up 2.0.5

https://github.com/2dust/v2rayNG/issues/5186

V2rayNG/app/build.gradle.kts

@@ -12,8 +12,8 @@ android {
         applicationId = "com.v2ray.ang"
         minSdk = 24
         targetSdk = 36
-        versionCode = 704
+        versionCode = 705
-        versionName = "2.0.4"
+        versionName = "2.0.5"
         multiDexEnabled = true
 
         val abiFilterList = (properties["ABI_FILTERS"] as? String)?.split(';')

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/Hysteria2Fmt.kt

@@ -26,7 +26,7 @@ object Hysteria2Fmt : FmtBase() {
         val config = ProfileItem.create(EConfigType.HYSTERIA2)
 
         val uri = URI(Utils.fixIllegalUrl(str))
-        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { if (it.isEmpty()) "none" else it }
+        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { it.ifEmpty { "none" } }
         config.server = uri.idnHost
         config.serverPort = uri.port.toString()
         config.password = uri.userInfo

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/ShadowsocksFmt.kt

@@ -36,7 +36,7 @@ object ShadowsocksFmt : FmtBase() {
         if (uri.port <= 0) return null
         if (uri.userInfo.isNullOrEmpty()) return null
 
-        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { if (it.isEmpty()) "none" else it }
+        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { it.ifEmpty { "none" } }
         config.server = uri.idnHost
         config.serverPort = uri.port.toString()
 

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/SocksFmt.kt

@@ -23,7 +23,7 @@ object SocksFmt : FmtBase() {
         if (uri.idnHost.isEmpty()) return null
         if (uri.port <= 0) return null
 
-        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { if (it.isEmpty()) "none" else it }
+        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { it.ifEmpty { "none" } }
         config.server = uri.idnHost
         config.serverPort = uri.port.toString()
 

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/TrojanFmt.kt

@@ -23,7 +23,7 @@ object TrojanFmt : FmtBase() {
         val config = ProfileItem.create(EConfigType.TROJAN)
 
         val uri = URI(Utils.fixIllegalUrl(str))
-        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { if (it.isEmpty()) "none" else it }
+        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { it.ifEmpty { "none" } }
         config.server = uri.idnHost
         config.serverPort = uri.port.toString()
         config.password = uri.userInfo

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VlessFmt.kt

@@ -26,7 +26,7 @@ object VlessFmt : FmtBase() {
         if (uri.rawQuery.isNullOrEmpty()) return null
         val queryParam = getQueryParam(uri)
 
-        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { if (it.isEmpty()) "none" else it }
+        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { it.ifEmpty { "none" } }
         config.server = uri.idnHost
         config.serverPort = uri.port.toString()
         config.password = uri.userInfo

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VmessFmt.kt

@@ -163,7 +163,7 @@ object VmessFmt : FmtBase() {
         if (uri.rawQuery.isNullOrEmpty()) return null
         val queryParam = getQueryParam(uri)
 
-        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { if (it.isEmpty()) "none" else it }
+        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { it.ifEmpty { "none" } }
         config.server = uri.idnHost
         config.serverPort = uri.port.toString()
         config.password = uri.userInfo

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/WireguardFmt.kt

@@ -25,7 +25,7 @@ object WireguardFmt : FmtBase() {
         if (uri.rawQuery.isNullOrEmpty()) return null
         val queryParam = getQueryParam(uri)
 
-        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { if (it.isEmpty()) "none" else it }
+        config.remarks = Utils.urlDecode(uri.fragment.orEmpty()).let { it.ifEmpty { "none" } }
         config.server = uri.idnHost
         config.serverPort = uri.port.toString()
 

V2rayNG/app/src/main/java/com/v2ray/ang/handler/SettingsManager.kt

@@ -10,6 +10,7 @@ import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.AppConfig.GEOIP_PRIVATE
 import com.v2ray.ang.AppConfig.GEOSITE_PRIVATE
 import com.v2ray.ang.AppConfig.TAG_DIRECT
+import com.v2ray.ang.AppConfig.VPN
 import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.Language
 import com.v2ray.ang.dto.ProfileItem
@@ -386,6 +387,15 @@ object SettingsManager {
         return MmkvManager.decodeSettingsBool(AppConfig.PREF_USE_HEV_TUNNEL, true)
     }
 
+    /**
+     * Check if VPN mode is enabled.
+     * @return True if VPN mode is enabled, false otherwise.
+     */
+    fun isVpnMode(): Boolean {
+        val mode = MmkvManager.decodeSettingsString(AppConfig.PREF_MODE)
+        return mode == null || mode == VPN
+    }
+
     /**
      * Ensure default settings are present in MMKV.
      */

V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2RayServiceManager.kt

@@ -108,7 +108,7 @@ object V2RayServiceManager {
         } else {
             context.toast(R.string.toast_services_start)
         }
-        val intent = if ((MmkvManager.decodeSettingsString(AppConfig.PREF_MODE) ?: AppConfig.VPN) == AppConfig.VPN) {
+        val intent = if (SettingsManager.isVpnMode()) {
             Intent(context.applicationContext, V2RayVpnService::class.java)
         } else {
             Intent(context.applicationContext, V2RayProxyOnlyService::class.java)

V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt

@@ -91,7 +91,7 @@ object V2rayConfigManager {
     private fun getV2rayCustomConfig(context: Context, guid: String, config: ProfileItem): ConfigResult {
         val raw = MmkvManager.decodeServerRaw(guid) ?: return ConfigResult(false)
         val result = ConfigResult(true, guid, raw)
-        if (SettingsManager.isUsingHevTun()) {
+        if (!needTun()) {
             return result
         }
 
