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using System.Diagnostics;
using System.Reflection;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms.Controls
{
[Preserve (AllMembers=true)]
[Issue (IssueTracker.Github, 1075, "Does not update Color", PlatformAffected.Android | PlatformAffected.WinPhone)]
public class Issue1075 : ContentPage
{
// Issue1075
// BoxView doesn't update color
public Issue1075 ()
{
Label header = new Label
{
Text = "Picker",
#pragma warning disable 618
Font = Font.BoldSystemFontOfSize(50),
#pragma warning restore 618
HorizontalOptions = LayoutOptions.Center
};
Picker picker = new Picker
{
Title = "Color",
VerticalOptions = LayoutOptions.CenterAndExpand
};
foreach (string color in new string[]
{
"Aqua", "Black", "Blue", "Fuschia",
"Gray", "Green", "Lime", "Maroon",
"Navy", "Olive", "Purple", "Red",
"Silver", "Teal", "White", "Yellow"
})
{
picker.Items.Add(color);
}
// Create BoxView for displaying pickedColor
BoxView boxView = new BoxView
{
WidthRequest = 150,
HeightRequest = 150,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.CenterAndExpand
};
var button = new Button {
Text = "Change to blue",
Command = new Command (() => boxView.BackgroundColor = Color.Aqua)
};
picker.SelectedIndexChanged += (sender, args) =>
{
if (picker.SelectedIndex == -1)
{
boxView.Color = Color.Default;
}
else
{
string selectedItem = picker.Items[picker.SelectedIndex];
FieldInfo colorField = typeof(Color).GetTypeInfo().GetDeclaredField(selectedItem);
boxView.Color = (Color)colorField.GetValue(null);
}
};
// Accomodate iPhone status bar.
Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 0);
// Build the page.
Content = new StackLayout
{
Children =
{
header,
picker,
boxView,
button
}
};
}
}
}
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