ios 实现版本更新检查

/*

第一步： 根据应用名称搜索应用，然后根据应用绑定的ID在结果中筛选出我们要找的应用，并取出应用的AppID

*/

- (void)getAppID {

processView = [[UIProcessViewalloc]initWithFrame:self.view.framewithText:@"检测中..."];

[processViewstartAnimating];

[self.viewaddSubview:processView];

[SVHTTPRequestPOST:@"http://itunes.apple.com/search"

parameters:[[NSDictionaryalloc]
initWithObjectsAndKeys:APP_NAME,@"term",@"software",@"entity",nil]

completion:^(id response, NSHTTPURLResponse *urlResponse,
NSError *error) {

if (!error&&[urlResponse statusCode]==200) {

NSData *data = (NSData *)response;

id res = [NSJSONSerializationJSONObjectWithData:data options:NSJSONReadingMutableContainerserror:nil];

NSLog(@"res.class==%@",[res
class]);

NSLog(@"res == %@",res);

NSLog(@"results class == %@",[[res objectForKey:@"results"]class]);

NSArray *arr = [res objectForKey:@"results"];

for (id config in arr)

{

NSString *bundle_id = [config valueForKey:@"bundleId"];

if ([bundle_id isEqualToString:APP_BUNDLE_IDENTIFIER]) {

[processView stopAnimating];

app_id = [config valueForKey:@"trackId"];

updateURL = [config valueForKey:@"trackViewUrl"];

NSString *app_Name = [config valueForKey:@"trackName"];

NSString *version = [config valueForKey:@"version"];

NSLog(@"app_id == %@,app_Name == %@,version == %@",app_id,app_Name,version);

[self checkUpdate:version];

}

}

} else {

[processView stopAnimating];

[CTCommonUtilsshowAlertViewOnView:self.viewwithText:@"检测失败，当前无网络连接！"];

}

}];

}

/*

第二步：通过比较从App Store获取的应用版本与当前程序中设定的版本是否一致，然后判断版本是否有更新

*/

- (void)checkUpdate:(NSString *)versionFromAppStroe {

NSDictionary *infoDict = [[NSBundlemainBundle] infoDictionary];

NSString *nowVersion = [infoDict objectForKey:@"CFBundleVersion"];

NSLog(@"nowVersion == %@",nowVersion);

[processViewstopAnimating];

//检查当前版本与appstore的版本是否一致

if (![versionFromAppStroe isEqualToString:nowVersion])

{

UIAlertView *createUserResponseAlert = [[UIAlertView
alloc] initWithTitle:@"提示"
message: @"有新的版本可供下载" delegate:self
cancelButtonTitle:@"下次再说" otherButtonTitles:
@"去下载", nil];

[createUserResponseAlert show];

} else {

[CTCommonUtilsshowAlertViewOnView:self.viewwithText:@"暂无新版本"];

}

}

#pragma mark - AertView delegate

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex

{

if (buttonIndex == 1) {

　　　//去appstore中更新

//方法一：根据应用的id打开appstore，并跳转到应用下载页面

//NSString *appStoreLink = [NSString stringWithFormat:@"http://itunes.apple.com/cn/app/id%@",app_id];

//[[UIApplication sharedApplication] openURL:[NSURL URLWithString:appStoreLink]];

//方法二：直接通过获取到的url打开应用在appstore，并跳转到应用下载页面

[[UIApplicationsharedApplication] openURL:[NSURLURLWithString:updateURL]];

} else if (buttonIndex == 2) {

//去itunes中更新

[[UIApplicationsharedApplication]
openURL:[NSURLURLWithString:@"itms://itunes.apple.com/cn/app/guang-dian-bi-zhi/id511587202?mt=8"]];

}

}

#pragma mark -