//Used when the database is modified.
public void SaveChangesToDB()
{
try
{
dbMutex.WaitOne();
db.SubmitChanges();
dbMutex.ReleaseMutex();
}
catch (ChangeConflictException e)
{
System.Diagnostics.Debug.WriteLine("ERROR!!!: " + e);
return;
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("ERROR!!!: " + e);
}
}
/// <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();
// URI Mapper
RootFrame.UriMapper = Resources["UriMapper"] as UriMapper;
// 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;
}
// Initialize application wide settings and DataBase utilities.
using (LocalDatabaseDataContext db = new LocalDatabaseDataContext(DBLocation))
{
//Inorder to clean the db uncomment the next line
//db.DeleteDatabase();
if (!db.DatabaseExists())
{
db.CreateDatabase();
}
db.SubmitChanges();
}
// Needs to be called AFTER DatabaseContext is Disposed above.
DataBaseUtility = new DataUtils(DBLocation);
Favorites = new Category {
CategoryTitle = "Favorites"
};
App.DataBaseUtility.AddCategory(Favorites);
App.DataBaseUtility.SaveChangesToDB();
ApplicationSettings = new Settings();
// WebTools object used for initial download and refreshing.
SynFeedDownloader = new WebTools(new SynFeedParser());
// ArticleSource array used to keep track of article page source.
ArticleSource = new string[2];
// Create the background agent if it does not already exist on the scheduler.
BackgroundAgentTools BGTools = new BackgroundAgentTools();
BGTools.StartPeriodicAgent();
// Redirect initial navigation.
RootFrame.Navigating += new NavigatingCancelEventHandler(RootFrame_Navigating);
}