SandeepAggarwal

///copy the implementation of NSObject.init and exchange it with some new fake init we are going to create.
///https://nshint.io/blog/2019/04/08/testing-the-camera-on-the-simulator/
///https://pspdfkit.com/blog/2019/swizzling-in-swift/
private struct Swizzler {
  private let klass: AnyClass

  init(_ klass: AnyClass) {
      self.klass = klass
  }

SandeepAggarwal

import PlaygroundSupport

class Node {
  var data: Int
  var next: Node?
  
  init(data: Int) {
    self.data = data
  }
  

SandeepAggarwal

import Foundation

class A {
  func call(selector: Selector, on destination: Any) {
    if let object = destination as? NSObject {
      object.performSelector(onMainThread: selector, with: self, waitUntilDone: true)
    } else {
      DispatchQueue.main.async {
        Thread.detachNewThreadSelector(selector, toTarget: destination, with: self)
      }

SandeepAggarwal

import Foundation

protocol MyNotificationCenterInterface {
  func addObserver(_ observer: Any, selector: Selector, name: NSNotification.Name?, object: Any?)
  func post(_ notification: Notification)
}

struct NotificationObserverData {
  let observer: Any,
      selector: Selector,

SandeepAggarwal

import Foundation

class TreeNode {
  var data: Int
  var left: TreeNode?
  var right: TreeNode?

  init(data: Int) {
    self.data = data
  }

SandeepAggarwal

def configure_branch_settings(target)
 target.build_configurations.each do |config|
  config.build_settings['GCC_PREPROCESSOR_DEFINITIONS'] = ['$(inherited)', 'BRANCH_EXCLUDE_IDFA_CODE=1']
 end
end

post_install do |installer|
  installer.pods_project.targets.each do |target|
    if target.name == 'Branch'
      # NOTE: we need to set this in order to compile Branch pod such that it won't call https://developer.apple.com/documentation/adsupport/asidentifiermanager/1614151-advertisingidentifier at runtime. This is to prevent Apple from requiring us to show https://developer.apple.com/documentation/apptrackingtransparency/attrackingmanager to users

SandeepAggarwal

  func fixiOS15AppearanceIssues() {
    fixiOS15NavBarIssues()
    fixiOS15TabBarIssues()
  }
    
  private func fixiOS15NavBarIssues() {
    if #available(iOS 15, *) {
      let appearance = UINavigationBarAppearance()
      appearance.configureWithOpaqueBackground()
      appearance.backgroundColor = .blue //customised nav bar background color 

SandeepAggarwal

override var preferredStatusBarStyle : UIStatusBarStyle {
  return .default
}
    

SandeepAggarwal

override var preferredStatusBarStyle : UIStatusBarStyle {
  return .default
}

SandeepAggarwal

///Remove section header top spacing - https://developer.apple.com/forums/thread/684706

if #available(iOS 15, *) {
  sectionHeaderTopPadding = 0
}