core utils

src/iOS.Core/Utilities/Dialogs.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Drawing;
+using CoreGraphics;
+using UIKit;
+
+namespace Bit.iOS.Core.Utilities
+{
+    public static class Dialogs
+    {
+        public static UIAlertController CreateLoadingAlert(string message)
+        {
+            var loadingIndicator = new UIActivityIndicatorView(new CGRect(10, 5, 50, 50));
+            loadingIndicator.HidesWhenStopped = true;
+            loadingIndicator.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.Gray;
+            loadingIndicator.StartAnimating();
+
+            var alert = UIAlertController.Create(null, message, UIAlertControllerStyle.Alert);
+            alert.View.TintColor = UIColor.Black;
+            alert.View.Add(loadingIndicator);
+            return alert;
+        }
+
+        public static UIAlertController CreateMessageAlert(string message)
+        {
+            var alert = UIAlertController.Create(null, message, UIAlertControllerStyle.Alert);
+            alert.View.TintColor = UIColor.Black;
+            return alert;
+        }
+
+        public static UIAlertController CreateAlert(string title, string message, string accept, Action<UIAlertAction> acceptHandle = null)
+        {
+            var alert = UIAlertController.Create(title, message, UIAlertControllerStyle.Alert);
+            var oldFrame = alert.View.Frame;
+            alert.View.Frame = new RectangleF((float)oldFrame.X, (float)oldFrame.Y, (float)oldFrame.Width, (float)oldFrame.Height - 20);
+            alert.AddAction(UIAlertAction.Create(accept, UIAlertActionStyle.Default, acceptHandle));
+            return alert;
+        }
+
+        public static UIAlertController CreateActionSheet(string title, UIViewController controller)
+        {
+            var sheet = UIAlertController.Create(title, null, UIAlertControllerStyle.ActionSheet);
+            if(UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad)
+            {
+                var x = controller.View.Bounds.Width / 2;
+                var y = controller.View.Bounds.Bottom;
+                var rect = new CGRect(x, y, 0, 0);
+
+                sheet.PopoverPresentationController.SourceView = controller.View;
+                sheet.PopoverPresentationController.SourceRect = rect;
+                sheet.PopoverPresentationController.PermittedArrowDirections = UIPopoverArrowDirection.Unknown;
+            }
+            return sheet;
+        }
+    }
+}