Add custom font family to label and assistive label

Author: AgustinBonilla

MaterialDesignControls.nuspec

@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
    <metadata minClientVersion="2.8.1">
        <id>Plugin.MaterialDesignControls</id>
-       <version>1.10.2</version>
+       <version>1.10.3</version>
        <title>MaterialDesignControls Plugin for Xamarin Forms</title>
        <authors>Horus</authors>
        <owners>AgustinBonillaHorus</owners>

example/ExampleMaterialDesignControls/Pages/MaterialEntryPage.xaml

@@ -34,6 +34,18 @@
                     <material:MaterialEntry.CustomTrailingIcon>
                         <ffimageloadingsvg:SvgCachedImage Source="resource://ExampleMaterialDesignControls.Resources.Svg.ic_help_b.svg"/> 
                     </material:MaterialEntry.CustomTrailingIcon>
+                    <material:MaterialEntry.FontFamily>
+                        <OnPlatform x:TypeArguments="x:String">
+                            <OnPlatform.Android>monospace</OnPlatform.Android>
+                            <OnPlatform.iOS>MarkerFelt-Thin</OnPlatform.iOS>
+                        </OnPlatform>
+                    </material:MaterialEntry.FontFamily>
+                    <material:MaterialEntry.LabelFontFamily>
+                        <OnPlatform x:TypeArguments="x:String">
+                            <OnPlatform.Android>sans-serif-black</OnPlatform.Android>
+                            <OnPlatform.iOS>Arial Rounded MT Bold</OnPlatform.iOS>
+                        </OnPlatform>
+                    </material:MaterialEntry.LabelFontFamily>
                 </material:MaterialEntry>
 
                 <material:MaterialButton Text="Save" Icon="save.png" Command="{Binding TapCommand}" VerticalOptions="EndAndExpand" Margin="0,0,0,20" />

src/MaterialDesignControls/Controls/BaseMaterialFieldControl.cs

@@ -183,6 +183,15 @@ public double LabelSize
             set { SetValue(LabelSizeProperty, value); }
         }
 
+        public static readonly BindableProperty LabelFontFamilyProperty =
+            BindableProperty.Create(nameof(LabelFontFamily), typeof(string), typeof(BaseMaterialFieldControl), defaultValue: null);
+
+        public string LabelFontFamily
+        {
+            get { return (string)GetValue(LabelFontFamilyProperty); }
+            set { SetValue(LabelFontFamilyProperty, value); }
+        }
+
         public static readonly BindableProperty LabelMarginProperty =
             BindableProperty.Create(nameof(LabelMargin), typeof(Thickness), typeof(BaseMaterialFieldControl), defaultValue: new Thickness(14, 0, 14, 2));
 
@@ -223,6 +232,15 @@ public double AssistiveSize
             set { SetValue(AssistiveSizeProperty, value); }
         }
 
+        public static readonly BindableProperty AssistiveFontFamilyProperty =
+            BindableProperty.Create(nameof(AssistiveFontFamily), typeof(string), typeof(BaseMaterialFieldControl), defaultValue: null);
+
+        public string AssistiveFontFamily
+        {
+            get { return (string)GetValue(AssistiveFontFamilyProperty); }
+            set { SetValue(AssistiveFontFamilyProperty, value); }
+        }
+
         public static readonly BindableProperty AssistiveMarginProperty =
             BindableProperty.Create(nameof(AssistiveMargin), typeof(Thickness), typeof(BaseMaterialFieldControl), defaultValue: new Thickness(14, 2, 14, 0));
 
@@ -458,9 +476,23 @@ protected void UpdateLayout(string propertyName, Label lblLabel, Label lblAssist
                     SetFontSize();
                     break;
                 case nameof(FontFamily):
+                case nameof(LabelFontFamily):
+                case nameof(AssistiveFontFamily):
                     SetFontFamily();
-                    lblLabel.FontFamily = FontFamily;
-                    lblAssistive.FontFamily = FontFamily;
+
+                    if (LabelFontFamily != null)
+                        lblLabel.FontFamily = LabelFontFamily;
+                    else if (LabelFontFamily == null && FontFamily != null)
+                        lblLabel.FontFamily = FontFamily;
+
+                    if (AssistiveFontFamily != null)
+                        lblAssistive.FontFamily = AssistiveFontFamily;
+                    else if (AssistiveFontFamily == null && FontFamily != null)
+                        lblAssistive.FontFamily = FontFamily;
+
+
+                    //lblLabel.FontFamily = FontFamily;
+                    //lblAssistive.FontFamily = FontFamily;
                     break;
                 case nameof(Placeholder):
                     SetPlaceholder();