///<inheritdoc/>
public App()
{
this.startupProfiler = new Profiler("Startup", ProfilerThreadType.Sequential); // Comment out to remove startup profiling.
this.startupProfiler?.Start();
this.startupProfiler?.NewState("Init");
AppDomain.CurrentDomain.FirstChanceException += CurrentDomain_FirstChanceException;
AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
InitializeComponent();
try
{
this.startupProfiler?.NewState("Types");
Assembly appAssembly = this.GetType().Assembly;
if (!Types.IsInitialized)
{
// Define the scope and reach of Runtime.Inventory (Script, Serialization, Persistence, IoC, etc.):
Types.Initialize(
appAssembly, // Allows for objects defined in this assembly, to be instantiated and persisted.
typeof(Database).Assembly, // Indexes default attributes
typeof(ObjectSerializer).Assembly, // Indexes general serializers
typeof(FilesProvider).Assembly, // Indexes special serializers
typeof(RuntimeSettings).Assembly, // Allows for persistence of settings in the object database
typeof(InternetContent).Assembly, // Common Content-Types
typeof(XML).Assembly, // XML Content-Type
typeof(MarkdownDocument).Assembly, // Markdown support
typeof(XmppClient).Assembly, // Serialization of general XMPP objects
typeof(ContractsClient).Assembly, // Serialization of XMPP objects related to digital identities and smart contracts
typeof(ProvisioningClient).Assembly, // Serialization of XMPP objects related to thing registries, provisioning and decision support.
typeof(SensorClient).Assembly, // Serialization of XMPP objects related to sensors
typeof(ControlClient).Assembly, // Serialization of XMPP objects related to actuators
typeof(ConcentratorClient).Assembly, // Serialization of XMPP objects related to concentrators
typeof(Expression).Assembly, // Indexes basic script functions
typeof(XmppServerlessMessaging).Assembly, // Indexes End-to-End encryption mechanisms
typeof(TagConfiguration).Assembly, // Indexes persistable objects
typeof(RegistrationStep).Assembly); // Indexes persistable objects
}
this.startupProfiler?.NewState("SDK");
// Create Services
this.sdk = TagIdSdk.Create(appAssembly, this.startupProfiler, new XmppConfiguration().ToArray());
this.imageCacheService = new ImageCacheService(this.sdk.SettingsService, this.sdk.LogService);
this.sdk.RegisterSingleton <IImageCacheService, ImageCacheService>(this.imageCacheService);
this.contractOrchestratorService = new ContractOrchestratorService(this.sdk.TagProfile, this.sdk.UiDispatcher, this.sdk.NeuronService, this.sdk.NavigationService, this.sdk.LogService, this.sdk.NetworkService, this.sdk.SettingsService);
this.sdk.RegisterSingleton <IContractOrchestratorService, ContractOrchestratorService>(this.contractOrchestratorService);
this.thingRegistryOrchestratorService = new ThingRegistryOrchestratorService(this.sdk.TagProfile, this.sdk.UiDispatcher, this.sdk.NeuronService, this.sdk.NavigationService, this.sdk.LogService, this.sdk.NetworkService);
this.sdk.RegisterSingleton <IThingRegistryOrchestratorService, ThingRegistryOrchestratorService>(this.thingRegistryOrchestratorService);
// Set resolver
DependencyResolver.ResolveUsing(type =>
{
object obj = this.sdk.Resolve(type);
if (!(obj is null))
{
return(obj);
}
if (Types.GetType(type.FullName) is null)
{
return(null); // Type not managed by Runtime.Inventory. Xamarin.Forms resolves this using its default mechanism.
}
return(Types.Instantiate(true, type));
});
// Get the db started right away to save startup time.
this.sdk.StorageService.Init(this.startupProfiler?.CreateThread("Database", ProfilerThreadType.Sequential));
// Register log listener (optional)
this.sdk.LogService.AddListener(new AppCenterEventSink(this.sdk.LogService));
}
catch (Exception e)
{
e = Waher.Events.Log.UnnestException(e);
this.startupProfiler?.Exception(e);
DisplayBootstrapErrorPage(e.Message, e.StackTrace);
return;
}
// Start page
try
{
this.startupProfiler?.NewState("MainPage");
this.MainPage = new AppShell();
}
catch (Exception e)
{
e = Waher.Events.Log.UnnestException(e);
this.startupProfiler?.Exception(e);
this.sdk.LogService.SaveExceptionDump("StartPage", e.ToString());
}
this.startupProfiler?.MainThread.Idle();
}
/// <summary>
/// Creates an instance of the <see cref="ITagIdSdk"/>. This is a factory method.
/// </summary>
/// <param name="appAssembly">The assembly containing the main App class.</param>
/// <param name="startupProfiler">Optional Startup profiler. May be null.</param>
/// <param name="domains">Featured domains.</param>
/// <returns>Tag ID SDK instance reference.</returns>
public static ITagIdSdk Create(Assembly appAssembly, Profiler startupProfiler, params DomainModel[] domains)
{
return(_instance ?? (_instance = new TagIdSdk(appAssembly, startupProfiler, domains)));
}