Xcode CodeSnippets

Useful set of Xcode Code Snippets.
open Terminal.app, clone this repository into the following path:

Usage:

cd ~/Library/Developer/Xcode/UserData/CodeSnippets
git clone git@github.com:youngshook/XcodeCodeSnippets.git .

open Xcode.app. Enjoy :)

Xcode CodeSnippets Descriptions

addAChildViewcontroller.codesnippet (Add a child ViewController)
Shortcut: childController
Description: Adds a child ViewController to self

UIViewController *newController = <#newController#>;
    [newController willMoveToParentViewController:self];
    [self addChildViewController:newController];
    [self.contentView addSubview:newController.view];
    [newController didMoveToParentViewController:self];

animationBlockAllParameters.codesnippet (Animation block all parameters)
Shortcut: animfullblock
Description: animfullblock

UIViewAnimationOptions options = UIViewAnimationOptionBeginFromCurrentState | UIViewAnimationOptionAllowUserInteraction;
[UIView animateWithDuration:<#duration#> delay:0.0 options:options animations:^{
    <#code#>
            } completion:^(BOOL finished) {
            }];

assignProperty.codesnippet (Assign Property)
Shortcut: pna
Description: pna

@property (nonatomic, assign) <#Type#> <#Property Name#>;

aTodoMarkedWithMyInitials.codesnippet (A todo marked with my initials)
Shortcut: todo
Description: todo

// TODO (YoungShook): <#Note#>

blockMethodWithNoParameters.codesnippet (Block: Method with no parameters)
Shortcut: blocknoparamsmethod
Description: blocknoparamsmethod

- (void)<#methodName#>WithCompletionBlock:(void (^)())completionBlock {
    
    if (completionBlock) {
        completionBlock();
    }
}

blockMethodWithParameters.codesnippet (Block: Method with parameters)
Shortcut: blockmethod
Description: blockmethod

- (void)<#methodName#>WithCompletionBlock:(void (^)(NSString *message, NSError *error))completionBlock {
    NSString *message = nil;
    NSError *error = nil;
    
    if (completionBlock) {
        completionBlock(message, error);
    }
}

blockSafeSelfPointer.codesnippet (Block safe self pointer)
Shortcut: bs
Description: A weak pointer to self (for usage in blocks).

__weak typeof(self) blockSelf = self;

blockVariableWithName.codesnippet (Block Variable with Name)
Shortcut: block_named_variable
Description: block_named_variable

void (^<#blockName#>)(NSData *data) =  ^void (NSData *data, NSError *error) {      
            };

blockWeakSelf.codesnippet (block weak self)
Shortcut: bws
Description: bws

#define BBlockWeakObject(o) __weak __typeof__((__typeof__(o))o)

#define BBlockWeakSelf BBlockWeakObject(self)

classExtension.codesnippet (Class Extension)
Shortcut: class_extension
Description: class_extension

#pragma mark - Class Extension
#pragma mark - 

@interface <#Class Name#> ()

@end

copyProperty.codesnippet (Copy Property)
Shortcut: pnc
Description: pnc

@property (nonatomic, copy) <#Class name#> *<#Property Name#>;

debuglogAnObject.codesnippet (DebugLog an Object)
Shortcut: dl_object
Description: dl_object

NSLog(@"<#name#>: %@", <#name#>);

debugLogMethod.codesnippet (Debug Log Method)
Shortcut: dl_method
Description: dl_method

NSLog(@"%@", NSStringFromSelector(_cmd));

declareVoidReturnMethod.codesnippet (Declare Void return Method)
Shortcut: void
Description: void

- (void)<#methodName#>;

defineMacros.codesnippet (Define Macros)
Shortcut: define_macros
Description: define_macros

#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)

#define LOG_FRAME(label, frame) DebugLog(@"%@: %f, %f, %f, %f", label, frame.origin.x, frame.origin.y, frame.size.width, frame.size.height)
#define LOG_SIZE(label, size) DebugLog(@"%f, %f, %f", label, size.width, size.height)
#define LOG_POINT(label, point) DebugLog(@"%@: %f, %f", label, point.x, point.y)
#define LOG_OFFSET(label, offset) DebugLog(@"%@: %f, %f", label, offset.x, offset.y)
#define LOG_INSET(label, inset) DebugLog(@"%@: %f, %f, %f, %f", label, inset.top, inset.left, inset.bottom, inset.right)

defineSingletonMacro.codesnippet (Define Singleton Macro)
Shortcut: define_singleton_macro
Description: define_singleton_macro

