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//1 获取当前项目版本号：
//[self toast:@"当前已经是最新版本"];
NSDictionary *infoDic=[[NSBundle mainBundle] infoDictionary];
NSString *currentVersion=infoDic[@"CFBundleShortVersionString"];//currentVersion为当前工程项目版本号
//2 联网检测项目在AppStore上的版本号
NSString *storeAppID = @"1171012077";//配置自己项目在商店的ID
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(@"你可能没有连接网络哦");
return;
}
NSDictionary *appInfoDic = [NSJSONSerialization JSONObjectWithData:response options:NSJSONReadingMutableLeaves error:&error];
if (error) {
NSLog(@"hsUpdateAppError:%@",error);
return;
}
NSLog(@"可输出一下看看%@",appInfoDic);
NSArray *array = appInfoDic[@"results"];
if (array.count < 1) {
NSLog(@"此APPID为未上架的APP或者查询不到");
return;
}
NSDictionary *dic = array[0];
//商店版本号
NSString *appStoreVersion = dic[@"version"];
//3 比较版本号，跳转到手机自带的AppStore项目页面供用户下载：
NSLog(@"当前版本号:%@\n商店版本号:%@",currentVersion,appStoreVersion);
//设置版本号，主要是为了区分不同的版本，比如有1.2.1、1.2、1.31各种类型
currentVersion = [currentVersion stringByReplacingOccurrencesOfString:@"." withString:@""];
if (currentVersion.length==2) {
currentVersion = [currentVersion stringByAppendingString:@"0"];
}else if (currentVersion.length==1){
currentVersion = [currentVersion stringByAppendingString:@"00"];
}
appStoreVersion = [appStoreVersion stringByReplacingOccurrencesOfString:@"." withString:@""];
if (appStoreVersion.length==2) {
appStoreVersion = [appStoreVersion stringByAppendingString:@"0"];
}else if (appStoreVersion.length==1){
appStoreVersion = [appStoreVersion stringByAppendingString:@"00"];
}
//4当前版本号小于商店版本号,就更新
if([currentVersion floatValue] < [appStoreVersion floatValue])
{
UIAlertController *alercConteoller = [UIAlertController alertControllerWithTitle:@"版本有更新" message:[NSString stringWithFormat:@"检测到新版本(%@),是否更新?",dic[@"version"]] preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *actionYes = [UIAlertAction actionWithTitle:@"更新" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
//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];
}];
UIAlertAction *actionNo = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
}];
[alercConteoller addAction:actionYes];
[alercConteoller addAction:actionNo];
[self presentViewController:alercConteoller animated:YES completion:nil];
}else{
NSLog(@"版本号好像比商店大噢!检测到不需要更新");
}
iOS7开始就添加了应用自动更新，该提示更新适用于用户关闭了自动更新应用功能的情况下，现实中很多iPhone用户都不会关闭手机的自动更新应用功能，故基本不用考虑应用有新版本而用户不知道这种问题。因为手机会自动下载新版本的应用替换旧的版本。
