/**
* Return the id of a leaderboard (category or identifier, depending on iOS version)
*
* @param leaderboard
* @return
*/
public String getLeaderboardId(GKLeaderboard leaderboard) {
if (getIosVersion() >= IOS_7) {
return leaderboard.getIdentifier();
} else {
return leaderboard.getCategory();
}
}
/**
* Load all the Leaderboards for the Game. Warning: If using iOS5 or less the Leaderboard object
* will only include the Category (identifier)
*/
public void loadLeaderboards() {
// If player is not authenticated, do nothing
if (!GKLocalPlayer.getLocalPlayer().isAuthenticated()) {
listener.leaderboardsLoadFailed();
return;
}
// If iOS version is 6 or more we use the new method
if (getIosVersion() >= IOS_6) {
GKLeaderboard.loadLeaderboards(
new VoidNSArrayNSErrorBlock() {
@SuppressWarnings({"rawtypes", "unchecked"})
@Override
public void invoke(NSArray array, NSError error) {
if (error != null) {
listener.leaderboardsLoadFailed();
} else {
ArrayList<GKLeaderboard> leaderboards = new ArrayList<GKLeaderboard>();
for (NSObject leaderboard : (NSArray<NSObject>) array) {
leaderboards.add((GKLeaderboard) leaderboard);
}
listener.leaderboardsLoadCompleted(leaderboards);
}
}
});
} else { // If iOS version is 6 or less we use the deprecated method
GKLeaderboard.loadCategories(
new VoidNSArrayNSArrayNSErrorBlock() {
@SuppressWarnings({"rawtypes", "unchecked"})
@Override
public void invoke(NSArray array, NSArray array2, NSError error) {
if (error != null) {
listener.leaderboardsLoadFailed();
} else {
ArrayList<GKLeaderboard> leaderboards = new ArrayList<GKLeaderboard>();
for (NSObject category : (NSArray<NSObject>) array) {
GKLeaderboard leaderboard = new GKLeaderboard();
leaderboard.setCategory(((NSString) category).toString());
leaderboards.add(leaderboard);
}
listener.leaderboardsLoadCompleted(leaderboards);
}
}
});
}
}