public iOSPickerPageCS()
{
var monkeyList = new List <string>();
monkeyList.Add("Baboon");
monkeyList.Add("Capuchin Monkey");
monkeyList.Add("Blue Monkey");
monkeyList.Add("Squirrel Monkey");
monkeyList.Add("Golden Lion Tamarin");
monkeyList.Add("Howler Monkey");
monkeyList.Add("Japanese Macaque");
var picker = new Xamarin.Forms.Picker {
Title = "Select a monkey"
};
picker.ItemsSource = monkeyList;
var button = new Button {
Text = "Toggle Picker UpdateMode"
};
button.Clicked += (sender, e) =>
{
switch (picker.On <iOS>().UpdateMode())
{
case UpdateMode.Immediately:
picker.On <iOS>().SetUpdateMode(UpdateMode.WhenFinished);
break;
case UpdateMode.WhenFinished:
picker.On <iOS>().SetUpdateMode(UpdateMode.Immediately);
break;
}
};
picker.On <iOS>().SetUpdateMode(UpdateMode.WhenFinished);
Title = "Picker UpdateMode";
Content = new StackLayout
{
Margin = new Thickness(20),
Children =
{
picker, button
}
};
}
public PickerItemPage()
{
InitializeComponent();
Label header = new Label
{
Text = "Picker",
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
HorizontalOptions = LayoutOptions.Center
};
Xamarin.Forms.Picker picker = new Xamarin.Forms.Picker
{
Title = "Color",
VerticalOptions = LayoutOptions.CenterAndExpand
};
picker.On <iOS>().SetUpdateMode(UpdateMode.WhenFinished);
foreach (string colorName in nameToColor.Keys)
{
picker.Items.Add(colorName);
}
// Create BoxView for displaying picked Color
BoxView boxView = new BoxView
{
WidthRequest = 150,
HeightRequest = 150,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.CenterAndExpand
};
picker.SelectedIndexChanged += (sender, args) =>
{
if (picker.SelectedIndex == -1)
{
boxView.Color = Color.Default;
}
else
{
string colorName = picker.Items[picker.SelectedIndex];
boxView.Color = nameToColor[colorName];
}
};
// Accomodate iPhone status bar.
this.Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 5);
// Build the page.
this.Content = new StackLayout
{
Children =
{
header,
picker,
boxView
}
};
}
public ListItemView()
{
InitializeComponent();
_viewModel = new ListItemViewModel(new ApiClient(), null);
BindingContext = _viewModel;
var picker = new Xamarin.Forms.Picker();
picker.On <iOS>().SetUpdateMode(UpdateMode.WhenFinished);
}
