README.md

CodeSnippets

These are my Xcode CodeSnippets.
To use them, clone this repository into the following path:
(The folder must be empty, to clone the repository directly in it.)

cd ~/Library/Developer/Xcode/UserData/CodeSnippets
git clone [email protected]:jaydee3/CodeSnippets.git .

And you're ready to go.

Installing the pre-commit hook

This README is generated automatically using .generateDescription.py.
To run this script automatically before each commit, install the pre-commit hook like this:

sh .install-precommit-hook.sh

Snippet Descriptions

Add a child ViewController
Adds a child ViewController to self

Shortcut: childController
File: objc_addAChildViewcontroller.codesnippet

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

Create a reusable TableCell
Initialises / deques a new cell from the tableview using an identifier

Shortcut: tablecell
File: objc_createAReusableTablecell.codesnippet

// create / dequeue cell
static NSString* identifier = @"<#identifier#>";
    UITableViewCell* cell = [tableView dequeueReusableCellWithIdentifier:identifier];
    if (cell == nil) {
        cell = [[<#UITableViewCell#> alloc] initWithStyle:<#UITableViewCellStyleSubtitle#> reuseIdentifier:identifier];
    }
    
    return cell;

Create an imageView
Inits a new imageView with an image via imageNamed.

Shortcut: iv
File: objc_createAnImageview.codesnippet

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

Create & show a UIAlertView
Shows a newly created alertview

Shortcut: alertview
File: objc_createAndShowAUialertview.codesnippet

[[[UIAlertView alloc] initWithTitle:<#title#>
                            message:<#message#>
                           delegate:<#self#>
                  cancelButtonTitle:<#nil#>
                  otherButtonTitles:<#nil#>] show];

Decrementing For Loop
A For Loop decrementing a local variable

Shortcut: fori
File: objc_decrementingForLoop.codesnippet

for (NSInteger i=<#startValue#>; i><#count#>; i--) {
    <#statements#>
}

Formatted String
Shortcut for a formatted string

Shortcut: format
File: objc_formattedString.codesnippet

[NSString stringWithFormat:@"<#string#>", <#param1#>]

Get Documents directory
Create path to documents directory

Shortcut: documents
File: objc_getDocumentsDirectory.codesnippet

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *filePath = [documentsDirectory stringByAppendingPathComponent:@"<#fileName#>"];

Import Framework
import a framework

Shortcut: imp2
File: objc_importFramework.codesnippet

#import <<#header#>>

Import header
Import a header

Shortcut: imp1
File: objc_importHeader.codesnippet

#import "<#header#>"

Incrementing For Loop
A For loop incrementing a local variable

Shortcut: fori
File: objc_incrementingForLoop.codesnippet

for (NSInteger i=0; i<<#count#>; i++) {
    <#statements#>
}

Initalize an object
creates a new object from a given class

Shortcut: alloc
File: objc_initalizeAnObject.codesnippet

<#ClassName#> *<#variableName#> = [[<#ClassName#> alloc] init];

Key-Value Pair for Localization
A localization key and its value

Shortcut: key
File: objc_keyValuePairForLocalization.codesnippet

"<#keyName#>" = "<#value#>";

Localize a string
Localizes a string from a given key

Shortcut: loca
File: objc_localizeAString.codesnippet

NSLocalizedString(@"<#keyName#>", nil)

Pragma mark
Add a new pragma mark

Shortcut: pragma
File: objc_pragmaMark.codesnippet

#pragma mark <#comment#>

Push a ViewController
Pushes a newly created ViewController on the current NavigationController

Shortcut: push
File: objc_pushAViewcontroller.codesnippet

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

Setup autoresizing of a view
Set the autoresizing flags of a view

Shortcut: autoresizing
File: objc_setupAutoresizingOfAView.codesnippet

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

singleton
A singleton implementation using dispatch_once

Shortcut: singleton
File: objc_singleton.codesnippet

+ (instancetype)sharedInstance
{
  static id _sharedInstance = nil;
  static dispatch_once_t onceToken;
  dispatch_once(&onceToken, ^{
    _sharedInstance = [[self alloc] initSharedInstance];
  });
  return _sharedInstance;
}

Strong self pointer
A strong pointer to self (for usage in blocks).

Shortcut: ss
File: objc_strongSelfPointer.codesnippet

__strong __typeof(weakSelf) strongSelf = weakSelf;

Weak self pointer
A weak pointer to self (for usage in blocks).

Shortcut: ws
File: objc_weakSelfPointer.codesnippet

__weak __typeof(self) weakSelf = self;

Guard Weak Self
Guard weak self to exist

Shortcut: ws
File: swift_guardWeakSelf.codesnippet

guard let self = self else { return <#returnValue#> }

Setup custom window & VC
Create window and rootVC

Shortcut: setwin
File: swift_setupCustomWindowAndVc.codesnippet

window = UIWindow(windowScene: scene)
window?.rootViewController = UINavigationController(rootViewController: <#ViewController#>)
window?.makeKeyAndVisible()