLayoutAttribute.Left, 1, 0));
View.AddConstraint(NSLayoutConstraint.Create(scrollView, NSLayoutAttribute.Right, NSLayoutRelation.Equal, View, NSLayoutAttribute.Right, 1, 0));
View.AddConstraint(NSLayoutConstraint.Create(scrollView, NSLayoutAttribute.Top, NSLayoutRelation.Equal, View, NSLayoutAttribute.Top, 1, 0));
View.AddConstraint(NSLayoutConstraint.Create(scrollView, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, View, NSLayoutAttribute.Bottom, 1, 0));
View.BackgroundColor = Colors.BackgroundColor;
foreach (Line line in _recognition.Lines)
{
foreach (Word word in line.Words)
{
UIFont font = UIFont.FromName("Helvetica", ((word.BoundingBox[7] - word.BoundingBox[1]) / 3) + 1);
UITextField label = new UITextField()
{
BackgroundColor = UIColor.Clear,
TranslatesAutoresizingMaskIntoConstraints = false,
Text = word.Text,
Font = font
};
scrollView.AddSubview(label);
nfloat leftPosition = word.BoundingBox[0];
nfloat topPosition = word.BoundingBox[1];
nfloat rightPosition = word.BoundingBox[2];
nfloat bottomPosition = word.BoundingBox[5];
scrollView.AddConstraint(NSLayoutConstraint.Create(label, NSLayoutAttribute.Left, NSLayoutRelation.Equal, scrollView, NSLayoutAttribute.Left, 1, leftPosition));
scrollView.AddConstraint(NSLayoutConstraint.Create(label, NSLayoutAttribute.Top, NSLayoutRelation.Equal, scrollView, NSLayoutAttribute.Top, 1, topPosition));
//scrollView.AddConstraint(NSLayoutConstraint.Create(label, NSLayoutAttribute.Right, NSLayoutRelation.Equal, scrollView, NSLayoutAttribute.Left, 1, rightPosition));
scrollView.AddConstraint(NSLayoutConstraint.Create(label, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, scrollView, NSLayoutAttribute.Top, 1, bottomPosition));
scrollView.AddConstraint(NSLayoutConstraint.Create(label, NSLayoutAttribute.Right, NSLayoutRelation.LessThanOrEqual, scrollView, NSLayoutAttribute.Right, 1, 0));
scrollView.AddConstraint(NSLayoutConstraint.Create(label, NSLayoutAttribute.Bottom, NSLayoutRelation.LessThanOrEqual, scrollView, NSLayoutAttribute.Bottom, 1, 0));
}
}
}
public static UIView ConfigureForHorizontalScrolling(this UIView view, UIScrollView parentScrollView, int left = 0, int top = 0, int right = 0, int bottom = 0)
{
// https://developer.apple.com/library/content/documentation/UserExperience/Conceptual/AutolayoutPG/WorkingwithScrollViews.html#//apple_ref/doc/uid/TP40010853-CH24-SW1
// This define's the scroll view's content area, but doesn't cause the width to match the scroll viewer's width, width and height are still auto at this point
view.StretchWidthAndHeight(parentScrollView, left: left, top: top, right: right, bottom: bottom);
// Therefore we need to set the height equal to the scroll view's height as described in step 5 of the link above
parentScrollView.AddConstraint(NSLayoutConstraint.Create(
view,
NSLayoutAttribute.Height,
NSLayoutRelation.Equal,
parentScrollView,
NSLayoutAttribute.Height,
1,
(top + bottom) * -1));
return(view);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
//Starting off by initilizing all of the components of the view.
var stackView = new UIStackView
{
Axis = UILayoutConstraintAxis.Vertical,
Alignment = UIStackViewAlignment.Fill,
Distribution = UIStackViewDistribution.EqualSpacing,
Spacing = 25,
TranslatesAutoresizingMaskIntoConstraints = false
};
var scrollView = new UIScrollView(new CGRect(0, 0, View.Frame.Width, View.Frame.Height));
var NameField = new UITextField
{
Frame = new CGRect(25, 20, 35, 15),
Placeholder = "Event Name"
};
var AddressField = new UITextField
{
Frame = new CGRect(25, 30, 35, 15),
Placeholder = "Address"
};
var CityFiled = new UITextField
{
Frame = new CGRect(25, 40, 35, 15),
Placeholder = "City"
};
var StateField = new UITextField
{
Frame = new CGRect(25, 30, 35, 15),
Placeholder = "State"
};
var CountryField = new UITextField
{
Frame = new CGRect(25, 30, 35, 15),
Placeholder = "Country"
};
var ZipField = new UITextField
{
Frame = new CGRect(25, 50, 35, 15),
Placeholder = "ZipCode"
};
var DescField = new UITextField
{
Frame = new CGRect(25, 50, 35, 15),
Placeholder = "Event Description"
};
var SubmitButton = new UIButton(UIButtonType.System)
{
Frame = new CGRect(25, 90, 300, 30)
};
var GetImage = new UIButton(UIButtonType.System)
{
Frame = new CGRect(25, 60, 300, 30)
};
var StateLabel = new UILabel()
{
Text = "Press the button to choose between Public or Private.",
TextAlignment = UITextAlignment.Center
};
var isPublicButton = new UIButton(UIButtonType.System)
{
Frame = new CGRect(25, 90, 300, 30)
};
UIDatePicker DatePicker = new UIDatePicker(new CGRect(
UIScreen.MainScreen.Bounds.X - UIScreen.MainScreen.Bounds.Width,
UIScreen.MainScreen.Bounds.Height - 230,
UIScreen.MainScreen.Bounds.Width,
180));
var calendar = new NSCalendar(NSCalendarType.Gregorian);
calendar.TimeZone = NSTimeZone.LocalTimeZone;
var currentDate = NSDate.Now;
var components = new NSDateComponents();
components.Year = -60;
NSDate minDate = calendar.DateByAddingComponents(components, NSDate.Now, NSCalendarOptions.None);
DatePicker.MinimumDate = currentDate;
DatePicker.Mode = UIDatePickerMode.DateAndTime;
SubmitButton.SetTitle("Submit Event", UIControlState.Normal);
GetImage.SetTitle("Pick An Image", UIControlState.Normal);
isPublicButton.SetTitle("Private Event", UIControlState.Normal);
//Start putting the components together to build the view.
