Refresh group tab titles on server changes

https://github.com/2dust/v2rayNG/issues/5765

V2rayNG/app/src/main/java/com/v2ray/ang/ui/GroupServerFragment.kt

@@ -226,6 +226,7 @@ class GroupServerFragment : BaseFragment<FragmentGroupServerBinding>(),
     private fun removeServerSub(guid: String, position: Int) {
         mainViewModel.removeServer(guid)
         adapter.removeServerSub(guid, position)
+        ownerActivity.refreshGroupTabTitles()
     }
 
     /**

V2rayNG/app/src/main/java/com/v2ray/ang/ui/MainActivity.kt

@@ -76,12 +76,33 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
         binding.viewPager.isUserInputEnabled = true
 
         // setup navigation drawer
+        setupNavigationDrawer()
+
+        binding.fab.setOnClickListener { handleFabAction() }
+        binding.layoutTest.setOnClickListener { handleLayoutTestClick() }
+
+        setupGroupTab()
+        setupViewModel()
+        SubscriptionUpdater.sync()
+        mainViewModel.reloadServerList()
+        refreshGroupTabTitles(true)
+
+        checkAndRequestPermission(PermissionType.POST_NOTIFICATIONS) {
+        }
+    }
+
+    private fun setupNavigationDrawer() {
         val toggle = ActionBarDrawerToggle(
-            this, binding.drawerLayout, binding.toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close
+            this,
+            binding.drawerLayout,
+            binding.toolbar,
+            R.string.navigation_drawer_open,
+            R.string.navigation_drawer_close
         )
         binding.drawerLayout.addDrawerListener(toggle)
         toggle.syncState()
         binding.navView.setNavigationItemSelectedListener(this)
+
         onBackPressedDispatcher.addCallback(this, object : OnBackPressedCallback(true) {
             override fun handleOnBackPressed() {
                 if (binding.drawerLayout.isDrawerOpen(GravityCompat.START)) {
@@ -93,17 +114,6 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                 }
             }
         })
-
-        binding.fab.setOnClickListener { handleFabAction() }
-        binding.layoutTest.setOnClickListener { handleLayoutTestClick() }
-
-        setupGroupTab()
-        setupViewModel()
-        SubscriptionUpdater.sync()
-        mainViewModel.reloadServerList()
-
-        checkAndRequestPermission(PermissionType.POST_NOTIFICATIONS) {
-        }
     }
 
     private fun setupViewModel() {
@@ -133,6 +143,25 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
         binding.tabGroup.isVisible = groups.size > 1
     }
 
+    fun refreshGroupTabTitles(refreshAll: Boolean = false) {
+        val groupsToRefresh = if (refreshAll || mainViewModel.subscriptionId.isEmpty()) {
+            groupPagerAdapter.groups
+        } else {
+            groupPagerAdapter.groups.filter { it.id == mainViewModel.subscriptionId }
+        }
+
+        groupsToRefresh.forEach { group ->
+            if (group.id.isEmpty()) {
+                return@forEach
+            }
+            val tabIndex = groupPagerAdapter.groups.indexOfFirst { it.id == group.id }
+            if (tabIndex >= 0) {
+                val count = MmkvManager.decodeServerList(group.id).size
+                binding.tabGroup.getTabAt(tabIndex)?.text = "${group.remarks} ($count)"
+            }
+        }
+    }
+
     private fun handleFabAction() {
         applyRunningState(isLoading = true, isRunning = false)
 
@@ -416,6 +445,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                         count > 0 -> {
                             toast(getString(R.string.title_import_config_count, count))
                             mainViewModel.reloadServerList()
+                            refreshGroupTabTitles()
                         }
 
                         countSub > 0 -> setupGroupTab()
@@ -471,6 +501,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                 }
                 if (result.configCount > 0) {
                     mainViewModel.reloadServerList()
+                    refreshGroupTabTitles()
                 }
                 hideLoading()
             }
@@ -500,6 +531,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                     val ret = mainViewModel.removeAllServer()
                     launch(Dispatchers.Main) {
                         mainViewModel.reloadServerList()
+                        refreshGroupTabTitles()
                         toast(getString(R.string.title_del_config_count, ret))
                         hideLoading()
                     }
@@ -519,6 +551,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                     val ret = mainViewModel.removeDuplicateServer()
                     launch(Dispatchers.Main) {
                         mainViewModel.reloadServerList()
+                        refreshGroupTabTitles()
                         toast(getString(R.string.title_del_duplicate_config_count, ret))
                         hideLoading()
                     }
@@ -538,6 +571,7 @@ class MainActivity : HelperBaseActivity(), NavigationView.OnNavigationItemSelect
                     val ret = mainViewModel.removeInvalidServer()
                     launch(Dispatchers.Main) {
                         mainViewModel.reloadServerList()
+                        refreshGroupTabTitles()
                         toast(getString(R.string.title_del_config_count, ret))
                         hideLoading()
                     }