一些修改提交

.codegraph/.gitignore

@@ -0,0 +1,16 @@
+# CodeGraph data files
+# These are local to each machine and should not be committed
+
+# Database
+*.db
+*.db-wal
+*.db-shm
+
+# Cache
+cache/
+
+# Logs
+*.log
+
+# Hook markers
+.dirty

.codegraph/daemon.pid

@@ -0,0 +1,6 @@
+{
+  "pid": 38368,
+  "version": "0.9.7",
+  "socketPath": "\\\\.\\pipe\\codegraph-cb339f1c8a0989e3",
+  "startedAt": 1781679324951
+}

.reasonix/desktop-topic-created-at.json

@@ -0,0 +1,3 @@
+{
+  "topic_20260617-065519_fbde6a25cff2683a": 1781679319697
+}

.reasonix/desktop-topic-title-sources.json

@@ -0,0 +1,3 @@
+{
+  "topic_20260617-065519_fbde6a25cff2683a": "auto"
+}

.reasonix/desktop-topic-titles.json

@@ -0,0 +1,3 @@
+{
+  "topic_20260617-065519_fbde6a25cff2683a": "我要给电视盒子做一个非常简单的APP…"
+}

app/build.gradle.kts

@@ -27,11 +27,14 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "17"
+    }
+    buildFeatures {
+        viewBinding = true
     }
 }
 
@@ -42,6 +45,9 @@ dependencies {
     implementation(libs.material)
     implementation(libs.androidx.activity)
     implementation(libs.androidx.constraintlayout)
+    implementation(libs.androidx.media3.exoplayer)
+    implementation(libs.androidx.media3.exoplayer.hls)
+    implementation(libs.androidx.media3.ui)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

app/src/main/AndroidManifest.xml

@@ -2,6 +2,12 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -11,16 +17,32 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.FengTv"
+        android:banner="@mipmap/ic_launcher"
+        android:usesCleartextTraffic="true"
         tools:targetApi="31">
+        
         <activity
             android:name=".MainActivity"
-            android:exported="true">
+            android:exported="true"
+            android:excludeFromRecents="false"
+            android:launchMode="singleTask"
+            android:screenOrientation="landscape"
+            android:configChanges="orientation|keyboardHidden|screenSize">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
             </intent-filter>
         </activity>
+        
+        <receiver
+            android:name=".BootReceiver"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.BOOT_COMPLETED" />
+            </intent-filter>
+        </receiver>
+        
     </application>
 
 </manifest>

app/src/main/java/cn/flyzxf/FengTv/BootReceiver.kt

@@ -0,0 +1,15 @@
+package cn.flyzxf.FengTv
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+
+class BootReceiver : BroadcastReceiver() {
+    override fun onReceive(context: Context, intent: Intent) {
+        if (intent.action == Intent.ACTION_BOOT_COMPLETED) {
+            val launchIntent = context.packageManager.getLaunchIntentForPackage(context.packageName)
+            launchIntent?.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            context.startActivity(launchIntent)
+        }
+    }
+}

app/src/main/java/cn/flyzxf/FengTv/ChannelInfo.kt

@@ -0,0 +1,6 @@
+package cn.flyzxf.FengTv
+
+data class ChannelInfo(
+    val name: String,
+    val url: String
+)