@@ -334,18 +334,18 @@ object V2rayConfigManager {
      */
     private fun initV2rayConfig(context: Context): V2rayConfig? {
         var assets = ""
-        if (SettingsManager.isUsingHevTun()) {
+        if (needTun()) {
-            assets = initConfigCache ?: Utils.readTextFromAssets(context, "v2ray_config.json")
-            if (TextUtils.isEmpty(assets)) {
-                return null
-            }
-            initConfigCache = assets
-        } else {
             assets = initConfigCacheWithTun ?: Utils.readTextFromAssets(context, "v2ray_config_with_tun.json")
             if (TextUtils.isEmpty(assets)) {
                 return null
             }
             initConfigCacheWithTun = assets
+        } else {
+            assets = initConfigCache ?: Utils.readTextFromAssets(context, "v2ray_config.json")
+            if (TextUtils.isEmpty(assets)) {
+                return null
+            }
+            initConfigCache = assets
         }
         val config = JsonUtil.fromJson(assets, V2rayConfig::class.java)
         return config
@@ -357,6 +357,10 @@ object V2rayConfigManager {
 
     //region some sub function
 
+    private fun needTun(): Boolean {
+        return SettingsManager.isVpnMode() && !SettingsManager.isUsingHevTun()
+    }
+
     /**
      * Configures the inbound settings for V2ray.
      *
@@ -395,7 +399,7 @@ object V2rayConfigManager {
                 v2rayConfig.inbounds.add(inbound2)
             }
 
-            if (!SettingsManager.isUsingHevTun()) {
+            if (needTun()) {
                 val inboundTun = v2rayConfig.inbounds.firstOrNull { e -> e.tag == "tun" }
                 inboundTun?.settings?.mtu = SettingsManager.getVpnMtu()
                 inboundTun?.sniffing = inbound1.sniffing
@@ -520,23 +524,25 @@ object V2rayConfigManager {
                 )
             }
 
-            if (SettingsManager.isUsingHevTun()) {
+            if(SettingsManager.isVpnMode()) {
-                //hev-socks5-tunnel dns routing
+                if (SettingsManager.isUsingHevTun()) {
-                v2rayConfig.routing.rules.add(
+                    //hev-socks5-tunnel dns routing
-                    0, RulesBean(
+                    v2rayConfig.routing.rules.add(
-                        inboundTag = arrayListOf("socks"),
+                        0, RulesBean(
-                        outboundTag = "dns-out",
+                            inboundTag = arrayListOf("socks"),
-                        port = "53",
+                            outboundTag = "dns-out",
+                            port = "53",
+                        )
                     )
-                )
+                } else {
-            } else {
+                    v2rayConfig.routing.rules.add(
-                v2rayConfig.routing.rules.add(
+                        0, RulesBean(
-                    0, RulesBean(
+                            inboundTag = arrayListOf("tun"),
-                        inboundTag = arrayListOf("tun"),
+                            outboundTag = "dns-out",
-                        outboundTag = "dns-out",
+                            port = "53",
-                        port = "53",
+                        )
                     )
-                )
+                }
             }
 
             // DNS outbound

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

@@ -8,8 +8,9 @@ interface BaseAdapterListener {
     /**
      * Request the host to edit the specified item.
      * @param guid Unique identifier (GUID) of the item
+     * @param position Current position in the adapter (optional; host should validate it)
      */
-    fun onEdit(guid: String)
+    fun onEdit(guid: String, position: Int)
 
     /**
      * Request the host to remove the specified item. Position is provided for optional animation or validation.

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

@@ -11,6 +11,8 @@ import com.v2ray.ang.dto.GroupMapItem
 class GroupPagerAdapter(activity: FragmentActivity, var groups: List<GroupMapItem>) : FragmentStateAdapter(activity) {
     override fun getItemCount(): Int = groups.size
     override fun createFragment(position: Int) = GroupServerFragment.newInstance(groups[position].id)
+    override fun getItemId(position: Int): Long = groups[position].id.hashCode().toLong()
+    override fun containsItem(itemId: Long): Boolean = groups.any { it.id.hashCode().toLong() == itemId }
 
     @SuppressLint("NotifyDataSetChanged")
     fun update(groups: List<GroupMapItem>) {

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

@@ -1,7 +1,6 @@
 package com.v2ray.ang.ui
 
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -9,7 +8,6 @@ import androidx.fragment.app.activityViewModels
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.ItemTouchHelper
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.TAG
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.FragmentGroupServerBinding
 import com.v2ray.ang.handler.MmkvManager
@@ -51,14 +49,14 @@ class GroupServerFragment : BaseFragment<FragmentGroupServerBinding>() {
             if (mainViewModel.subscriptionId != subId) {
                 return@observe
             }
-            Log.d(TAG, "GroupServerFragment updateListAction subId=$subId")
+            // Log.d(TAG, "GroupServerFragment updateListAction subId=$subId")
             adapter.setData(mainViewModel.serversCache, index)
         }
         mainViewModel.isRunning.observe(viewLifecycleOwner) { isRunning ->
             adapter.isRunning = isRunning
         }
 
