添加点播播放功能，创建VodPlayActivity及相关UI，更新FeatureHubActivity以支持点播配置

example/src/main/AndroidManifest.xml

@@ -64,6 +64,14 @@
             android:supportsPictureInPicture="true"
             android:parentActivityName=".FeatureHubActivity" />
 
+        <activity
+            android:name=".vod.VodPlayActivity"
+            android:exported="false"
+            android:configChanges="screenSize|smallestScreenSize|screenLayout|orientation|keyboardHidden"
+            android:screenOrientation="fullSensor"
+            android:theme="@style/Theme.AVDemo.NoActionBar"
+            android:parentActivityName=".FeatureHubActivity" />
+
         <activity
             android:name=".interactive.InteractiveLiveActivity"
             android:exported="false"

example/src/main/java/com/demo/SellyCloudSDK/FeatureHubActivity.kt

@@ -16,6 +16,7 @@ import com.demo.SellyCloudSDK.avdemo.AvDemoSettingsStore
 import com.demo.SellyCloudSDK.databinding.ActivityFeatureHubBinding
 import com.demo.SellyCloudSDK.databinding.DialogLivePresetSettingsBinding
 import com.demo.SellyCloudSDK.databinding.DialogPlayConfigOverlayBinding
+import com.demo.SellyCloudSDK.databinding.DialogVodInputBinding
 import com.demo.SellyCloudSDK.databinding.DialogPushProtocolSheetBinding
 import com.demo.SellyCloudSDK.interactive.InteractiveLiveActivity
 import com.demo.SellyCloudSDK.live.LivePlayActivity
@@ -30,6 +31,7 @@ import com.demo.SellyCloudSDK.live.square.AliveStreamAdapter
 import com.demo.SellyCloudSDK.live.square.AliveStreamItem
 import com.demo.SellyCloudSDK.login.DemoLoginStore
 import com.demo.SellyCloudSDK.login.LoginActivity
+import com.demo.SellyCloudSDK.vod.VodPlayActivity
 import com.sellycloud.sellycloudsdk.SellyLiveMode
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -118,6 +120,9 @@ class FeatureHubActivity : AppCompatActivity() {
         binding.btnHomeLivePull.setOnClickListener {
             showPlayConfigDialog()
         }
+        binding.btnHomeVod.setOnClickListener {
+            showVodConfigDialog()
+        }
         binding.btnCallSingleChat.setOnClickListener {
             startInteractive(InteractiveLiveActivity.DEFAULT_CALL_TYPE_P2P)
         }
@@ -390,6 +395,27 @@ class FeatureHubActivity : AppCompatActivity() {
         dialog.show()
     }
 
+    private fun showVodConfigDialog() {
+        val dialog = Dialog(this, R.style.Theme_AVDemo_Dialog_FullscreenOverlay)
+        val dialogBinding = DialogVodInputBinding.inflate(layoutInflater)
+        dialog.setContentView(dialogBinding.root)
+        dialog.window?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
+        dialog.setCancelable(true)
+
+        dialogBinding.btnClose.setOnClickListener { dialog.dismiss() }
+        dialogBinding.btnStartVod.setOnClickListener {
+            val input = dialogBinding.etVodUrl.text?.toString()?.trim().orEmpty()
+            if (input.isEmpty()) {
+                Toast.makeText(this, getString(R.string.vod_config_hint), Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            dialog.dismiss()
+            startActivity(VodPlayActivity.createIntent(this, input))
+        }
+
+        dialog.show()
+    }
+
     private fun setupSettingsSave() {
         binding.btnSaveSettings.setOnClickListener {
             val settings = uiToSettingsOrNull() ?: return@setOnClickListener

example/src/main/java/com/demo/SellyCloudSDK/live/LivePlayActivity.kt

@@ -122,7 +122,7 @@ class LivePlayActivity : AppCompatActivity() {
                             SellyPlayerState.Reconnecting -> setPlayingUi(false)
                             SellyPlayerState.Playing -> setPlayingUi(true)
                             SellyPlayerState.Paused -> setPlayingUi(false)
-                            SellyPlayerState.Stopped -> setPlayingUi(false)
+                            SellyPlayerState.StoppedOrEnded -> setPlayingUi(false)
                             SellyPlayerState.Failed -> setPlayingUi(false)
                             SellyPlayerState.Idle -> Unit
                         }
@@ -722,7 +722,7 @@ class LivePlayActivity : AppCompatActivity() {
             SellyPlayerState.Reconnecting -> "重连中"
             SellyPlayerState.Playing -> "播放中"
             SellyPlayerState.Paused -> "已暂停"
-            SellyPlayerState.Stopped -> "已停止"
+            SellyPlayerState.StoppedOrEnded -> "已停止"
             SellyPlayerState.Failed -> "失败"
             SellyPlayerState.Idle -> "空闲"
         }

