ESTabBarController | Swift model for customize UI | iOS library

Try to use custom tabBar and add your button in centre of tabBar Like This

If you want to use ESTabBarController follow the below steps.

Step 1: Download the sample project of ESTabBarController and install pod "ESTabBarController-swift" in your project

Step 2: Copy all the assets from sample project into your existing project

Step 3: Copy ExampleBasicContentView, ExampleBouncesContentView , ExampleIrregularityContentView, ExampleNavigationController Classes from sample project

NOTE - If you got error “No such module 'pop'” in “ExampleIrregularityBasicContentView” Then remove that line and remove func playMaskAnimation Or install pod pop

Step 4: In StoryBoard Embbed your viewController in navigationController and assign ExampleNavigationController class to your navigationController

Step 5: import ESTabBarController_swift and add UITabBarControllerDelegate in your AppDelegate class Add paste following code in your AppDelegate class

This is happening because you are presenting a new ExampleNavigationController that contains MainTableViewController on ViewWillAppear of MainTableViewController

To put it simply you are Recursively calling to present the MainTableViewController over and over again

What you can do here is

Firstly REMOVE this line form ViewWillAppear

Replace

I solved the problem by building my pods-projectname file separately

1. edit scheme
2. choose build from the list on the left
3. add pods-projectname
4. press close and then build for testing the pods-projectname file.

there has got to be something wrong with some other parts of your code. when i take your code and use it like this everything works as expected: