void SetPageState(PredictionPageState state)
{
pageState = state;
switch (pageState)
{
case PredictionPageState.CameraReady:
{
HeroImage = null;
}
break;
case PredictionPageState.NoCameraReady:
{
HeroImage = ImageSource.FromFile("CameraMissing");
TitleLabel = ApplicationResource.CameraNotSupportedTitle;
MessageLabel = ApplicationResource.CameraNotSupportedMessage;
}
break;
case PredictionPageState.NoModelAvailable:
{
HeroImage = ImageSource.FromFile("CloudMissing");
TitleLabel = ApplicationResource.PredictionModelUnavailableTitle;
MessageLabel = ApplicationResource.PredictionModelUnavailableMessage;
}
break;
case PredictionPageState.Uploading:
{
HeroImage = ImageSource.FromFile("CameraUpload");
TitleLabel = ApplicationResource.PagePredictionInputUploadingTitle;
MessageLabel = ApplicationResource.PagePredictionInputUploadingMessage;
}
break;
default:
break;
}
var eventData = new PageStateEventArgs(pageState);
UpdatePageState?.Invoke(this, eventData);
}
public PredictionInputViewModel(INavigation navigation)
{
this.Navigation = navigation;
database = ServiceContainer.Resolve <IDatabase>();
RefreshViewCommand = new Command(async() =>
{
var hasActiveModel = await AzureService.RemoteModelAvailable();
var hasModelName = !string.IsNullOrEmpty(Settings.PublishedModelName);
bool isAvilable = (hasActiveModel || hasModelName);
PredictionPageState state = isAvilable ?
(CrossMedia.Current.IsCameraAvailable ? PredictionPageState.CameraReady : PredictionPageState.NoCameraReady)
: PredictionPageState.NoModelAvailable;
SetPageState(state);
});
BrowseMediaCommand = new Command(async() => await PickPhoto());
}
public PageStateEventArgs(PredictionPageState state)
{
State = state;
}
