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Entry 의 언더라인은 디자인적으로 안보이는게 깔끔할때가 있습니다.

이를 제거하는 방법입니다.

(참고로 iOS 는 차이가 없습니다.^^;)

 

.Net Standard 프로젝트에 CustomEntry.cs 를 작성합니다.

 

using Xamarin.Forms;

 

namespace Test.Cntrols

{

    public class CustomEntry : Entry

    {

        public static readonly BindableProperty HasBorderProperty =

            BindableProperty.Create(nameof(HasBorder), typeof(bool), typeof(CustomEntry), true);

 

        public bool HasBorder

        {

            get { return (bool)GetValue(HasBorderProperty); }

            set { SetValue(HasBorderProperty, value); }

        }

 

        public CustomEntry() : base()

        {

            Margin = 2;

        }

    }

}

 

 

Xamarin.Android 프로젝트에 CustomEntryRenderer.cs 를 작성합니다.

 

using Android.Content;

using Android.Graphics;

using Android.Graphics.Drawables;

 

using Test.Cntrols;

using Test.Droid;

 

using Xamarin.Forms;

using Xamarin.Forms.Platform.Android;

 

[assembly: ExportRenderer(typeof(CustomEntry), typeof(CustomEntryRenderer))]

namespace Test.Droid

{

    public class CustomEntryRenderer : EntryRenderer

    {

        public CustomEntryRenderer(Context context) : base(context)

        {

        }

 

        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)

        {

            base.OnElementChanged(e);

 

            if (Control != null)

            {

                if (e.NewElement != null)

                {

                    var customEntry = (CustomEntry)e.NewElement;

                    if (!customEntry.HasBorder)

                    {

                        GradientDrawable gradientDrawable = new GradientDrawable();

                        gradientDrawable.SetColor(Android.Graphics.Color.Transparent);

                        Control.SetBackground(gradientDrawable);

                    }

                }

            }

        }

    }

}

 

Xamarin.iOS 프로젝트에도 CustomEntryRenderer.cs 를 작성합니다.

 

using UIKit;

 

using Test.Cntrols;

using Test.iOS;

 

using Xamarin.Forms;

using Xamarin.Forms.Platform.iOS;

 

[assembly: ExportRenderer(typeof(CustomEntry), typeof(CustomEntryRenderer))]

namespace Test.iOS

{

    class CustomEntryRenderer : EntryRenderer

    {

        protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)

        {

            base.OnElementChanged(e);

 

            if (Control != null)

            {

                if (e.NewElement != null)

                {

                    var customEntry = (CustomEntry)e.NewElement;

                    if (!customEntry.HasBorder)

                    {

                        Control.BorderStyle = UITextBorderStyle.None;

                    }

                }

            }

        }

    }

}

 

 

화면(xaml)에 아래처럼 작성합니다.

 

<cntrols:CustomEntry x:Name="testEntry"

                     HasBorder="False"

                     Placeholder = "언더라인제거Entry"

                     PlaceholderColor="#95969B"/>

 

 

 

결과

일반적인 Entry 와

언더라인을 없앤 CustomEnrty

 

 

 

 

 

 

 

 

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그리드형
Posted by kjun
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