iphone-common-codes-ccteam源代码 CCIOS.m

// // CCIOS.m // CCFC // // Created by xichen on 11-12-17. // Copyright 2011年 ccteam. All rights reserved. // #import "CCIOS.h" #import "CCNSString.h" #import "CCUIDevice.h" @implementation CCIOS //获取OS版本 + (NSString *)osVersion { return [[UIDevice currentDevice] systemVersion]; } // 获取OS主版本号 + (NSString *)osMajorVer { NSString *osVer = [self osVersion]; if(osVer == nil) return nil; NSInteger index = [osVer firstIndexOfChar:'.']; if(index < 0) { return osVer; } else if(0 == index) { return @""; } else { return [osVer substringToIndex:index]; } } // 获取OS子版本号 + (NSString *)osMinorVer { NSString *osVer = [self osVersion]; NSInteger firstIndex = [osVer firstIndexOfChar:'.']; NSInteger lastIndex = [osVer firstIndexOfChar:'.' withAppearCount:2]; if(firstIndex < 0) { return @""; } else if(lastIndex < 0) { if(firstIndex == osVer.length - 1) { return @""; } return [osVer substringWithRange:NSMakeRange(firstIndex + 1, osVer.length - firstIndex - 1)]; } else { return [osVer substringWithRange:NSMakeRange(firstIndex + 1, lastIndex - firstIndex - 1)]; } } // whether the device supports multitask + (BOOL)isSupportsMultitask __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_4_0) { return [UIDevice isSupportsMultitask]; } @end

googlecode链接地址（会有更新）：http://code.google.com/p/iphone-common-codes-ccteam/source/browse/trunk/CCFC/files/CCIOS.m

github地址：https://github.com/cxsjabc/iphone-common-codes-ccteam/tree/master/CCFC/files/CCIOS.m