-        Log.d(TAG, "GroupServerFragment onViewCreated: subId=$subId")
+        // Log.d(TAG, "GroupServerFragment onViewCreated: subId=$subId")
     }
 
     override fun onResume() {

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

@@ -2,37 +2,34 @@ package com.v2ray.ang.ui
 
 import android.annotation.SuppressLint
 import android.os.Bundle
-import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
+import androidx.activity.viewModels
 import androidx.appcompat.widget.SearchView
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityLogcatBinding
+import com.v2ray.ang.extension.toast
 import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.util.Utils
+import com.v2ray.ang.viewmodel.LogcatViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
-import java.io.IOException
-
 
 class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
     private val binding by lazy { ActivityLogcatBinding.inflate(layoutInflater) }
-
+    private val viewModel: LogcatViewModel by viewModels()
-    private var logsetsAll: MutableList<String> = mutableListOf()
+    private lateinit var adapter: LogcatRecyclerAdapter
-    var logsets: MutableList<String> = mutableListOf()
-    private val adapter by lazy { LogcatRecyclerAdapter(this) }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        //setContentView(binding.root)
         setContentViewWithToolbar(binding.root, showHomeAsUp = true, title = getString(R.string.title_logcat))
 
+        adapter = LogcatRecyclerAdapter(viewModel, ::onLogLongClick)
+
         binding.recyclerView.setHasFixedSize(true)
         binding.recyclerView.layoutManager = LinearLayoutManager(this)
         addCustomDividerToRecyclerView(binding.recyclerView, this, R.drawable.custom_divider)
@@ -40,58 +37,12 @@ class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
 
         binding.refreshLayout.setOnRefreshListener(this)
 
-        logsets.add(getString(R.string.pull_down_to_refresh))
+        toast(getString(R.string.pull_down_to_refresh))
     }
 
-    private fun getLogcat() {
+    private fun onLogLongClick(log: String): Boolean {
-
+        Utils.setClipboard(this, log)
-        try {
+        return true
-            binding.refreshLayout.isRefreshing = true
-
-            lifecycleScope.launch(Dispatchers.Default) {
-                val lst = LinkedHashSet<String>()
-                lst.add("logcat")
-                lst.add("-d")
-                lst.add("-v")
-                lst.add("time")
-                lst.add("-s")
-                lst.add("GoLog,${ANG_PACKAGE},AndroidRuntime,System.err")
-                val process = withContext(Dispatchers.IO) {
-                    Runtime.getRuntime().exec(lst.toTypedArray())
-                }
-
-                val allText = process.inputStream.bufferedReader().use { it.readLines() }.reversed()
-                launch(Dispatchers.Main) {
-                    logsetsAll = allText.toMutableList()
-                    logsets = allText.toMutableList()
-                    refreshData()
-                    binding.refreshLayout.isRefreshing = false
-                }
-            }
-        } catch (e: IOException) {
-            Log.e(AppConfig.TAG, "Failed to get logcat", e)
-        }
-    }
-
-    private fun clearLogcat() {
-        try {
-            lifecycleScope.launch(Dispatchers.Default) {
-                val lst = LinkedHashSet<String>()
-                lst.add("logcat")
-                lst.add("-c")
-                withContext(Dispatchers.IO) {
-                    val process = Runtime.getRuntime().exec(lst.toTypedArray())
-                    process.waitFor()
-                }
-                launch(Dispatchers.Main) {
-                    logsetsAll.clear()
-                    logsets.clear()
-                    refreshData()
-                }
-            }
-        } catch (e: IOException) {
-            Log.e(AppConfig.TAG, "Failed to clear logcat", e)
-        }
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -104,12 +55,14 @@ class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
                 override fun onQueryTextSubmit(query: String?): Boolean = false
 
                 override fun onQueryTextChange(newText: String?): Boolean {
-                    filterLogs(newText)
+                    viewModel.filter(newText)
+                    refreshData()
                     return false
                 }
             })
             searchView.setOnCloseListener {
-                filterLogs("")
+                viewModel.filter("")
+                refreshData()
                 false
             }
         }
@@ -119,33 +72,33 @@ class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
 
     override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
         R.id.copy_all -> {
-            Utils.setClipboard(this, logsets.joinToString("\n"))
+            val all = viewModel.getAll().joinToString("\n")
+            Utils.setClipboard(this, all)
             toastSuccess(R.string.toast_success)
             true
         }
 
         R.id.clear_all -> {
-            clearLogcat()
+            lifecycleScope.launch(Dispatchers.IO) {
+                viewModel.clearLogcat()
+                withContext(Dispatchers.Main) {
+                    refreshData()
+                }
+            }
             true
         }
 
         else -> super.onOptionsItemSelected(item)
     }
 
-    private fun filterLogs(content: String?): Boolean {
-        val key = content?.trim()
-        logsets = if (key.isNullOrEmpty()) {
-            logsetsAll.toMutableList()
-        } else {
-            logsetsAll.filter { it.contains(key) }.toMutableList()
-        }
-
-        refreshData()
-        return true
-    }
-
     override fun onRefresh() {
-        getLogcat()
+        lifecycleScope.launch(Dispatchers.IO) {
+            viewModel.loadLogcat()
+            withContext(Dispatchers.Main) {
+                binding.refreshLayout.isRefreshing = false
+                refreshData()
+            }
+        }
     }
 
     @SuppressLint("NotifyDataSetChanged")

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

@@ -6,17 +6,20 @@ import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.databinding.ItemRecyclerLogcatBinding
-import com.v2ray.ang.util.Utils
+import com.v2ray.ang.viewmodel.LogcatViewModel
 
-class LogcatRecyclerAdapter(val activity: LogcatActivity) : RecyclerView.Adapter<LogcatRecyclerAdapter.MainViewHolder>() {
+class LogcatRecyclerAdapter(
-    private var mActivity: LogcatActivity = activity
+    private val viewModel: LogcatViewModel,
+    private val onLongClick: ((String) -> Boolean)? = null
+) : RecyclerView.Adapter<LogcatRecyclerAdapter.MainViewHolder>() {
 
