新聞中心
iOS GameKit
簡介
GameKit是iOS SDK中一個常用的框架。其核心功能有3個:

- 交互游戲平臺Game Center,
- P2P設(shè)備通訊功能
- In-Game Voice。
實例步驟
1.在鏈接 iTunes 時請確保擁有一個唯一的 App ID( unique App ID),App ID在我們應(yīng)用程序更新 bundle ID時及在Xcode代碼簽名與相應(yīng)的配置文件需要使用到。
2.創(chuàng)建新的應(yīng)用程序和更新應(yīng)用程序信息。在添加新的應(yīng)用程序文檔可以了解更多有關(guān)信息。
3.打開你申請的application,點擊Manage Game Center選項。進入后點擊Enable Game Center使你的Game Center生效。接下來設(shè)置自己的Leaderboard和Achievements。
4.下一步涉及處理代碼,并為我們的應(yīng)用程序創(chuàng)建用戶界面。
5.創(chuàng)建一個single view application,并輸入 bundle identifier 。
6.更新 ViewController.xib,如下所示
7.選擇項目文件,然后選擇目標,然后添加GameKit.framework
8.為已添加的按鈕創(chuàng)建IBActions
9.更新ViewController.h文件,如下所示
#import#import @interface ViewController : UIViewController -(IBAction)updateScore:(id)sender; -(IBAction)showLeaderBoard:(id)sender; @end
10.更新ViewController.m ,如下所示
#import "ViewController.h"
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
if([GKLocalPlayer localPlayer].authenticated == NO)
{
[[GKLocalPlayer localPlayer]
authenticateWithCompletionHandler:^(NSError *error)
{
NSLog(@"Error%@",error);
}];
}
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (void) updateScore: (int64_t) score
forLeaderboardID: (NSString*) category
{
GKScore *scoreObj = [[GKScore alloc]
initWithCategory:category];
scoreObj.value = score;
scoreObj.context = 0;
[scoreObj reportScoreWithCompletionHandler:^(NSError *error) {
// Completion code can be added here
UIAlertView *alert = [[UIAlertView alloc]
initWithTitle:nil message:@"Score Updated Succesfully"
delegate:self cancelButtonTitle:@"Ok" otherButtonTitles: nil];
[alert show];
}];
}
-(IBAction)updateScore:(id)sender{
[self updateScore:200 forLeaderboardID:@"tutorialsPoint"];
}
-(IBAction)showLeaderBoard:(id)sender{
GKLeaderboardViewController *leaderboardViewController =
[[GKLeaderboardViewController alloc] init];
leaderboardViewController.leaderboardDelegate = self;
[self presentModalViewController:
leaderboardViewController animated:YES];
}
#pragma mark - Gamekit delegates
- (void)leaderboardViewControllerDidFinish:
(GKLeaderboardViewController *)viewController{
[self dismissModalViewControllerAnimated:YES];
}
@end
輸出
運行該應(yīng)用程序,輸出結(jié)果如下
當我們單擊顯示排行榜時,屏幕顯示如下:
當我們點擊更新分數(shù),比分將被更新到我們排行榜上,我們會得到一個信息,如下圖所示
分享文章:創(chuàng)新互聯(lián)IOS教程:iOS GameKit
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