app/src/main/java/cn/flyzxf/FengTv/ChannelManager.kt

@@ -0,0 +1,101 @@
+package cn.flyzxf.FengTv
+
+import android.content.Context
+import android.content.SharedPreferences
+import java.io.BufferedReader
+import java.io.File
+import java.io.FileReader
+import java.io.FileWriter
+
+object ChannelManager {
+    private const val PREFS_NAME = "fengtv_prefs"
+    private const val KEY_SOURCE_URL = "source_url"
+    private const val KEY_CURRENT_INDEX = "current_index"
+    private const val CHANNEL_FILE = "channels.txt"
+
+    private var channels: MutableList<ChannelInfo> = mutableListOf()
+    var currentIndex: Int = 0
+        private set
+
+    fun loadChannels(context: Context): List<ChannelInfo> {
+        val file = File(context.filesDir, CHANNEL_FILE)
+        channels.clear()
+        if (file.exists()) {
+            try {
+                BufferedReader(FileReader(file)).use { reader ->
+                    reader.forEachLine { line ->
+                        val trimmed = line.trim()
+                        if (trimmed.isNotEmpty() && !trimmed.startsWith("#")) {
+                            val commaIdx = trimmed.indexOf(',')
+                            if (commaIdx > 0 && commaIdx < trimmed.length - 1) {
+                                val name = trimmed.substring(0, commaIdx).trim()
+                                val url = trimmed.substring(commaIdx + 1).trim()
+                                if (url.isNotEmpty()) {
+                                    channels.add(ChannelInfo(name, url))
+                                }
+                            }
+                        }
+                    }
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+        }
+        val prefs = getPrefs(context)
+        currentIndex = prefs.getInt(KEY_CURRENT_INDEX, 0)
+        if (currentIndex >= channels.size) currentIndex = 0
+        return channels.toList()
+    }
+
+    fun saveChannels(context: Context, lines: List<String>) {
+        val file = File(context.filesDir, CHANNEL_FILE)
+        try {
+            FileWriter(file).use { writer ->
+                lines.forEach { line ->
+                writer.write(line + "\n")
+                }
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+        loadChannels(context)
+    }
+
+    fun getSavedSourceUrl(context: Context): String? {
+        return getPrefs(context).getString(KEY_SOURCE_URL, null)
+    }
+
+    fun saveSourceUrl(context: Context, url: String) {
+        getPrefs(context).edit().putString(KEY_SOURCE_URL, url).apply()
+    }
+
+    fun saveCurrentIndex(context: Context, index: Int) {
+        currentIndex = index
+        getPrefs(context).edit().putInt(KEY_CURRENT_INDEX, index).apply()
+    }
+
+    fun getChannelCount(): Int = channels.size
+
+    fun getChannel(index: Int): ChannelInfo? {
+        if (index in channels.indices) return channels[index]
+        return null
+    }
+
+    fun getCurrentChannel(): ChannelInfo? = getChannel(currentIndex)
+
+    fun nextChannel(): ChannelInfo? {
+        if (channels.isEmpty()) return null
+        currentIndex = (currentIndex + 1) % channels.size
+        return channels[currentIndex]
+    }
+
+    fun prevChannel(): ChannelInfo? {
+        if (channels.isEmpty()) return null
+        currentIndex = if (currentIndex - 1 < 0) channels.size - 1 else currentIndex - 1
+        return channels[currentIndex]
+    }
+
+    private fun getPrefs(context: Context): SharedPreferences {
+        return context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)
+    }
+}

