未检测到record

 <component name="InspectionProjectProfileManager">
   <profile version="1.0">
     <option name="myName" value="Project Default" />
+    <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="MemberVisibilityCanBePrivate" enabled="true" level="WEAK WARNING" enabled_by_default="true">
       <scope name="Library Projects" level="WEAK WARNING" enabled="false" />
     </inspection_tool>
@@ -12,6 +36,9 @@
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />
     </inspection_tool>
+    <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="PreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />
@@ -36,6 +63,9 @@
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />
     </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />

@@ -16,6 +16,7 @@
 
 package io.livekit.android.sample.record
 
+import android.Manifest
 import android.os.Bundle
 import android.os.Environment
 import androidx.activity.ComponentActivity
@@ -30,59 +31,64 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Modifier
 import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.lifecycleScope
-import io.livekit.android.AudioOptions
-import io.livekit.android.LiveKit
-import io.livekit.android.LiveKitOverrides
-import io.livekit.android.room.Room
-import io.livekit.android.room.track.LocalVideoTrack
-import io.livekit.android.room.track.Track
+import androidx.core.app.ActivityCompat
 import io.livekit.android.sample.record.ui.theme.LivekitandroidTheme
 import io.livekit.android.sample.util.requestNeededPermissions
-import kotlinx.coroutines.launch
+import livekit.org.webrtc.AudioSource
+import livekit.org.webrtc.AudioTrack
+import livekit.org.webrtc.Camera2Enumerator
+import livekit.org.webrtc.CameraVideoCapturer
+import livekit.org.webrtc.DefaultVideoDecoderFactory
+import livekit.org.webrtc.DefaultVideoEncoderFactory
 import livekit.org.webrtc.EglBase
+import livekit.org.webrtc.audio.JavaAudioDeviceModule
+import livekit.org.webrtc.MediaConstraints
+import livekit.org.webrtc.PeerConnectionFactory
+import livekit.org.webrtc.SurfaceTextureHelper
+import livekit.org.webrtc.VideoSource
+import livekit.org.webrtc.VideoTrack
 import java.io.File
 import java.io.IOException
 import java.util.Date
 
 class MainActivity : ComponentActivity() {
-    lateinit var room: Room
-    var videoFileRenderer: VideoFileRenderer? = null
-    val connected = MutableLiveData(false)
+    // 录制状态
+    private val isRecording = MutableLiveData(false)
+
+    // WebRTC / 采集组件
+    private var eglBase: EglBase? = null
+    private var factory: PeerConnectionFactory? = null
+    private var videoCapturer: CameraVideoCapturer? = null
+    private var surfaceTextureHelper: SurfaceTextureHelper? = null
+    private var videoSource: VideoSource? = null
+    private var videoTrack: VideoTrack? = null
+    private var audioSource: AudioSource? = null
+    private var audioTrack: AudioTrack? = null
+
+    // 文件渲染器
+    private var videoFileRenderer: VideoFileRenderer? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        // Create Room object.
-        room = LiveKit.create(
-            appContext = applicationContext,
-            overrides = LiveKitOverrides(
-                audioOptions = AudioOptions(
-                    javaAudioDeviceModuleCustomizer = { builder ->
-                        // Receive audio samples
-                        builder.setSamplesReadyCallback { samples ->
-                            videoFileRenderer?.onWebRtcAudioRecordSamplesReady(samples)
-                        }
-                    }
-                ),
-            )
-        )
-
         setContent {
             LivekitandroidTheme {
                 Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background) {
                     Column {
-                        val isConnected by connected.observeAsState(false)
-
-                        if (isConnected) {
-                            Text(text = "Connected!")
-                            Button(onClick = { disconnectRoom() }) {
-                                Text("Disconnect")
+                        Text(text = "Local Recorder (record-local)")
+                        // 明确标题
+                        Text(text = "Local Recorder (record-local)")
+                        val recording by isRecording.observeAsState(false)
+
+                        if (recording) {
+                            Text(text = "Recording")
+                            Button(onClick = { stopRecording() }) {
+                                Text("停止录制")
                             }
                         } else {
-                            Text(text = "Not Connected.")
-                            Button(onClick = { connectToRoom() }) {
-                                Text("Connect")
+                            Text(text = "Idle")
+                            Button(onClick = { startRecording() }) {
+                                Text("开始录制")
                             }
                         }
                     }
@@ -93,48 +99,109 @@ class MainActivity : ComponentActivity() {
         requestNeededPermissions()
     }
 
