获取app版本号

1. NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
2. NSString *name = [infoDictionary objectForKey:@"CFBundleDisplayName"];
3. NSString *version = [infoDictionary objectForKey:@"CFBundleShortVersionString"];
4. NSString *build = [infoDictionary objectForKey:@"CFBundleVersion"];
5. NSString *label = [NSString stringWithFormat:@"%@ v%@ (build %@)", name, version, build];
6. NSLog(@"%@",label);