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Programming language: Shell
License: MIT License
Tags: Xcode     Other Xcode    

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README

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XcodeCodeSnippets

A set of snippets for Xcode.

Requirements

Xcode 7.3.1 or later.

Installation

To install or update the snippets you need:

  • Quit Xcode
  • On the command line:
cd ~/Downloads
git clone https://github.com/ismetanin/XcodeCodeSnippets
mkdir -p $HOME/Library/Developer/Xcode/UserData/CodeSnippets
cp XcodeCodeSnippets/CodeSnippets/* $HOME/Library/Developer/Xcode/UserData/CodeSnippets
rm -rf XcodeCodeSnippets

Or if you have a cloned repository:

  • On the command line, cd into the directory with snippets and write sh ./install.sh

List of snippets

MARKs

There are MARKs for Swift and Objective-C. For Swift there is prefix before each // MARK: - and for Objective-C prefix is #pragma mark -.

Shortcuts are equal to snippet body for example for // MARK: - Properties shortcut is Properties.

Available MARKs

Snippet
Just empty mark (// MARK: - or #pragma mark -)
Nested types
Constants
Subviews
NSLayoutConstraints
Properties
Public properties
Readonly properties
IBOutlets
Initialization and deinitialization
UITableViewCell
UIViewController
Actions
IBActions
Public methods
Internal methods
Private methods

Code

  • A template for creating TableViewAdapter, shortcut: Table View Adapter Code
    import UIKit

    protocol <#Your#>TableViewAdapterOutput {
    }

    final class <#Your#>TableViewAdapter: NSObject {
        // MARK: - Properties

        private let output: <#Your#>TableViewAdapterOutput

        private var items: [String]
        private var tableView: UITableView

        // MARK: - Initialization and deinitialization

        init(tableView: UITableView, output: <#Your#>TableViewAdapterOutput) {
            self.output = output
            self.tableView = tableView
            self.items = []
            super.init()
            setupTable()
        }

        // MARK: - Internal methods

        func configure(with items: [String]) {
            self.items = items
            tableView.reloadData()
        }

        // MARK: - Private methods

        private func setupTable() {
            tableView.delegate = self
            tableView.dataSource = self
            tableView.register(
                UINib(nibName: String(describing: <#Your#>TableViewCell.self), bundle: nil),
                forCellReuseIdentifier: String(describing: <#Your#>TableViewCell.self)
            )
        }
    }

    // MARK: - UITableViewDataSource

    extension <#Your#>TableViewAdapter: UITableViewDataSource {
        func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
            return items.count
        }

        func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
            let cell = tableView.dequeueReusableCell(
                withIdentifier: String(describing: <#Your#>TableViewCell.self),
                for: indexPath
            ) as? TableViewCell
            cell?.backgroundColor = .red
            return cell ?? <#Your#>UITableViewCell()
        }
    }

    // MARK: - UITableViewDelegate

    extension <#Your#>TableViewAdapter: UITableViewDelegate {
        func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
            tableView.deselectRow(at: indexPath, animated: true)
        }
    }
  • A code block for creating user property in UserDefaults extension, shortcut: Defaults Key Code
    var <#defaultsKey#>: <#Type#> {
        get { return <#typeof#>(forKey: #function) }
        set { set(newValue, forKey: #function) }
    }
  • A code block for layouting child view anchors equal to the parent view anchors, shortcut: Constraints - layout child as parent Code
    <#childView#>.translatesAutoresizingMaskIntoConstraints = false

    NSLayoutConstraint.activate([
        <#childView#>.topAnchor.constraint(equalTo: <#parentView#>.safeAreaLayoutGuide.topAnchor, constant: 0),
        <#childView#>.bottomAnchor.constraint(equalTo: <#parentView#>.safeAreaLayoutGuide.bottomAnchor, constant: 0),
        <#childView#>.leadingAnchor.constraint(equalTo: <#parentView#>.safeAreaLayoutGuide.leadingAnchor, constant: 0),
        <#childView#>.trailingAnchor.constraint(equalTo: <#parentView#>.safeAreaLayoutGuide.trailingAnchor, constant: 0)
        ])
  • A code block for user property creating in NSNotification.Name extension, shortcut: NSNotification Name Code
  static let <#notificationName#> = NSNotification.Name("<#projectName#>.notifications.<#notificationName#>")
  • A code block for creating template comments for unit test, shortcut: testtemplate Code
  // given

  // when

  // then
  • A code block for creating template constants enum, shortcut: Constants enum Code
    // MARK: - Nested types

    private enum Constants {

    }
    ```

   </details>

* A code block for creating keyboard notifications detector, **shortcut:** `Keyboard detector`
  <details>
  <summary>Code</summary>
  <br>

   ```swift
  func addKeyboardObservers() {
        NotificationCenter.default.addObserver(self,
                                               selector: #selector(keyboardWillShow),
                                               name: UIResponder.keyboardWillShowNotification,
                                               object: nil)
        NotificationCenter.default.addObserver(self,
                                               selector: #selector(keyboardWillHide),
                                               name: UIResponder.keyboardWillHideNotification,
                                               object: nil)
    }

    @objc
    func keyboardWillShow(notification: NSNotification) {
        guard
            let frame = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue
        else {
            return
        }
    }

    @objc
    func keyboardWillHide() {

    }

Author

Ivan Smetanin, [email protected]

License

XcodeCodeSnippets is available under the MIT license. See the LICENSE file for more info.


*Note that all licence references and agreements mentioned in the XcodeCodeSnippets README section above are relevant to that project's source code only.