-
+    override fun getItemCount() = viewModel.getAll().size
-    override fun getItemCount() = mActivity.logsets.size
 
     override fun onBindViewHolder(holder: MainViewHolder, position: Int) {
         try {
-            val log = mActivity.logsets[position]
+            val logs = viewModel.getAll()
+            val log = logs[position]
+
             if (log.isEmpty()) {
                 holder.itemSubSettingBinding.logTag.text = ""
                 holder.itemSubSettingBinding.logContent.text = ""
@@ -27,8 +30,7 @@ class LogcatRecyclerAdapter(val activity: LogcatActivity) : RecyclerView.Adapter
             }
 
             holder.itemView.setOnLongClickListener {
-                Utils.setClipboard(mActivity, log)
+                onLongClick?.invoke(log) ?: false
-                true
             }
         } catch (e: Exception) {
             Log.e(AppConfig.TAG, "Error binding log view data", e)

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

@@ -25,7 +25,6 @@ import androidx.lifecycle.lifecycleScope
 import com.google.android.material.navigation.NavigationView
 import com.google.android.material.tabs.TabLayoutMediator
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.VPN
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityMainBinding
 import com.v2ray.ang.dto.EConfigType
@@ -34,6 +33,7 @@ import com.v2ray.ang.extension.toastError
 import com.v2ray.ang.handler.AngConfigManager
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsChangeManager
+import com.v2ray.ang.handler.SettingsManager
 import com.v2ray.ang.handler.V2RayServiceManager
 import com.v2ray.ang.util.Utils
 import com.v2ray.ang.viewmodel.MainViewModel
@@ -188,7 +188,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
 
         if (mainViewModel.isRunning.value == true) {
             V2RayServiceManager.stopVService(this)
-        } else if ((MmkvManager.decodeSettingsString(AppConfig.PREF_MODE) ?: VPN) == VPN) {
+        } else if (SettingsManager.isVpnMode()) {
             val intent = VpnService.prepare(this)
             if (intent == null) {
                 startV2Ray()

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

@@ -31,7 +31,8 @@ import kotlinx.coroutines.withContext
 
 class RoutingSettingActivity : BaseActivity() {
     private val binding by lazy { ActivityRoutingSettingBinding.inflate(layoutInflater) }
-
+    private val ownerActivity: RoutingSettingActivity
+        get() = this
     private val viewModel: RoutingSettingsViewModel by viewModels()
     private lateinit var adapter: RoutingSettingRecyclerAdapter
     private var mItemTouchHelper: ItemTouchHelper? = null
@@ -57,7 +58,7 @@ class RoutingSettingActivity : BaseActivity() {
         //setContentView(binding.root)
         setContentViewWithToolbar(binding.root, showHomeAsUp = true, title = getString(R.string.routing_settings_title))
 
-        adapter = RoutingSettingRecyclerAdapter(this, viewModel)
+        adapter = RoutingSettingRecyclerAdapter(viewModel, ActivityAdapterListener())
 
         binding.recyclerView.setHasFixedSize(true)
         binding.recyclerView.layoutManager = LinearLayoutManager(this)
@@ -202,4 +203,23 @@ class RoutingSettingActivity : BaseActivity() {
         viewModel.reload()
         adapter.notifyDataSetChanged()
     }
+
+    private inner class ActivityAdapterListener : BaseAdapterListener {
+        override fun onEdit(guid: String, position: Int) {
+            startActivity(
+                Intent(ownerActivity, RoutingEditActivity::class.java)
+                    .putExtra("position", position)
+            )
+        }
+
+        override fun onRemove(guid: String, position: Int) {
+        }
+
+        override fun onShare(url: String) {
+        }
+
+        override fun onRefreshData() {
+            refreshData()
+        }
+    }
 }

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

@@ -1,6 +1,5 @@
 package com.v2ray.ang.ui
 
-import android.content.Intent
 import android.graphics.Color
 import android.view.LayoutInflater
 import android.view.View
@@ -13,12 +12,11 @@ import com.v2ray.ang.helper.ItemTouchHelperViewHolder
 import com.v2ray.ang.viewmodel.RoutingSettingsViewModel
 
 class RoutingSettingRecyclerAdapter(
-    val activity: RoutingSettingActivity,
+    private val viewModel: RoutingSettingsViewModel,
-    private val viewModel: RoutingSettingsViewModel
+    private val adapterListener: BaseAdapterListener?
 ) : RecyclerView.Adapter<RoutingSettingRecyclerAdapter.MainViewHolder>(),
     ItemTouchHelperAdapter {
 
-    private var mActivity: RoutingSettingActivity = activity
     override fun getItemCount() = viewModel.getAll().size
 
     override fun onBindViewHolder(holder: MainViewHolder, position: Int) {
@@ -33,10 +31,7 @@ class RoutingSettingRecyclerAdapter(
         holder.itemView.setBackgroundColor(Color.TRANSPARENT)
 
         holder.itemRoutingSettingBinding.layoutEdit.setOnClickListener {
-            mActivity.startActivity(
+            adapterListener?.onEdit("", position)
-                Intent(mActivity, RoutingEditActivity::class.java)
-                    .putExtra("position", position)
-            )
         }
 
         holder.itemRoutingSettingBinding.chkEnable.setOnCheckedChangeListener { it, isChecked ->
@@ -76,7 +71,7 @@ class RoutingSettingRecyclerAdapter(
     }
 
     override fun onItemMoveCompleted() {
-        mActivity.refreshData()
+        adapterListener?.onRefreshData()
     }
 
     override fun onItemDismiss(position: Int) {

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

@@ -52,6 +52,10 @@ class SettingsActivity : BaseActivity() {
         private val autoUpdateInterval by lazy { findPreference<EditTextPreference>(AppConfig.SUBSCRIPTION_AUTO_UPDATE_INTERVAL) }
         private val mode by lazy { findPreference<ListPreference>(AppConfig.PREF_MODE) }
 
