public App()
{
_protocolsPage = new ProtocolsPage();
MainPage = new NavigationPage(_protocolsPage);
}
public static void DisplayAndStartAsync(Protocol protocol)
{
new Thread(() =>
{
if (protocol == null)
SensusServiceHelper.Get().FlashNotificationAsync("Protocol is empty. Cannot display or start it.");
else if (protocol.Running)
SensusServiceHelper.Get().FlashNotificationAsync("You are already participating in \"" + protocol.Name + "\".");
else
{
Device.BeginInvokeOnMainThread(async () =>
{
// display the protocols page if it isn't already up
ProtocolsPage protocolsPage = null;
Page topPage = App.Current.MainPage.Navigation.NavigationStack.Last();
if (topPage is ProtocolsPage)
protocolsPage = topPage as ProtocolsPage;
else
{
protocolsPage = new ProtocolsPage();
await App.Current.MainPage.Navigation.PushAsync(protocolsPage);
}
// ask user to start protocol
protocol.StartWithUserAgreementAsync("You just opened \"" + protocol.Name + "\" within Sensus.", () =>
{
Device.BeginInvokeOnMainThread(() =>
{
// rebind to pick up any color changes
protocolsPage.Bind();
});
});
});
}
}).Start();
}