#import "ViewController.h"
@interfaceViewController ()
@end
@implementationViewController
- (void)viewDidLoad {
[superviewDidLoad];
self.title=@"版本检测更新";
self.view.backgroundColor= [UIColorwhiteColor];
[selfcheckVersion];//检测升级
}
-(void)checkVersion
{
NSString*newVersion;
NSURL*url = [NSURLURLWithString:@"http://itunes.apple.com/cn/lookup?id=1139094792"];//这个URL地址是该app在iTunes connect里面的相关配置信息。其中id是该app在app store唯一的ID编号。
NSString*jsonResponseString = [NSStringstringWithContentsOfURL:urlencoding:NSUTF8StringEncodingerror:nil];
NSLog(@"通过appStore获取的数据信息：%@",jsonResponseString);
NSData*data = [jsonResponseStringdataUsingEncoding:NSUTF8StringEncoding];
// 解析json数据
idjson = [NSJSONSerializationJSONObjectWithData:dataoptions:NSJSONReadingMutableContainerserror:nil];
NSArray*array = json[@"results"];
for(NSDictionary*dic in array) {
newVersion = [dicvalueForKey:@"version"];
}
NSLog(@"通过appStore获取的版本号是：%@",newVersion);
//获取本地软件的版本号
NSString*localVersion = [[[NSBundlemainBundle]infoDictionary]objectForKey:@"CFBundleVersion"];
NSString*msg = [NSStringstringWithFormat:@"你当前的版本是V%@，发现新版本V%@，是否下载新版本？",localVersion,newVersion];
//对比发现的新版本和本地的版本
if([newVersionfloatValue] > [localVersionfloatValue])
{
UIAlertController*alert = [UIAlertControlleralertControllerWithTitle:@"升级提示"message:msgpreferredStyle:UIAlertControllerStyleAlert];
[selfpresentViewController:alertanimated:YEScompletion:nil];
[alertaddAction:[UIAlertActionactionWithTitle:@"现在升级"style:UIAlertActionStyleDefaulthandler:^(UIAlertAction* _Nonnull action) {
[[UIApplicationsharedApplication]openURL:[NSURLURLWithString:@"https://itunes.apple.com/cn/app/yi-ka-tongbic-ban/id1139094792?l=en&mt=8"]];这里写的URL地址是该app在app store里面的下载链接地址，其中ID是该app在app store对应的唯一的ID编号。
NSLog(@"点击现在升级按钮");
}]];
[alertaddAction:[UIAlertActionactionWithTitle:@"下次再说"style:UIAlertActionStyleDefaulthandler:^(UIAlertAction* _Nonnull action) {
NSLog(@"点击下次再说按钮");
}]];
}
}