app/src/main/java/cn/flyzxf/FengTv/ConfigDialogFragment.kt

@@ -0,0 +1,106 @@
+package cn.flyzxf.FengTv
+
+import android.app.AlertDialog
+import android.app.Dialog
+import android.net.Uri
+import android.os.Bundle
+import android.text.InputType
+import android.widget.EditText
+import android.widget.LinearLayout
+import android.widget.Toast
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.fragment.app.DialogFragment
+import java.io.BufferedReader
+import java.io.InputStreamReader
+import java.net.URL
+
+class ConfigDialogFragment : DialogFragment() {
+
+    private val filePickerLauncher = registerForActivityResult(
+        ActivityResultContracts.OpenDocument()
+    ) { uri: Uri? ->
+        uri?.let { handleFileUri(it) }
+    }
+
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        val items = arrayOf("输入 M3U8 源链接", "选择本地 TXT 文件", "取消")
+
+        return AlertDialog.Builder(requireActivity())
+            .setTitle("设置电视源")
+            .setItems(items) { _, which ->
+                when (which) {
+                    0 -> showUrlInputDialog()
+                    1 -> filePickerLauncher.launch(arrayOf("text/plain"))
+                }
+            }
+            .create()
+    }
+
+    private fun showUrlInputDialog() {
+        // 提前捕获 activity 引用，防止回调时 Fragment 已被销毁导致 IllegalStateException
+        val activity = requireActivity() as MainActivity
+        val context = requireContext()
+
+        val input = EditText(context)
+        input.inputType = InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_URI
+        input.hint = "https://example.com/channels.txt"
+
+        val layout = LinearLayout(context).apply {
+            setPadding(50, 20, 50, 20)
+            addView(input, LinearLayout.LayoutParams(
+                LinearLayout.LayoutParams.MATCH_PARENT,
+                LinearLayout.LayoutParams.WRAP_CONTENT
+            ))
+        }
+
+        AlertDialog.Builder(activity)
+            .setTitle("输入 M3U8 源链接")
+            .setView(layout)
+            .setPositiveButton("确定") { _, _ ->
+                val url = input.text.toString().trim()
+                if (url.isNotEmpty()) {
+                    // 简单验证 URL 格式
+                    if (!isValidUrl(url)) {
+                        Toast.makeText(context, "链接格式不正确，请检查后重试", Toast.LENGTH_LONG).show()
+                        return@setPositiveButton
+                    }
+                    activity.onConfigSaved(url)
+                }
+            }
+            .setNegativeButton("取消", null)
+            .show()
+    }
+
+    private fun isValidUrl(url: String): Boolean {
+        return try {
+            val u = URL(url)
+            u.protocol == "http" || u.protocol == "https"
+        } catch (e: Exception) {
+            false
+        }
+    }
+
+    private fun handleFileUri(uri: Uri) {
+        try {
+            // 提前捕获引用
+            val context = requireContext()
+            val activity = requireActivity() as MainActivity
+
+            val inputStream = context.contentResolver.openInputStream(uri)
+            val lines = mutableListOf<String>()
+            BufferedReader(InputStreamReader(inputStream, "UTF-8")).use { reader ->
+                reader.forEachLine { lines.add(it) }
+            }
+            ChannelManager.saveChannels(context, lines)
+            activity.startPlayback()
+            Toast.makeText(context, "已加载本地文件", Toast.LENGTH_SHORT).show()
+        } catch (e: Exception) {
+            // 此时如果 Fragment 已分离，requireContext() 可能抛异常，用安全方式获取
+            try {
+                Toast.makeText(requireContext(), "读取文件失败", Toast.LENGTH_LONG).show()
+            } catch (e2: Exception) {
+                // 忽略，Fragment 已销毁
+            }
+        }
+    }
+}

app/src/main/java/cn/flyzxf/FengTv/MainActivity.kt

@@ -1,20 +1,592 @@
 package cn.flyzxf.FengTv
 
+import android.content.SharedPreferences
+import android.net.ConnectivityManager
+import android.net.Network
+import android.net.NetworkCapabilities
+import android.net.NetworkRequest
+import android.net.Uri
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.view.KeyEvent
+import android.view.View
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.ImageButton
+import android.widget.ListView
+import android.widget.TextView
+import android.widget.Toast
 import androidx.activity.enableEdgeToEdge
 import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
+import androidx.media3.common.MediaItem
+import androidx.media3.common.PlaybackException
+import androidx.media3.common.Player
+import androidx.media3.exoplayer.ExoPlayer
+import androidx.media3.ui.AspectRatioFrameLayout
+import androidx.media3.ui.PlayerView
+import java.io.BufferedReader
+import java.io.File
+import java.io.FileReader
+import java.io.InputStreamReader
+import java.net.HttpURLConnection
+import java.net.URL
+import java.util.concurrent.Executors
 
