iOS 检查更新

 1 #pragma mark - 检查更新
 2
 3 - (void)checkUpdateWithAPPID:(NSString *)APPID
 4 {
 5     //获取当前应用版本号
 6     NSDictionary *appInfo = [[NSBundle mainBundle] infoDictionary];
 7     NSString *currentVersion = [appInfo objectForKey:@"CFBundleVersion"];
 8
 9     NSString *updateUrlString = [NSString stringWithFormat:@"http://itunes.apple.com/lookup?id=%@",APPID];
10     NSURL *updateUrl = [NSURL URLWithString:updateUrlString];
11     versionRequest = [ASIFormDataRequest requestWithURL:updateUrl];
12     [versionRequest setRequestMethod:@"GET"];
13     [versionRequest setTimeOutSeconds:60];
14     [versionRequest addRequestHeader:@"Content-Type" value:@"application/json"];
15
16     //loading view
17     CustomAlertView *checkingAlertView = [[CustomAlertView alloc] initWithFrame:NAVIGATION_FRAME style:CustomAlertViewStyleDefault noticeText:@"正在检查更新..."];
18     checkingAlertView.userInteractionEnabled = YES;
19     [self.navigationController.view addSubview:checkingAlertView];
20     [checkingAlertView release];
21
22     [versionRequest setCompletionBlock:^{
23
24         [checkingAlertView removeFromSuperview];
25
26         NSError *error = nil;
27         NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:[versionRequest responseData] options:NSJSONReadingMutableContainers error:&error];
28         if (!error) {
29             if (dict != nil) {
30                 //            DLog(@"dict %@",dict);
31                 int resultCount = [[dict objectForKey:@"resultCount"] integerValue];
32                 if (resultCount == 1) {
33                     NSArray *resultArray = [dict objectForKey:@"results"];
34                     //                DLog(@"version %@",[resultArray objectAtIndex:0]);
35                     NSDictionary *resultDict = [resultArray objectAtIndex:0];
36                     //                DLog(@"version is %@",[resultDict objectForKey:@"version"]);
37                     NSString *newVersion = [resultDict objectForKey:@"version"];
38
39                     if ([newVersion doubleValue] > [currentVersion doubleValue]) {
40                         NSString *msg = [NSString stringWithFormat:@"最新版本为%@,是否更新？",newVersion];
41                         newVersionURlString = [[resultDict objectForKey:@"trackViewUrl"] copy];
42                         DLog(@"newVersionUrl is %@",newVersionURlString);
43                         //                    if ([newVersionURlString hasPrefix:@"https"]) {
44                         //                         [newVersionURlString replaceCharactersInRange:NSMakeRange(0, 5) withString:@"itms-apps"];
45                         //                    }
46                         UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:msg delegate:self cancelButtonTitle:@"暂不" otherButtonTitles:@"立即更新", nil];
47                         alertView.tag = 1000;
48                         [alertView show];
49                         [alertView release];
50                     }else
51                     {
52                         UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:@"您使用的是最新版本！" delegate:self cancelButtonTitle:nil otherButtonTitles:@"确定", nil];
53                         alertView.tag = 1001;
54                         [alertView show];
55                         [alertView release];
56                     }
57                 }
58             }
59         }else
60         {
61             DLog("error is %@",[error debugDescription]);
62         }
63     }];
64
65     [versionRequest setFailedBlock:^{
66         [checkingAlertView removeFromSuperview];
67
68         CustomAlertView *alertView = [[CustomAlertView alloc] initWithFrame:NAVIGATION_FRAME style:CustomAlertViewStyleWarning noticeText:@"操作失败，请稍候再试！"];
69         [self.navigationController.view addSubview:alertView];
70         [alertView release];
71         [alertView selfRemoveFromSuperviewAfterSeconds:1.0];
72     }];
73
74     [versionRequest startSynchronous];
75 }
76
77 - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
78 {
79     DLog(@"newVersionUrl  is %@",newVersionURlString);
80     if (buttonIndex) {
81         if (alertView.tag == 1000) {
82             if(newVersionURlString)
83             {
84                 [[UIApplication sharedApplication] openURL:[NSURL URLWithString:newVersionURlString]];
85             }
86         }
87     }
88 }