判断iphone是否已插入sim卡（源码）

// // sim___ViewController.h // sim卡判断 // // Created by zkjc on 11-6-3. // Copyright 2011年 __MyCompanyName__. All rights reserved. // #import <UIKit/UIKit.h> #import <CoreTelephony/CoreTelephonyDefines.h>//手机sim卡判断的头文件 /*****************(注意：一定要在 Frameworks 文件夹里加入 CoreTelephony.framework)******************/ @interface sim___ViewController : UIViewController { } /////////////////////////////////手机sim卡判断需要的一些变量和方法/////////////////////////////////////// extern NSString* const kCTSMSMessageReceivedNotification; extern NSString* const kCTSMSMessageReplaceReceivedNotification; extern NSString* const kCTSIMSupportSIMStatusNotInserted; extern NSString* const kCTSIMSupportSIMStatusReady; id CTTelephonyCenterGetDefault(void); void CTTelephonyCenterAddObserver(id,id,CFNotificationCallback,NSString*,void*,int); void CTTelephonyCenterRemoveObserver(id,id,NSString*,void*); int CTSMSMessageGetUnreadCount(void); int CTSMSMessageGetRecordIdentifier(void * msg); NSString * CTSIMSupportGetSIMStatus(); NSString * CTSIMSupportCopyMobileSubscriberIdentity(); id CTSMSMessageCreate(void* unknow/*always 0*/,NSString* number,NSString* text); void * CTSMSMessageCreateReply(void* unknow/*always 0*/,void * forwardTo,NSString* text); void* CTSMSMessageSend(id server,id msg); NSString *CTSMSMessageCopyAddress(void *, void *); NSString *CTSMSMessageCopyText(void *, void *); //////////////////////////////////////////////////////////////////////////// @end