How to add a button to a Tab Bar Controller

Question

I mean, not a UITabBarItem, an UIButton. For example, in the Deezer app, the middle button shows a view with an animation that covers the entire screen. I don't want the button to be rounded. Just to execute the action.

You don't need a UIButton to do what you've mentioned. It's as simple as adding a target. — Benjamin Lowry, Feb 06 '17 at 13:30
@user6603599 Perhaps you're looking for animate the buttons transform! Right? — Mannopson, Feb 06 '17 at 13:32
@Mannopson, I want that when the button is pressed, a view controller appears from bottom to top, and to hide it by swiping from top to bottom. — Toma, Feb 06 '17 at 13:33
Possible duplicate of [Make custom button on Tab Bar rounded](http://stackoverflow.com/questions/36014073/make-custom-button-on-tab-bar-rounded) — ThomasCle, Feb 06 '17 at 13:34
@ThomasClemensen, no, it isn't. My target isn't to make the button rounded — Toma, Feb 06 '17 at 13:36

score 1 · Accepted Answer · answered Feb 06 '17 at 13:35

1

This is a very simplistic example. You'll still have to modify it to fit your needs, but if you have a UIBarButtonItem called button that you've added to your navigationBar, you should be able to do something like this, in viewDidLoad

button.action = #selector(showView)

Then you just need to create a function to be called.

func showView() {
    let myView = UIView()
    self.view.addSubview(myView)
}

Of course this has no animations, but again this is just to point you in the right direction.

answered Feb 06 '17 at 13:35

Benjamin Lowry

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Thanks! I will write an animation. How can I make it disappear by swiping from top to bottom? – Toma Feb 06 '17 at 13:37
Well, I'm not 100% sure, but I think using a pan gesture recognizer might work. – Benjamin Lowry Feb 06 '17 at 13:37
Yes, but how can I do this? – Toma Feb 06 '17 at 13:38
1

You can refer to [this answer](http://stackoverflow.com/questions/24215117/how-to-recognize-swipe-in-all-4-directions) for inspiration. Then just dismiss the VC in the selector parameter. – Benjamin Lowry Feb 06 '17 at 13:41
1

@user6603599 No problem :) – Benjamin Lowry Feb 06 '17 at 13:42
Value of type 'UITabBarItem' has no member 'action' – Toma Feb 08 '17 at 18:30
I noticed now that you have written "UIBarButtonItem". It's a UITabBarItem. – Toma Feb 08 '17 at 18:31

How to add a button to a Tab Bar Controller

1 Answers1