Send feature for mobile (#1256)

* Send feature for mobile

* added fallback for KdfIterations

* additional property exclusions for tests

* support encryptedFileData as byte array comparison in SendServiceTests

* formatting

* requested changes

* additional changes

* change position of send service registration to match declaration order

src/iOS.Core/Renderers/ExtendedDatePickerRenderer.cs

@@ -0,0 +1,59 @@
+using System.ComponentModel;
+using Bit.App.Controls;
+using Bit.iOS.Core.Renderers;
+using UIKit;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.iOS;
+
+[assembly: ExportRenderer(typeof(ExtendedDatePicker), typeof(ExtendedDatePickerRenderer))]
+namespace Bit.iOS.Core.Renderers
+{
+    public class ExtendedDatePickerRenderer : DatePickerRenderer
+    {
+        protected override void OnElementChanged(ElementChangedEventArgs<DatePicker> e)
+        {
+            base.OnElementChanged(e);
+            if (Control != null && Element is ExtendedDatePicker element)
+            {
+                // center text
+                Control.TextAlignment = UITextAlignment.Center;
+
+                // use placeholder until NullableDate set 
+                if (!element.NullableDate.HasValue)
+                {
+                    Control.Text = element.PlaceHolder;
+                }
+
+                // force use of wheel picker on iOS 14+
+                // TODO remove this when we upgrade to X.F 5 SR-1
+                // https://github.com/xamarin/Xamarin.Forms/issues/12258#issuecomment-700168665
+                try
+                {
+                    if (UIDevice.CurrentDevice.CheckSystemVersion(13, 2))
+                    {
+                        var picker = (UIDatePicker)Control.InputView;
+                        picker.PreferredDatePickerStyle = UIDatePickerStyle.Wheels;
+                    }
+                }
+                catch { }
+            }
+        }
+
+        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == DatePicker.DateProperty.PropertyName ||
+                e.PropertyName == DatePicker.FormatProperty.PropertyName)
+            {
+                if (Control != null && Element is ExtendedDatePicker element)
+                {
+                    if (Element.Format == element.PlaceHolder)
+                    {
+                        Control.Text = element.PlaceHolder;
+                        return;
+                    }
+                }
+            }
+            base.OnElementPropertyChanged(sender, e);
+        }
+    }
+}

src/iOS.Core/Renderers/ExtendedTimePickerRenderer.cs

@@ -0,0 +1,59 @@
+using System.ComponentModel;
+using Bit.App.Controls;
+using Bit.iOS.Core.Renderers;
+using UIKit;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.iOS;
+
+[assembly: ExportRenderer(typeof(ExtendedTimePicker), typeof(ExtendedTimePickerRenderer))]
+namespace Bit.iOS.Core.Renderers
+{
+    public class ExtendedTimePickerRenderer : TimePickerRenderer
+    {
+        protected override void OnElementChanged(ElementChangedEventArgs<TimePicker> e)
+        {
+            base.OnElementChanged(e);
+            if (Control != null && Element is ExtendedTimePicker element)
+            {
+                // center text
+                Control.TextAlignment = UITextAlignment.Center;
+
+                // use placeholder until NullableTime set 
+                if (!element.NullableTime.HasValue)
+                {
+                    Control.Text = element.PlaceHolder;
+                }
+
+                // force use of wheel picker on iOS 14+
+                // TODO remove this when we upgrade to X.F 5 SR-1
+                // https://github.com/xamarin/Xamarin.Forms/issues/12258#issuecomment-700168665
+                try
+                {
+                    if (UIDevice.CurrentDevice.CheckSystemVersion(13, 2))
+                    {
+                        var picker = (UIDatePicker)Control.InputView;
+                        picker.PreferredDatePickerStyle = UIDatePickerStyle.Wheels;
+                    }
+                }
+                catch { }
+            }
+        }
+
+        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == TimePicker.TimeProperty.PropertyName ||
+                e.PropertyName == TimePicker.FormatProperty.PropertyName)
+            {
+                if (Control != null && Element is ExtendedTimePicker element)
+                {
+                    if (Element.Format == element.PlaceHolder)
+                    {
+                        Control.Text = element.PlaceHolder;
+                        return;
+                    }
+                }
+            }
+            base.OnElementPropertyChanged(sender, e);
+        }
+    }
+}

src/iOS.Core/iOS.Core.csproj

@@ -155,12 +155,14 @@
     <Compile Include="NFCReaderDelegate.cs" />
     <Compile Include="Renderers\CustomButtonRenderer.cs" />
     <Compile Include="Renderers\CustomContentPageRenderer.cs" />
+    <Compile Include="Renderers\ExtendedDatePickerRenderer.cs" />
     <Compile Include="Renderers\CustomEditorRenderer.cs" />
     <Compile Include="Renderers\CustomEntryRenderer.cs" />
     <Compile Include="Renderers\CustomLabelRenderer.cs" />
     <Compile Include="Renderers\CustomPickerRenderer.cs" />
     <Compile Include="Renderers\CustomSearchBarRenderer.cs" />
     <Compile Include="Renderers\CustomTabbedRenderer.cs" />
+    <Compile Include="Renderers\ExtendedTimePickerRenderer.cs" />
     <Compile Include="Renderers\CustomViewCellRenderer.cs" />
     <Compile Include="Renderers\HybridWebViewRenderer.cs" />
     <Compile Include="Services\BiometricService.cs" />