檢測是否安裝有sim卡

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ios7測試ok

 

[CTSIMSupportGetSIMStatus() isEqualToString:kCTSIMSupportSIMStatusNotInserted]可以判斷是否插入了sim卡。前提是把下面的代碼隨便複製到一個標頭檔裡面，然後引入CoreTelephony.framework即可。
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 *);

檢測是否安裝有sim卡