+        private val hevTunLogLevel by lazy { findPreference<ListPreference>(AppConfig.PREF_HEV_TUNNEL_LOGLEVEL) }
+        private val hevTunRwTimeout by lazy { findPreference<EditTextPreference>(AppConfig.PREF_HEV_TUNNEL_RW_TIMEOUT) }
+        private val useHevTun by lazy { findPreference<CheckBoxPreference>(AppConfig.PREF_USE_HEV_TUNNEL) }
+
         override fun onCreatePreferences(bundle: Bundle?, s: String?) {
             // Use MMKV as the storage backend for all Preferences
             // This prevents inconsistencies between SharedPreferences and MMKV
@@ -93,12 +97,21 @@ class SettingsActivity : BaseActivity() {
                 }
                 true
             }
-            mode?.setOnPreferenceChangeListener { _, newValue ->
+            mode?.setOnPreferenceChangeListener { pref, newValue ->
-                updateMode(newValue.toString())
+                val valueStr = newValue.toString()
+                (pref as? ListPreference)?.let { lp ->
+                    val idx = lp.findIndexOfValue(valueStr)
+                    lp.summary = if (idx >= 0) lp.entries[idx] else valueStr
+                }
+                updateMode(valueStr)
                 true
             }
             mode?.dialogLayoutResource = R.layout.preference_with_help_link
 
+            useHevTun?.setOnPreferenceChangeListener { _, newValue ->
+                updateHevTunSettings(newValue as Boolean)
+                true
+            }
         }
 
         private fun initPreferenceSummaries() {
@@ -141,6 +154,8 @@ class SettingsActivity : BaseActivity() {
 
         override fun onStart() {
             super.onStart()
+            updateHevTunSettings(MmkvManager.decodeSettingsBool(AppConfig.PREF_USE_HEV_TUNNEL, true))
+
             // Initialize mode-dependent UI states
             updateMode(MmkvManager.decodeSettingsString(AppConfig.PREF_MODE, VPN))
 
@@ -152,11 +167,10 @@ class SettingsActivity : BaseActivity() {
 
             // Initialize auto-update interval state
             autoUpdateInterval?.isEnabled = MmkvManager.decodeSettingsBool(AppConfig.SUBSCRIPTION_AUTO_UPDATE, false)
-
         }
 
-        private fun updateMode(mode: String?) {
+        private fun updateMode(value: String?) {
-            val vpn = mode == VPN
+            val vpn = value == VPN
             localDns?.isEnabled = vpn
             fakeDns?.isEnabled = vpn
             appendHttpProxy?.isEnabled = vpn
@@ -165,6 +179,8 @@ class SettingsActivity : BaseActivity() {
             vpnBypassLan?.isEnabled = vpn
             vpnInterfaceAddress?.isEnabled = vpn
             vpnMtu?.isEnabled = vpn
+            useHevTun?.isEnabled = vpn
+            updateHevTunSettings(false)
             if (vpn) {
                 updateLocalDns(
                     MmkvManager.decodeSettingsBool(
@@ -172,6 +188,12 @@ class SettingsActivity : BaseActivity() {
                         false
                     )
                 )
+                updateHevTunSettings(
+                    MmkvManager.decodeSettingsBool(
+                        AppConfig.PREF_USE_HEV_TUNNEL,
+                        false
+                    )
+                )
             }
         }
 
@@ -235,6 +257,11 @@ class SettingsActivity : BaseActivity() {
             fragmentLength?.isEnabled = enabled
             fragmentInterval?.isEnabled = enabled
         }
+
+        private fun updateHevTunSettings(enabled: Boolean) {
+            hevTunLogLevel?.isEnabled = enabled
+            hevTunRwTimeout?.isEnabled = enabled
+        }
     }
 
     fun onModeHelpClicked(view: View) {

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

@@ -103,7 +103,7 @@ class SubSettingActivity : BaseActivity() {
     }
 
     private inner class ActivityAdapterListener : BaseAdapterListener {
-        override fun onEdit(guid: String) {
+        override fun onEdit(guid: String, position: Int) {
             startActivity(
                 Intent(ownerActivity, SubEditActivity::class.java)
                     .putExtra("subId", guid)

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

@@ -30,7 +30,7 @@ class SubSettingRecyclerAdapter(
         holder.itemView.setBackgroundColor(Color.TRANSPARENT)
 
         holder.itemSubSettingBinding.layoutEdit.setOnClickListener {
-            adapterListener?.onEdit(subId)
+            adapterListener?.onEdit(subId, position)
         }
 
         holder.itemSubSettingBinding.layoutRemove.setOnClickListener {

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

@@ -9,44 +9,36 @@ import android.os.Build
 import android.os.Bundle
 import android.provider.OpenableColumns
 import android.util.Log
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuItem
-import android.view.View.GONE
-import android.view.View.VISIBLE
-import android.view.ViewGroup
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.activity.viewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityUserAssetBinding
-import com.v2ray.ang.databinding.ItemRecyclerUserAssetBinding
 import com.v2ray.ang.dto.AssetUrlItem
-import com.v2ray.ang.extension.concatUrl
-import com.v2ray.ang.extension.toTrafficString
 import com.v2ray.ang.extension.toast
 import com.v2ray.ang.extension.toastError
 import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsManager
-import com.v2ray.ang.util.HttpUtil
 import com.v2ray.ang.util.Utils
+import com.v2ray.ang.viewmodel.UserAssetViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.File
-import java.io.FileOutputStream
-import java.net.HttpURLConnection
-import java.text.DateFormat
-import java.util.Date
 
