/// <summary>
/// Constructor for the Application object.
/// </summary>
public App()
{
// Global handler for uncaught exceptions.
UnhandledException += Application_UnhandledException;
// Standard Silverlight initialization
InitializeComponent();
// Phone-specific initialization
InitializePhoneApplication();
// Show graphics profiling information while debugging.
if (System.Diagnostics.Debugger.IsAttached)
{
// Display the current frame rate counters.
Application.Current.Host.Settings.EnableFrameRateCounter = true;
// Show the areas of the app that are being redrawn in each frame.
//Application.Current.Host.Settings.EnableRedrawRegions = true;
// Enable non-production analysis visualization mode,
// which shows areas of a page that are handed off to GPU with a colored overlay.
//Application.Current.Host.Settings.EnableCacheVisualization = true;
// Disable the application idle detection by setting the UserIdleDetectionMode property of the
// application's PhoneApplicationService object to Disabled.
// Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
// and consume battery power when the user is not using the phone.
PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
}
// Check version of app
bool IsVersionChanged = false;
if (_IsolatedStorageSettings.Contains("AppCurrentVersion"))
{
if (_IsolatedStorageSettings["AppCurrentVersion"].Equals(PhoneHelper.GetAppAttribute("Version")))
{
Debug.WriteLine("Version hasn't changed"); // do nothing
}
else
{
// App Version has changed
_IsolatedStorageSettings.Remove("AppCurrentVersion");
_IsolatedStorageSettings.Add("AppCurrentVersion", PhoneHelper.GetAppAttribute("Version"));
Debug.WriteLine("New Version");
IsVersionChanged = true;
Debug.WriteLine("App Current Version = " + _IsolatedStorageSettings["AppCurrentVersion"]);
}
}
else
{
// add the Version setting
_IsolatedStorageSettings.Add("AppCurrentVersion", PhoneHelper.GetAppAttribute("Version"));
Debug.WriteLine("App Current Version = " + _IsolatedStorageSettings["AppCurrentVersion"]);
}
_IsolatedStorageSettings.Save();
// Specify the local database connection string.
string DBConnectionString = "Data Source=isostore:/Translator.sdf";
// Create the database if it does not exist.
using (TranslatorDataContext db = new TranslatorDataContext(DBConnectionString))
{
#if (DEBUG)
// Debug.WriteLine("Deleting database db");
// db.DeleteDatabase();
#endif
if (db.DatabaseExists() == false)
{
// Create the local database.
Debug.WriteLine("Creating database");
db.CreateDatabase();
// Save categories to the database.
db.SubmitChanges();
}
else if (db.DatabaseExists() == true && IsVersionChanged == true)
{
// rebuild the database for new version of app
Debug.WriteLine("Rebuilding database ");
// dont need to rebuild for version 1.4
// db.DeleteDatabase();
// db.CreateDatabase();
}
}
// Create the ViewModel object.
viewModel = new TranslatorViewModel(DBConnectionString);
// Query the local database and load observable collections.
viewModel.LoadCollectionsFromDatabase();
#region Nuance setup
this.ApplicationLifetimeObjects.Add(new XNAAsyncDispatcher(TimeSpan.FromMilliseconds(50)));
#endregion
}
// Class constructor, create the data context object.
public TranslatorViewModel(string translatorDBConnectionString)
{
translatorDB = new TranslatorDataContext(translatorDBConnectionString);
}