 class MainActivity : AppCompatActivity() {
+    private lateinit var playerView: PlayerView
+    private lateinit var channelNameOverlay: TextView
+    private lateinit var loadingOverlay: View
+    private lateinit var loadingText: TextView
+    private lateinit var bottomToolbar: View
+    private lateinit var channelPanel: View
+    private lateinit var channelListView: ListView
+    private lateinit var toolbarIndicator: TextView
+    private lateinit var btnPrev: ImageButton
+    private lateinit var btnNext: ImageButton
+    private lateinit var btnToggleReverse: ImageButton
+    private lateinit var btnShowList: ImageButton
+    private lateinit var btnSettings: ImageButton
+    private lateinit var channelPanelClose: TextView
+    private lateinit var switchingIndicator: View
+    private lateinit var switchingChannelNum: TextView
+    private lateinit var switchingChannelTotal: TextView
+    private lateinit var switchingStatus: TextView
+    private var player: ExoPlayer? = null
+    private val mainHandler = Handler(Looper.getMainLooper())
+    private val executor = Executors.newSingleThreadExecutor()
+    private var retryCount = 0
+    private val maxRetries = 3
+    private var isFirstLaunch = true
+    private var hasShownNetworkRetryToast = false
+    private var isReverseOrder = false
+    private var isToolbarShowing = false
+
+    // 频道名消失 Runnable
+    private val hideChannelNameRunnable = Runnable {
+        channelNameOverlay.visibility = View.GONE
+    }
+    // 工具栏消失 Runnable
+    private val hideToolbarRunnable = Runnable {
+        hideToolbar()
+    }
+
+    companion object {
+        private const val PREFS_NAME = "fengtv_prefs"
+        private const val KEY_SOURCE_URL = "source_url"
+        private const val KEY_FIRST_LAUNCH = "first_launch"
+        private const val KEY_HAS_CONFIG = "has_config"
+        private const val KEY_REVERSE = "reverse_order"
+        private const val TIMEOUT_MS = 3000
+        private const val CHANNEL_NAME_DURATION_MS = 3000L
+        private const val NETWORK_DELAY_MS = 5000L
+        private const val TOOLBAR_DURATION_MS = 5000L
+        private const val LOADING_TIMEOUT_MS = 4000L
+        private const val SWITCH_STATUS_DURATION_MS = 2000L
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         setContentView(R.layout.activity_main)
+
+        playerView = findViewById(R.id.player_view)
+        channelNameOverlay = findViewById(R.id.channel_name_overlay)
+        loadingOverlay = findViewById(R.id.loading_overlay)
+        loadingText = findViewById(R.id.loading_text)
+        bottomToolbar = findViewById(R.id.bottom_toolbar)
+        channelPanel = findViewById(R.id.channel_panel)
+        channelListView = findViewById(R.id.channel_list_view)
+        toolbarIndicator = findViewById(R.id.toolbar_channel_indicator)
+        btnPrev = findViewById(R.id.btn_prev_channel)
+        btnNext = findViewById(R.id.btn_next_channel)
+        btnToggleReverse = findViewById(R.id.btn_toggle_reverse)
+        btnShowList = findViewById(R.id.btn_show_list)
+        btnSettings = findViewById(R.id.btn_settings)
+        channelPanelClose = findViewById(R.id.channel_panel_close)
+        switchingIndicator = findViewById(R.id.switching_indicator)
+        switchingChannelNum = findViewById(R.id.switching_channel_num)
+        switchingChannelTotal = findViewById(R.id.switching_channel_total)
+        switchingStatus = findViewById(R.id.switching_status)
+
+        playerView.setResizeMode(AspectRatioFrameLayout.RESIZE_MODE_FIT)
+
         ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
             val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
             insets
         }
+
+        // 读取反转设置
+        val prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE)
+        isReverseOrder = prefs.getBoolean(KEY_REVERSE, false)
+        updateReverseButton()
+
+        registerNetworkCallback()
+        setupControls()
+
