AndroidMaterialEntryRenderer.cs

protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)
{
    base.OnElementChanged(e);

    if (Control == null || e.NewElement == null) return;

    if (e.NewElement is MyMaterialEntry customEntry)
    {
        EditText.SetHighlightColor(color: customEntry.MyHighlightColor.ToAndroid());

        try
        {
            JNIEnv.SetField(EditText.Handle, JNIEnv.GetFieldID(JNIEnv.FindClass(typeof(TextView)), "mCursorDrawableRes", "I"), 0);
            using (var textViewTemplate = new TextView(EditText.Context))
            {
                var field = textViewTemplate.Class.GetDeclaredField("mEditor");
                field.Accessible = true;
                var editor = field.Get(EditText);

                string[]
                fieldsNames = { "mTextSelectHandleLeftRes", "mTextSelectHandleRightRes", "mTextSelectHandleRes" },
                drawablesNames = { "mSelectHandleLeft", "mSelectHandleRight", "mSelectHandleCenter" };

                for (int index = 0; index < fieldsNames.Length && index < drawablesNames.Length; index++)
                {
                    field = textViewTemplate.Class.GetDeclaredField(fieldsNames[index]);
                    field.Accessible = true;
                    Drawable handleDrawable = ContextCompat.GetDrawable(Context, field.GetInt(EditText));

                    handleDrawable.SetColorFilter(new PorterDuffColorFilter(customEntry.MyHighlightColor.ToAndroid(), PorterDuff.Mode.SrcIn));

                    field = editor.Class.GetDeclaredField(drawablesNames[index]);
                    field.Accessible = true;
                    field.Set(editor, handleDrawable);
                }
            }
        }
        catch (NoSuchFieldError)
        {
        }
        catch (NoSuchFieldException)
        {
        }
        catch (ReflectiveOperationException)
        {
        }                
    }
}