EditTextEx CreateEdit(ViewGroup.LayoutParams lp)
{
var edit = new EditTextEx(AppMain.Activity);
edit.LayoutParameters = lp;
AppMain.Current.RootView.AddView(edit);
return(edit);
}
private void InitTextField()
{
_layoutParams = new RelativeLayout.LayoutParams(10, 10);
_layoutParams.SetMargins(0, 0, 0, 0);
_textField = CreateEdit(_layoutParams);
var drawable = new ShapeDrawable(new RectShape());
drawable.Paint.StrokeWidth = 0;
drawable.Paint.SetStyle(Android.Graphics.Paint.Style.Fill);
drawable.Paint.Color = new Android.Graphics.Color(255, 255, 255);
_textField.SetBackgroundDrawable(drawable);
_textField.SetTextColor(Android.Graphics.Color.Black);
_textField.SetIncludeFontPadding(false);
_textField.Visibility = Android.Views.ViewStates.Invisible;
_textField.SetHighlightColor(new Android.Graphics.Color(128, 128, 128));
_textField.SetHintTextColor(new Android.Graphics.Color(128, 128, 128));
_textField.OnBackPressed += UnfocusByBack;
}
public NativeInput(Rectangle position, TextInputType textInputType, string text, int textSize, Align textAlign, ITextEdit controller)
{
if (CurrentFocus != null)
{
CurrentFocus.Unfocus();
}
_controller = controller;
CurrentFocus = this;
if (_textField != null)
{
EditTextEx field = _textField;
field.OnBackPressed -= UnfocusByBack;
_textField = null;
DelayedActionInvoker.Instance.AddAction(10, (s) =>
{
AppMain.Current.RootView.RemoveView(field);
});
}
{
InitTextField();
}
DisplayMetrics metrics = AppMain.Activity.Resources.DisplayMetrics;
int padding = 0;
if (textInputType == TextInputType.MultilineText)
{
padding = 0;
}
_textField.SetTextSize(Android.Util.ComplexUnitType.Px, (float)(UiUnit.FontUnit * textSize));
_textField.SetHeight(position.Height);
_textField.SetPadding(0, padding, _textField.PaddingRight, padding);
_textField.InputType = TypeFromContext(textInputType);
if (textInputType.HasFlag(TextInputType.Uppercase))
{
_textField.SetFilters(new IInputFilter[] { new InputFilterLengthFilter(controller.MaxLength), new InputFilterAllCaps() });
}
else
{
_textField.SetFilters(new IInputFilter[] { new InputFilterLengthFilter(controller.MaxLength) });
}
switch (textAlign & Align.Horz)
{
case Align.Left:
_textField.Gravity = GravityFlags.CenterVertical | GravityFlags.Left;
break;
case Align.Center:
_textField.Gravity = GravityFlags.CenterVertical | GravityFlags.CenterHorizontal;
break;
case Align.Right:
_textField.Gravity = GravityFlags.CenterVertical | GravityFlags.Right;
break;
}
if ((textInputType & TextInputType.TypeFilter) == TextInputType.MultilineText)
{
_textField.SetMaxLines(controller.MaxLines);
_textField.EditorAction -= HandleEditorAction;
_textField.Gravity = GravityFlags.Left | GravityFlags.Top;
_textField.SetSingleLine(false);
_textField.ImeOptions = ImeAction.ImeNull | (ImeAction)ImeFlags.NoExtractUi;
}
else
{
_textField.SetMaxLines(1);
_textField.EditorAction += HandleEditorAction;
_textField.SetSingleLine(true);
_textField.ImeOptions = (controller.WaitsForReturn ? ImeAction.Next : ImeAction.Done) | (ImeAction)ImeFlags.NoExtractUi;
}
if (textInputType.HasFlag(TextInputType.NoSuggestions))
{
_textField.ImeOptions |= (ImeAction)InputTypes.TextFlagNoSuggestions;
}
_textField.SetAllCaps((textInputType & TextInputType.TypeFilter) == TextInputType.Uppercase);
_textField.TransformationMethod = textInputType == TextInputType.Password ? new PasswordTransformationMethod(): null;
_layoutParams.SetMargins(position.X, position.Y + 4, 0, 0);
_layoutParams.Width = position.Width;
_layoutParams.Height = position.Height - 4;
_textField.Text = text;
_textField.SetSelection(_textField.Text.Length, _textField.Text.Length);
_textField.TextChanged += HandleEditingChanged;
_textField.FocusChange += HandleFocusChange;
_textField.RequestLayout();
_textField.Visibility = Android.Views.ViewStates.Visible;
_textField.SetCursorVisible(true);
_textField.RequestFocus();
_textField.RequestFocusFromTouch();
ShowKeyboard(_textField);
}