Custom Entry Validation in Xamarin Forms - XamGirl
android - is it possible to change the bottom border of entry in Xamarin. Forms (Portable) - Stack Overflow
GitHub - PetrVobornik/ColorPicker: Color picker for Xamarin.Forms. It can be used as a large color mixer control (ColorPickerMixer) or as a dialog for select a color (ColorPickerDialog) or as an entry editor (
Xamarin Rounded Entry | Ömer Sezer
Xamarin.Forms (Android) Entry custom renderer - entry bottom border only