example/src/main/java/com/demo/SellyCloudSDK/vod/VodPlayActivity.kt

@@ -0,0 +1,645 @@
+package com.demo.SellyCloudSDK.vod
+
+import android.Manifest
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.graphics.Bitmap
+import android.graphics.Color
+import android.graphics.Typeface
+import android.graphics.drawable.GradientDrawable
+import android.os.Build
+import android.os.Bundle
+import android.os.Looper
+import android.os.SystemClock
+import android.view.Gravity
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.LinearLayout
+import android.widget.ScrollView
+import android.widget.TextView
+import android.widget.Toast
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.AppCompatTextView
+import androidx.core.content.ContextCompat
+import com.demo.SellyCloudSDK.R
+import com.demo.SellyCloudSDK.databinding.ActivityVodPlayBinding
+import com.demo.SellyCloudSDK.live.util.GalleryImageSaver
+import com.sellycloud.sellycloudsdk.SellyLiveError
+import com.sellycloud.sellycloudsdk.SellyPlayerState
+import com.sellycloud.sellycloudsdk.SellyVodPlayer
+import com.sellycloud.sellycloudsdk.SellyVodPlayerDelegate
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
+import kotlinx.coroutines.launch
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+
+class VodPlayActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityVodPlayBinding
+    private val uiScope = CoroutineScope(SupervisorJob() + Dispatchers.Main.immediate)
+
+    private var player: SellyVodPlayer? = null
+    private var renderView: View? = null
+
+    private var isPlaying = false
+    private var isMuted = false
+    private var currentState: SellyPlayerState = SellyPlayerState.Idle
+    private var durationMs: Long = 0
+    private var isUserSeeking = false
+
+    private var playAttemptStartElapsedMs: Long? = null
+    private var firstVideoFrameElapsedMs: Long? = null
+    private var firstVideoFrameCostMs: Long? = null
+    private var firstAudioFrameElapsedMs: Long? = null
+    private var firstAudioFrameCostMs: Long? = null
+    private var bufferingActive = false
+
+    private var progressJob: Job? = null
+
+    private val logLines: ArrayDeque<String> = ArrayDeque()
+    private val logTimeFormat = SimpleDateFormat("HH:mm:ss.SSS", Locale.getDefault())
+    private var logDialog: AlertDialog? = null
+    private var logSummaryView: TextView? = null
+    private var logContentView: TextView? = null
+    private var logFloatingButton: View? = null
+
+    private val storagePermissionLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) { granted ->
+        if (!granted) {
+            Toast.makeText(this, "需要存储权限才能保存截图", Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityVodPlayBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        supportActionBar?.hide()
+        addLogFloatingButton()
+
+        binding.btnClose.setOnClickListener { finish() }
+        binding.actionPlay.setOnClickListener { togglePlay() }
+        binding.actionMute.setOnClickListener { toggleMute() }
+        binding.actionScreenshot.setOnClickListener { captureCurrentFrame() }
+        binding.actionForward.setOnClickListener { seekForward() }
+
+        binding.seekBar.setOnSeekBarChangeListener(object : android.widget.SeekBar.OnSeekBarChangeListener {
+            override fun onProgressChanged(seekBar: android.widget.SeekBar, progress: Int, fromUser: Boolean) {
+                if (fromUser) {
+                    binding.tvCurrentTime.text = formatTime(progress.toLong())
+                }
+            }
+
+            override fun onStartTrackingTouch(seekBar: android.widget.SeekBar) {
+                isUserSeeking = true
+                logEvent("用户操作: 开始拖动进度条")
+            }
+
+            override fun onStopTrackingTouch(seekBar: android.widget.SeekBar) {
+                val position = seekBar.progress.toLong()
+                logEvent("用户操作: 跳转到 ${formatTime(position)}")
+                player?.seekTo(position)
+                isUserSeeking = false
+            }
+        })
+
+        val url = intent.getStringExtra(EXTRA_VOD_URL)?.trim().orEmpty()
+        if (url.isEmpty()) {
+            Toast.makeText(this, "请输入有效的播放地址", Toast.LENGTH_SHORT).show()
+            finish()
+            return
+        }
+        initPlayer(url)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        logEvent("释放播放器")
+        logDialog?.dismiss()
+        progressJob?.cancel()
+        player?.release()
+        player = null
+        uiScope.cancel()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        if (isPlaying) {
+            player?.pause()
+        }
+    }
+
+    private fun initPlayer(url: String) {
+        val vodPlayer = SellyVodPlayer.initWithUrl(this, url).also { client ->
+            client.autoPlay = true
+            client.delegate = object : SellyVodPlayerDelegate {
+                override fun playbackStateChanged(state: SellyPlayerState) {
