зеркало из https://github.com/DeGsoft/maui-linux.git
68 строки
1.6 KiB
C#
68 строки
1.6 KiB
C#
using Android.Content;
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using Android.Graphics.Drawables;
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using Android.OS;
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using Android.Support.V4.Content;
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using Android.Util;
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using Android.Views;
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using AView = Android.Views.View;
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using AColor = Android.Graphics.Color;
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namespace Xamarin.Forms.Platform.Android
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{
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public static class ViewExtensions
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{
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static readonly int s_apiLevel;
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static ViewExtensions()
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{
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s_apiLevel = (int)Build.VERSION.SdkInt;
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}
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public static void RemoveFromParent(this AView view)
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{
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if (view == null)
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return;
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if (view.Parent == null)
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return;
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((ViewGroup)view.Parent).RemoveView(view);
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}
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public static void SetBackground(this AView view, Drawable drawable)
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{
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if (s_apiLevel < 16)
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{
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#pragma warning disable 618 // Using older method for compatibility with API 15
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view.SetBackgroundDrawable(drawable);
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#pragma warning restore 618
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}
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else
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{
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view.Background = drawable;
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}
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}
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public static void SetWindowBackground(this AView view)
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{
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Context context = view.Context;
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using (var background = new TypedValue())
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{
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if (context.Theme.ResolveAttribute(global::Android.Resource.Attribute.WindowBackground, background, true))
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{
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string type = context.Resources.GetResourceTypeName(background.ResourceId).ToLower();
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switch (type)
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{
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case "color":
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var color = new AColor(ContextCompat.GetColor(context, background.ResourceId));
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view.SetBackgroundColor(color);
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break;
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case "drawable":
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using (Drawable drawable = ContextCompat.GetDrawable(context, background.ResourceId))
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view.SetBackground(drawable);
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break;
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}
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}
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}
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}
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}
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} |