/// <summary>
/// Presents a new color picker.
/// </summary>
/// <param name="parent">The parent <see cref="UIViewController"/>.</param>
/// <param name="title">The picker title.</param>
/// <param name="initialColor">The initial selected color.</param>
/// <param name="done">The method invoked when the picker closes.</param>
/// <param name="colorPicked">The method invoked as colors are picked.</param>
public static void Present(UIViewController parent, string title, UIColor initialColor, Action <UIColor> done, Action <UIColor> colorPicked)
{
if (parent == null)
{
throw new ArgumentNullException("parent");
}
var picker = new ColorPickerViewController
{
Title = title,
SelectedColor = initialColor
};
picker.ColorPicked += (_, args) =>
{
if (colorPicked != null)
{
colorPicked(args.SelectedColor);
}
};
var pickerNav = new UINavigationController(picker);
pickerNav.ModalPresentationStyle = UIModalPresentationStyle.FormSheet;
pickerNav.NavigationBar.Translucent = false;
var doneBtn = new UIBarButtonItem(UIBarButtonSystemItem.Done);
picker.NavigationItem.RightBarButtonItem = doneBtn;
doneBtn.Clicked += delegate
{
if (done != null)
{
done(picker.SelectedColor);
}
// hide the picker
parent.DismissViewController(true, null);
};
// show the picker
parent.PresentViewController(pickerNav, true, null);
}
/// <summary>
/// Presents a new color picker.
/// </summary>
/// <param name="parent">The parent <see cref="UIViewController"/>.</param>
/// <param name="title">The picker title.</param>
/// <param name="initialColor">The initial selected color.</param>
/// <param name="done">The method invoked when the picker closes.</param>
/// <param name="colorPicked">The method invoked as colors are picked.</param>
public static void Present(UIViewController parent, string title, UIColor initialColor, Action<UIColor> done, Action<UIColor> colorPicked)
{
if (parent == null)
{
throw new ArgumentNullException("parent");
}
var picker = new ColorPickerViewController
{
Title = title,
SelectedColor = initialColor
};
picker.ColorPicked += (_, args) =>
{
if (colorPicked != null)
{
colorPicked(args.SelectedColor);
}
};
var pickerNav = new UINavigationController(picker);
pickerNav.ModalPresentationStyle = UIModalPresentationStyle.FormSheet;
pickerNav.NavigationBar.Translucent = false;
var doneBtn = new UIBarButtonItem(UIBarButtonSystemItem.Done);
picker.NavigationItem.RightBarButtonItem = doneBtn;
doneBtn.Clicked += delegate
{
if (done != null)
{
done(picker.SelectedColor);
}
// hide the picker
parent.DismissViewController(true, null);
};
// show the picker
parent.PresentViewController(pickerNav, true, null);
}
private void SetupColorPicker()
{
this.colorPicker = new ColorPickerViewController();
this.colorPicker.Title = "Pick a color!";
this.colorPickerNavigationController = new UINavigationController(this.colorPicker);
this.colorPickerNavigationController.ModalPresentationStyle = UIModalPresentationStyle.FormSheet;
this.colorPicker.NavigationItem.RightBarButtonItem = new UIBarButtonItem (UIBarButtonSystemItem.Done);
this.colorPicker.NavigationItem.RightBarButtonItem.Clicked += this.OnColorPickerDoneButtonClicked;
}
void pickAColorBtn_HandleTouchUpInside(object sender, EventArgs e)
{
picker = new ColorPickerViewController();
picker.ColorPicked += HandleColorPicked;
picker.Title = "Pick a color!";
UINavigationController pickerNav = new UINavigationController(picker);
pickerNav.ModalPresentationStyle = UIModalPresentationStyle.FormSheet;
doneBtn = new UIBarButtonItem(UIBarButtonSystemItem.Done);
picker.NavigationItem.RightBarButtonItem = doneBtn;
doneBtn.Clicked += doneBtn_HandleClicked;
nav.PresentModalViewController(pickerNav,true);
}
