protected async void CheckLogin()
{
IFileReadWrite fileReadWrite = Xamarin.Forms.DependencyService.Get <IFileReadWrite>();
LoginUserDetail serialized = new LoginUserDetail();
string userDetails = await fileReadWrite.ReadFromFile();
if (string.IsNullOrEmpty(userDetails))
{
var firstPage = new NavigationPage(new LoginPage());
MainPage = firstPage;
}
else
{
serialized = JsonConvert.DeserializeObject <LoginUserDetail>(userDetails);
if (serialized == null)
{
var firstPage = new NavigationPage(new LoginPage());
MainPage = firstPage;
}
else
{
var firstPage = new NavigationPage(new MainMasterPage());
MainPage = firstPage;
}
}
}
public async Task <LoginUserDetail> ReadFromJsonFile()
{
LoginUserDetail deserialized = new LoginUserDetail();
try
{
deserialized = JsonConvert.DeserializeObject <LoginUserDetail>(await fileReadWrite.ReadFromFile());
if (deserialized == null)
{
deserialized = new LoginUserDetail();
}
}
catch (Exception ex)
{
deserialized = new LoginUserDetail();
}
return(deserialized);
}