iOS開發筆記之獲取App版本號、獲取iOS系統版本

// 獲取App版本號
NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString *appVersion = [infoDictionary objectForKey:@"CFBundleShortVersionString"];

// 系統版本
NSString *systemVersion = [[UIDevice currentDevice] systemVersion]; 

// build版本號
NSString *appBuild = [infoDictionary objectForKey:@"CFBundleVersion"];