feat(asr): 添加无网络状态下的语音命令处理功能

- 在AsrHelper中新增Intent和WelcomeActivity导入
- 引入exitProcess用于应用退出功能
- 修改无网络对话框标题和消息内容
- 添加handleNoNetworkDialogCmd方法处理"退出"和"返回"语音命令
- 实现语音命令触发的应用退出和返回欢迎页面功能
- 在WelcomeActivity中注释掉triggerRecognize调用

app/src/main/java/com/nova/brain/glass/helper/AsrHelper.kt

@@ -3,6 +3,7 @@ package com.nova.brain.glass.helper
 import android.R.attr.action
 import android.app.AlertDialog
 import android.content.Context
+import android.content.Intent
 import android.graphics.Color
 import android.graphics.drawable.GradientDrawable
 import android.net.ConnectivityManager
@@ -14,6 +15,7 @@ import android.view.LayoutInflater
 import com.nova.brain.glass.BuildConfig
 import com.nova.brain.glass.R
 import com.nova.brain.glass.model.RecognizeAction
+import com.nova.brain.glass.ui.WelcomeActivity
 import com.rokid.online.speech.AsrClient
 import com.rokid.online.speech.OnlineSpeechSdk
 import com.rokid.online.speech.OnlineSpeechSdkConfig
@@ -22,6 +24,7 @@ import com.rokid.online.speech.open.AndroidPcmTtsStreamPlayer
 import com.rokid.online.speech.open.OpenSdkAudioSource
 import com.xuqm.base.common.AppManager
 import com.xuqm.base.extensions.showMessage
+import kotlin.system.exitProcess
 
 object AsrHelper : OfflineCmdListener {
 
@@ -190,8 +193,8 @@ object AsrHelper : OfflineCmdListener {
                 ?: return@post
             if (activity.isFinishing || activity.isDestroyed) return@post
             noNetworkDialog = AlertDialog.Builder(activity)
-                .setTitle("网络异常")
-                .setMessage("当前无网络，请检查网络连接")
+                .setTitle("当前无网络，请检查网络连接")
+                .setMessage("语音输入“退出”，退出应用。或者输入“返回”，返回初始页面。")
                 .setCancelable(false)
                 .create()
                 .also { it.show() }
@@ -315,6 +318,7 @@ object AsrHelper : OfflineCmdListener {
 
     // 离线关键词回调：唤醒词触发时先 TTS 播报，播报结束后启动麦克风
     override fun onOfflineCmd(cmd: String) {
+        if (handleNoNetworkDialogCmd(cmd)) return
         if (cmd == WAKE_WORD || cmd == WAKE_WORD1 || cmd == "C大脑") {
             Log.d(TAG, "Wake word triggered")
             if (!isNetworkAvailable()) {
@@ -332,6 +336,33 @@ object AsrHelper : OfflineCmdListener {
         }
     }
 
+    private fun handleNoNetworkDialogCmd(cmd: String): Boolean {
+        if (cmd != "退出" && cmd != "返回" && cmd != "退回") return false
+        mainHandler.post {
+            if (noNetworkDialog?.isShowing != true) return@post
+            mainHandler.removeCallbacks(networkCheckRunnable)
+            dismissNoNetworkDialog()
+            val activity = runCatching { AppManager.getInstance().getActivity() }.getOrNull()
+                ?: return@post
+            when (cmd) {
+                "退出" -> {
+                    activity.finishAffinity()
+                    exitProcess(0)
+                }
+                "返回", "退回" -> {
+                    activity.startActivity(
+                        Intent(activity, WelcomeActivity::class.java).apply {
+                            addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
+                            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                            addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
+                        }
+                    )
+                }
+            }
+        }
+        return true
+    }
+
     fun close() {
         OfflineCmdServiceHelper.removeOnLineListener(this)
         mainHandler.removeCallbacks(networkCheckRunnable)

app/src/main/java/com/nova/brain/glass/ui/WelcomeActivity.kt

@@ -55,6 +55,7 @@ class WelcomeActivity : BaseActivity<ActivityWelcomeBinding>() {
         window.addFlags(android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         binding.tv.setOnClickListener {
             runWithNetwork {
+//                triggerRecognize()
                 startActivity(Intent(this, TaskListActivity::class.java))
             }
         }