+                    runOnUiThread {
+                        currentState = state
+                        when (state) {
+                            SellyPlayerState.Playing -> setPlayingUi(true)
+                            SellyPlayerState.Paused,
+                            SellyPlayerState.StoppedOrEnded,
+                            SellyPlayerState.Failed,
+                            SellyPlayerState.Connecting,
+                            SellyPlayerState.Reconnecting,
+                            SellyPlayerState.Idle -> setPlayingUi(false)
+                        }
+                        logEvent("状态变更: ${formatState(state)}")
+                    }
+                }
+
+                override fun onPrepared(durationMs: Long) {
+                    runOnUiThread {
+                        this@VodPlayActivity.durationMs = durationMs
+                        binding.seekBar.max = durationMs.toInt()
+                        binding.tvTotalTime.text = formatTime(durationMs)
+                        logEvent("准备完成: 总时长=${formatTime(durationMs)}")
+                    }
+                }
+
+                override fun onFirstVideoFrameRendered() {
+                    runOnUiThread {
+                        if (firstVideoFrameElapsedMs != null) return@runOnUiThread
+                        val startMs = playAttemptStartElapsedMs ?: return@runOnUiThread
+                        firstVideoFrameElapsedMs = SystemClock.elapsedRealtime()
+                        firstVideoFrameCostMs = firstVideoFrameElapsedMs!! - startMs
+                        logEvent("首帧视频耗时=${firstVideoFrameCostMs}ms")
+                    }
+                }
+
+                override fun onFirstAudioFrameRendered() {
+                    runOnUiThread {
+                        if (firstAudioFrameElapsedMs != null) return@runOnUiThread
+                        val startMs = playAttemptStartElapsedMs ?: return@runOnUiThread
+                        firstAudioFrameElapsedMs = SystemClock.elapsedRealtime()
+                        firstAudioFrameCostMs = firstAudioFrameElapsedMs!! - startMs
+                        logEvent("首帧音频耗时=${firstAudioFrameCostMs}ms")
+                    }
+                }
+
+                override fun onSeekComplete() {
+                    runOnUiThread {
+                        isUserSeeking = false
+                        logEvent("Seek 完成")
+                    }
+                }
+
+                override fun onCompletion() {
+                    runOnUiThread {
+                        logEvent("播放完成")
+                    }
+                }
+
+                override fun onBufferingUpdate(percent: Int) {
+                    runOnUiThread {
+                        if (percent <= 0) {
+                            if (!bufferingActive) {
+                                bufferingActive = true
+                                logEvent("缓冲中")
+                            }
+                            return@runOnUiThread
+                        }
+                        if (bufferingActive) {
+                            bufferingActive = false
+                            logEvent("缓冲恢复")
+                        }
+                    }
+                }
+
+                override fun onError(error: SellyLiveError) {
+                    runOnUiThread {
+                        logEvent("错误: ${error.message}")
+                        Toast.makeText(this@VodPlayActivity, error.message, Toast.LENGTH_SHORT).show()
+                    }
+                }
+            }
+            client.setMuted(isMuted)
+        }
+
+        renderView = vodPlayer.attachRenderView(binding.renderContainer)
+        player = vodPlayer
+        startPlayAttempt()
+        vodPlayer.prepareAsync()
+        startProgressUpdates()
+    }
+
+    private fun togglePlay() {
+        if (isPlaying) {
+            logEvent("用户操作: 暂停")
+            player?.pause()
+            return
+        }
+        logEvent("用户操作: 播放")
+        if (currentState == SellyPlayerState.Paused) {
+            player?.play()
+        } else {
+            startPlayAttempt()
+            player?.play()
+        }
+    }
+
+    private fun toggleMute() {
+        isMuted = !isMuted
+        player?.setMuted(isMuted)
+        binding.tvMuteLabel.setText(if (isMuted) R.string.play_ctrl_unmute else R.string.play_ctrl_mute)
+        logEvent(if (isMuted) "用户操作: 静音" else "用户操作: 取消静音")
+    }
+
+    private fun seekForward() {
+        logEvent("用户操作: 快进10秒")
+        player?.seekBy(SEEK_FORWARD_MS)
+    }
+
+    private fun startProgressUpdates() {
+        progressJob?.cancel()
+        progressJob = uiScope.launch {
+            while (isActive) {
+                if (!isUserSeeking) {
+                    val current = player?.getCurrentPositionMs() ?: 0L
+                    val duration = player?.getDurationMs() ?: durationMs
