// Setup each tab.
override fun instantiateItem(container: ViewGroup, tabNumber: Int): Any {
// Get the current position of this WebView fragment.
- val webViewPosition = MainWebViewActivity.webViewPagerAdapter.getPositionForId(webViewFragmentId)
+ val webViewPosition = MainWebViewActivity.webViewPagerAdapter!!.getPositionForId(webViewFragmentId)
// Get the WebView tab fragment.
- val webViewTabFragment = MainWebViewActivity.webViewPagerAdapter.getPageFragment(webViewPosition)
+ val webViewTabFragment = MainWebViewActivity.webViewPagerAdapter!!.getPageFragment(webViewPosition)
// Get the WebView fragment view.
val webViewFragmentView = webViewTabFragment.requireView()