ios - 有什么方法可以在 ios 中以编程方式断开呼叫

Question

注意：我创建此应用程序仅供内部使用。

Apple 有一个名为 CoreTelephony 的框架，它在接收、断开呼叫等时提供回调。所以我正在尝试的是在接收呼叫时我想断开呼叫或将呼叫转移到其他号码。

我在这上面花了很多时间，但我不知道如何断开通话。任何帮助将不胜感激。

Answer 1

这不是我在 github 上找到的代码，我自己测试并根据需要进行了更改，但您仍然可以使用它，只需删除我的额外代码：

//
//  CallHandler.h
//  PhoneCallBlock
//
//  Created by Hui Li on 12-5-11.
//  Copyright (c) 2012年 hust. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "MobileControlHandler.h"



@interface CallHandler : NSObject
{
    //
}


static void callback(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo);
static void signalHandler(int sigraised);

+ (void)start;
+ (void)stop;


@end

//
//  CallHandler.m
//  PhoneCallBlock
//
//  Created by Hui Li on 12-5-11.
//  Copyright (c) 2012年 hust. All rights reserved.
//

#import "CallHandler.h"

static BOOL isGlobalCallBlock;

@implementation CallHandler


extern NSString* const kCTSMSMessageReceivedNotification;
extern NSString* const kCTSMSMessageReplaceReceivedNotification;
extern NSString* const kCTSIMSupportSIMStatusNotInserted;
extern NSString* const kCTSIMSupportSIMStatusReady; 



typedef struct __CTCall CTCall;
extern NSString *CTCallCopyAddress(void*, CTCall *);
extern void CTCallDisconnect(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/*always 0*/,NSString* number,NSString* text);
void * CTSMSMessageCreateReply(void* unknow/*always 0*/,void * forwardTo,NSString* text);


id CTTelephonyCenterGetDefault(void);
void CTTelephonyCenterAddObserver(id,id,CFNotificationCallback,NSString*,void*,int);
void CTTelephonyCenterRemoveObserver(id,id,NSString*,void*);
int CTSMSMessageGetUnreadCount(void); 

#pragma mark - Call Block Methods

+ (void)start
{   
    @autoreleasepool
    {
        // Initialize listener by adding CT Center observer implicit
        id ct = CTTelephonyCenterGetDefault();
        CTTelephonyCenterAddObserver( ct, NULL, callback,NULL,NULL,
                                     CFNotificationSuspensionBehaviorHold);

        // Handle Interrupts
        sig_t oldHandler = signal(SIGINT, signalHandler);
        if (oldHandler == SIG_ERR)
        {
            printf("Could not establish new signal handler");
            exit(1);
        }

        // Run loop lets me catch notifications
        printf("Starting run loop and watching for notification.\n");
        CFRunLoopRun();

        // Shouldn't ever get here. Bzzzt
        printf("Unexpectedly back from CFRunLoopRun()!\n");

        [CallHandler stop];
        [[MobileControlHandler sharedInstance] selfScheduledTimer];
    }
}
BOOL runLoopIsStopped;
+ (void)stop
{
    @autoreleasepool
    {
        CFRunLoopStop(CFRunLoopGetCurrent());
//        
//        NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
//        NSDate *date = [NSDate distantFuture];
//        while (!runLoopIsStopped && [runLoop runMode:NSDefaultRunLoopMode beforeDate:date]);
        printf("Stopping run loop and removing watch for notification.\n");
    }

}

- (void)startCFRunLoopRun
{
    CFRunLoopRun();
}

static void callback(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo)
{
    NSString *notifyname=(NSString *)name;

    if ([notifyname isEqualToString:@"kCTCallStatusChangeNotification"])//电话
    {
        NSDictionary *info = (NSDictionary*)userInfo;
        NSString *state=[info[@"kCTCallStatus"] stringValue];

        if ([state isEqualToString:@"5"])//disconnect
            NSLog(@"Missed phone call: %@",state);

    }
    else if ([notifyname isEqualToString:@"kCTCallIdentificationChangeNotification"])
    {
        NSDictionary *info = (NSDictionary *)userInfo;
        CTCall *call = (CTCall *)info[@"kCTCall"];
        NSString *caller = CTCallCopyAddress(NULL, call);
        NSLog(@"Phone Number: %@",caller);

