IOS私有API的了解

IOS私有API的了解

IOS的API分为四种：

Published API(公开的API)（或者Documented API）

还有两类：私有API：Private API和未公开API：UnPublished API(或者Undocumented API)。

私有API是指放在PrivateFrameworks框架中的API，未公开的API是指虽然放在Frameworks框架中，但是却没有在苹果的官方文档中有使用说明、代码介绍等记录的API。

按苹果的说法，未公开的API是还不够成熟，可能还会变动的API，等完全成型了后会变成公开的API，但是目前不对其提供承诺，就是系统版本升级后可能会失效。而私有API是苹果明确不能使用的API。虽然两者有所区别，但是在具体使用方法上是类似的。

私有API会面临审核通不过然后不能上线，但是也有使用私有API通过审核的比如谷歌的“Google Voice”，所以具体审核的详情不得而知。

示例一：

使用私有API——CoreTelephony获取本机号码

步骤如下：1）导入CoreTelephony这个private framework2）在xxx.m中加入红字部分：#import "xxx.h"extern NSString *CTSettingCopyMyPhoneNumber();@implementation+(NSString *)myNumber{return CTSettingCopyMyPhoneNumber();}@end3）在其它地方调用NSLog(@"myNumber=%@",[xxx myNumber]);即是本机号码

另外机子的唯一标识码等一些信息 可以用[UIDevice currentDevice] 的uniqueIdentifier,name等属性来获取

其他资料：

call blocking on iPhone4 //using private API//CoreTelephony framework is neededextern NSString* const kCTSMSMessageReceivedNotification;extern NSString* const kCTSMSMessageReplaceReceivedNotification;extern NSString* const kCTSIMSupportSIMStatusNotInserted;extern NSString* const kCTSIMSupportSIMStatusReady;typedef struct __CTCall CTCall;extern NSString *CTCallCopyAddress(void*, CTCall *);void* CTSMSMessageSend(id server,id msg);typedef struct __CTSMSMessage CTSMSMessage;NSString *CTSMSMessageCopyAddress(void *, CTSMSMessage *);NSString *CTSMSMessageCopyText(void *, CTSMSMessage *);int CTSMSMessageGetRecordIdentifier(void * msg);NSString * CTSIMSupportGetSIMStatus();NSString * CTSIMSupportCopyMobileSubscriberIdentity();id CTSMSMessageCreate(void* unknow,NSString* number,NSString* text);void * CTSMSMessageCreateReply(void* unknow,void * forwardTo,NSString* text);id CTTelephonyCenterGetDefault(void);void CTTelephonyCenterAddObserver(id,id,CFNotificationCallback,NSString*,void*,int);void CTTelephonyCenterRemoveObserver(id,id,NSString*,void*);int CTSMSMessageGetUnreadCount(void);static void callback(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo){NSString *notifyname=(NSString *)name;if ([notifyname isEqualToString:@"kCTCallStatusChangeNotification"])//phone call{NSDictionary *info = (NSDictionary*)userInfo;NSString *state=[[info objectForKey:@"kCTCallStatus"] stringValue];if ([state isEqualToString:@"5"])//disconnectNSLog(@”unanswered:%@”,state);}else if ([notifyname isEqualToString:@"kCTCallIdentificationChangeNotification"]){// CTCallCenter *center = [[CTCallCenter alloc] init];// center.callEventHandler = ^(CTCall *call) {// NSLog(@”call:%@”, [call description]);// };NSDictionary *info = (NSDictionary *)userInfo;CTCall *call = (CTCall *)[info objectForKey:@"kCTCall"];NSString *caller = CTCallCopyAddress(NULL, call);NSLog(@”电话号码:%@”,caller);//CTCallDisconnect(call);}else if ([notifyname isEqualToString:@"kCTRegistrationDataStatusChangedNotification"]){}else if ([notifyname isEqualToString:@"kCTSMSMessageReceivedNotification"]){//api expiredif ([[(NSDictionary *)userInfo allKeys]containsObject:@”kCTSMSMessage”]) // SMS Message{CTSMSMessage *message = (CTSMSMessage *)[(NSDictionary *)userInfo objectForKey:@"kCTSMSMessage"];NSString *address = CTSMSMessageCopyAddress(NULL, message);NSString *text = CTSMSMessageCopyText(NULL, message);//NSArray *lines = [text componentsSeparatedByString:@"\n"];//printf(” %s %d\n”, [address cString], [lines count]);//printf(” %s\n”, [text cString]);fflush(stdout);}}else if ([notifyname isEqualToString:@"kCTMessageReceivedNotification"])//received SMS{NSDictionary *info = (NSDictionary *)userInfo;CFNumberRef msgID = (CFNumberRef)[info objectForKey:@"kCTMessageIdKey"];int result;CFNumberGetValue((CFNumberRef)msgID, kCFNumberSInt32Type, &result);}else if ([notifyname isEqualToString:@"kCTIndicatorsSignalStrengthNotification"])//signal{}else if ([notifyname isEqualToString:@"kCTRegistrationStatusChangedNotification"])//network registration status{}else if ([notifyname isEqualToString:@"kCTRegistrationDataStatusChangedNotification"]){}else if ([notifyname isEqualToString:@"kCTRegistrationCellChangedNotification"]){}else if ([notifyname isEqualToString:@"kCTIndicatorRadioTransmitNotification"]){}//int unread=CTSMSMessageGetUnreadCount();//if (unread>0)//NSLog(@”unread SMS:%d”,unread);NSLog(@”name:%@-detail:%@”,notifyname,userInfo);}static void signalHandler(int sigraised){printf(“\nInterrupted.\n”);exit(0);}//—————–id ct = CTTelephonyCenterGetDefault();CTTelephonyCenterAddObserver(ct, NULL, callback, NULL, NULL, CFNotificationSuspensionBehaviorHold);// Handle Interruptssig_t oldHandler = signal(SIGINT, signalHandler);if (oldHandler == SIG_ERR){printf(“Could not establish new signal handler”);exit(1);}// Run loop lets me catch notificationsprintf(“Starting run loop and watching for notification.\n”);//CFRunLoopRun();

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