yabenatti

import UIKit

class ViewController: UIViewController {

  let titleLabel: UILabel = {
      let label = UILabel()
      label.text = "Hello Constraints"
      label.backgroundColor = .red
      label.translatesAutoresizingMaskIntoConstraints = false
      return label

yabenatti

import Cartography

private func setupWithCartography() {
    view.addSubview(titleLabel)
    view.addSubview(hiButton)

    constrain(titleLabel, view) { label, superview in
        label.top == superview.top + 20
        label.leading == superview.leading + 20
        label.trailing == superview.trailing - 20

yabenatti

private func setupAnchorConstraints() {
    view.addSubview(titleLabel)
    view.addSubview(hiButton)

    titleLabel.topAnchor.constraint(equalTo: view.topAnchor, constant: 20).isActive = true
    titleLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20).isActive = true
    titleLabel.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -20).isActive = true

    hiButton.topAnchor.constraint(equalTo: titleLabel.bottomAnchor, constant: 8).isActive = true
    hiButton.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 20).isActive = true

yabenatti

private func setupNSLayoutConstraints() {
    view.addSubview(titleLabel)
    view.addSubview(hiButton)

    let labelVerticalConstraint = NSLayoutConstraint.init(item: titleLabel, attribute: .top, relatedBy: .equal, toItem: view, attribute: .top, multiplier: 1, constant: 20)
    let labelLeadingConstraint = NSLayoutConstraint.init(item: titleLabel, attribute: .leading, relatedBy: .equal, toItem: view, attribute: .leading, multiplier: 1, constant: 20)
    let labelTrailingConstraint = NSLayoutConstraint.init(item: titleLabel, attribute: .trailing, relatedBy: .equal, toItem: view, attribute: .trailing, multiplier: 1, constant: -20)

    let buttonVerticalConstraint = NSLayoutConstraint.init(item: hiButton, attribute: .top, relatedBy: .equal, toItem: titleLabel, attribute: .bottom, multiplier: 1, constant: 8)
    let buttonLeadingConstraint = NSLayoutConstraint.init(item: hiButton, attribute: .leading, relatedBy: .equal, toItem: view, attribute: .leading, multiplier: 1, constant: 20)

yabenatti

private func setupVisualConstraints() {
    view.addSubview(titleLabel)
    view.addSubview(hiButton)

    let viewsDict = [
        "label": titleLabel,
        "button": hiButton
    ]

    let verticalConstraint = NSLayoutConstraint.constraints(

yabenatti

#
#  Be sure to run `pod spec lint uFeature.podspec' to ensure this is a
#  valid spec and to remove all comments including this before submitting the spec.
#
#  To learn more about Podspec attributes see http://docs.cocoapods.org/specification.html
#  To see working Podspecs in the CocoaPods repo see https://github.com/CocoaPods/Specs/
#

Pod::Spec.new do |s|
  s.name             = 'uFeature'

yabenatti

- (NSString *)getName {
    return @"Yasmin Benatti";
}

- (void)helloWorld {
    NSLog(@"Hello %@", [self getName]);
}

[self helloWorld];

yabenatti

func getName() -> String {
    return "Yasmin Benatti"
}

func helloWorld() {
    print("Hello " + getName())
}

helloWorld()

yabenatti

extension ViewController : UITableViewDelegate {
    //1 - método chamado quando uma linha é selecionada
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        tableView.deselectRow(at: indexPath, animated: true)
    }
    
    //2 - método para definir a altura de cada linha
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 44
    }

yabenatti

extension ViewController : UITableViewDataSource {
    //1 - primeiro método obrigatório 
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 10
    }
    
    //2 - segundo método obrigatório 
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        //3 - crie uma célula com o mesmo identificador de quando registramos a classe
        let cell = tableView.dequeueReusableCell(withIdentifier: "tableCell", for: indexPath)