// Adapted to ARC from Matt Gallagher of CocoaWithLove
// Insert into in .pch to use in a project
#define SYNTHESIZE_SINGLETON_FOR_HEADER(classname) \
+ (classname *)sharedInstance;

#define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) \
 \
    static classname *sharedInstance = nil; \
    static dispatch_once_t onceToken; \
 \
+ (classname *)sharedInstance \
{ \
    dispatch_once(&onceToken, ^{ \
        sharedInstance = [[classname alloc] init]; \
    }); \
	 \
	return sharedInstance; \
} \
 \

deleteDocument.codesnippet (Delete Document)
Shortcut: document_delete
Description: document_delete

- (void)deleteDocument:(UIDocument *)document withCompletionBlock:(void (^)())completionBlock {
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
        
        NSError *fileCoordinatorError = nil;
        
        [[[NSFileCoordinator alloc] initWithFilePresenter:nil] coordinateWritingItemAtURL:document.fileURL options:NSFileCoordinatorWritingForDeleting error:&fileCoordinatorError byAccessor:^(NSURL *newURL) {

            // extra check to ensure coordinator is not running on main thread
            NSAssert(![NSThread isMainThread], @"Must be not be on main thread");

            // create a fresh instance of NSFileManager since it is not thread-safe
            NSFileManager *fileManager = [[NSFileManager alloc] init];
            NSError *error = nil;
            if (![fileManager removeItemAtURL:newURL error:&error]) {
                NSLog(@"Error: %@", error);
                // TODO handle the error
            }
            
            if (completionBlock) {
                completionBlock();
            }
        }];
    });
}

deprecated.codesnippet (Deprecated)
Shortcut: deprecated
Description: deprecated

__attribute__ ((deprecated))

directoryExists.codesnippet (Directory Exists)
Shortcut: directory_exists
Description: directory_exists

    BOOL isDirectory = TRUE;
    BOOL exists = [[NSFileManager defaultManager] fileExistsAtPath:url.path isDirectory:&isDirectory];

drawImageMethod.codesnippet (Draw Image Method)
Shortcut: draw_image_method
Description: draw_image_method

- (UIImage *)<#method name#> {
    static UIImage *image = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        UIGraphicsBeginImageContextWithOptions(CGSizeMake(<#width#>, <#height#>), NO, 0.0f);
        
        // insert code from PaintCode here
        <#code#>
        
        image = UIGraphicsGetImageFromCurrentImageContext();
        UIGraphicsEndImageContext();
        
    });
    return image;
}

errorCreation.codesnippet (Error creation)
Shortcut: error_create
Description: error_create

NSDictionary *userInfo = @{NSLocalizedDescriptionKey : @"<#error description#>"};
NSError *error = [NSError errorWithDomain:@"<#domain#>" code:<#errorcode#> userInfo:userInfo];

fileIsExist.codesnippet (File is exist)
Shortcut: fie
Description: fie

- (BOOL)isFileExist:(NSString *)filePath
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    return [fileManager fileExistsAtPath:filePath];
}

fileIsRemove.codesnippet (File is remove)
Shortcut: fir
Description: fir

- (BOOL)removeFile:(NSString *)filePath
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    return [fileManager removeItemAtPath:filePath error:nil];
}

fileIsSize.codesnippet (File is size)
Shortcut: fis
Description: fis

- (unsigned long long)isFileSize:(NSString *)filePath
{
NSFileManager *fileManager = [[NSFileManager alloc] init];
NSDictionary *dict = [fileManager attributesOfItemAtPath:filePath error:nil];
return (unsigned long long)[dict fileSize];
}

fuckingblockmethod.codesnippet (FuckingBlockMethod)
Shortcut: fuckingBlockMethod
Description: Declares a method that takes a block as its first parameter

