当打开应用时主动提示用户更新最新版本，如果确定更新就跳转到appStore下载页
提示内容：最新版本的名字、更新内容
- (void)upgradeVersionInfo{
NSError *error;
//kAPP_URL :
//kAppId : 在iTunes connect上申请的APP ID 1062459942
NSString *appID;
appID = @"1062459942";
NSString *appUrl =
NSString *urlStr = [NSString stringWithFormat:@"%@%@", appUrl, appID];
NSURL *url = [NSURL URLWithString:urlStr];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
NSDictionary *appInfoDict = [NSJSONSerialization JSONObjectWithData:response options:NSJSONReadingMutableLeaves error:&error];
if (error) {
NSLog(@"%@", error.description);
return;
}
NSArray *resultArray = [appInfoDict objectForKey:@"results"];
if (![resultArray count]) {
NSLog(@"error : resultArray == nil");
return;
}
HMLog(@"resultArray -= %@",resultArray);
//数组里就一个字典
NSDictionary *infoDict = [resultArray objectAtIndex:0];
//获取服务器上应用的最新版本号
NSString *updateVersion = infoDict[@"version"];
//获取服务器上应用的最新名字
NSString *trackName = infoDict[@"trackName"];
//获取服务器上应用最新的版本新功能
NSString *note = [infoDict objectForKey:@"releaseNotes"];
//应用下载页
self.trackViewUrl = infoDict[@"trackViewUrl"];
//获取当前设备中应用的版本号
NSDictionary *infoDic = [[NSBundle mainBundle] infoDictionary];
NSString *currentVersion = [infoDic objectForKey:@"CFBundleShortVersionString"] ;
//判断两个版本是否相同
if ([updateVersion compare:currentVersion options:NSNumericSearch] == NSOrderedDescending) {
NSString *titleStr = [NSString stringWithFormat:@"更新提示：%@", trackName];
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:titleStr message:note preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"稍后再说" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
}];
UIAlertAction *upgradeAction = [UIAlertAction actionWithTitle:@"现在升级" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:self.trackViewUrl]];
}];
[alertController addAction:cancelAction];
[alertController addAction:upgradeAction];
[self presentViewController:alertController animated:YES completion:nil];
}
}