Refreshing the access token is wrapped up in an AsyncTask, but calling get() on it makes the main thread wait for completion. [Link to line](https://github.com/OneNoteDev/OneNoteAPISampleAndroid/blob/master/OneNoteServiceCreatePageExample/src/com/example/onenoteservicecreatepageexample/MainActivity.java#L238)
Refreshing the access token is wrapped up in an AsyncTask, but calling get() on it makes the main thread wait for completion.
Link to line