- (void)someMethodThatTakesABlock:(<#returnType#> (^)(<#parameterTypes#>))<#parameterName#>
{
    
}

fuckingblockproperty.codesnippet (FuckingBlockProperty)
Shortcut: fuckingBlockProperty
Description: Delcares a block as a fucking property

@property (nonatomic, copy) <#returnType#> (^<#blockName#>)(<#parameterTypes#>);

fuckingblocktypedef.codesnippet (FuckingBlockTypedef)
Shortcut: fuckingBlockTypedef
Description: Typedefs a fucking block

typedef <#returnType#> (^<#TypeName#>)(<#parameterTypes#>);

fuckingblockvariable.codesnippet (FuckingBlockVariable)
Shortcut: fuckingBlockVariable
Description: Declares a block as a fucking local variable

<#returnType#> (^<#blockName#>)(<#parameterTypes#>) = ^<#returnType#>(<#parameters#>) {
    <#code#>
};

gcdAsyncCurrentQueue.codesnippet (GCD: Async Current Queue)
Shortcut: gcd_async_current
Description: gcd_async_current

    dispatch_queue_t callerQueue = dispatch_get_current_queue();
dispatch_queue_t <#queueName#> = dispatch_queue_create("<#queueLabel#>", NULL);
dispatch_async(<#queueName#>, ^{
        
        // Do async work
        
        dispatch_async(callerQueue, ^{
            
            // Finish work on the caller's queue
            
        });
    });
dispatch_release(<#queueName#>);

gcdAsyncGlobalQueue.codesnippet (GCD: Async Global Queue )
Shortcut: gcd_async_global
Description: gcd_async_global

    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        // Heavy task
        dispatch_async(dispatch_get_main_queue(), ^{
            // Update UI
        });
        
    });

gcdAsyncWait.codesnippet (GCD: Async Wait)
Shortcut: gcd_async_wait
Description: gcd_async_wait

// do not use
dispatch_queue_t <#queue#> = dispatch_queue_create("<#queue#>", NULL);
    dispatch_async(queue, ^ {
        // do async work
    });
    
    // do more work concurrently
dispatch_sync(<#queue#>, ^{}); // wait for async block to finish
//dispatch_release(<#queue#>); // not needed for ARC

gcdDefaultPriorityQueue.codesnippet (GCD: Default priority queue)
Shortcut: gcd_default_priority_queue
Description: gcd_default_priority_queue

dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
    <#code#>
});

gcdDispatchAfter.codesnippet (GCD: Dispatch After)
Shortcut: gcd_dispatchafter
Description: gcd_dispatchafter

dispatch_after(dispatch_time(DISPATCH_TIME_NOW, <#ms#> * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
    <#code#>
    });

gcdGetQueueLabel.codesnippet (GCD: Get Queue Label)
Shortcut: gcd_getqueuelabel
Description: gcd_getqueuelabel

NSString *queueLabel = [NSString stringWithCString: dispatch_queue_get_label(dispatch_get_current_queue())encoding:NSUTF8StringEncoding];

gcdMainQueue.codesnippet (GCD: Main Queue)
Shortcut: gcd_main_queue
Description: gcd_main_queue

    dispatch_async(dispatch_get_main_queue(), ^{
        <#code#>
    });

gcdRunOnMainQueue.codesnippet (GCD: Run on Main Queue)
Shortcut: define_gcd_run_on_main_queue
Description: define_gcd_run_on_main_queue

#define gcd_run_on_main_queue(block) \
    if ([NSThread isMainThread]) \
        block(); \
    else \
        dispatch_sync(dispatch_get_main_queue(), block); \

gcdRunWithHighPriorityQueue.codesnippet (GCD: Run with high priority queue)
Shortcut: gcd_high_priority_queue
Description: gcd_high_priority_queue

    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0),^{
        
    });

gcdRunWithLowPriorityQueue.codesnippet (GCD: Run with low priority queue)
Shortcut: gcd_low_priority_queue
Description: gcd_low_priority_queue

    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0), ^{
        
    });

gcdWaitForBlocks.codesnippet (GCD: Wait for Blocks)
Shortcut: gcd_wait_for_blocks
Description: gcd_wait_for_blocks