+                    if (duration > 0) {
+                        if (duration != durationMs) {
+                            durationMs = duration
+                            binding.seekBar.max = duration.toInt()
+                            binding.tvTotalTime.text = formatTime(duration)
+                        }
+                        binding.seekBar.progress = current.coerceAtMost(duration).toInt()
+                        binding.tvCurrentTime.text = formatTime(current)
+                    }
+                }
+                delay(500)
+            }
+        }
+    }
+
+    private fun setPlayingUi(playing: Boolean) {
+        isPlaying = playing
+        binding.tvPlayLabel.setText(if (playing) R.string.play_ctrl_pause else R.string.play_ctrl_play)
+        binding.ivPlayIcon.setImageResource(if (playing) R.drawable.ic_av_pause else R.drawable.ic_av_play)
+    }
+
+    private fun captureCurrentFrame() {
+        logEvent("用户操作: 截图")
+        val view = renderView
+        if (view == null) {
+            Toast.makeText(this, "当前无可截图的播放画面", Toast.LENGTH_SHORT).show()
+            return
+        }
+        if (!hasScreenshotWritePermission()) {
+            requestScreenshotWritePermission()
+            Toast.makeText(this, "请授权后重试截图", Toast.LENGTH_SHORT).show()
+            return
+        }
+        captureSurfaceViewAndSave(view, prefix = "vod")
+    }
+
+    private fun captureSurfaceViewAndSave(view: View, prefix: String) {
+        if (view.width <= 0 || view.height <= 0) {
+            Toast.makeText(this, "视图尚未布局完成，稍后再试", Toast.LENGTH_SHORT).show()
+            return
+        }
+        if (view !is android.view.SurfaceView) {
+            Toast.makeText(this, "当前视图不支持截图", Toast.LENGTH_SHORT).show()
+            return
+        }
+        val bmp = Bitmap.createBitmap(view.width, view.height, Bitmap.Config.ARGB_8888)
+        try {
+            val handler = android.os.Handler(mainLooper)
+            android.view.PixelCopy.request(view, bmp, { result ->
+                if (result == android.view.PixelCopy.SUCCESS) {
+                    uiScope.launch(Dispatchers.IO) {
+                        val ok = saveBitmapToGallery(bmp, prefix)
+                        launch(Dispatchers.Main) {
+                            Toast.makeText(this@VodPlayActivity, if (ok) "截图已保存到相册" else "保存失败", Toast.LENGTH_SHORT).show()
+                        }
+                    }
+                } else {
+                    Toast.makeText(this, "截图失败，错误码: $result", Toast.LENGTH_SHORT).show()
+                }
+            }, handler)
+        } catch (e: Exception) {
+            Toast.makeText(this, "截图异常: ${e.message}", Toast.LENGTH_LONG).show()
+        }
+    }
+
+    private fun saveBitmapToGallery(bitmap: Bitmap, prefix: String): Boolean {
+        val filename = "${prefix}_${SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(Date())}.png"
+        return GalleryImageSaver.savePng(this, bitmap, filename)
+    }
+
+    private fun hasScreenshotWritePermission(): Boolean {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) return true
+        return ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED
+    }
+
+    private fun requestScreenshotWritePermission() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) return
+        storagePermissionLauncher.launch(Manifest.permission.WRITE_EXTERNAL_STORAGE)
+    }
+
+    private fun addLogFloatingButton() {
+        val sizePx = dpToPx(44)
+        val marginEndPx = dpToPx(18)
+        val controlBarHeight = resources.getDimensionPixelSize(R.dimen.av_control_bar_height)
+        val marginBottomPx = controlBarHeight + dpToPx(80)
+        val bgDrawable = GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, intArrayOf(
+            Color.parseColor("#B31F2937"),
+            Color.parseColor("#80242E3A")
+        )).apply {
+            shape = GradientDrawable.OVAL
+            setStroke(dpToPx(1), Color.parseColor("#55FFFFFF"))
+        }
+        val button = AppCompatTextView(this).apply {
+            text = "日志"
+            setTextColor(Color.parseColor("#F8FAFC"))
+            textSize = 11f
+            gravity = Gravity.CENTER
+            background = bgDrawable
+            elevation = dpToPx(4).toFloat()
+            setShadowLayer(2f, 0f, 1f, Color.parseColor("#66000000"))
+            isClickable = true
+            isFocusable = true
+            contentDescription = "播放日志"
+            setOnClickListener { showLogDialog() }
+            setOnLongClickListener {
+                clearLogs(true)
+                true
+            }
+        }
+        val params = FrameLayout.LayoutParams(sizePx, sizePx).apply {
+            gravity = Gravity.END or Gravity.BOTTOM
+            marginEnd = marginEndPx
+            bottomMargin = marginBottomPx
+        }
+        addContentView(button, params)
+        logFloatingButton = button
