CODEWITHSUNDEEP
c#xamarinxamarin.formsxamarin.androidxamarin.ios
Divyesh
Divyesh

Reputation: 2393

How to change picker Title font size in xamarin.forms?

I have used picker control in my app and when I'm running on iOS 11 pro device it's Title text font size shows big than it's actual font size 

<CustomControl:BindablePicker x:Name="pick"
              Font="lato-regular" 
              FontSize="12" 
              Title="{Binding Placeholder}" 
              ItemsSource="{Binding Season}" 
              SelectedItem="{Binding SelectedOption, Mode=TwoWay}" 
              HorizontalOptions="FillAndExpand"
              BorderWidth="1" />

iOS Renderer:

protected override void OnElementChanged(ElementChangedEventArgs<Picker> e)
{
    var view = (BindablePicker)Element;
    if (view != null && Control != null)
    {
        SetFont(view);
    }
}

void SetFont(BindablePicker view)
{
     var fontsize = view.FontSize;
     var font = UIKit.UIFont.FromName("lato-regular", (System.nfloat)fontsize);
     if (font != null)
     {
         Control.Font = UIFont.SystemFontOfSize((System.nfloat)fontsize);
         Control.Font = font;
     }
}

Output on iOS:

enter image description here

Upvotes: 2

Views: 543

Answers (1)

Junior Jiang
Junior Jiang

Reputation: 12723

I have tested in my local site , even the latest version of VS , it also not works .

However , if not mind not using UIFont.FromName, there is a Solution to solve that .

You can replace it with Control.Font.WithSize(xxx); or UIFont.SystemFontOfSize(xxx) to change the font size .

Code as follow :

void SetFont(BindablePicker view)
{
    var fontsize = view.FontSize;
    Control.Font = Control.Font.WithSize((System.nfloat)fontsize);
     // or
    //Control.Font = UIFont.SystemFontOfSize((System.nfloat)fontsize);
}

Upvotes: 1

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