    @autoreleasepool {
        dispatch_queue_t queue = dispatch_queue_create("<#queue name#>", 0);
        dispatch_sync(queue,  ^(){
            // insert sync code
        });
        dispatch_async(queue, ^(){
            // insert async code
        });
        // wait for queue
        dispatch_barrier_sync(queue, ^(){
            // insert completion code
        });
    }

getLibraryCachesPath.codesnippet (get Library Caches Path)
Shortcut: librarycaches
Description: librarycaches

                NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
                NSString *LibraryDirectory = [paths objectAtIndex:0];

heightForMainScreen.codesnippet (Height for main screen)
Shortcut: height_main_screen
Description: height_main_screen

CGRectGetHeight([[UIScreen mainScreen] bounds])

heightForViewControllerSView.codesnippet (Height for View Controller's View)
Shortcut: height_for_vc_view
Description: height_for_vc_view

CGRectGetHeight(self.view.frame)

imageDraw.codesnippet (Image Draw)
Shortcut: draw_image
Description: draw_image

UIGraphicsBeginImageContextWithOptions(CGSizeMake(<#width#>, <#height#>), NO, 0.0f);

    // insert code from PaintCode here
    <#code#>

    image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    //use image

imageResizeToMax.codesnippet (Image Resize to Max)
Shortcut: image_resize_to_max
Description: image_resize_to_max

- (UIImage *)resizeImage:(UIImage *)image toMaximumSize:(CGSize)maxSize {
    CGFloat widthRatio = maxSize.width / image.size.width;
    CGFloat heightRatio = maxSize.height / image.size.height;
    CGFloat scaleRatio = widthRatio < heightRatio ? widthRatio : heightRatio;
    CGSize newSize = CGSizeMake(image.size.width * scaleRatio, image.size.height * scaleRatio);
    
    UIGraphicsBeginImageContextWithOptions(newSize, NO, image.scale);
    [image drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
    UIImage *resizedImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    return resizedImage;
}

isBackgroundSupported.codesnippet (Is Background Supported)
Shortcut: isBackgroundSupported
Description: isBackgroundSupported

- (BOOL)isBackgroundSupported {
    UIDevice* device = [UIDevice currentDevice];
    BOOL backgroundSupported = NO;
    if ([device respondsToSelector:@selector(isMultitaskingSupported)]) {
        backgroundSupported = device.multitaskingSupported;
    }
    
    return backgroundSupported;
}

isDateAfterOtherDate.codesnippet (Is date after other date)
Shortcut: date_is_after
Description: date_is_after

    BOOL isAfter = [[NSDate distantFuture] compare:[NSDate distantPast]] == NSOrderedDescending;

isViewControllerVisible.codesnippet (Is View Controller Visible)
Shortcut: isviewcontrollervisible
Description: isviewcontrollervisible

    if (self.isViewLoaded && self.view.window) {
        // viewController is visible
    }

keyboard.codesnippet (keyboard)
Shortcut: keyboardhide
Description: keyboardhide

-(void)textFieldDidBeginEditing:(UITextField *)sender
{
    if ([sender isEqual:_textField])
    {
        //move the main view, so that the keyboard does not hide it.
        if  (self.view.frame.origin.y >= 0)
        {
            [self setViewMovedUp:YES];
        }
    }
}

//method to move the view up/down whenever the keyboard is shown/dismissed
-(void)setViewMovedUp:(BOOL)movedUp
{
    [UIView beginAnimations:nil context:NULL];
    [UIView setAnimationDuration:0.5]; // if you want to slide up the view
    
    CGRect rect = self.view.frame;
    if (movedUp)
    {
        // 1. move the view's origin up so that the text field that will be hidden come above the keyboard 
        // 2. increase the size of the view so that the area behind the keyboard is covered up.
        rect.origin.y -= kOFFSET_FOR_KEYBOARD;
        rect.size.height += kOFFSET_FOR_KEYBOARD;
    }
    else
    {
        // revert back to the normal state.
        rect.origin.y += kOFFSET_FOR_KEYBOARD;
        rect.size.height -= kOFFSET_FOR_KEYBOARD;
    }
    self.view.frame = rect;
    