+    }
+
+    private fun showLogDialog() {
+        if (logDialog?.isShowing == true) {
+            refreshLogDialogContent()
+            return
+        }
+        val dialogBackground = GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, intArrayOf(
+            Color.parseColor("#CC0F172A"),
+            Color.parseColor("#A60F172A")
+        )).apply {
+            cornerRadius = dpToPx(16).toFloat()
+            setStroke(dpToPx(1), Color.parseColor("#33FFFFFF"))
+        }
+        val container = LinearLayout(this).apply {
+            orientation = LinearLayout.VERTICAL
+            setPadding(dpToPx(16), dpToPx(16), dpToPx(16), dpToPx(16))
+        }
+        val dialogTitleView = TextView(this).apply {
+            text = "点播调试日志"
+            setTextColor(Color.parseColor("#F8FAFC"))
+            textSize = 16f
+            setTypeface(typeface, Typeface.BOLD)
+        }
+        val summaryTitle = TextView(this).apply {
+            text = "摘要"
+            setTextColor(Color.parseColor("#E2E8F0"))
+            textSize = 12f
+        }
+        val summaryView = TextView(this).apply {
+            text = buildLogSummary()
+            typeface = Typeface.MONOSPACE
+            setTextColor(Color.parseColor("#E2E8F0"))
+            textSize = 11f
+            setLineSpacing(dpToPx(1).toFloat(), 1.05f)
+        }
+        val summaryContainer = LinearLayout(this).apply {
+            orientation = LinearLayout.VERTICAL
+            background = GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, intArrayOf(
+                Color.parseColor("#26FFFFFF"),
+                Color.parseColor("#14FFFFFF")
+            )).apply {
+                cornerRadius = dpToPx(10).toFloat()
+                setStroke(dpToPx(1), Color.parseColor("#33FFFFFF"))
+            }
+            setPadding(dpToPx(8), dpToPx(6), dpToPx(8), dpToPx(6))
+            addView(summaryView)
+        }
+        val logTitle = TextView(this).apply {
+            text = "事件日志"
+            setTextColor(Color.parseColor("#E2E8F0"))
+            textSize = 12f
+        }
+        val logView = TextView(this).apply {
+            text = buildLogContent()
+            typeface = Typeface.MONOSPACE
+            setTextColor(Color.parseColor("#E2E8F0"))
+            textSize = 11f
+            setLineSpacing(dpToPx(1).toFloat(), 1.05f)
+            setTextIsSelectable(true)
+        }
+        val scrollView = ScrollView(this).apply {
+            isFillViewport = true
+            addView(
+                logView,
+                ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
+            )
+        }
+        val logContainer = LinearLayout(this).apply {
+            orientation = LinearLayout.VERTICAL
+            background = GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, intArrayOf(
+                Color.parseColor("#26FFFFFF"),
+                Color.parseColor("#14FFFFFF")
+            )).apply {
+                cornerRadius = dpToPx(10).toFloat()
+                setStroke(dpToPx(1), Color.parseColor("#33FFFFFF"))
+            }
+            setPadding(dpToPx(8), dpToPx(6), dpToPx(8), dpToPx(6))
+        }
+        val logHeight = (resources.displayMetrics.heightPixels * 0.35f).toInt()
+        logContainer.addView(
+            scrollView,
+            LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, logHeight)
+        )
+        container.addView(dialogTitleView)
+        container.addView(spaceView(dpToPx(6)))
+        container.addView(summaryTitle)
+        container.addView(summaryContainer)
+        container.addView(spaceView(dpToPx(8)))
+        container.addView(logTitle)
+        container.addView(logContainer)
+        val dialog = AlertDialog.Builder(this)
+            .setView(container)
+            .setPositiveButton("复制", null)
+            .setNeutralButton("清空", null)
+            .setNegativeButton("关闭", null)
+            .create()
+        dialog.setOnShowListener {
+            dialog.window?.setBackgroundDrawable(dialogBackground)
+            dialog.window?.setLayout(
+                (resources.displayMetrics.widthPixels * 0.88f).toInt(),
+                ViewGroup.LayoutParams.WRAP_CONTENT
+            )
+            dialog.getButton(AlertDialog.BUTTON_POSITIVE).setOnClickListener {
+                copyLogsToClipboard()
+            }
+            dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setOnClickListener {
+                clearLogs(false)
+            }
+            dialog.getButton(AlertDialog.BUTTON_NEGATIVE).setOnClickListener {
+                dialog.dismiss()
+            }
+        }
+        dialog.setOnDismissListener {
+            logDialog = null
+            logSummaryView = null
+            logContentView = null
+        }
+        logDialog = dialog
+        logSummaryView = summaryView
+        logContentView = logView
+        dialog.show()
