feat(proxy): 显示并一键复制局域网地址，自动检测热点 IP

app/build.gradle.kts

@@ -16,8 +16,8 @@ android {
         applicationId = "com.rainy.token"
         minSdk = 31
         targetSdk = 35
-        versionCode = 48
+        versionCode = 49
-        versionName = "1.7.28"
+        versionName = "1.7.29"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {

app/src/main/java/com/rainy/token/data/proxy/LocalNetworkInfo.kt

@@ -0,0 +1,41 @@
+package com.rainy.token.data.proxy
+
+import java.net.Inet4Address
+import java.net.NetworkInterface
+
+/**
+ * 取当前手机可用于局域网/热点的 IPv4 地址。
+ *
+ * 热点接口名各机型不同（ap0/rndis0/wlan0/swlan0…），这里优先常见热点接口，
+ * 其次回退到任意非回环 IPv4。热点开启时手机热点 IP 一般稳定（多数为
+ * 192.168.x.1），但跨机型/跨配置可能不同，所以运行时取一次最稳妥。
+ */
+fun currentLanIpv4(): String? {
+    return try {
+        val candidates = mutableListOf<String>()
+        val fallback = mutableListOf<String>()
+        NetworkInterface.getNetworkInterfaces()?.let { nis ->
+            for (ni in nis) {
+                if (!ni.isUp || ni.isLoopback) continue
+                val ip = ni.inetAddresses
+                    .asSequence()
+                    .mapNotNull { it as? Inet4Address }
+                    .mapNotNull { it.hostAddress }
+                    .firstOrNull { addr ->
+                        !addr.startsWith("127.") && !addr.startsWith("169.254.") &&
+                            addr.count { it == '.' } == 3
+                    } ?: continue
+                val name = ni.name.lowercase()
+                when {
+                    name == "ap0" || name == "rndis0" -> candidates.add(0, ip)
+                    name == "wlan0" || name.startsWith("wlan") || name.startsWith("swlan") ->
+                        candidates.add(ip)
+                    else -> fallback.add(ip)
+                }
+            }
+        }
+        candidates.firstOrNull() ?: fallback.firstOrNull()
+    } catch (_: Throwable) {
+        null
+    }
+}

app/src/main/java/com/rainy/token/ui/settings/SettingsScreen.kt

@@ -105,6 +105,7 @@ fun SettingsScreen(
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
     val proxyRunning by viewModel.proxyRunning.collectAsStateWithLifecycle()
     val proxyAllowLan by viewModel.proxyAllowLan.collectAsStateWithLifecycle()
+    val proxyLanIp by viewModel.proxyLanIp.collectAsStateWithLifecycle()
     val proxyApiKey by viewModel.proxyApiKey.collectAsStateWithLifecycle()
     val proxyError by viewModel.proxyError.collectAsStateWithLifecycle()
     val proxyDebug by viewModel.proxyDebug.collectAsStateWithLifecycle()
@@ -186,6 +187,7 @@ fun SettingsScreen(
                     ProxyGatewayCard(
                         running = proxyRunning,
                         allowLan = proxyAllowLan,
+                        lanIp = proxyLanIp,
                         apiKey = proxyApiKey,
                         error = proxyError,
                         debug = proxyDebug,
@@ -229,6 +231,7 @@ fun SettingsScreen(
 private fun ProxyGatewayCard(
     running: Boolean,
     allowLan: Boolean,
+    lanIp: String?,
     apiKey: String,
     error: String?,
     debug: String?,
@@ -272,7 +275,8 @@ private fun ProxyGatewayCard(
                 Text(
                     text = when {
                         !running -> "已停止"
-                        allowLan -> "运行中 · 局域网模式（其他设备填 http://手机热点IP:8787/v1）"
+                        allowLan && lanIp != null -> "运行中 · http://$lanIp:8787/v1"
+                        allowLan -> "运行中 · 局域网模式（未取到 IP，请看手机热点设置）"
                         else -> "运行中 · http://127.0.0.1:8787/v1"
                     },
                     style = MaterialTheme.typography.bodySmall,
@@ -300,6 +304,18 @@ private fun ProxyGatewayCard(
                         onCheckedChange = onAllowLanChange
                     )
                 }
+                if (allowLan && lanIp != null) {
+                    val address = "http://$lanIp:8787/v1"
+                    TextButton(
+                        onClick = {
+                            val cm = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+                            cm.setPrimaryClip(ClipData.newPlainText("proxy", address))
+                            Toast.makeText(context, "已复制 $address", Toast.LENGTH_SHORT).show()
+                        }
+                    ) {
+                        Text("复制地址：$address")
+                    }
+                }
                 if (error != null) {
                     Text(
                         text = error,

app/src/main/java/com/rainy/token/ui/settings/SettingsViewModel.kt

@@ -11,11 +11,13 @@ import com.rainy.token.data.proxy.TraeChatProxy
 import com.rainy.token.data.proxy.TraeModelProvider
 import com.rainy.token.data.proxy.WorkBuddyModelProvider
 import com.rainy.token.data.proxy.WorkBuddyChatProxy
+import com.rainy.token.data.proxy.currentLanIpv4
 import com.rainy.token.data.repository.CredentialRepository
 import com.rainy.token.domain.model.CredentialStatus
 import com.rainy.token.domain.service.ServiceType
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
+import java.net.NetworkInterface
 import java.util.UUID
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -61,6 +63,10 @@ class SettingsViewModel @Inject constructor(
     )
     val proxyAllowLan: StateFlow<Boolean> = _proxyAllowLan.asStateFlow()
 
+    /** 当前局域网/热点 IPv4（仅供显示，不要依赖固定值）。 */
+    private val _proxyLanIp = MutableStateFlow(currentLanIpv4())
+    val proxyLanIp: StateFlow<String?> = _proxyLanIp.asStateFlow()
+
     /** 当前本机 API Key（每次进程随机生成，仅提示用）。 */
     val proxyApiKey: StateFlow<String> = MutableStateFlow(generateProxyKey())
 
@@ -71,6 +77,7 @@ class SettingsViewModel @Inject constructor(
     /** 启动/停止本地反代服务。 */
     fun setProxyEnabled(enabled: Boolean) {
         if (enabled) {
+            _proxyLanIp.value = currentLanIpv4()
             val config = ProxyServerConfig(
                 apiKey = proxyApiKey.value,
                 allowLan = _proxyAllowLan.value
@@ -89,6 +96,7 @@ class SettingsViewModel @Inject constructor(
         context.getSharedPreferences("proxy_settings", Context.MODE_PRIVATE)
             .edit().putBoolean("allow_lan", enabled).apply()
         _proxyAllowLan.value = enabled
+        _proxyLanIp.value = currentLanIpv4()
         if (proxyRunning.value) {
             localProxyServer.stop()
             setProxyEnabled(true)