/// <summary>
/// Call this as the VERY FIRST THING in FinishedLaunching
/// </summary>
public void Track()
{
var needsSync = false;
// load history
#if SILVERLIGHT
var noValues = (!AppSettings.Contains(xamVersionsKey) || !AppSettings.Contains(xamBuildsKey));
#else
var noValues = (!AppSettings.Values.ContainsKey(xamVersionsKey) || !AppSettings.Values.ContainsKey(xamBuildsKey));
#endif
if (noValues)
{
isFirstLaunchEver = true;
versionTrail = new Dictionary <string, List <string> > {
{ xamVersionsKey, new List <string>() },
{ xamBuildsKey, new List <string>() }
};
}
else
{
#if SILVERLIGHT
var oldVersionList = AppSettings[xamVersionsKey] as List <string>;
var oldBuildList = AppSettings[xamBuildsKey] as List <string>;
#else
var oldVersionList = AppSettings.Values[xamVersionsKey] as List <string>;
var oldBuildList = AppSettings.Values[xamBuildsKey] as List <string>;
#endif
versionTrail = new Dictionary <string, List <string> > {
{ xamVersionsKey, oldVersionList },
{ xamBuildsKey, oldBuildList }
};
isFirstLaunchEver = false;
needsSync = true;
}
//check if this version was previously launched
if (versionTrail[xamVersionsKey].Contains(CurrentVersion))
{
isFirstLaunchForVersion = false;
}
else
{
isFirstLaunchForVersion = true;
versionTrail[xamVersionsKey].Add(CurrentVersion);
needsSync = true;
}
//check if this build was previously launched
if (versionTrail[xamBuildsKey].Contains(CurrentBuild))
{
isFirstLaunchForBuild = false;
}
else
{
isFirstLaunchForBuild = true;
versionTrail[xamBuildsKey].Add(CurrentBuild);
needsSync = true;
}
//store the new version stuff
if (needsSync)
{
lock (locker) {
#if SILVERLIGHT
if (!AppSettings.Contains(xamVersionsKey))
{
AppSettings.Add(xamVersionsKey, versionTrail[xamVersionsKey]);
}
else
{
AppSettings[xamVersionsKey] = versionTrail[xamVersionsKey];
}
if (!AppSettings.Contains(xamBuildsKey))
{
AppSettings.Add(xamBuildsKey, versionTrail[xamBuildsKey]);
}
else
{
AppSettings[xamBuildsKey] = versionTrail[xamBuildsKey];
}
AppSettings.Save();
#else
if (!AppSettings.Values.ContainsKey(xamVersionsKey))
{
AppSettings.CreateContainer(xamVersionsKey, ApplicationDataCreateDisposition.Always);
}
if (AppSettings.Values.ContainsKey(xamBuildsKey))
{
AppSettings.CreateContainer(xamBuildsKey, ApplicationDataCreateDisposition.Always);
}
AppSettings.Values[xamVersionsKey] = versionTrail[xamVersionsKey];
AppSettings.Values[xamBuildsKey] = versionTrail[xamBuildsKey];
#endif
}
}
}