protected override MaterialFormsTextInputLayout CreateNativeControl()
{
LayoutInflater inflater = LayoutInflater.FromContext(Context);
var view = inflater.Inflate(Resource.Layout.TextInputLayoutFilledBox, null);
_textInputLayout = (MaterialFormsTextInputLayout)view;
_textInputEditText = _textInputLayout.FindViewById <MaterialFormsEditText>(Resource.Id.materialformsedittext);
return(_textInputLayout);
}
protected override MaterialFormsTextInputLayout CreateNativeControl()
{
LayoutInflater inflater = LayoutInflater.FromContext(Context);
var view = inflater.Inflate(Resource.Layout.TextInputLayoutFilledBox, null);
_textInputLayout = (MaterialFormsTextInputLayout)view;
_textInputEditText = _textInputLayout.FindViewById<MaterialFormsEditText>(Resource.Id.materialformsedittext);
_textInputEditText.FocusChange += TextInputEditTextFocusChange;
_textInputLayout.Hint = Element.Placeholder;
return _textInputLayout;
}
void IVisualElementRenderer.SetElement(VisualElement element)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
if (!(element is Entry))
{
throw new ArgumentException($"{nameof(element)} must be of type {nameof(Entry)}");
}
VisualElement oldElement = Entry;
Entry = (Entry)element;
Performance.Start(out string reference);
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
oldElement.FocusChangeRequested -= OnFocusChangeRequested;
}
if (oldElement == null)
{
_textInputEditText = new MaterialFormsEditText(Context);
AddView(_textInputEditText);
_textInputEditText.FocusChange += _textInputEditText_FocusChange;
Hint = Entry.Placeholder;
_textInputEditText.AddTextChangedListener(this);
_textInputEditText.SetOnEditorActionListener(this);
_textInputEditText.OnKeyboardBackPressed += OnKeyboardBackPressed;
_textInputEditText.SelectionChanged += SelectionChanged;
var useLegacyColorManagement = Entry.UseLegacyColorManagement();
_textColorSwitcher = new TextColorSwitcher(_textInputEditText.TextColors, useLegacyColorManagement);
_hintColorSwitcher = new TextColorSwitcher(_textInputEditText.HintTextColors, useLegacyColorManagement);
}
// When we set the control text, it triggers the SelectionChanged event, which updates CursorPosition and SelectionLength;
// These one-time-use variables will let us initialize a CursorPosition and SelectionLength via ctor/xaml/etc.
_cursorPositionChangePending = Element.IsSet(Entry.CursorPositionProperty);
_selectionLengthChangePending = Element.IsSet(Entry.SelectionLengthProperty);
Hint = Entry.Placeholder;
_textInputEditText.Text = Entry.Text;
UpdateInputType();
UpdateColor();
UpdateAlignment();
UpdateFont();
UpdatePlaceholderColor(true);
UpdateMaxLength();
UpdateImeOptions();
UpdateReturnType();
UpdateBackgroundColor();
if (_cursorPositionChangePending || _selectionLengthChangePending)
{
UpdateCursorSelection();
}
element.PropertyChanged += OnElementPropertyChanged;
if (_tracker == null)
{
_tracker = new VisualElementTracker(this);
}
element.SendViewInitialized(this);
EffectUtilities.RegisterEffectControlProvider(this, oldElement, element);
Performance.Stop(reference);
ElementChanged?.Invoke(this, new VisualElementChangedEventArgs(oldElement, element));
element.FocusChangeRequested += OnFocusChangeRequested;
}