Method Call By Audio Jack

Method Call By Audio Jack

Add framework : - 

- CoreLocation

- AudioToolbox

Background Mode in Capabilities : -

Add In info.plist : -

<key>NSAppTransportSecurity</key>

    <dict>

        <key>NSAllowsArbitraryLoads</key>

        <true/>

    </dict>

    <key>NSLocationAlwaysAndWhenInUseUsageDescription</key>

    <string>Your location is shared with Campus Security Staff to give them Route instructions on map so that they can reach you. </string>

    <key>NSLocationAlwaysUsageDescription</key>

    <string>Your location is shared with Campus Security Staff to give them Route instructions on map so that they can reach you. </string>

    <key>NSLocationWhenInUseUsageDescription</key>

    <string>Your location is shared with Campus Security Staff to give them Route instructions on map so that they can reach you. </string>

ViewController.m : -

#import "ViewController.h"

#import <AudioToolbox/AudioToolbox.h>

#import <AVFoundation/AVFoundation.h>

#import <CoreLocation/CoreLocation.h>

@interface ViewController () <CLLocationManagerDelegate>

{

     CLLocationManager *locationManager;

    

    int countHeadPhonePlugInOut;

    double headPhonePluggedTimeStamp;

}

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    

    countHeadPhonePlugInOut = 0;

    headPhonePluggedTimeStamp = [[NSDate date] timeIntervalSince1970];

    

    //Lat long code

    locationManager = [[CLLocationManager alloc] init];

    [locationManager requestAlwaysAuthorization];

    locationManager.distanceFilter = kCLDistanceFilterNone; // whenever we move

    locationManager.desiredAccuracy = kCLLocationAccuracyBest;

    //-----------------------------

    locationManager.allowsBackgroundLocationUpdates = true;

    if (@available(iOS 11.0, *)) {

        locationManager.showsBackgroundLocationIndicator = false;

    } else {

        // Fallback on earlier versions

    }

    locationManager.delegate = self;

    [locationManager allowDeferredLocationUpdatesUntilTraveled:CLLocationDistanceMax timeout:CLTimeIntervalMax];

    //-----------------------------

    [locationManager startUpdatingLocation];

    

    

    [self setupNotifications];

}

-(void) appDidEnterBackground{

    [self setupNotifications];

   

}

- (void)routeChanged:(NSNotification *)notification {

    //============================

    

    NSNumber *reason = [notification.userInfo objectForKey:AVAudioSessionRouteChangeReasonKey];

    

    if ([reason unsignedIntegerValue] == AVAudioSessionRouteChangeReasonNewDeviceAvailable) {

        NSLog(@"AVAudioSessionRouteChangeReasonNewDeviceAvailable");

        

    } else if ([reason unsignedIntegerValue] == AVAudioSessionRouteChangeReasonOldDeviceUnavailable) {

        NSLog(@"AVAudioSessionRouteChangeReasonOldDeviceUnavailable");

        

        double difference = [[NSDate date] timeIntervalSince1970]  - headPhonePluggedTimeStamp;

        NSLog(@"difference : %f", difference);

        

        if (difference > 5) {

            headPhonePluggedTimeStamp = [[NSDate date] timeIntervalSince1970];

            countHeadPhonePlugInOut = 1;

            

            NSLog(@"Reset Count");

        }else {

            NSLog(@"countHeadPhonePlugInOut : %d", countHeadPhonePlugInOut);

            countHeadPhonePlugInOut++;

        }

        

        if (countHeadPhonePlugInOut >=3) {

            NSLog(@"Start count again");

            AudioServicesPlayAlertSoundWithCompletion(kSystemSoundID_Vibrate

                                                      , ^{

                                                      });

            

            UIAlertController * alert=   [UIAlertController

                                          alertControllerWithTitle:@"Audio Jack Method Done"

                                          message:@""

                                          preferredStyle:UIAlertControllerStyleAlert];

            

            UIAlertAction* yesButton = [UIAlertAction

                                        actionWithTitle:@"OK"

                                        style:UIAlertActionStyleDefault

                                        handler:^(UIAlertAction * action)

                                        {

                                            //Handel your yes please button action here

                                            

                                        }];

            

            [alert addAction:yesButton];

            

            [self presentViewController:alert animated:YES completion:nil];

            

            NSLog(@"******************************************");

            

            

            countHeadPhonePlugInOut = 0;

            headPhonePluggedTimeStamp = [[NSDate date] timeIntervalSince1970];

            

        }else {

            

        }

    }

}

-(void) setupNotifications{

    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(routeChanged:) name:AVAudioSessionRouteChangeNotification object:[AVAudioSession sharedInstance]];

}

#pragma mark - CLLocationManagerDelegate

-(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray<CLLocation *> *)locations{

    //    CLLocation *location = locations[0];

    //    NSLog(@"location.coordinate.latitude :%f,  location.coordinate.longitude : %f", location.coordinate.latitude, location.coordinate.longitude);

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end