public override void OnViewCreated(View view, Bundle savedInstanceState)
{
base.OnViewCreated(view, savedInstanceState);
var viewModel = (InstructionSignatureViewModel)ViewModel;
signaturePad.Clear();
this.MimicSignaturePadDisabled(!viewModel.IsSignaturePadEnabled);
signaturePad.BackgroundColor = AndroidGraphics.Color.Rgb(204, 207, 209); // Match the color of an EditText
signaturePad.SignaturePrompt.Text = string.Empty;
signaturePad.ClearLabel.TextSize = 20.0f;
}
public override void ViewWillAppear(bool animated)
{
base.ViewWillAppear(animated);
//Clear the signature prior to appearing
signatureView.Clear();
}
private void OnClear()
{
_signatureView.Clear();
PrintedName = string.Empty;
Email = string.Empty;
PictureList = new ObservableCollection <SignatureImage>();
}
private void BtnClear_Click(object sender, EventArgs e)
{
sign_pad.Clear();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
clear = new UIBarButtonItem("Clear", UIBarButtonItemStyle.Bordered, (sender, e) => {
signatureView.Clear();
});
clear.SetTitleTextAttributes(new UITextAttributes {
TextColor = UIColor.Blue
}, UIControlState.Normal);
clear.SetBackgroundImage(Theme.DarkBarButtonItem, UIControlState.Normal, UIBarMetrics.Default);
cancel = new UIBarButtonItem("Cancel", UIBarButtonItemStyle.Bordered, (sender, e) => {
controller.Dismiss(true);
});
cancel.SetTitleTextAttributes(new UITextAttributes {
TextColor = UIColor.Blue
}, UIControlState.Normal);
cancel.SetBackgroundImage(Theme.DarkBarButtonItem, UIControlState.Normal, UIBarMetrics.Default);
save = new UIBarButtonItem("Save", UIBarButtonItemStyle.Bordered, (sender, e) => {
//If blank, return
if (signatureView.IsBlank)
{
new UIAlertView(string.Empty, "No signature!", null, "Ok").Show();
return;
}
if (assignmentViewModel.Signature == null)
{
assignmentViewModel.Signature = new Data.Signature {
AssignmentId = assignmentViewModel.SelectedAssignment.Id
}
}
;
assignmentViewModel.Signature.Image = signatureView.GetImage().ToByteArray();
assignmentViewModel.SaveSignatureAsync()
.ContinueWith(_ => {
BeginInvokeOnMainThread(() => controller.Dismiss(true));
});
});
save.SetTitleTextAttributes(new UITextAttributes {
TextColor = UIColor.Blue
}, UIControlState.Normal);
save.SetBackgroundImage(Theme.DarkBarButtonItem, UIControlState.Normal, UIBarMetrics.Default);
NavigationItem.LeftBarButtonItem = cancel;
NavigationItem.SetRightBarButtonItems(UIDevice.CurrentDevice.CheckSystemVersion(8, 0) ?
new UIBarButtonItem [] { save, clear } :
new UIBarButtonItem [] { save },
false);
NavigationController.NavigationBar.SetBackgroundImage(null, UIBarMetrics.Default);
signatureView = new SignaturePadView(View.Frame)
{
AutoresizingMask = UIViewAutoresizing.All
};
View.AddSubview(signatureView);
}