-    private fun connectToRoom() {
-        val url = "https://livekittest-demo.xuedianyun.com/"
-        val token = ""
-
-        lifecycleScope.launch {
-            // Connect to server.
-            room.connect(
-                url,
-                token,
-            )
-
-            val localParticipant = room.localParticipant
-            localParticipant.setMicrophoneEnabled(true)
-            localParticipant.setCameraEnabled(true)
-
-            // Create output file.
-            val dir = getExternalFilesDir(Environment.DIRECTORY_MOVIES)
-            val file = File(dir, "${Date().time}.mp4")
-            if (!file.createNewFile()) {
-                throw IOException()
-            }
+    private fun startRecording(withAudio: Boolean = true) {
+        // 权限（如需动态申请）
+        ActivityCompat.requestPermissions(
+            this,
+            arrayOf(Manifest.permission.CAMERA, Manifest.permission.RECORD_AUDIO),
+            1001
+        )
 
-            // Setup video recording
-            val videoFileRenderer = VideoFileRenderer(
-                file.absolutePath,
-                EglBase.create().eglBaseContext,
-                true
-            )
-            this@MainActivity.videoFileRenderer = videoFileRenderer
+        // 创建输出文件
+        val dir = getExternalFilesDir(Environment.DIRECTORY_MOVIES)
+        val file = File(dir, "${Date().time}.mp4")
+        if (!file.createNewFile()) {
+            throw IOException()
+        }
+
+        // Egl 与 Renderer
+        val egl = EglBase.create()
+        eglBase = egl
+        val renderer = VideoFileRenderer(
+            file.absolutePath,
+            egl.eglBaseContext,
+            withAudio
+        )
+        videoFileRenderer = renderer
 
-            // Attach to local video track.
-            val track = localParticipant.getTrackPublication(Track.Source.CAMERA)?.track as LocalVideoTrack
-            track.addRenderer(videoFileRenderer)
+        // 初始化 WebRTC
+        PeerConnectionFactory.initialize(
+            PeerConnectionFactory.InitializationOptions.builder(applicationContext).createInitializationOptions()
+        )
 
-            connected.value = true
+        val audioModule = JavaAudioDeviceModule.builder(applicationContext)
+            .setSamplesReadyCallback { samples ->
+                videoFileRenderer?.onWebRtcAudioRecordSamplesReady(samples)
+            }
+            .createAudioDeviceModule()
+
+        val encoderFactory = DefaultVideoEncoderFactory(egl.eglBaseContext, true, true)
+        val decoderFactory = DefaultVideoDecoderFactory(egl.eglBaseContext)
+
+        factory = PeerConnectionFactory.builder()
+            .setAudioDeviceModule(audioModule)
+            .setVideoEncoderFactory(encoderFactory)
+            .setVideoDecoderFactory(decoderFactory)
+            .createPeerConnectionFactory()
+
+        // 视频采集
+        surfaceTextureHelper = SurfaceTextureHelper.create("CaptureThread", egl.eglBaseContext)
+        val enumerator = Camera2Enumerator(this)
+        val deviceName = enumerator.deviceNames.find { enumerator.isFrontFacing(it) } ?: enumerator.deviceNames.first()
+        videoCapturer = enumerator.createCapturer(deviceName, null)
+
+        videoSource = factory?.createVideoSource(false)
+        videoCapturer?.initialize(surfaceTextureHelper, this, videoSource!!.capturerObserver)
+        videoCapturer?.startCapture(1280, 720, 30)
+
+        videoTrack = factory?.createVideoTrack("LOCAL_VIDEO", videoSource)
+        // 将视频帧送入文件渲染器
+        videoTrack?.addSink(renderer)
+
+        // 音频（可选）
+        if (withAudio) {
+            val audioConstraints = MediaConstraints()
+            audioSource = factory?.createAudioSource(audioConstraints)
+            audioTrack = factory?.createAudioTrack("LOCAL_AUDIO", audioSource)
+            audioTrack?.setEnabled(true)
         }
+
+        isRecording.value = true
     }
 
-    fun disconnectRoom() {
-        room.disconnect()
+    fun stopRecording() {
+        // 停止视频采集
+        try {
+            videoCapturer?.stopCapture()
+        } catch (_: Exception) {}
+        videoCapturer?.dispose()
+        videoCapturer = null
+
+        videoTrack?.dispose()
+        videoTrack = null
+
+        surfaceTextureHelper?.dispose()
+        surfaceTextureHelper = null
+
+        videoSource?.dispose()
+        videoSource = null
+
+        // 停止音频
+        audioTrack?.dispose()
+        audioTrack = null
+        audioSource?.dispose()
+        audioSource = null
+
+        // 释放渲染器（写入并关闭 MP4）
         videoFileRenderer?.release()
         videoFileRenderer = null
-        connected.value = false
+
+        // 释放工厂与 EGL
+        factory?.dispose()
+        factory = null
+        eglBase?.release()
+        eglBase = null
+
+        isRecording.value = false
     }
 }