public override async Task ConfigureUIAsync()
{
await base.ConfigureUIAsync();
var textArea = new TextArea()
{
Text = Model.InitialText,
VerticalAlignment = VerticalAlignment.Stretch
};
SetContent(textArea);
var readButton = new MenuButton()
{
Title = Strings.Read,
IsEnabled = Model.FileExists,
Action = async(button) => textArea.Text = await File.ReadAllTextAsync(Model.FileName)
};
var writeButton = new MenuButton()
{
Title = Strings.Write,
IsEnabled = Model.FileExists,
Action = async(button) =>
{
Alert resultAlert = null;
try
{
await File.WriteAllTextAsync(Model.FileName, textArea.Text);
readButton.IsEnabled = true;
resultAlert = new Alert(Strings.FileWrittenSuccessfully, string.Empty);
}
catch (Exception e)
{
resultAlert = new Alert(e.Message, Strings.IOWriteError);
}
resultAlert.AddButton(new AlertButton(Strings.OK));
resultAlert.Show();
}
};
Menu = new ActionMenu()
{
MaxDisplayItems = 2,
Items = { writeButton, readButton }
};
textArea.TextChanged += (o, e) => writeButton.IsEnabled = !string.IsNullOrEmpty(e.NewText);
}
