ViewPagerWeatherActivity.kt

 private fun initialize() {
        val fragmentList = arrayListOf<Fragment>(
            HourlyWeatherDetailFragment(), WeeklyWeatherDetailFragment()
        )
        val tabTitles = arrayListOf(
            "Hourly Weather", "Weekly Weather"
        )

        val adapter = ViewPagerWeatherAdapter(
            fragmentList,
            childFragmentManager,
            lifecycle
        )

        viewPager2.adapter = adapter
        TabLayoutMediator(tabLayout, viewPager2) { tab, position ->
            tab.text = tabTitles[position]
            viewPager2.setCurrentItem(tab.position, true)
        }.attach()
    }