+        isFirstLaunch = prefs.getBoolean(KEY_FIRST_LAUNCH, true)
+
+        if (isFirstLaunch) {
+            prefs.edit().putBoolean(KEY_FIRST_LAUNCH, false).apply()
+            showConfigDialog()
+        } else {
+            startPlayback()
+        }
+    }
+
+    // ======================== 控件绑定 ========================
+
+    private fun setupControls() {
+        // 点击画面切换工具栏
+        findViewById<View>(R.id.main).setOnClickListener {
+            toggleToolbar()
+        }
+
+        // 上一台
+        btnPrev.setOnClickListener { switchChannel(false) }
+        btnPrev.setOnLongClickListener {
+            showChannelPanel()
+            true
+        }
+
+        // 下一台
+        btnNext.setOnClickListener { switchChannel(true) }
+        btnNext.setOnLongClickListener {
+            showChannelPanel()
+            true
+        }
+
+        // 换台反转
+        btnToggleReverse.setOnClickListener {
+            isReverseOrder = !isReverseOrder
+            getSharedPreferences(PREFS_NAME, MODE_PRIVATE)
+                .edit().putBoolean(KEY_REVERSE, isReverseOrder).apply()
+            updateReverseButton()
+            Toast.makeText(this, if (isReverseOrder) "已反转换台方向" else "已恢复默认方向", Toast.LENGTH_SHORT).show()
+            refreshToolbar()
+        }
+
+        // 频道列表
+        btnShowList.setOnClickListener { showChannelPanel() }
+
+        // 设置
+        btnSettings.setOnClickListener { showConfigDialog() }
+
+        // 频道面板关闭
+        channelPanelClose.setOnClickListener { hideChannelPanel() }
+
+        // 频道列表点击
+        channelListView.onItemClickListener = AdapterView.OnItemClickListener { _, _, position, _ ->
+            val channels = ChannelManager.loadChannels(this)
+            if (position in channels.indices) {
+                ChannelManager.saveCurrentIndex(this@MainActivity, position)
+                playChannel(channels[position])
+                hideChannelPanel()
+            }
+        }
+    }
+
+    // ======================== 工具栏 ========================
+
+    private fun toggleToolbar() {
+        if (channelPanel.visibility == View.VISIBLE) return
+        if (isToolbarShowing) {
+            hideToolbar()
+        } else {
+            showToolbar()
+        }
+    }
+
+    private fun showToolbar() {
+        refreshToolbar()
+        bottomToolbar.visibility = View.VISIBLE
+        isToolbarShowing = true
+        mainHandler.removeCallbacks(hideToolbarRunnable)
+        mainHandler.postDelayed(hideToolbarRunnable, TOOLBAR_DURATION_MS)
+    }
+
+    private fun hideToolbar() {
+        bottomToolbar.visibility = View.GONE
+        isToolbarShowing = false
+        mainHandler.removeCallbacks(hideToolbarRunnable)
+    }
+
+    private fun refreshToolbar() {
+        val channel = ChannelManager.getCurrentChannel()
+        val total = ChannelManager.getChannelCount()
+        val num = ChannelManager.currentIndex + 1
+        toolbarIndicator.text = if (channel != null) "$num/$total ${channel.name}" else "无频道"
+    }
+
+    // ======================== 频道列表面板 ========================
+
+    private fun showChannelPanel() {
+        hideToolbar()
+        val channels = ChannelManager.loadChannels(this)
+        if (channels.isEmpty()) {
+            Toast.makeText(this, "没有频道", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        val names = channels.mapIndexed { index, ch ->
+            val prefix = if (index == ChannelManager.currentIndex) "▶ " else "  "
+            "$prefix${index + 1}. ${ch.name}"
+        }
+        val adapter = ArrayAdapter(this, android.R.layout.simple_list_item_1, names)
+        channelListView.adapter = adapter
+        channelListView.setSelection(ChannelManager.currentIndex)
+
+        channelPanel.visibility = View.VISIBLE
+        channelListView.requestFocus()
+    }
+
+    private fun hideChannelPanel() {
+        channelPanel.visibility = View.GONE
+    }
+
+    // ======================== 反转按钮 ========================
+
+    private fun updateReverseButton() {
