AreJay-Smith

val MAP_FRAG_TAG = "mapFragTag"
val LIST_FRAG_TAG = "listFragTag"
    
fun manageFragmentTransaction(selectedFrag: String) {
    when (selectedFrag) {
        MAP_FRAG_TAG -> {
            if (fragmentManager?.findFragmentByTag(MAP_FRAG_TAG) != null) {
                //if the fragment exists, show it.
                fragmentManager?.beginTransaction()?.show(fragmentManager?.findFragmentByTag(MAP_FRAG_TAG))?.commit();
            } else {

AreJay-Smith

// Create new fragment (Either map or list fragment) and the transaction
val listFragment = ListFragment()
val transaction = fragmentManager!!.beginTransaction()

// Replace whatever is in the fragment_container view with this fragment,
// and add the transaction to the back stack if needed
transaction.replace(R.id.fragment_container, listFragment)
transaction.addToBackStack(null)

// Commit the transaction

AreJay-Smith

val fragment = Fragment()
val fragmentManager = fragmentManager
val fragmentTransaction = fragmentManager!!.beginTransaction()
fragmentTransaction.replace(R.id.fragment_container, fragment)
fragmentTransaction.addToBackStack(null)
fragmentTransaction.commit()