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