protected override void OnElementChanged(ElementChangedEventArgs <Image> e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
_formsView = (CircularProgressView)e.NewElement;
}
}
protected override void OnElementChanged(ElementChangedEventArgs <StackLayout> e)
{
base.OnElementChanged(e);
var rect = new CGRect(0, 0, 50, 50);
progressView = new CircularProgressView(rect);
progressView.RoundedCorners = true;
progressView.TrackTintColor = Color.FromHex("#F6585D").ToUIColor();
progressView.ProgressTintColor = Color.FromHex("#30AD63").ToUIColor();
progressView.SetProgress(0f, true);
AddSubview(progressView);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
View.BackgroundColor = UIColor.Gray;
var progressView = new CircularProgressView();
progressView.TrackTintColor = UIColor.Clear;
View.AddSubview(progressView);
var labeledProgressView = new LabeledCircularProgressView();
labeledProgressView.RoundedCorners = true;
View.AddSubview(labeledProgressView);
var pieProgressView = new CircularProgressView();
pieProgressView.ProgressTintColor = UIColor.Yellow;
pieProgressView.TrackTintColor = UIColor.Black;
pieProgressView.ThicknessRatio = 1.0f;
View.AddSubview(pieProgressView);
var indeterminateProgressView = new CircularProgressView();
indeterminateProgressView.Progress = 0.35f;
indeterminateProgressView.IndeterminateDuration = 1.0f;
indeterminateProgressView.Indeterminate = true;
View.AddSubview(indeterminateProgressView);
// constraints
progressView.MakeConstraints(make => {
make.CenterX.EqualTo(View.CenterX());
make.Top.EqualTo(this.TopLayoutGuideBottom()).Offset(12.0f);
make.Width.EqualTo(NSNumber.FromNFloat(60));
make.Height.EqualTo(NSNumber.FromNFloat(60));
});
labeledProgressView.MakeConstraints(make => {
make.CenterX.EqualTo(View.CenterX());
make.Top.EqualTo(progressView.Bottom()).Offset(12.0f);
make.Width.EqualTo(NSNumber.FromNFloat(60));
make.Height.EqualTo(NSNumber.FromNFloat(60));
});
pieProgressView.MakeConstraints(make => {
make.CenterX.EqualTo(View.CenterX());
make.Top.EqualTo(labeledProgressView.Bottom()).Offset(12.0f);
make.Width.EqualTo(NSNumber.FromNFloat(60));
make.Height.EqualTo(NSNumber.FromNFloat(60));
});
indeterminateProgressView.MakeConstraints(make => {
make.CenterX.EqualTo(View.CenterX());
make.Top.EqualTo(pieProgressView.Bottom()).Offset(12.0f);
make.Width.EqualTo(NSNumber.FromNFloat(60));
make.Height.EqualTo(NSNumber.FromNFloat(60));
});
var progress = -0.1f;
Task.Run(async() => {
while (true)
{
if (progress >= 1.0f)
{
progress = 0.0f;
}
else
{
progress += 0.1f;
}
InvokeOnMainThread(() => {
progressView.SetProgress(progress, true);
pieProgressView.SetProgress(progress, true);
labeledProgressView.SetProgress(progress, true);
labeledProgressView.ProgressLabel.Text = progress.ToString("0%");
});
if (progress <= 0.0f)
{
await Task.Delay(1500);
}
else
{
await Task.Delay(400);
}
}
});
}