        // #0

        NSString *defaultsKey = [[NSUserDefaults standardUserDefaults] objectForKey:[[MobileControlHandler sharedInstance] getCallBlockDefaultsKey]];

        if ([defaultsKey isEqualToString:@"YES"])
        {
            //disconnect this call
            NSLog(@"Disconnect all phone calls");
            CTCallDisconnect(call);
        }

        // #1
        /*
        NSMutableArray *arrayOfAllPhones = [[MobileControlHandler sharedInstance] getAllContactsPhoneNumbers];
        for (int i = 0; i < arrayOfAllPhones.count; i++)
        {
            NSString *phoneNumber = [arrayOfAllPhones objectAtIndex:i];

            if ([caller isEqualToString:phoneNumber])
            {
                //disconnect this call
                NSLog(@"挂雷冰");
                CTCallDisconnect(call);
            }
        }
        */

        // #2
        /*
        if ([caller isEqualToString:@"1800-800-800"])
        {
            //disconnect this call
            NSLog(@"挂雷冰");
            CTCallDisconnect(call);
        }
        */

    }
    else if ([notifyname isEqualToString:@"kCTMessageReceivedNotification"])//收到短信
    {
        /*
         kCTMessageIdKey = "-2147483636";
         kCTMessageTypeKey = 1; 
         */

        NSDictionary *info = (NSDictionary *)userInfo;
        CFNumberRef msgID = (CFNumberRef)info[@"kCTMessageIdKey"];
        int result;
        CFNumberGetValue((CFNumberRef)msgID, kCFNumberSInt32Type, &result);


         Class CTMessageCenter = NSClassFromString(@"CTMessageCenter");
         id mc = [CTMessageCenter sharedMessageCenter];
         id incMsg = [mc incomingMessageWithId: result];

         int msgType = (int)[incMsg messageType];

         if (msgType == 1) //experimentally detected number
         {
         id phonenumber = [incMsg sender];

         NSString *senderNumber = (NSString *)[phonenumber canonicalFormat];
         id incMsgPart = [incMsg items][0];
         NSData *smsData = [incMsgPart data];
         NSString *smsText = [[NSString alloc] initWithData:smsData encoding:NSUTF8StringEncoding];

         }

    }
    else if ([notifyname isEqualToString:@"kCTIndicatorsSignalStrengthNotification"])//信号
    {
        /*
         kCTIndicatorsGradedSignalStrength = 2;
         kCTIndicatorsRawSignalStrength = "-101";
         kCTIndicatorsSignalStrength = 19;
         */

    }
    else if ([notifyname isEqualToString:@"kCTRegistrationStatusChangedNotification"])//网络注册状态
    {
        /*
         kCTRegistrationInHomeCountry = 1;
         kCTRegistrationStatus = kCTRegistrationStatusRegisteredHome;
         */

    }
    else if ([notifyname isEqualToString:@"kCTRegistrationDataStatusChangedNotification"])
    {
        /*
         kCTRegistrationDataActive = 1;
         kCTRegistrationDataAttached = 1;
         kCTRegistrationDataConnectionServices =     (
         kCTDataConnectionServiceTypeInternet,
         kCTDataConnectionServiceTypeWirelessModemTraffic,
         kCTDataConnectionServiceTypeWirelessModemAuthentication
         );
         kCTRegistrationDataContextID = 0;
         kCTRegistrationDataIndicator = kCTRegistrationDataIndicator3G;
         kCTRegistrationDataStatus = kCTRegistrationDataStatusAttachedAndActive;
         kCTRegistrationDataStatusInternationalRoaming = 1;
         kCTRegistrationRadioAccessTechnology = kCTRegistrationRadioAccessTechnologyUTRAN;
         */ 
    }
    else if ([notifyname isEqualToString:@"kCTRegistrationCellChangedNotification"])
    {
        /*
         kCTRegistrationGsmCellId = 93204174;
         kCTRegistrationGsmLac = 55583;
         kCTRegistrationInHomeCountry = 1;
         kCTRegistrationRadioAccessTechnology = kCTRegistrationRadioAccessTechnologyUTRAN; 
         */
    }
    else if ([notifyname isEqualToString:@"kCTIndicatorRadioTransmitNotification"])
    {
        /*
         kCTRadioTransmitDCHStatus = 1;
         */ 
    }
    //NSLog(@"First Name: %@, Details :%@", notifyname,cuserInfo);


}

static void signalHandler(int sigraised)
{  
    NSLog(@"\nInterrupted.\n");  
    exit(0);  
}


@end