Replacing UDID Solution With iOS-UUID

Print? # Import <Foundation/Foundation. h>
 
@ Interface UUID: NSObject
{}
@ Property (nonatomic, readonly, retain) NSString * UUIDString;
 
+ (UUID *) sharedUUID;
 
@ End

# Import <Foundation/Foundation. h>

@ Interface UUID: NSObject
{}
@ Property (nonatomic, readonly, retain) NSString * UUIDString;

+ (UUID *) sharedUUID;

@ End

 

[Plain]
# Import "UUID. h"
 
# Define UUID_KEY (@ "MobileUUID ")
 
Static UUID * _ sharedUUID = nil;
 
@ Implementation UUID
@ Synthesize UUIDString = _ UUIDString;
 
+ (UUID *) sharedUUID;
{
@ Synchronized (self)
{
If (_ sharedUUID = nil)
{
_ SharedUUID = [[UUID alloc] init];
}
}
Return _ sharedUUID;
}
 
-(Id) init
{
If (self = [super init])
{
}
Return self;
}
 
# Pragma mark-
# Pragma mark UUIDString
-(NSString *) UUIDString
{
NSString * uuuidstring = [[NSUserDefaults standardUserDefaults] objectForKey: UUID_KEY];

If (uuidString & [uuidString length])
{
Return uuidString;
}
Else
{
CFUUIDRef uuidRef = CFUUIDCreate (nil );
CFStringRef stringRef = CFUUIDCreateString (nil, uuidRef );
UuidString = (NSString *) CFStringCreateCopy (nil, stringRef );
CFRelease (uuidRef );
CFRelease (stringRef );

[[NSUserDefaults standardUserDefaults] setObject: uuidString forKey: UUID_KEY];
[[NSUserDefaults standardUserDefaults] synchronize];

Return [uuidString autorelease];
}

Return nil;
}
 
# Pragma mark-
# Pragma mark dealloc
-(Void) dealloc
{
[_ UUIDString release];
[_ SharedUUID release];

[Super dealloc];
}
@ End

# Import "UUID. h"

# Define UUID_KEY (@ "MobileUUID ")

Static UUID * _ sharedUUID = nil;

@ Implementation UUID
@ Synthesize UUIDString = _ UUIDString;

+ (UUID *) sharedUUID;
{
@ Synchronized (self)
{
If (_ sharedUUID = nil)
{
_ SharedUUID = [[UUID alloc] init];
}
}
Return _ sharedUUID;
}

-(Id) init
{
If (self = [super init])
{
}
Return self;
}

# Pragma mark-
# Pragma mark UUIDString
-(NSString *) UUIDString
{
NSString * uuuidstring = [[NSUserDefaults standardUserDefaults] objectForKey: UUID_KEY];

If (uuidString & [uuidString length])
{
Return uuidString;
}
Else
{
CFUUIDRef uuidRef = CFUUIDCreate (nil );
CFStringRef stringRef = CFUUIDCreateString (nil, uuidRef );
UuidString = (NSString *) CFStringCreateCopy (nil, stringRef );
CFRelease (uuidRef );
CFRelease (stringRef );

[[NSUserDefaults standardUserDefaults] setObject: uuidString forKey: UUID_KEY];
[[NSUserDefaults standardUserDefaults] synchronize];

Return [uuidString autorelease];
}

Return nil;
}

# Pragma mark-
# Pragma mark dealloc
-(Void) dealloc
{
[_ UUIDString release];
[_ SharedUUID release];

[Super dealloc];
}
@ End