+    }
+
+    private fun buildLogSummary(): String {
+        val builder = StringBuilder()
+        builder.append("状态: ").append(formatState(currentState)).append('\n')
+        builder.append("是否播放中: ").append(if (isPlaying) "是" else "否").append('\n')
+        builder.append("是否静音: ").append(if (isMuted) "是" else "否").append('\n')
+        builder.append("总时长: ").append(if (durationMs > 0) formatTime(durationMs) else "--").append('\n')
+        builder.append("当前进度: ").append(formatTime(player?.getCurrentPositionMs() ?: 0L)).append('\n')
+        builder.append("首帧视频耗时(ms): ").append(firstVideoFrameCostMs ?: "未统计").append('\n')
+        builder.append("首帧音频耗时(ms): ").append(firstAudioFrameCostMs ?: "未统计").append('\n')
+        val attemptElapsed = playAttemptStartElapsedMs?.let { SystemClock.elapsedRealtime() - it }
+        if (attemptElapsed == null) {
+            builder.append("本次播放已耗时(ms): 未开始").append('\n')
+        } else {
+            builder.append("本次播放已耗时(ms): ").append(attemptElapsed).append('\n')
+        }
+        builder.append("日志行数: ").append(logLines.size)
+        return builder.toString()
+    }
+
+    private fun buildLogContent(): String {
+        if (logLines.isEmpty()) return "暂无日志"
+        return logLines.joinToString(separator = "\n")
+    }
+
+    private fun logEvent(message: String) {
+        if (Looper.myLooper() == Looper.getMainLooper()) {
+            appendLogLine(message)
+        } else {
+            runOnUiThread { appendLogLine(message) }
+        }
+    }
+
+    private fun appendLogLine(message: String) {
+        val timestamp = logTimeFormat.format(Date())
+        if (logLines.size >= MAX_LOG_LINES) {
+            logLines.removeFirst()
+        }
+        logLines.addLast("$timestamp  $message")
+        refreshLogDialogContent()
+    }
+
+    private fun refreshLogDialogContent() {
+        val dialog = logDialog ?: return
+        if (!dialog.isShowing) return
+        logSummaryView?.text = buildLogSummary()
+        logContentView?.text = buildLogContent()
+    }
+
+    private fun copyLogsToClipboard() {
+        val content = buildString {
+            append("摘要\n")
+            append(buildLogSummary())
+            append("\n\n事件日志\n")
+            append(buildLogContent())
+        }
+        val clipboard = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+        clipboard.setPrimaryClip(ClipData.newPlainText("playback_logs", content))
+        Toast.makeText(this, "已复制日志", Toast.LENGTH_SHORT).show()
+    }
+
+    private fun clearLogs(showToast: Boolean) {
+        logLines.clear()
+        refreshLogDialogContent()
+        if (showToast) {
+            Toast.makeText(this, "日志已清空", Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    private fun startPlayAttempt() {
+        playAttemptStartElapsedMs = SystemClock.elapsedRealtime()
+        firstVideoFrameElapsedMs = null
+        firstVideoFrameCostMs = null
+        firstAudioFrameElapsedMs = null
+        firstAudioFrameCostMs = null
+        bufferingActive = false
+        logEvent("播放尝试开始")
+    }
+
+    private fun formatState(state: SellyPlayerState): String {
+        return "${stateLabel(state)}(${state.name})"
+    }
+
+    private fun stateLabel(state: SellyPlayerState): String {
+        return when (state) {
+            SellyPlayerState.Connecting -> "连接中"
+            SellyPlayerState.Reconnecting -> "重连中"
+            SellyPlayerState.Playing -> "播放中"
+            SellyPlayerState.Paused -> "已暂停"
+            SellyPlayerState.StoppedOrEnded -> "已停止"
+            SellyPlayerState.Failed -> "失败"
+            SellyPlayerState.Idle -> "空闲"
+        }
+    }
+
+    private fun formatTime(ms: Long): String {
+        val totalSeconds = (ms / 1000).coerceAtLeast(0)
+        val seconds = totalSeconds % 60
+        val minutes = (totalSeconds / 60) % 60
+        val hours = totalSeconds / 3600
+        return if (hours > 0) {
+            String.format(Locale.getDefault(), "%d:%02d:%02d", hours, minutes, seconds)
+        } else {
+            String.format(Locale.getDefault(), "%02d:%02d", minutes, seconds)
+        }
+    }
+
+    private fun dpToPx(dp: Int): Int {
+        return (dp * resources.displayMetrics.density + 0.5f).toInt()
+    }
+
+    private fun spaceView(heightPx: Int): View {
+        return View(this).apply {
+            layoutParams = LinearLayout.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                heightPx
+            )
+        }
+    }
+
+    companion object {
+        private const val EXTRA_VOD_URL = "extra_vod_url"
+        private const val MAX_LOG_LINES = 200
+        private const val SEEK_FORWARD_MS = 10_000L
+
+        fun createIntent(context: Context, url: String): Intent {
+            return Intent(context, VodPlayActivity::class.java).apply {
+                putExtra(EXTRA_VOD_URL, url)
+            }
+        }
+    }
+}