    [UIView commitAnimations];
}


- (void)keyboardWillShow:(NSNotification *)notif
{
    //keyboard will be shown now. depending for which textfield is active, move up or move down the view appropriately
    
    if ([_textField isFirstResponder] && self.view.frame.origin.y >= 0)
    {
        [self setViewMovedUp:YES];
    }
    else if (![_textField isFirstResponder] && self.view.frame.origin.y < 0)
    {
        [self setViewMovedUp:NO];
    }
}


- (void)viewWillAppear:(BOOL)animated
{
    // register for keyboard notifications
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:)
                                                 name:UIKeyboardWillShowNotification object:self.view.window];
}

- (void)viewWillDisappear:(BOOL)animated
{
    // unregister for keyboard notifications while not visible.
    [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
}

localizedString.codesnippet (Localized String)
Shortcut: localized_string
Description: localized_string

NSLocalizedString(@"<#value#>", <#comment string or nil#>)

logFonts.codesnippet (Log Fonts)
Shortcut: log_fonts
Description: log_fonts

- (void)logFonts {
    for (id familyName in [UIFont familyNames]) {
        DebugLog(@"Family Name: %@", familyName);
        for (id fontName in [UIFont fontNamesForFamilyName:familyName]) {
            DebugLog(@"Font Name: %@", fontName);
        }
    }
}

maassertDefined.codesnippet (MAAssert Defined)
Shortcut: maassert_defined
Description: maassert_defined

#ifndef NS_BLOCK_ASSERTIONS

// Credit: http://sstools.co/maassert
#define MAAssert(expression, ...) \
do { \
if(!(expression)) { \
NSLog(@"Assertion failure: %s in %s on line %s:%d. %@", #expression, __func__, __FILE__, __LINE__, [NSString stringWithFormat: @"" __VA_ARGS__]); \
abort(); \
} \
} while(0)

#else

#define MAAssert(expression, ...)

#endif

mainThreadAssertion.codesnippet (Main Thread Assertion)
Shortcut: main_thread_assert
Description: main_thread_assert

MAAssert([NSThread isMainThread], @"Must be main thread");

methodPragmaMark.codesnippet (Method Pragma Mark)
Shortcut: mk
Description: mk

#pragma mark <#Label#>

methodReturnVoid.codesnippet (Method Return Void)
Shortcut: method
Description: method

- (void)<#methodName#> {
    <#DO#>
}

noticationHandler.codesnippet (Notication: Handler)
Shortcut: notification_handler
Description: notification_handler

- (void)<#method name#>:(NSNotification *)notification {
}

notificationAddObserver.codesnippet (Notification: Add Observer)
Shortcut: notification_observe
Description: notification_observe

	[[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(<#selector#>)
                                                 name:<#notification name#>
				 object:nil];

notificationNamedBlock.codesnippet (Notification: Named Block)
Shortcut: notification_named_block
Description: notification_named_block

void (^<#blockName#>)(NSNotification *notification) =  ^void (NSNotification *notification) {
            };

notificationObserveByNameWithBlock.codesnippet (Notification: Observe by Name with Block)
Shortcut: notification_observewithblock
Description: notification_observewithblock

self.<#name#>Observer = [[NSNotificationCenter defaultCenter] addObserverForName:<#name#> 
                                                  object:nil 
                                                   queue:[NSOperationQueue mainQueue] 
                                              usingBlock:^(NSNotification *notification) {
                                                  <#code#>
                                              }];

notificationPost.codesnippet (Notification: Post)
Shortcut: notification_post
Description: notification_post

[[NSNotificationCenter defaultCenter] postNotificationName:<#notification name#> object:<#nil or userInfo dictionary#>];

notificationPostWithUserInfo.codesnippet (Notification: Post with User Info)
Shortcut: notification_post_with_userinfo
Description: notification_post_with_userinfo

NSDictionary *userInfo = [NSDictionary dictionaryWithObject:<#object#> 
                                                     forKey:<#key#>];
[[NSNotificationCenter defaultCenter] postNotificationName:<#name#> 
                                                            object:nil
                                                          userInfo:userInfo];

notificationRemoveBlockObserver.codesnippet (Notification: Remove Block Observer)
Shortcut: notification_remove_block_observer
Description: notification_remove_block_observer

