// 在Activity/Fragment中
val tabLayout = findViewById<TabLayout>(R.id.tab_layout)
val viewPager = findViewById<ViewPager2>(R.id.view_pager)

// 创建适配器
val adapter = ViewPagerAdapter(this)
viewPager.adapter = adapter

// 绑定TabLayout和ViewPager
TabLayoutMediator(tabLayout, viewPager) { tab, position ->
    tab.text = "Tab ${position + 1}"
}.attach()

// 添加新选项卡
fun addTab(title: String, fragment: Fragment) {
    adapter.addFragment(fragment, title)
    adapter.notifyDataSetChanged()
    tabLayout.getTabAt(adapter.itemCount - 1)?.text = title
}

// 删除选项卡
fun removeTab(position: Int) {
    adapter.removeFragment(position)
    adapter.notifyDataSetChanged()
}

class ViewPagerAdapter(fragmentActivity: FragmentActivity) : FragmentStateAdapter(fragmentActivity) {
    private val fragments = mutableListOf<Fragment>()
    private val titles = mutableListOf<String>()

    fun addFragment(fragment: Fragment, title: String) {
        fragments.add(fragment)
        titles.add(title)
    }

    fun removeFragment(position: Int) {
        if (position < fragments.size) {
            fragments.removeAt(position)
            titles.removeAt(position)
        }
    }

    override fun getItemCount(): Int = fragments.size

    override fun createFragment(position: Int): Fragment = fragments[position]

    fun getTitle(position: Int): String = titles[position]
}

TabLayoutMediator(tabLayout, viewPager) { tab, position ->
    val customView = LayoutInflater.from(context).inflate(R.layout.custom_tab, null)
    customView.tabText.text = adapter.getTitle(position)
    tab.customView = customView
}.attach()

tab.icon = ContextCompat.getDrawable(context, if (hasNewContent) R.drawable.ic_new else R.drawable.ic_normal)

override fun onResume() {
    super.onResume()
    if (isVisibleToUser) {
        loadData()
    }
}