/**
* This method is used to get a new default category that doesn't exist in the list of categories
* that the method is supplied with
*
* @param categories The category list that needs more categories to be added
* @return The new category
* @throws Exception If there are no new categories left from the list of default categories or if
* the default category list is null, the system would find
*/
public Category getNewCategory(List<Category> categories) throws Exception {
if (defaultCategories == null) defaultCategories = _default.getAllDefaultCategories();
if (defaultCategories == null) {
throw new Exception("The default category list is null");
}
int count = 0;
// Check if there are any more categories that can be loaded into the list to keep the lesson
// plan running, if not throw an exception
for (Category defaultCategory : defaultCategories) {
if (!categories.contains(defaultCategory)) break;
else count++;
}
if (count == defaultCategories.size()) {
AlertMessage alert = new AlertMessage();
alert.showAlertMessage(
"You’ve gone through all the default categories of words. This is a contextual vocabulary learning app. Please use the passive mode for a while, to help the app learn more about your vocabulary. You may return back after you’ve done so");
// TODO: Set states as end of mode as soon s this is
// encountered------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
}
Category cat = new Category();
Random rand = new Random();
// Return a new category
while (!categories.contains(cat)) {
cat = defaultCategories.get(rand.nextInt(defaultCategories.size()));
}
return cat;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.friend_list_view);
AlertMessage.setActivity(this);
dbHelper = new DataBaseHelper(getApplicationContext());
appUsersId = getAppUsersId();
Session session = Session.getActiveSession();
if (session.isOpened()) {
// Fetch friends from Facebook
FacebookFriendsTask fbFriends = new FacebookFriendsTask(this, this);
String token = session.getAccessToken();
String url = "https://graph.facebook.com/me/friends";
fbFriends.execute(new String[] {token, url});
}
// Extract location is passed in
Bundle extras = getIntent().getExtras();
if (extras != null) location = (Location) extras.getParcelable("location");
}
