public static void UpdateText(this EditText editText, InputView inputView)
{
bool isPasswordEnabled =
(editText.InputType & InputTypes.TextVariationPassword) == InputTypes.TextVariationPassword ||
(editText.InputType & InputTypes.NumberVariationPassword) == InputTypes.NumberVariationPassword;
// Setting the text causes the cursor to be reset to position zero.
// So, let's retain the current cursor position and calculate a new cursor
// position if the text was modified by a Converter.
var oldText = editText.Text ?? string.Empty;
var newText = TextTransformUtilites.GetTransformedText(
inputView?.Text,
isPasswordEnabled ? TextTransform.None : inputView.TextTransform
);
// Re-calculate the cursor offset position if the text was modified by a Converter.
// but if the text is being set by code, let's just move the cursor to the end.
var cursorOffset = newText.Length - oldText.Length;
int cursorPosition = editText.IsFocused ? editText.GetCursorPosition(cursorOffset) : newText.Length;
if (oldText != newText)
{
editText.Text = newText;
}
editText.SetSelection(cursorPosition, cursorPosition);
}