public static void AddInstructionView(this ShowCase materialShowcase, CGPoint atCenter)
{
materialShowcase.instructionView = new ShowCaseInstructionView();
materialShowcase.instructionView.text = materialShowcase.config.ViewText;
// Calculate x position
float xPosition = ShowCase.LabelMargin;
// Calculate y position
float yPosition;
if (materialShowcase.config.TextVerticalPosition != VerticalPosition.Top)
{
yPosition = (float)atCenter.Y + ShowCase.TextCenterOffset;
}
else
{
yPosition = (float)atCenter.Y - ShowCase.TextCenterOffset - ShowCase.LabelDefaultHeight * 2;
}
materialShowcase.instructionView.Frame = new CGRect(
xPosition,
yPosition,
materialShowcase.containerView.Frame.Width - (xPosition + xPosition),
(materialShowcase.containerView.Frame.Height / 2));
materialShowcase.AddSubview(materialShowcase.instructionView);
}
/// Create a copy view of target view
/// It helps us not to affect the original target view
public static void AddTarget(this ShowCase materialShowcase, CGPoint atCenter)
{
materialShowcase.targetCopyView = materialShowcase.targetView.SnapshotView(true);
var width = materialShowcase.targetCopyView.Frame.Width;
var height = materialShowcase.targetCopyView.Frame.Height;
materialShowcase.targetCopyView.Frame = new CGRect(0, 0, width, height);
materialShowcase.targetCopyView.Center = atCenter;
materialShowcase.targetCopyView.TranslatesAutoresizingMaskIntoConstraints = true;
materialShowcase.targetCopyView.Frame = RectangleFExtensions.Inset(materialShowcase.targetCopyView.Frame, -5f, -5f);
materialShowcase.targetCopyView.Layer.BorderColor = UIColor.White.CGColor;
materialShowcase.targetCopyView.Layer.BorderWidth = 5f;
materialShowcase.AddSubview(materialShowcase.targetCopyView);
}