private void CreateLayout()
{
this.View.BackgroundColor = UIColor.White;
// Create a stack view to organize the query controls
_controlsStackView = new UIStackView();
_controlsStackView.Axis = UILayoutConstraintAxis.Vertical;
_controlsStackView.Alignment = UIStackViewAlignment.Center;
_controlsStackView.Distribution = UIStackViewDistribution.EqualSpacing;
_controlsStackView.Spacing = 5;
// Button for launching the UI to view or define statistics definitions for the query
UIButton showStatDefinitionsButton = new UIButton();
showStatDefinitionsButton.SetTitle("Statistic Definitions", UIControlState.Normal);
showStatDefinitionsButton.SetTitleColor(UIColor.Blue, UIControlState.Normal);
showStatDefinitionsButton.BackgroundColor = UIColor.White;
showStatDefinitionsButton.Frame = new CGRect(30, 20, 220, 30);
showStatDefinitionsButton.TouchUpInside += ShowStatDefinitions;
// Button to choose fields with which to group results
UIButton showGroupFieldsButton = new UIButton();
showGroupFieldsButton.SetTitle("Group Fields", UIControlState.Normal);
showGroupFieldsButton.SetTitleColor(UIColor.Blue, UIControlState.Normal);
showGroupFieldsButton.BackgroundColor = UIColor.White;
showGroupFieldsButton.Frame = new CGRect(30, 60, 220, 30);
showGroupFieldsButton.TouchUpInside += ShowGroupFields;
// Button to choose fields with which to sort results (must be one of the 'group by' fields)
UIButton showOrderByFieldsButton = new UIButton();
showOrderByFieldsButton.SetTitle("Order By Fields", UIControlState.Normal);
showOrderByFieldsButton.SetTitleColor(UIColor.Blue, UIControlState.Normal);
showOrderByFieldsButton.BackgroundColor = UIColor.White;
showOrderByFieldsButton.Frame = new CGRect(30, 100, 220, 30);
showOrderByFieldsButton.TouchUpInside += ShowOrderByFields;
// Create a button to invoke the query using the query parameters defined
UIButton getStatsButton = new UIButton();
getStatsButton.SetTitle("Get Statistics", UIControlState.Normal);
getStatsButton.SetTitleColor(UIColor.Blue, UIControlState.Normal);
getStatsButton.BackgroundColor = UIColor.White;
getStatsButton.Frame = new CGRect(30, 340, 220, 30);
// Handle the button tap to execute the statistics query
getStatsButton.TouchUpInside += ExecuteStatisticsQuery;
// Add controls to the stack view
_controlsStackView.AddSubviews(showStatDefinitionsButton, showGroupFieldsButton, showOrderByFieldsButton, getStatsButton);
// Add UI controls to the page
View.AddSubview(_controlsStackView);
}
private void CreateLayout()
{
// Lay out the spatial operations UI vertically.
_operationToolsView.Axis = UILayoutConstraintAxis.Vertical;
// Create a label to prompt for a spatial operation.
UILabel operationLabel = new UILabel(new CGRect(5, 0, View.Bounds.Width, 30))
{
Text = "Choose a spatial operation:",
TextAlignment = UITextAlignment.Left,
TextColor = UIColor.Blue
};
// Create a picker model with spatial operation choices.
List <string> operationsList = new List <string> {
"", "Difference", "Intersection", "Symmetric difference", "Union"
};
PickerDataModel operationModel = new PickerDataModel(operationsList);
// Handle the selection change for spatial operations.
operationModel.ValueChanged += OperationModel_ValueChanged;
// Create a picker to show the spatial operations.
_operationPicker = new UIPickerView(new CGRect(20, 25, View.Bounds.Width - 20, 100))
{
Model = operationModel
};
// Create a button to reset the operation result.
UIButton resetButton = new UIButton(UIButtonType.Plain);
resetButton.Frame = new CGRect(20, 110, View.Bounds.Width - 20, 30);
resetButton.SetTitle("Reset operation", UIControlState.Normal);
resetButton.SetTitleColor(UIColor.Blue, UIControlState.Normal);
resetButton.TouchUpInside += ResetButton_TouchUpInside;
// Add the controls to the tools UI (stack view).
_operationToolsView.AddSubviews(operationLabel, _operationPicker, resetButton);
// Add the map view and tools sub-views to the view.
View.AddSubviews(_myMapView, _operationToolsView);
// Set the view background color.
View.BackgroundColor = UIColor.White;
}
private void CreateLayout()
{
// Place the map view in the upper half of the display.
_myMapView.Frame = new CGRect(0, 0, View.Bounds.Width, _mapViewHeight);
// Place the transformations UI in the bottom half.
_transformToolsView.Axis = UILayoutConstraintAxis.Vertical;
_transformToolsView.Frame = new CGRect(0, _mapViewHeight, View.Bounds.Width, _transformToolsHeight);
// View for the input/output WKID labels.
UIStackView wkidLabelsStackView = new UIStackView(new CGRect(10, 5, View.Bounds.Width - 10, 35))
{
Axis = UILayoutConstraintAxis.Horizontal
};
// Create a label for the input spatial reference.
_inWkidLabel = new UILabel(new CGRect(5, 0, View.Bounds.Width / 2 - 15, 30))
{
Text = "In WKID = ",
TextAlignment = UITextAlignment.Left,
TextColor = UIColor.Black
};
// Create a label for the output spatial reference.
_outWkidLabel = new UILabel(new CGRect(View.Bounds.Width / 2 + 5, 0, View.Bounds.Width / 2 - 15, 30))
{
Text = "Out WKID = ",
TextAlignment = UITextAlignment.Left,
TextColor = UIColor.Black
};
// Add the WKID labels to the stack view.
wkidLabelsStackView.Add(_inWkidLabel);
wkidLabelsStackView.Add(_outWkidLabel);
// Create a horizontal stack view for the 'use extent' switch and label.
UIStackView extentSwitchRow = new UIStackView(new CGRect(20, 35, View.Bounds.Width - 20, 35))
{
Axis = UILayoutConstraintAxis.Horizontal
};
_useExtentSwitch = new UISwitch
{
On = false
};
_useExtentSwitch.ValueChanged += UseExtentSwitch_ValueChanged;
// Create a label for the use extent switch.
UILabel useExtentLabel = new UILabel(new CGRect(70, 0, View.Bounds.Width - 70, 30))
{
Text = "Use extent",
TextAlignment = UITextAlignment.Left,
TextColor = UIColor.Black
};
// Add the switch and the label to the horizontal stack view.
extentSwitchRow.Add(_useExtentSwitch);
extentSwitchRow.Add(useExtentLabel);
// Create a picker for datum transformations.
_transformationsPicker = new UIPickerView(new CGRect(20, 70, View.Bounds.Width - 20, 120));
// Create a text view to show messages.
_messagesTextView = new UITextView(new CGRect(20, 200, View.Bounds.Width - 20, 60));
// Add the controls to the transform UI (stack view).
_transformToolsView.AddSubviews(wkidLabelsStackView, extentSwitchRow, _transformationsPicker, _messagesTextView);
// Add the map view and tools subviews to the view.
View.AddSubviews(_myMapView, _transformToolsView);
// Set the view background color.
View.BackgroundColor = UIColor.White;
}
