game-center

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iPhone Developement : Why does GKLeaderboard loadScoresWithCompletionHandler: return a null value

I\'m working With Game Center right now and I have a issue with GC. When I\'m using initWithPlayerIDs:, I don\'t get any score when loadScoresWithCompletionHandler: callback is called.[详细]

2023-04-02 22:00 分类：问答
Any way to programmatically reset leaderboards?

As I look into documentation of GKScore and GKLeaderboard, there is no way to reset scores reported by player to particular leaderboard in GameCenter. Am I开发者_运维知识库 right?[详细]

2023-04-02 17:20 分类：问答
Does [GKLocalPlayer localPlayer] ever return valid info on first call?

What is the point of calling... GKLocalPlayer *localPlayer = [GKLocalPlayer localPlayer]; As far as I can tell, this always returns an object will all fields set to nil, regardless of the start of[详细]

2023-04-01 13:21 分类：问答
Game Center windows don't scroll smoothly on OpenGL game

I have an shipped OpenGL game that I\'m adding Game Center support to for a 1.1 rev. The game does not use a UIViewController and is coded as follows in the AppDelegate:[详细]

2023-04-01 12:15 分类：问答
Game Center sandbox losing scores

I\'m testing Game Center leaderboards in my App and 开发者_运维技巧my scores seem to be disappearing after a while.I had 3 different sandbox accounts creating high scores one night, and then the next[详细]

2023-04-01 12:12 分类：问答
How to check that connection to Game Center (the servers) is available?

So far I have had success in implementing Game Center for my app. Authorizing players is OK, so is reporting Achievements.[详细]

2023-03-31 22:22 分类：问答
"Game Center account services are currently unavailable" on Simulator

I dont know since when this happened, maybe after the upgrade to Mac OS Lion and Xcode 4.1. But I am not sure.[详细]

2023-03-31 20:26 分类：问答
Robust Game Center Achievement code

In just about every example of submitting achievements to Game Center, I see this code [achievement reportAchievementWithCompletionHandler:^(NSError *error)[详细]

2023-03-31 01:30 分类：问答
about percentComplete in GKAchievement

After testing, I find that though the type of percentComplete of GKAchievement is double, and in apple\'s help document the legal values is between 0.0 and 100.0. but if you report percentComplete=1.5[详细]

2023-03-29 05:43 分类：问答
turn based iphone game networking

Is there a way to create a game that is turn based without having to set up a server for it? For example, say you want to make a chess game. You want users to be able to take a turn whenever they have[详细]

2023-03-26 07:26 分类：问答