 class UserAssetActivity : BaseActivity() {
     private val binding by lazy { ActivityUserAssetBinding.inflate(layoutInflater) }
+    private val ownerActivity: UserAssetActivity
+        get() = this
+    private val viewModel: UserAssetViewModel by viewModels()
+    private lateinit var adapter: UserAssetAdapter
 
     val extDir by lazy { File(Utils.userAssetPath(this)) }
-    val builtInGeoFiles = arrayOf("geosite.dat", "geoip.dat")
 
     private val requestStoragePermissionLauncher = registerForActivityResult(
         ActivityResultContracts.RequestPermission()
@@ -83,13 +75,13 @@ class UserAssetActivity : BaseActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        //setContentView(binding.root)
         setContentViewWithToolbar(binding.root, showHomeAsUp = true, title = getString(R.string.title_user_asset_setting))
 
         binding.recyclerView.setHasFixedSize(true)
         binding.recyclerView.layoutManager = LinearLayoutManager(this)
         addCustomDividerToRecyclerView(binding.recyclerView, this, R.drawable.custom_divider)
-        binding.recyclerView.adapter = UserAssetAdapter()
+        adapter = UserAssetAdapter(viewModel, extDir, ActivityAdapterListener())
+        binding.recyclerView.adapter = adapter
 
         binding.tvGeoFilesSourcesSummary.text = getGeoFilesSources()
         binding.layoutGeoFilesSources.setOnClickListener {
@@ -219,81 +211,25 @@ class UserAssetActivity : BaseActivity() {
     }
 
     private fun downloadGeoFiles() {
+        refreshData()
         showLoading()
         toast(R.string.msg_downloading_content)
 
         val httpPort = SettingsManager.getHttpPort()
-        var assets = MmkvManager.decodeAssetUrls()
-        assets = addBuiltInGeoItems(assets)
-
-        var resultCount = 0
         lifecycleScope.launch(Dispatchers.IO) {
-            assets.forEach {
+            val result = viewModel.downloadGeoFiles(extDir, httpPort)
-                try {
-                    var result = downloadGeo(it.second, 15000, httpPort)
-                    if (!result) {
-                        result = downloadGeo(it.second, 15000, 0)
-                    }
-                    if (result)
-                        resultCount++
-                } catch (e: Exception) {
-                    Log.e(AppConfig.TAG, "Failed to download geo file: ${it.second.remarks}", e)
-                }
-            }
             withContext(Dispatchers.Main) {
-                if (resultCount > 0) {
+                if (result.successCount > 0) {
-                    toast(getString(R.string.title_update_config_count, resultCount))
+                    toast(getString(R.string.title_update_config_count, result.successCount))
-                    refreshData()
                 } else {
                     toast(getString(R.string.toast_failure))
                 }
+                refreshData()
                 hideLoading()
             }
         }
     }
 
-    private fun downloadGeo(item: AssetUrlItem, timeout: Int, httpPort: Int): Boolean {
-        val targetTemp = File(extDir, item.remarks + "_temp")
-        val target = File(extDir, item.remarks)
-        Log.i(AppConfig.TAG, "Downloading geo file: ${item.remarks} from ${item.url}")
-
-        val conn = HttpUtil.createProxyConnection(item.url, httpPort, timeout, timeout, needStream = true) ?: return false
-        try {
-            val inputStream = conn.inputStream
-            val responseCode = conn.responseCode
-            if (responseCode == HttpURLConnection.HTTP_OK) {
-                FileOutputStream(targetTemp).use { output ->
-                    inputStream.copyTo(output)
-                }
-
-                targetTemp.renameTo(target)
-            }
-            return true
-        } catch (e: Exception) {
-            Log.e(AppConfig.TAG, "Failed to download geo file: ${item.remarks}", e)
-            return false
-        } finally {
-            conn.disconnect()
-        }
-    }
-
-    private fun addBuiltInGeoItems(assets: List<Pair<String, AssetUrlItem>>): List<Pair<String, AssetUrlItem>> {
-        val list = mutableListOf<Pair<String, AssetUrlItem>>()
-        builtInGeoFiles
-            .filter { geoFile -> assets.none { it.second.remarks == geoFile } }
-            .forEach {
-                list.add(
-                    Utils.getUuid() to AssetUrlItem(
-                        it,
-                        String.format(AppConfig.GITHUB_DOWNLOAD_URL, getGeoFilesSources()).concatUrl(it),
-                        locked = true
-                    )
-                )
-            }
-
-        return list + assets
-    }
-
     fun initAssets() {
         lifecycleScope.launch(Dispatchers.Default) {
             SettingsManager.initAssets(this@UserAssetActivity, assets)
@@ -305,72 +241,41 @@ class UserAssetActivity : BaseActivity() {
 
     @SuppressLint("NotifyDataSetChanged")
     fun refreshData() {
-        binding.recyclerView.adapter?.notifyDataSetChanged()
+        viewModel.reload(getGeoFilesSources())
+        adapter.notifyDataSetChanged()
     }
 
-    inner class UserAssetAdapter : RecyclerView.Adapter<UserAssetViewHolder>() {
+    private inner class ActivityAdapterListener : BaseAdapterListener {
-        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): UserAssetViewHolder {
+        override fun onEdit(guid: String, position: Int) {
-            return UserAssetViewHolder(
+            startActivity(
-                ItemRecyclerUserAssetBinding.inflate(
+                Intent(ownerActivity, UserAssetUrlActivity::class.java)
-                    LayoutInflater.from(parent.context),
+                    .putExtra("assetId", guid)
-                    parent,
-                    false
-                )
             )
         }
 