stackView.AddArrangedSubview(NameField);
stackView.AddArrangedSubview(AddressField);
stackView.AddArrangedSubview(CityFiled);
stackView.AddArrangedSubview(StateField);
stackView.AddArrangedSubview(CountryField);
stackView.AddArrangedSubview(ZipField);
stackView.AddArrangedSubview(DescField);
stackView.AddArrangedSubview(DatePicker);
stackView.AddArrangedSubview(StateLabel);
stackView.AddArrangedSubview(isPublicButton);
stackView.AddArrangedSubview(GetImage);
stackView.AddArrangedSubview(SubmitButton);
scrollView.AddSubview(stackView);
View.Add(scrollView);
//Finializing the layout.
scrollView.ContentSize = stackView.Frame.Size;
scrollView.AddConstraint(stackView.TopAnchor.ConstraintEqualTo(scrollView.TopAnchor));
scrollView.AddConstraint(stackView.BottomAnchor.ConstraintEqualTo(scrollView.BottomAnchor));
scrollView.AddConstraint(stackView.LeftAnchor.ConstraintEqualTo(scrollView.LeftAnchor));
scrollView.AddConstraint(stackView.RightAnchor.ConstraintEqualTo(scrollView.RightAnchor));
View.AddConstraint(scrollView.TopAnchor.ConstraintEqualTo(View.TopAnchor));
View.AddConstraint(scrollView.BottomAnchor.ConstraintEqualTo(View.BottomAnchor));
View.AddConstraint(scrollView.LeftAnchor.ConstraintEqualTo(View.LeftAnchor));
View.AddConstraint(scrollView.RightAnchor.ConstraintEqualTo(View.RightAnchor));
View.BackgroundColor = UIColor.White;
var g = new UITapGestureRecognizer(() => View.EndEditing(true));
View.AddGestureRecognizer(g);
//Button function #1: submitting the event and presenting the submission to the user.
SubmitButton.TouchUpInside += async(object sender, EventArgs e) =>
{
//Populate the Event model.
userEvent.Address = AddressField.Text;
userEvent.EventName = NameField.Text;
userEvent.City = CityFiled.Text;
userEvent.State = StateField.Text;
userEvent.Country = CountryField.Text;
userEvent.ZipCode = int.Parse(ZipField.Text);
DateTime.SpecifyKind((DateTime)DatePicker.Date, DateTimeKind.Utc).ToLocalTime();
userEvent.DateOfEvent = (DateTime)DatePicker.Date;
userEvent.isPublic = isPublic;
var geoCoder = new CLGeocoder();
var location = new CLLocation();
string worldAddress = userEvent.Address + ", "
+ userEvent.City + ", "
+ userEvent.State + ", "
+ userEvent.Country + ", "
+ userEvent.ZipCode.ToString();
var placemarks = geoCoder.GeocodeAddressAsync(worldAddress);
await placemarks.ContinueWith((addresses) =>
{
foreach (var address in addresses.Result)
{
location = address.Location;
}
});
userEvent.Lat = location.Coordinate.Latitude;
userEvent.Long = location.Coordinate.Longitude;
userEvent.Description = DescField.Text;
EventService ES = new EventService(_client);
if (userImage != null)
{
Event EventLocation = await ES.CreateNewEvent(userEvent, userImage);
var ShowEvent = new SubmittedEvent(EventLocation, _client, _locationmanager);
this.NavigationController.PopViewController(true);
this.NavigationController.PushViewController(ShowEvent, true);
}
else
{
Event EventLocation = await ES.CreateNewEvent(userEvent);
var ShowEvent = new SubmittedEvent(EventLocation, _client, _locationmanager);
this.NavigationController.PopViewController(true);
this.NavigationController.PushViewController(ShowEvent, true);
}
};
//Button function #2: opening Image Picker
GetImage.TouchUpInside += (object sender, EventArgs e) =>
{
ShowSelectPicPopup();
};
//Button function #3: Public/Private toggle function
isPublicButton.TouchUpInside += (object sender, EventArgs e) =>
{
if (isPublic == false)
{
isPublic = true;
isPublicButton.SetTitle("Public Event", UIControlState.Normal);
}
else
{
isPublic = false;
isPublicButton.SetTitle("Private Event", UIControlState.Normal);
}
};
}
