How can i reload/refresh the current tab in the UITabBarController in Swift?

Question

I have a UITabBarController with 2 tabs (map & tableView) like the image below.
the problem here i need by pressing the refresh button the tabBar refresh/reload the current tab if it is the map, so refresh the map, if it is the tableView, so refresh the tableView.
just like for the first time when the tabBar instantiate the first tab at the beginning of launching the tabBar.

//i need something like that
self.currentTab.reload()

You won't find a view controller refresh mechanism because there isn't one. And there doesn't need to be one because reloading an entire view controller just to reload certain components is not efficient. It's on you to reload the data and/or subviews that need reloading. — ctrl freak
– ctrl freak, Commented Jun 8, 2019 at 4:22
You may also want to apply the bottom safe area to that tab bar if that's not done on purpose. — ctrl freak
– ctrl freak, Commented Jun 8, 2019 at 4:25

BhargavR · Accepted Answer · 2019-06-08 05:10:32Z

1

Create a function which contains refresh related code for all the required components and whenever the reload button is clicked then call this function for current view controller. Initially call this function in viewDidLoad(). If every time you navigate to this view controller and you need refreshed data then call this function in viewWillAppear()

Hope this helps.

answered Jun 8, 2019 at 5:10

BhargavR

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GhostCoder77 Over a year ago

How about an example? How do you access the children viewcontrollers or fragments from the tab controller?

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