2016-03-22 23:02:25 +03:00
|
|
|
using System.ComponentModel;
|
|
|
|
using System.Runtime.CompilerServices;
|
|
|
|
using System.Threading.Tasks;
|
|
|
|
using Xamarin.Forms.CustomAttributes;
|
|
|
|
using Xamarin.Forms;
|
2016-04-26 18:20:55 +03:00
|
|
|
using Xamarin.Forms.Internals;
|
|
|
|
|
2018-11-07 01:00:08 +03:00
|
|
|
namespace Xamarin.Forms.Controls.Issues
|
2016-03-22 23:02:25 +03:00
|
|
|
{
|
|
|
|
[Preserve (AllMembers = true)]
|
|
|
|
[Issue (IssueTracker.None, 0, "Activity Indicator Does Not Show when set to default color")]
|
|
|
|
public class ModalActivityIndicatorTest : TestContentPage
|
|
|
|
{
|
|
|
|
protected override void Init ()
|
|
|
|
{
|
|
|
|
var vm = new ModalActivityIndicatorModel () { IsBusy = false, BusyText = "Not busy" };
|
|
|
|
|
|
|
|
var button = new Button () { Text = "Make Busy" };
|
|
|
|
var colorToggle = new Button() {Text = "Toggle Activity Indicator Color" };
|
|
|
|
|
|
|
|
button.Clicked += async (sender, args) => {
|
|
|
|
vm.IsBusy = true;
|
|
|
|
vm.BusyText = "Busy";
|
|
|
|
await Task.Delay (1500);
|
|
|
|
vm.IsBusy = false;
|
|
|
|
vm.BusyText = "Not Busy";
|
|
|
|
};
|
|
|
|
|
|
|
|
var activityIndicator = new ModalActivityIndicator();
|
|
|
|
activityIndicator.BindingContext = vm;
|
|
|
|
|
|
|
|
colorToggle.Clicked += (sender, args) => {
|
|
|
|
vm.Color = vm.Color.IsDefault ? Color.Green : Color.Default;
|
|
|
|
};
|
|
|
|
|
|
|
|
Content = new StackLayout() {
|
|
|
|
Children = { button, colorToggle, activityIndicator }
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
[Preserve(AllMembers = true)]
|
|
|
|
public class ModalActivityIndicatorModel : INotifyPropertyChanged
|
|
|
|
{
|
|
|
|
bool _isBusy;
|
|
|
|
string _busyText;
|
|
|
|
Color _color;
|
|
|
|
|
|
|
|
public ModalActivityIndicatorModel ()
|
|
|
|
{
|
|
|
|
_color = Color.Default;
|
|
|
|
}
|
|
|
|
|
|
|
|
public bool IsBusy
|
|
|
|
{
|
|
|
|
get { return _isBusy; }
|
|
|
|
set
|
|
|
|
{
|
|
|
|
_isBusy = value;
|
|
|
|
OnPropertyChanged();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public string BusyText
|
|
|
|
{
|
|
|
|
get { return _busyText; }
|
|
|
|
set
|
|
|
|
{
|
|
|
|
_busyText = value;
|
|
|
|
OnPropertyChanged();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public Color Color
|
|
|
|
{
|
|
|
|
get { return _color; }
|
|
|
|
set
|
|
|
|
{
|
|
|
|
_color = value;
|
|
|
|
OnPropertyChanged();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
public event PropertyChangedEventHandler PropertyChanged;
|
|
|
|
|
|
|
|
protected virtual void OnPropertyChanged ([CallerMemberName] string propertyName = null)
|
|
|
|
{
|
|
|
|
PropertyChanged?.Invoke (this, new PropertyChangedEventArgs (propertyName));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
[Preserve(AllMembers = true)]
|
|
|
|
public class ModalActivityIndicator : RelativeLayout
|
|
|
|
{
|
|
|
|
public ModalActivityIndicator()
|
|
|
|
{
|
|
|
|
this.SetBinding(IsVisibleProperty, "IsBusy");
|
|
|
|
this.SetBinding(IsEnabledProperty, "IsBusy");
|
|
|
|
|
|
|
|
Children.Add(
|
|
|
|
view: new BoxView
|
|
|
|
{
|
|
|
|
Opacity = .4,
|
|
|
|
BackgroundColor = Color.FromHex("#ccc")
|
|
|
|
},
|
|
|
|
widthConstraint: Forms.Constraint.RelativeToParent((parent) => {
|
|
|
|
return parent.Width;
|
|
|
|
}),
|
|
|
|
heightConstraint: Forms.Constraint.RelativeToParent((parent) => {
|
|
|
|
return parent.Height;
|
|
|
|
})
|
|
|
|
);
|
|
|
|
|
|
|
|
var content = new StackLayout
|
|
|
|
{
|
|
|
|
BackgroundColor = Color.White,
|
|
|
|
Spacing = 10,
|
|
|
|
Padding = new Thickness(
|
|
|
|
horizontalSize: 10,
|
|
|
|
verticalSize: 20
|
|
|
|
)
|
|
|
|
};
|
|
|
|
|
|
|
|
var activityIndicator = new ActivityIndicator { IsRunning = true };
|
|
|
|
activityIndicator.SetBinding(ActivityIndicator.ColorProperty, "Color");
|
|
|
|
|
|
|
|
content.Children.Add(activityIndicator);
|
|
|
|
var label = new Label { HorizontalOptions = LayoutOptions.CenterAndExpand };
|
|
|
|
|
|
|
|
label.SetBinding(Label.TextProperty, "BusyText");
|
|
|
|
label.SetBinding(Label.TextColorProperty, "Color");
|
|
|
|
|
|
|
|
content.Children.Add(label);
|
|
|
|
|
|
|
|
Children.Add(
|
|
|
|
view: content,
|
|
|
|
widthConstraint: Forms.Constraint.RelativeToParent((parent) => {
|
|
|
|
return parent.Width / 2;
|
|
|
|
}),
|
|
|
|
heightConstraint: Forms.Constraint.RelativeToParent((parent) => {
|
|
|
|
return parent.Width / 3;
|
|
|
|
}),
|
|
|
|
xConstraint: Forms.Constraint.RelativeToParent((parent) => {
|
|
|
|
return parent.Width / 4;
|
|
|
|
}),
|
|
|
|
yConstraint: Forms.Constraint.RelativeToParent((parent) => {
|
|
|
|
return (parent.Height / 2) - (parent.Width / 6);
|
|
|
|
})
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-11-07 01:00:08 +03:00
|
|
|
}
|