[[NSNotificationCenter defaultCenter] removeObserver:self.<#observer property#> 
                                                name:<#notification name#> 
                                                  object:nil];

notificationRemoveObserver.codesnippet (Notification: Remove Observer)
Shortcut: notification_remove
Description: notification_remove

	[[NSNotificationCenter defaultCenter] removeObserver:self 
                                                    name:<#notification name#> 
                                                  object:nil];

nslog.codesnippet (NSLog)
Shortcut: lg
Description: lg

NSLog(@"<#Log#>");

performBlockAfterDelay.codesnippet (Perform Block After Delay)
Shortcut: block_peform_after_delay
Description: block_peform_after_delay

- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, delay * NSEC_PER_SEC), dispatch_get_main_queue(), block);
}

pragma.codesnippet (Pragma)
Shortcut: pp
Description: pp

#pragma mark <#Description#>

prepareForSegue.codesnippet (Prepare for Segue)
Shortcut: prepareforsegue
Description: prepareforsegue

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    DebugLog(@"segue: %@", segue.identifier);
}

propertyStrong.codesnippet (Property Strong)
Shortcut: pns
Description: pns

@property (nonatomic, strong) <#Type#> <#Property Name#>;

pushAViewcontroller.codesnippet (Push a ViewController)
Shortcut: push
Description: Pushes a newly created ViewController on the current NavigationController

<#UIViewController#>* viewController = [[<#UIViewController#> alloc] init];
    [self.navigationController pushViewController:viewController animated:YES];

retainProperty.codesnippet (Retain Property)
Shortcut: pnr
Description: pnr

@property (nonatomic, retain) <#Type#> <#Property Name#>;

runOnMainThread.codesnippet (Run on Main Thread)
Shortcut: run_on_main_thread
Description: run_on_main_thread

void runOnMainQueueWithoutDeadlocking(void (^block)(void))
{
    if ([NSThread isMainThread])
    {
        block();
    }
    else
    {
        dispatch_sync(dispatch_get_main_queue(), block);
    }
}

sectionHeader.codesnippet (Section Header)
Shortcut: pmk
Description: pmk

#pragma mark - <#Section Name#>

setupAutoresizingOfAView.codesnippet (Setup autoresizing of a view)
Shortcut: autoresizing
Description: Set the autoresizing flags of a view

<#view#>.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

sharedSingleton.codesnippet (Shared Singleton)
Shortcut: single
Description: single

+ (instancetype)shared<#name#> {
    static <#class#> *_shared<#name#> = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _shared<#name#> = <#initializer#>;
    });
    
    return _shared<#name#>;
}

singleImplementation.codesnippet (single implementation)
Shortcut: sgi
Description: sgi

+ (id)share<#ClassName#>
{
    static <#ClassName#> *<#className#> = nil;
    static dispatch_once_t onceToken;

    dispatch_once(&onceToken, ^{ <#className#> = [[self alloc] init];});
    return <#className#>;
}

- (id)init
{
    self = [super init];
    if (self) {
        
    }
    return self;
}

stringConstantHeader.codesnippet (String Constant Header)
Shortcut: string_constant_header
Description: string_constant_header

extern NSString * const <#name#>;

stringConstantImplementation.codesnippet (String Constant Implementation)
Shortcut: string_constant_imp
Description: string_constant_imp

NSString * const <#name#> = @"<#value#>";

stringContains.codesnippet (String Contains)
Shortcut: string_contains
Description: string_contains

[<#string#> rangeOfString:@"<#match#>"].location != NSNotFound

suppressDeprecationWarning.codesnippet (Suppress deprecation warning)
Shortcut: suppress_deprecation_warnings
Description: suppress_deprecation_warnings

#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
// deprecated method call
#pragma GCC diagnostic warning "-Wdeprecated-declarations"

udidGenerator.codesnippet (UDID Generator)
Shortcut: udid_create
Description: udid_create

