iOS开发应用程序更新

#import "ViewController.h"
//1一定要先配置自己项目在商店的APPID,配置完最好在真机上运行才能看到完全效果哦
#define STOREAPPID @"1080182980"
@interface ViewController ()
@end
@implementation ViewController- (void)viewDidLoad {
[super viewDidLoad];
//一句代码实现检测更新
[self hsUpdateApp];
}/**
* 天朝专用检测app更新
*/
-(void)hsUpdateApp
{
//2先获取当前工程项目版本号
NSDictionary *infoDic=[[NSBundle mainBundle] infoDictionary];
NSString *currentVersion=infoDic[@"CFBundleShortVersionString"]; //3从网络获取appStore版本号
NSError *error;
NSData *response = [NSURLConnection sendSynchronousRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/cn/lookup?id=%@",STOREAPPID]]] returningResponse:nil error:nil];
if (response == nil) {
NSLog(@"你没有连接网络哦");
return;
}
NSDictionary *appInfoDic = [NSJSONSerialization JSONObjectWithData:response options:NSJSONReadingMutableLeaves error:&error];
if (error) {
NSLog(@"hsUpdateAppError:%@",error);
return;
}
NSArray *array = appInfoDic[@"results"];
NSDictionary *dic = array[];
NSString *appStoreVersion = dic[@"version"];
//打印版本号
NSLog(@"当前版本号:%@\n商店版本号:%@",currentVersion,appStoreVersion);
//4当前版本号小于商店版本号,就更新
if([currentVersion floatValue] < [appStoreVersion floatValue])
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"版本有更新" message:[NSString stringWithFormat:@"检测到新版本(%@),是否更新?",appStoreVersion] delegate:self cancelButtonTitle:@"取消"otherButtonTitles:@"更新",nil];
[alert show];
}else{
NSLog(@"版本号好像比商店大噢!检测到不需要更新");
}}- (void)alertView:(UIAlertView*)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
//5实现跳转到应用商店进行更新
if(buttonIndex==)
{
//6此处加入应用在app store的地址，方便用户去更新，一种实现方式如下：
NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"https://itunes.apple.com/us/app/id%@?ls=1&mt=8", STOREAPPID]];
[[UIApplication sharedApplication] openURL:url];
}
}@end