IOS direct dialing number

IOS direct dialing number

Direct code:

Class

 

// ACETelPrompt. h

 

 

# Import

 

@ Interface ACETelPrompt: NSObject

 

Typedef void (^ ACETelCallBlock) (NSTimeInterval duration );

Typedef void (^ ACETelCancelBlock) (void );

 

+ (BOOL) callPhoneNumber :( NSString *) phoneNumber

Call :( ACETelCallBlock) callBlock

Cancel :( ACETelCancelBlock) cancelBlock;

 

@ End

// ACETelPrompt. m

 

# Import "ACETelPrompt. h"

# Import "AppDelegate. h"

 

// The time required to launch the phone app and come back (will be substracted to the duration)

# Define kCallSetupTime 3.0

 

@ Interface ACETelPrompt ()

@ Property (nonatomic, strong) NSDate * callStartTime;

 

@ Property (nonatomic, copy) ACETelCallBlock callBlock;

@ Property (nonatomic, copy) ACETelCancelBlock cancelBlock;

@ End

 

@ Implementation ACETelPrompt

 

+ (Instancetype) sharedInstance

{

Static ACETelPrompt * _ instance = nil;

Static dispatch_once_t oncePredicate;

Dispatch_once (& oncePredicate, ^ {

_ Instance = [[self alloc] init];

});

Return _ instance;

}

 

+ (BOOL) callPhoneNumber :( NSString *) phoneNumber

Call :( ACETelCallBlock) callBlock

Cancel :( ACETelCancelBlock) cancelBlock

{

If ([self validPhone: phoneNumber]) {

 

ACETelPrompt * telPrompt = [ACETelPrompt sharedInstance];

 

// Observe the app notifications

[TelPrompt setNotifications];

 

// Set the blocks

TelPrompt. callBlock = callBlock;

TelPrompt. cancelBlock = cancelBlock;

 

// Clean the phone number

NSString * simplePhoneNumber =

[[PhoneNumber componentsSeparatedByCharactersInSet:

[[NSCharacterSet decimalDigitCharacterSet] invertedSet] componentsJoinedByString: @ ""];

 

// Call the phone number using the telprompt scheme

NSString * stringURL = [@ "telprompt: //" stringByAppendingString: simplePhoneNumber];

[[UIApplication sharedApplication] openURL: [NSURL URLWithString: stringURL];

 

Return YES;

}

Return NO;

}

 

+ (BOOL) validPhone :( NSString *) phoneString

{

NSTextCheckingType = [[NSTextCheckingResult phoneNumberCheckingResultWithRange: NSMakeRange (0, phoneString. length)

PhoneNumber: phoneString] resultType];

Return type = NSTextCheckingTypePhoneNumber;

}

 

 

# Pragma mark-Events

 

-(Void) setconfigurications

{

[[Nsicationcenter center defacenter center] addObserver: self

Selector: @ selector (applicationDidEnterBackground :)

Name: UIApplicationDidEnterBackgroundNotification

Object: nil];

 

[[Nsicationcenter center defacenter center] addObserver: self

Selector: @ selector (applicationDidBecomeActive :)

Name: UIApplicationDidBecomeActiveNotification

Object: nil];

 

}

 

 

# Pragma mark-Events

 

-(Void) applicationDidEnterBackground :( NSNotification *) notification

{

// Save the time of the call

Self. callStartTime = [NSDate date];

}

 

-(Void) applicationDidBecomeActive :( NSNotification *) notification

{

// Now it's time to remove the observers

[[Nsicationcenter center defacenter center] removeObserver: self];

 

If (self. callStartTime! = Nil ){

 

// I'm coming back after a call

If (self. callBlock! = Nil ){

Self. callBlock (-([self. callStartTime timeIntervalSinceNow])-kCallSetupTime );

}

 

// Reset the start timer

Self. callStartTime = nil;

 

} Else if (self. cancelBlock! = Nil ){

 

// User didn't start the call

Self. cancelBlock ();

}

}

 

Call

 

-(IBAction) connectUs :( id) sender {

[ACETelPrompt callPhoneNumber: @ "020-38880808080"

Call: ^ (NSTimeInterval duration ){

NSLog (@ "User made a call of %. 1f seconds", duration );

 

} Cancel: ^ {

NSLog (@ "User canceled the call ");

}];

}

 

@ End