    CFUUIDRef uuid = CFUUIDCreate(NULL);
    CFStringRef uuidStr = CFUUIDCreateString(NULL, uuid);
    NSString *uniqueIdentifier = [NSString stringWithFormat:@"%@", uuidStr];

uicollectionviewDatesource.codesnippet (UICollectionView DateSource)
Shortcut: cvds
Description: cvds

#pragma mark - UICollectionViewDataSource

- (NSInteger)collectionView:(UICollectionView *)collectionView
numberOfItemsInSection:(NSInteger)section
{
    return <#numberOfItemsInSection#>;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView
cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:<#reuseIdentifier#> forIndexPath:indexPath];
    
    [self configureCell:cell forItemAtIndexPath:indexPath];
    
    return cell;
}

- (void)configureCell:(UICollectionViewCell *)cell
forItemAtIndexPath:(NSIndexPath *)indexPath
{
    <# statements #>
}

uicontroleventtouchupinside.codesnippet (UIControlEventTouchUpInside)
Shortcut: tu
Description: tu

UIControlEventTouchUpInside

uiimageviewAlloc.codesnippet (UIImageView Alloc)
Shortcut: imv
Description: imv

[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"<#image name#>"]]

uitableviewDelegates.codesnippet (UITableView Delegates)
Shortcut: tvds
Description: tvds

#pragma mark - UITableViewDataSource
#pragma mark -

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return <#number#>;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return <#number#>;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *CellIdentifier = @"<#identifier#>";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];
    
    return cell;
}

- (void)configureCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
    // TODO configure cell
}

#pragma mark - UITableViewDelegate
#pragma mark -

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
}

uiviewAnimateBlock.codesnippet (UIView Animate Block)
Shortcut: animblock
Description: animblock

 [UIView animateWithDuration:<#secs#> animations:^{
        <#code#>
    } completion:^(BOOL finished) {
    }];

uiviewcontrollerLifecycel.codesnippet (UIViewController LifeCycel)
Shortcut: lifecycel
Description: lifecycel

#pragma mark - UIViewController

- (void)viewDidLoad {
    [super viewDidLoad];
}

- (void)viewDidUnload {
    [super viewDidUnload];
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
}

- (void)viewWillDisappear:(BOOL)animated {
	[super viewWillDisappear:animated];
}

- (void)viewDidDisappear:(BOOL)animated {
	[super viewDidDisappear:animated];
}

uiwebviewdelegate.codesnippet (UIWebViewDelegate)
Shortcut: webviewdelegate
Description: webviewdelegate

#pragma mark - UIWebViewDelegate

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
    if (error.code != NSURLErrorCancelled) {
        <#Do#>
    }
}

- (void)webViewDidFinishLoad:(UIWebView *)webView {
    <#Do#>
}

- (void)webViewDidStartLoad:(UIWebView *)webView {
    <#Do#>
}

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType {
    <#Do#>
    return YES;
}

viewcontrollerLifeCylic.codesnippet (ViewController life cylic)
Shortcut: viewlife
Description: viewlife

#pragma mark - UIViewController

- (void)viewDidLoad {
    [super viewDidLoad];
}

- (void)viewDidUnload {
    [super viewDidUnload];
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
}

- (void)viewWillDisappear:(BOOL)animated {
	[super viewWillDisappear:animated];
}

- (void)viewDidDisappear:(BOOL)animated {
	[super viewDidDisappear:animated];
}

viewDidDisappear.codesnippet (View Did Disappear)
Shortcut: viewdiddisappear
Description: viewdiddisappear

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
}

viewDidLoad.codesnippet (View Did Load)
Shortcut: viewdidload
Description: viewdidload

- (void)viewDidLoad {
    [super viewDidLoad];
}

viewWillAppear.codesnippet (View Will Appear)
Shortcut: viewwillappear
Description: viewwillappear

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
}

viewWillDisappear.codesnippet (View Will Disappear)
Shortcut: viewwilldissappear
Description: viewwilldissappear

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
}

weakIboutletProperty.codesnippet (Weak IBOutlet Property)
Shortcut: pni
Description: pni

@property (nonatomic, weak) IBOutlet <#Type#> <#Property Name#>;

weakProperty.codesnippet (Weak Property)
Shortcut: pnw
Description: pnw

@property (nonatomic, weak) <#Class name#> *<#Property Name#>;