title: Back button without using navigation controller in IOS
body: <p>I haven't embedd navigation controller with my view controller. Now i'm using a code to go back to home screen to with the use of back button but there nothing appears, i don't know why. I don't want to use navigation controller in my vc. This is the code,</p>
  
  <pre><code>    UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"car_marker.png"]
                                                                 style:UIBarButtonItemStylePlain
                                                                target:self.navigationController
                                                                action:@selector(popViewControllerAnimated:)];
  self.navigationItem.leftBarButtonItem = backButton;
  </code></pre>
  
  <p>It should look like this only,
  <a href="https://i.stack.imgur.com/O1JMp.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/O1JMp.jpg" alt="enter image description here"></a></p>