// Code to execute when the application is launching (eg, from Start)
// This code will not execute when the application is reactivated
private void Application_Launching(object sender, LaunchingEventArgs e)
{
using (YapperDataContext locdb = new YapperDataContext())
{
if (locdb.DatabaseExists() == false)
{
locdb.CreateDatabase();
}
}
if (UserSettingsModel.Instance.IsAuthenticated())
{
DataSync.Instance.Sync();
// kick off a background task to sync the conversation list from server
// to phone and update the observable collection
BackgroundWorker exceptionWorker = new BackgroundWorker();
exceptionWorker.DoWork += this.UploadExceptions;
exceptionWorker.RunWorkerAsync();
BackgroundWorker unsentWorker = new BackgroundWorker();
unsentWorker.DoWork += this.UploadUnsentMessages;
unsentWorker.RunWorkerAsync();
}
}
/// <summary>
/// Constructor for the Application object.
/// </summary>
public App()
{
// Global handler for uncaught exceptions.
UnhandledException += Application_UnhandledException;
// Standard Silverlight initialization
InitializeComponent();
this.MergeCustomColors();
// 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;
}
// Create the data base here if it does not exist already
using (YapperDataContext locdb = new YapperDataContext())
{
if (locdb.DatabaseExists() == false)
{
locdb.CreateDatabase();
// Set the database version
DatabaseSchemaUpdater dbUpdater = locdb.CreateDatabaseSchemaUpdater();
dbUpdater.DatabaseSchemaVersion = YapperDataContext.DbVersion;
dbUpdater.Execute();
}
else
{
// Check whether a database update is needed.
DatabaseSchemaUpdater dbUpdater = locdb.CreateDatabaseSchemaUpdater();
if (dbUpdater.DatabaseSchemaVersion < YapperDataContext.DbVersion)
{
int oldVersion = dbUpdater.DatabaseSchemaVersion;
for (int i = oldVersion + 1; i <= YapperDataContext.DbVersion; i++)
{
if (YapperDataContext.NewColumnsInVersion.ContainsKey(i))
{
Action <DatabaseSchemaUpdater> updater = YapperDataContext.NewColumnsInVersion[i];
updater(dbUpdater);
}
}
// Add the new database version.
dbUpdater.DatabaseSchemaVersion = YapperDataContext.DbVersion;
// Perform the database update in a single transaction.
dbUpdater.Execute();
// Post schema upgrade task
for (int i = oldVersion + 1; i <= YapperDataContext.DbVersion; i++)
{
if (YapperDataContext.PostDatabaseUpgradeOperation.ContainsKey(i))
{
Action updater = YapperDataContext.PostDatabaseUpgradeOperation[i];
updater();
}
}
}
}
}
PhoneApplicationService.Current.Activated += Application_Activated;
watcher = new Geolocator();
watcher.MovementThreshold = 100;
watcher.DesiredAccuracy = PositionAccuracy.High;
watcher.DesiredAccuracyInMeters = 50;
}
