Added stepper cell to password generator settings page. Conditionally show sync indicator on pages.

src/App/Controls/StepperCell.cs

@@ -0,0 +1,57 @@
+using Xamarin.Forms;
+
+namespace Bit.App.Controls
+{
+    public class StepperCell : ExtendedViewCell
+    {
+        public StepperCell(string labelText, double value, double min, double max, double increment)
+        {
+            Label = new Label
+            {
+                Text = labelText,
+                HorizontalOptions = LayoutOptions.Start,
+                VerticalOptions = LayoutOptions.CenterAndExpand
+            };
+
+            StepperValueLabel = new Label
+            {
+                HorizontalOptions = LayoutOptions.FillAndExpand,
+                VerticalOptions = LayoutOptions.CenterAndExpand,
+                HorizontalTextAlignment = TextAlignment.Start,
+                Text = value.ToString(),
+                Style = (Style)Application.Current.Resources["text-muted"]
+            };
+
+            Stepper = new Stepper
+            {
+                HorizontalOptions = LayoutOptions.End,
+                VerticalOptions = LayoutOptions.CenterAndExpand,
+                Minimum = min,
+                Maximum = max,
+                Increment = increment,
+                Value = value
+            };
+
+            Stepper.ValueChanged += Stepper_ValueChanged;
+
+            var stackLayout = new StackLayout
+            {
+                Orientation = StackOrientation.Horizontal,
+                Children = { Label, StepperValueLabel, Stepper },
+                Spacing = 15,
+                Padding = new Thickness(15, 8)
+            };
+
+            View = stackLayout;
+        }
+
+        private void Stepper_ValueChanged(object sender, ValueChangedEventArgs e)
+        {
+            StepperValueLabel.Text = e.NewValue.ToString();
+        }
+
+        public Label Label { get; private set; }
+        public Label StepperValueLabel { get; private set; }
+        public Stepper Stepper { get; private set; }
+    }
+}