public iOSFacebookProbe()
{
_loginManager = new LoginManager();
_loginResultHandler = new LoginManagerRequestTokenHandler((loginResult, error) =>
{
if (error == null && loginResult.Token != null)
SensusServiceHelper.Get().Logger.Log("Facebook login succeeded.", SensusService.LoggingLevel.Normal, GetType());
else if (loginResult != null && loginResult.IsCancelled)
SensusServiceHelper.Get().Logger.Log("Facebook login cancelled.", SensusService.LoggingLevel.Normal, GetType());
else
SensusServiceHelper.Get().Logger.Log("Facebook login failed.", SensusService.LoggingLevel.Normal, GetType());
});
}
public iOSFacebookProbe()
{
_loginManager = new LoginManager();
_loginResultHandler = new LoginManagerRequestTokenHandler((loginResult, error) =>
{
if (error == null && loginResult.Token != null)
{
SensusServiceHelper.Get().Logger.Log("Facebook login succeeded.", SensusService.LoggingLevel.Normal, GetType());
}
else if (loginResult != null && loginResult.IsCancelled)
{
SensusServiceHelper.Get().Logger.Log("Facebook login cancelled.", SensusService.LoggingLevel.Normal, GetType());
}
else
{
SensusServiceHelper.Get().Logger.Log("Facebook login failed.", SensusService.LoggingLevel.Normal, GetType());
}
});
}
private void ObtainAccessToken(string[] permissionNames)
{
lock (LoginLocker)
{
if (HasValidAccessToken)
{
SensusServiceHelper.Get().Logger.Log("Already have valid Facebook access token. No need to initialize.", LoggingLevel.Normal, GetType());
return;
}
ManualResetEvent loginWait = new ManualResetEvent(false);
bool loginCancelled = false;
string accessTokenError = null;
Xamarin.Forms.Device.BeginInvokeOnMainThread(() =>
{
try
{
LoginManagerRequestTokenHandler loginResultHandler = new LoginManagerRequestTokenHandler((loginResult, error) =>
{
if (error == null && loginResult.Token != null)
{
SensusServiceHelper.Get().Logger.Log("Facebook login succeeded.", SensusService.LoggingLevel.Normal, GetType());
AccessToken.CurrentAccessToken = loginResult.Token;
loginWait.Set();
}
else if (loginResult != null && loginResult.IsCancelled)
{
SensusServiceHelper.Get().Logger.Log("Facebook login cancelled.", SensusService.LoggingLevel.Normal, GetType());
loginCancelled = true;
loginWait.Set();
}
else
{
SensusServiceHelper.Get().Logger.Log("Facebook login failed.", SensusService.LoggingLevel.Normal, GetType());
loginWait.Set();
}
});
new LoginManager().LogInWithReadPermissions(permissionNames, UIApplication.SharedApplication.KeyWindow.RootViewController, loginResultHandler);
}
catch (Exception ex)
{
SensusServiceHelper.Get().Logger.Log("Error while initializing Facebook SDK and/or logging in: " + ex.Message, LoggingLevel.Normal, GetType());
accessTokenError = ex.Message;
loginWait.Set();
}
});
loginWait.WaitOne();
if (accessTokenError != null)
SensusServiceHelper.Get().Logger.Log("Error while initializing Facebook SDK and/or logging in: " + accessTokenError, LoggingLevel.Normal, GetType());
if (!HasValidAccessToken)
{
string message = "Failed to obtain access token.";
SensusServiceHelper.Get().Logger.Log(message, LoggingLevel.Normal, GetType());
// if the user cancelled the login, don't prompt them again
if (loginCancelled)
throw new NotSupportedException(message + " User cancelled login.");
// if the user did not cancel the login, allow the login to be presented again when the health test is run
else
throw new Exception(message);
}
}
}
private void ObtainAccessToken(string[] permissionNames)
{
lock (LoginLocker)
{
if (HasValidAccessToken)
{
SensusServiceHelper.Get().Logger.Log("Already have valid Facebook access token. No need to initialize.", LoggingLevel.Normal, GetType());
return;
}
ManualResetEvent loginWait = new ManualResetEvent(false);
bool loginCancelled = false;
string accessTokenError = null;
SensusContext.Current.MainThreadSynchronizer.ExecuteThreadSafe(() =>
{
try
{
LoginManagerRequestTokenHandler loginResultHandler = new LoginManagerRequestTokenHandler((loginResult, error) =>
{
if (error == null && loginResult.Token != null)
{
SensusServiceHelper.Get().Logger.Log("Facebook login succeeded.", Shared.LoggingLevel.Normal, GetType());
AccessToken.CurrentAccessToken = loginResult.Token;
loginWait.Set();
}
else if (loginResult != null && loginResult.IsCancelled)
{
SensusServiceHelper.Get().Logger.Log("Facebook login cancelled.", Shared.LoggingLevel.Normal, GetType());
loginCancelled = true;
loginWait.Set();
}
else
{
SensusServiceHelper.Get().Logger.Log("Facebook login failed.", Shared.LoggingLevel.Normal, GetType());
loginWait.Set();
}
});
new LoginManager().LogInWithReadPermissions(permissionNames, UIApplication.SharedApplication.KeyWindow.RootViewController, loginResultHandler);
}
catch (Exception ex)
{
SensusServiceHelper.Get().Logger.Log("Error while initializing Facebook SDK and/or logging in: " + ex.Message, LoggingLevel.Normal, GetType());
accessTokenError = ex.Message;
loginWait.Set();
}
});
loginWait.WaitOne();
if (accessTokenError != null)
{
SensusServiceHelper.Get().Logger.Log("Error while initializing Facebook SDK and/or logging in: " + accessTokenError, LoggingLevel.Normal, GetType());
}
if (!HasValidAccessToken)
{
string message = "Failed to obtain access token.";
SensusServiceHelper.Get().Logger.Log(message, LoggingLevel.Normal, GetType());
// if the user cancelled the login, don't prompt them again
if (loginCancelled)
{
throw new NotSupportedException(message + " User cancelled login.");
}
// if the user did not cancel the login, allow the login to be presented again when the health test is run
else
{
throw new Exception(message);
}
}
}
}