-        @SuppressLint("SetTextI18n")
+        override fun onRemove(guid: String, position: Int) {
-        override fun onBindViewHolder(holder: UserAssetViewHolder, position: Int) {
+            val asset = viewModel.getAsset(position)?.takeIf { it.first == guid }
-            var assets = MmkvManager.decodeAssetUrls()
+                ?: viewModel.getAssets().find { it.first == guid }
-            assets = addBuiltInGeoItems(assets)
+                ?: return
-            val item = assets.getOrNull(position) ?: return
+            val file = extDir.listFiles()?.find { it.name == asset.second.remarks }
-//            file with name == item.second.remarks
-            val file = extDir.listFiles()?.find { it.name == item.second.remarks }
 
-            holder.itemUserAssetBinding.assetName.text = item.second.remarks
+            AlertDialog.Builder(ownerActivity).setMessage(R.string.del_config_comfirm)
-
+                .setPositiveButton(android.R.string.ok) { _, _ ->
-            if (file != null) {
+                    file?.delete()
-                val dateFormat = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM)
+                    MmkvManager.removeAssetUrl(guid)
-                holder.itemUserAssetBinding.assetProperties.text =
+                    initAssets()
-                    "${file.length().toTrafficString()}  •  ${dateFormat.format(Date(file.lastModified()))}"
+                }
-            } else {
+                .setNegativeButton(android.R.string.cancel) { _, _ ->
-                holder.itemUserAssetBinding.assetProperties.text = getString(R.string.msg_file_not_found)
+                    // do nothing
-            }
+                }
-
+                .show()
-            if (item.second.locked == true) {
-                holder.itemUserAssetBinding.layoutEdit.visibility = GONE
-                //holder.itemUserAssetBinding.layoutRemove.visibility = GONE
-            } else {
-                holder.itemUserAssetBinding.layoutEdit.visibility = item.second.url.let { if (it == "file") GONE else VISIBLE }
-                //holder.itemUserAssetBinding.layoutRemove.visibility = VISIBLE
-            }
-
-            holder.itemUserAssetBinding.layoutEdit.setOnClickListener {
-                val intent = Intent(this@UserAssetActivity, UserAssetUrlActivity::class.java)
-                intent.putExtra("assetId", item.first)
-                startActivity(intent)
-            }
-            holder.itemUserAssetBinding.layoutRemove.setOnClickListener {
-                AlertDialog.Builder(this@UserAssetActivity).setMessage(R.string.del_config_comfirm)
-                    .setPositiveButton(android.R.string.ok) { _, _ ->
-                        file?.delete()
-                        MmkvManager.removeAssetUrl(item.first)
-                        initAssets()
-                    }
-                    .setNegativeButton(android.R.string.cancel) { _, _ ->
-                        //do noting
-                    }
-                    .show()
-            }
         }
 
-        override fun getItemCount(): Int {
+        override fun onShare(url: String) {
-            var assets = MmkvManager.decodeAssetUrls()
+        }
-            assets = addBuiltInGeoItems(assets)
+
-            return assets.size
+        override fun onRefreshData() {
+            refreshData()
         }
     }
-
-    class UserAssetViewHolder(val itemUserAssetBinding: ItemRecyclerUserAssetBinding) :
-        RecyclerView.ViewHolder(itemUserAssetBinding.root)
 }

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

@@ -0,0 +1,70 @@
+package com.v2ray.ang.ui
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.v2ray.ang.R
+import com.v2ray.ang.databinding.ItemRecyclerUserAssetBinding
+import com.v2ray.ang.extension.toTrafficString
+import com.v2ray.ang.viewmodel.UserAssetViewModel
+import java.io.File
+import java.text.DateFormat
+import java.util.Date
+
+class UserAssetAdapter(
+    private val viewModel: UserAssetViewModel,
+    private val extDir: File,
+    private val adapterListener: BaseAdapterListener?
+) : RecyclerView.Adapter<UserAssetAdapter.UserAssetViewHolder>() {
+
+    override fun getItemCount() = viewModel.itemCount
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): UserAssetViewHolder {
+        return UserAssetViewHolder(
+            ItemRecyclerUserAssetBinding.inflate(
+                LayoutInflater.from(parent.context),
+                parent,
+                false
+            )
+        )
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: UserAssetViewHolder, position: Int) {
+        val item = viewModel.getAsset(position) ?: return
+        val file = extDir.listFiles()?.find { it.name == item.second.remarks }
+
+        holder.itemUserAssetBinding.assetName.text = item.second.remarks
+
+        if (file != null) {
+            val dateFormat = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM)
+            holder.itemUserAssetBinding.assetProperties.text =
+                "${file.length().toTrafficString()}  •  ${dateFormat.format(Date(file.lastModified()))}"
+        } else {
+            holder.itemUserAssetBinding.assetProperties.text =
+                holder.itemUserAssetBinding.root.context.getString(R.string.msg_file_not_found)
+        }
+
+        if (item.second.locked == true) {
+            holder.itemUserAssetBinding.layoutEdit.visibility = View.GONE
+        } else {
+            holder.itemUserAssetBinding.layoutEdit.visibility = if (item.second.url == "file") {
+                View.GONE
+            } else {
+                View.VISIBLE
+            }
+        }
+
+        holder.itemUserAssetBinding.layoutEdit.setOnClickListener {
+            adapterListener?.onEdit(item.first, position)
+        }
+        holder.itemUserAssetBinding.layoutRemove.setOnClickListener {
+            adapterListener?.onRemove(item.first, position)
+        }
+    }
+
+    class UserAssetViewHolder(val itemUserAssetBinding: ItemRecyclerUserAssetBinding) :
+        RecyclerView.ViewHolder(itemUserAssetBinding.root)
+}