example/src/main/res/drawable/ic_av_pause.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M6,5h4v14H6zM14,5h4v14h-4z" />
+</vector>

example/src/main/res/layout/activity_feature_hub.xml

@@ -110,6 +110,40 @@
                         android:textSize="15sp"
                         android:textStyle="bold" />
                 </LinearLayout>
+
+                <View
+                    android:layout_width="12dp"
+                    android:layout_height="match_parent" />
+
+                <LinearLayout
+                    android:id="@+id/btnHomeVod"
+                    android:layout_width="0dp"
+                    android:layout_height="match_parent"
+                    android:layout_weight="1"
+                    android:background="@drawable/bg_av_home_button"
+                    android:clickable="true"
+                    android:clipToOutline="true"
+                    android:focusable="true"
+                    android:foreground="?attr/selectableItemBackground"
+                    android:gravity="center"
+                    android:orientation="vertical">
+
+                    <ImageView
+                        android:layout_width="28dp"
+                        android:layout_height="28dp"
+                        android:contentDescription="@string/home_vod"
+                        android:src="@drawable/ic_av_play"
+                        app:tint="@color/brand_primary_text_on" />
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:text="@string/home_vod"
+                        android:textColor="@color/brand_primary_text_on"
+                        android:textSize="15sp"
+                        android:textStyle="bold" />
+                </LinearLayout>
             </LinearLayout>
 
             <TextView

example/src/main/res/layout/activity_vod_play.xml

@@ -0,0 +1,201 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/av_surface_black">
+
+    <FrameLayout
+        android:id="@+id/renderContainer"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@id/progressRow"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <ImageButton
+        android:id="@+id/btnClose"
+        android:layout_width="36dp"
+        android:layout_height="36dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="16dp"
+        android:background="@drawable/bg_av_icon_circle"
+        android:contentDescription="@string/close"
+        android:src="@drawable/ic_av_close"
+        app:tint="@color/av_text_primary"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <LinearLayout
+        android:id="@+id/progressRow"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="12dp"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        app:layout_constraintBottom_toTopOf="@id/controlBar"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
+
+        <TextView
+            android:id="@+id/tvCurrentTime"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="00:00"
+            android:textColor="@color/brand_primary_text_on"
+            android:textSize="12sp" />
+
+        <SeekBar
+            android:id="@+id/seekBar"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_marginStart="8dp"
+            android:layout_marginEnd="8dp" />
+
+        <TextView
+            android:id="@+id/tvTotalTime"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="00:00"
+            android:textColor="@color/brand_primary_text_on"
+            android:textSize="12sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/controlBar"
+        android:layout_width="0dp"
+        android:layout_height="@dimen/av_control_bar_height"
+        android:layout_marginStart="24dp"
+        android:layout_marginEnd="24dp"
+        android:layout_marginBottom="24dp"
+        android:background="@drawable/bg_av_control_bar"
+        android:gravity="center"
+        android:orientation="horizontal"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
+
+        <LinearLayout
+            android:id="@+id/actionPlay"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:clickable="true"
+            android:focusable="true"
+            android:foreground="?attr/selectableItemBackground"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:paddingTop="8dp"
+            android:paddingBottom="8dp">
+
+            <ImageView
+                android:id="@+id/ivPlayIcon"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:contentDescription="@string/play_ctrl_play"
+                android:src="@drawable/ic_av_play"
+                app:tint="@color/brand_primary_text_on" />
+
+            <TextView
+                android:id="@+id/tvPlayLabel"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:text="@string/play_ctrl_play"
+                android:textColor="@color/brand_primary_text_on"
+                android:textSize="12sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/actionMute"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:clickable="true"
+            android:focusable="true"
+            android:foreground="?attr/selectableItemBackground"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:paddingTop="8dp"
+            android:paddingBottom="8dp">
+
+            <ImageView
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:contentDescription="@string/play_ctrl_mute"
+                android:src="@drawable/ic_av_volume"
+                app:tint="@color/brand_primary_text_on" />
+
+            <TextView
+                android:id="@+id/tvMuteLabel"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:text="@string/play_ctrl_mute"
+                android:textColor="@color/brand_primary_text_on"
+                android:textSize="12sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/actionScreenshot"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:clickable="true"
+            android:focusable="true"
+            android:foreground="?attr/selectableItemBackground"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:paddingTop="8dp"
+            android:paddingBottom="8dp">
+
+            <ImageView
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:contentDescription="@string/play_ctrl_screenshot"
+                android:src="@drawable/ic_av_camera"
+                app:tint="@color/brand_primary_text_on" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:text="@string/play_ctrl_screenshot"
+                android:textColor="@color/brand_primary_text_on"
+                android:textSize="12sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/actionForward"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            android:clickable="true"
+            android:focusable="true"
+            android:foreground="?attr/selectableItemBackground"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:paddingTop="8dp"
+            android:paddingBottom="8dp">
+
+            <ImageView
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:contentDescription="@string/play_ctrl_forward_10"
+                android:src="@drawable/ic_av_replay_10"
+                app:tint="@color/brand_primary_text_on" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:text="@string/play_ctrl_forward_10"
+                android:textColor="@color/brand_primary_text_on"
+                android:textSize="12sp" />
+        </LinearLayout>
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

