代码片段快捷键 CodeSnippets

​​https://github.com/jaydee3/CodeSnippets​​

These are my Xcode 4 CodeSnippets.

To use them, clone this repository into the following path:

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

(The folder must be empty, to clone the repository directly in it.)

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

addAChildViewcontroller.codesnippet (Add a child ViewController)

Shortcut: ​

​childController​

​

Adds a child ViewController to self

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

blockSafeSelfPointer.codesnippet (Block safe self pointer)

Shortcut: ​

​bs​

​

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

__weak typeof(self) blockSelf = self;      

createAndShowAUialertview.codesnippet (Create & show a UIAlertView)

Shortcut: ​

​alertview​

​

Shows a newly created alertview

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

createAnImageview.codesnippet (Create an imageView)

Shortcut: ​

​iv​

​

Inits a new imageView with an image via imageNamed.

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

createAReusableTablecell.codesnippet (Create a reusable TableCell)

Shortcut: ​

​tablecell​

​

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

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

    return cell;      

decrementingForLoop.codesnippet (Decrementing For Loop)

Shortcut: ​

​fori​

​

A For Loop decrementing a local variable

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

formattedString.codesnippet (Formatted String)

Shortcut: ​

​format​

​

Shortcut for a formatted string

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

getDocumentsDirectory.codesnippet (Get Documents directory)

Shortcut: ​

​documents​

​

Create path to documents directory

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

importFramework.codesnippet (Import Framework)

Shortcut: ​

​imp2​

​

import a framework

#import <<#header#>>      

importHeader.codesnippet (Import header)

Shortcut: ​

​imp1​

​

Import a header

#import "<#header#>"      

incrementingForLoop.codesnippet (Incrementing For Loop)

Shortcut: ​

​fori​

​

A For loop incrementing a local variable

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

initalizeAnObject.codesnippet (Initalize an object)

Shortcut: ​

​alloc​

​

creates a new object from a given class

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

keyValuePairForLocalization.codesnippet (Key-Value Pair for Localization)

Shortcut: ​

​key​

​

A localization key and its value

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

localizeAString.codesnippet (Localize a string)

Shortcut: ​

​loca​

​

Localizes a string from a given key

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

pragmaMark.codesnippet (Pragma mark)

Shortcut: ​

​pragma​

​

Add a new pragma mark

#pragma mark <#comment#>      

pushAViewcontroller.codesnippet (Push a ViewController)

Shortcut: ​

​push​

​

Pushes a newly created ViewController on the current NavigationController

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

setupAutoresizingOfAView.codesnippet (Setup autoresizing of a view)

Shortcut: ​

​autoresizing​

​

Set the autoresizing flags of a view

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

+ (instancetype)<#sharedInstance#> {
    static id <#_sharedInstance#> = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        <#_sharedInstance#> = [[self alloc] init];
    });

    return <#_sharedInstance#>;
}