windows-phone-8.1,isolatedstorage,application-data
The difference between Windows.Storage.ApplicationData.Current.LocalSettings and IsolatedStorageSettings.ApplicationSettingsis that the first one is the newer unified Windows Store App API whereas the latter is from the "old" Silverlight API. New is not always better but I personally think you should go with the modern version here. Both work with Silverlight but if...
c#,windows-phone-8,application-data
You need to use the await keyword since your Helper's methods are asynchronous. else ib.ImageSource = await tsh.RetrievePhoto(Constants.BackgroundImageName); ...
c#,store,windows-phone-8.1,application-data
RoamingSettings are designed to work like that. They can be used to store settings between devices. After you uninstall the App from all devices, the settings would persist in the cloud for some time in case the User installs the App again. If you want to use only local data...