example/src/main/res/layout/dialog_vod_input.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/av_overlay_dim">
+
+    <ImageButton
+        android:id="@+id/btnClose"
+        android:layout_width="36dp"
+        android:layout_height="36dp"
+        android:layout_gravity="top|end"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="16dp"
+        android:background="@drawable/bg_av_icon_circle"
+        android:contentDescription="@string/close"
+        android:src="@drawable/ic_av_close"
+        app:tint="@color/av_text_primary" />
+
+    <LinearLayout
+        android:id="@+id/card"
+        android:layout_width="320dp"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:background="@drawable/bg_av_dialog_card_gray"
+        android:orientation="vertical"
+        android:paddingStart="18dp"
+        android:paddingTop="16dp"
+        android:paddingEnd="18dp"
+        android:paddingBottom="18dp">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:text="@string/vod_config_title"
+            android:textColor="@color/av_text_primary"
+            android:textSize="18sp"
+            android:textStyle="bold" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="14dp"
+            android:text="@string/vod_config_hint"
+            android:textColor="@color/av_text_secondary"
+            android:textSize="12sp" />
+
+        <EditText
+            android:id="@+id/etVodUrl"
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/av_field_height"
+            android:layout_marginTop="8dp"
+            android:background="@drawable/bg_av_input_field"
+            android:importantForAutofill="no"
+            android:inputType="textUri"
+            android:paddingStart="12dp"
+            android:paddingEnd="12dp"
+            android:textColor="@color/av_text_primary"
+            android:textColorHint="@color/av_text_hint"
+            android:textSize="14sp" />
+
+        <Button
+            android:id="@+id/btnStartVod"
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/av_primary_button_height"
+            android:layout_marginTop="18dp"
+            android:background="@drawable/selector_av_primary_button"
+            android:text="@string/play_start"
+            android:textColor="@color/brand_primary_text_on"
+            android:textSize="16sp"
+            android:textStyle="bold" />
+    </LinearLayout>
+</FrameLayout>

example/src/main/res/values/strings.xml

@@ -31,6 +31,7 @@
 
     <string name="home_live_push">开始直播</string>
     <string name="home_live_pull">自定义播放</string>
+    <string name="home_vod">点播播放</string>
     <string name="home_single_chat">音视频单聊</string>
     <string name="home_conference">音视频会议</string>
     <string name="multi_play">多路播放</string>
@@ -81,6 +82,8 @@
     <string name="play_config_stream_hint">Stream ID / URL。请输入 Stream ID 或完整 URL</string>
     <string name="play_start">开始播放</string>
     <string name="close">关闭</string>
+    <string name="vod_config_title">点播播放</string>
+    <string name="vod_config_hint">请输入 MP4 / HLS URL</string>
 
     <string name="protocol_rtmp">RTMP</string>
     <string name="protocol_rtc">RTC</string>
@@ -97,6 +100,7 @@
     <string name="play_ctrl_unmute">取消静音</string>
     <string name="play_ctrl_screenshot">截图</string>
     <string name="play_ctrl_pip">画中画</string>
+    <string name="play_ctrl_forward_10">快进10秒</string>
     <string name="live_play_foreground_title">正在播放</string>
     <string name="live_play_foreground_text">直播播放保持中</string>