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/LogcatViewModel.kt

@@ -0,0 +1,62 @@
+package com.v2ray.ang.viewmodel
+
+import androidx.lifecycle.ViewModel
+import com.v2ray.ang.AppConfig
+import com.v2ray.ang.AppConfig.ANG_PACKAGE
+import java.io.IOException
+
+class LogcatViewModel : ViewModel() {
+    private val logsetsAll: MutableList<String> = mutableListOf()
+    private var filteredLogs: List<String> = emptyList()
+    private var currentFilter: String = ""
+
+    fun getAll(): List<String> = filteredLogs
+
+    fun loadLogcat() {
+        try {
+            val lst = LinkedHashSet<String>()
+            lst.add("logcat")
+            lst.add("-d")
+            lst.add("-v")
+            lst.add("time")
+            lst.add("-s")
+            lst.add("GoLog,${ANG_PACKAGE},AndroidRuntime,System.err")
+            val process = Runtime.getRuntime().exec(lst.toTypedArray())
+            val allText = process.inputStream.bufferedReader().use { it.readLines() }.reversed()
+
+            logsetsAll.clear()
+            logsetsAll.addAll(allText)
+            applyFilter()
+        } catch (e: IOException) {
+            android.util.Log.e(AppConfig.TAG, "Failed to get logcat", e)
+        }
+    }
+
+    fun clearLogcat() {
+        try {
+            val lst = LinkedHashSet<String>()
+            lst.add("logcat")
+            lst.add("-c")
+            val process = Runtime.getRuntime().exec(lst.toTypedArray())
+            process.waitFor()
+
+            logsetsAll.clear()
+            filteredLogs = emptyList()
+        } catch (e: IOException) {
+            android.util.Log.e(AppConfig.TAG, "Failed to clear logcat", e)
+        }
+    }
+
+    fun filter(content: String?) {
+        currentFilter = content?.trim() ?: ""
+        applyFilter()
+    }
+
+    private fun applyFilter() {
+        filteredLogs = if (currentFilter.isEmpty()) {
+            logsetsAll.toList()
+        } else {
+            logsetsAll.filter { it.contains(currentFilter) }
+        }
+    }
+}

V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/UserAssetViewModel.kt

@@ -0,0 +1,94 @@
+package com.v2ray.ang.viewmodel
+
+import android.util.Log
+import androidx.lifecycle.ViewModel
+import com.v2ray.ang.AppConfig
+import com.v2ray.ang.dto.AssetUrlItem
+import com.v2ray.ang.extension.concatUrl
+import com.v2ray.ang.handler.MmkvManager
+import com.v2ray.ang.util.HttpUtil
+import com.v2ray.ang.util.Utils
+import java.io.File
+import java.io.FileOutputStream
+import java.net.HttpURLConnection
+
+class UserAssetViewModel : ViewModel() {
+    private val assets = mutableListOf<Pair<String, AssetUrlItem>>()
+    private val builtInGeoFiles = listOf("geosite.dat", "geoip.dat")
+
+    val itemCount: Int
+        get() = assets.size
+
+    fun getAssets(): List<Pair<String, AssetUrlItem>> = assets.toList()
+
+    fun getAsset(position: Int): Pair<String, AssetUrlItem>? = assets.getOrNull(position)
+
+    fun reload(geoFilesSource: String) {
+        val decoded = MmkvManager.decodeAssetUrls()
+        assets.clear()
+        assets.addAll(buildAssetList(decoded, geoFilesSource))
+    }
+
+    private fun buildAssetList(
+        decodedAssets: List<Pair<String, AssetUrlItem>>?,
+        geoFilesSource: String
+    ): List<Pair<String, AssetUrlItem>> {
+        val savedAssets = decodedAssets ?: emptyList()
+        val builtInItems = builtInGeoFiles
+            .filter { geoFile -> savedAssets.none { it.second.remarks == geoFile } }
+            .map {
+                Utils.getUuid() to AssetUrlItem(
+                    it,
+                    String.format(AppConfig.GITHUB_DOWNLOAD_URL, geoFilesSource).concatUrl(it),
+                    locked = true
+                )
+            }
+        return builtInItems + savedAssets
+    }
+
+    fun downloadGeoFiles(extDir: File, httpPort: Int): GeoDownloadResult {
+        val snapshot = getAssets()
+        var successCount = 0
+        val failures = mutableListOf<String>()
+
+        snapshot.forEach { (_, item) ->
+            val portsToTry = if (httpPort == 0) listOf(0) else listOf(httpPort, 0)
+            if (portsToTry.any { tryDownload(item, extDir, it) }) {
+                successCount++
+            } else {
+                failures.add(item.remarks)
+            }
+        }
+
+        return GeoDownloadResult(successCount, failures.size, failures)
+    }
+
+    private fun tryDownload(item: AssetUrlItem, extDir: File, httpPort: Int): Boolean {
+        val targetTemp = File(extDir, item.remarks + "_temp")
+        val target = File(extDir, item.remarks)
+        val conn = HttpUtil.createProxyConnection(item.url, httpPort, 15000, 15000, needStream = true) ?: return false
+        try {
+            val responseCode = conn.responseCode
+            if (responseCode == HttpURLConnection.HTTP_OK) {
+                conn.inputStream.use { inputStream ->
+                    FileOutputStream(targetTemp).use { output ->
+                        inputStream.copyTo(output)
+                    }
+                }
+                targetTemp.renameTo(target)
+                return true
+            }
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to download geo file: ${item.remarks}", e)
+        } finally {
+            conn.disconnect()
+        }
+        return false
+    }
+
+    data class GeoDownloadResult(
+        val successCount: Int,
+        val failureCount: Int,
+        val failedAssets: List<String>
+    )
+}