protected override void OnAttached()
{
formsEditor = Element as EditorWithPlaceholder;
nativeTextField = Control as EditText;
try
{
placeholderText = new TextView(Forms.Context)
{
Text = formsEditor.Placeholder,
};
placeholderText.SetBackgroundColor(Android.Graphics.Color.Transparent);
placeholderText.SetTextColor(formsEditor.PlaceholderTextColor.ToAndroid());
placeholderText.SetLines(1);
backgroundColor = Android.Graphics.Color.White;
Control.SetBackgroundColor(backgroundColor);
if (string.IsNullOrEmpty(formsEditor.Text))
{
placeholderText.Alpha = 1;
}
else
{
placeholderText.Alpha = 0;
}
nativeTextField.Add(placeholderText);
}
catch (Exception ex)
{
Console.WriteLine("Cannot set property on attached control. Error: ", ex.Message);
}
}
protected override void OnAttached()
{
formsEditor = Element as EditorWithPlaceholder;
nativeTextField = Control as UITextView;
placeholderText = new UILabel
{
LineBreakMode = UILineBreakMode.WordWrap,
Lines = 1,
BackgroundColor = UIColor.Clear,
TextColor = formsEditor.PlaceholderTextColor.ToUIColor(),
Text = formsEditor.Placeholder
};
if (string.IsNullOrEmpty(formsEditor.Text))
{
placeholderText.Alpha = 1;
}
else
{
placeholderText.Alpha = 0;
}
nativeTextField.AddSubview(placeholderText);
}
private void CreatePlaceholderLabel(EditorWithPlaceholder element, UITextView parent)
{
placeholderLabel = new UILabel
{
Text = element.Placeholder,
TextColor = element.PlaceholderColor.ToUIColor(),
BackgroundColor = UIColor.Clear,
TextAlignment = UITextAlignment.Natural
};
placeholderLabel.SizeToFit();
parent.AddSubview(placeholderLabel);
parent.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints();
parent.AddConstraints(placeholderLabel.AtLeftOf(parent, 7), placeholderLabel.WithSameCenterY(parent));
parent.LayoutIfNeeded();
placeholderLabel.Hidden = parent.HasText;
}
