public SignatureImageViewModel()
{
_sigService = DependencyService.Get<ISignatureService> ();
SignatureCommand = new Command(async (obj) => {
Debug.WriteLine("Signature pad requested...");
var result = await _sigService.Request(new SignaturePadConfiguration() {
StrokeColor = Color.Blue,
StrokeWidth = Device.OnPlatform<int>(2, 4, 4),
ClearTextColor = Color.Red,
PromptTextColor = Color.Red,
SignatureLineColor = Color.Red,
CaptionText = "Rotate for larger signing area",
CaptionTextColor = Color.Black
});
if (result.Cancelled)
await UserDialogs.Instance.AlertAsync("Signature Cancelled");
else {
using (var sigStream = result.GetStream())
{
sigStream.Position = 0;
var ms = new MemoryStream();
sigStream.CopyTo(ms);
byte[] sigBytes = ms.ToArray();
SignatureImage = sigBytes;
}
}
});
}