internal static UITextField?GetSearchTextField(this UISearchBar searchBar)
{
if (OperatingSystem.IsIOSVersionAtLeast(13))
{
return(searchBar.SearchTextField);
}
else
{
return(searchBar.GetSearchTextField());
}
}
public static void UpdateVerticalTextAlignment(this UISearchBar uiSearchBar, ISearchBar searchBar, UITextField?textField)
{
textField ??= uiSearchBar.GetSearchTextField();
if (textField == null)
{
return;
}
textField.VerticalAlignment = searchBar.VerticalTextAlignment.ToPlatformVertical();
}
public static void UpdateFont(this UISearchBar uiSearchBar, ITextStyle textStyle, IFontManager fontManager, UITextField?textField)
{
textField ??= uiSearchBar.GetSearchTextField();
if (textField == null)
{
return;
}
textField.UpdateFont(textStyle, fontManager);
}
public static void UpdateIsTextPredictionEnabled(this UISearchBar uiSearchBar, ISearchBar searchBar, UITextField?textField)
{
textField ??= uiSearchBar.GetSearchTextField();
if (textField == null)
{
return;
}
if (searchBar.IsTextPredictionEnabled)
{
textField.AutocorrectionType = UITextAutocorrectionType.Yes;
}
else
{
textField.AutocorrectionType = UITextAutocorrectionType.No;
}
}
public static void UpdatePlaceholder(this UISearchBar uiSearchBar, ISearchBar searchBar, UITextField?textField)
{
textField ??= uiSearchBar.GetSearchTextField();
if (textField == null)
{
return;
}
var placeholder = searchBar.Placeholder ?? string.Empty;
var placeholderColor = searchBar.PlaceholderColor;
var foregroundColor = placeholderColor ?? ColorExtensions.PlaceholderColor.ToColor();
textField.AttributedPlaceholder = foregroundColor == null
? new NSAttributedString(placeholder)
: new NSAttributedString(str: placeholder, foregroundColor: foregroundColor.ToPlatform());
textField.AttributedPlaceholder.WithCharacterSpacing(searchBar.CharacterSpacing);
}