+        btnToggleReverse.alpha = if (isReverseOrder) 1.0f else 0.4f
+    }
+
+    // ======================== 按键 & 触摸 ========================
+
+    override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
+        return when (keyCode) {
+            KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_CHANNEL_UP -> {
+                if (channelPanel.visibility == View.VISIBLE) {
+                    event?.let { channelListView.dispatchKeyEvent(it) }
+                    return true
+                }
+                switchChannel(true)
+                true
+            }
+            KeyEvent.KEYCODE_DPAD_DOWN, KeyEvent.KEYCODE_CHANNEL_DOWN -> {
+                if (channelPanel.visibility == View.VISIBLE) {
+                    event?.let { channelListView.dispatchKeyEvent(it) }
+                    return true
+                }
+                switchChannel(false)
+                true
+            }
+            KeyEvent.KEYCODE_DPAD_CENTER, KeyEvent.KEYCODE_ENTER -> {
+                if (channelPanel.visibility == View.VISIBLE) {
+                    // 选中当前项
+                    val pos = channelListView.selectedItemPosition
+                    if (pos >= 0) {
+                        channelListView.performItemClick(null, pos, 0)
+                    }
+                    return true
+                }
+                showChannelName()
+                true
+            }
+            KeyEvent.KEYCODE_BACK -> {
+                if (channelPanel.visibility == View.VISIBLE) {
+                    hideChannelPanel()
+                    return true
+                }
+                if (isToolbarShowing) {
+                    hideToolbar()
+                    return true
+                }
+                super.onKeyDown(keyCode, event)
+            }
+            KeyEvent.KEYCODE_SETTINGS, KeyEvent.KEYCODE_MENU -> {
+                showConfigDialog()
+                true
+            }
+            else -> super.onKeyDown(keyCode, event)
+        }
+    }
+
+    // ======================== 配置 ========================
+
+    private fun showConfigDialog() {
+        val configDialog = ConfigDialogFragment()
+        configDialog.show(supportFragmentManager, "config_dialog")
+    }
+
+    fun onConfigSaved(url: String) {
+        val prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE)
+        prefs.edit().putString(KEY_SOURCE_URL, url).putBoolean(KEY_HAS_CONFIG, true).apply()
+        ChannelManager.saveSourceUrl(this, url)
+        startPlayback()
+    }
+
+    fun onLocalFileSelected(filePath: String) {
+        try {
+            val file = File(filePath)
+            if (file.exists()) {
+                val lines = mutableListOf<String>()
+                BufferedReader(FileReader(file)).use { reader ->
+                    reader.forEachLine { lines.add(it) }
+                }
+                ChannelManager.saveChannels(this, lines)
+                startPlayback()
+            }
+        } catch (e: Exception) {
+            Toast.makeText(this, "读取文件失败: ${e.message}", Toast.LENGTH_LONG).show()
+        }
+    }
+
+    // ======================== 播放逻辑 ========================
+
+    fun startPlayback() {
+        val prefs = getSharedPreferences(PREFS_NAME, MODE_PRIVATE)
+        val hasConfig = prefs.getBoolean(KEY_HAS_CONFIG, false)
+
+        if (!hasConfig) {
+            showConfigDialog()
+            return
+        }
+
+        hasShownNetworkRetryToast = false
+
+        val channels = ChannelManager.loadChannels(this)
+        if (channels.isNotEmpty()) {
+            playChannel(ChannelManager.getCurrentChannel()!!)
+        } else {
+            loadingOverlay.visibility = View.VISIBLE
+            loadingText.text = "正在加载频道列表..."
+            loadingText.visibility = View.VISIBLE
+        }
+
+        val sourceUrl = ChannelManager.getSavedSourceUrl(this)
+        if (sourceUrl != null) {
+            executor.execute {
+                downloadAndUpdateSource(sourceUrl)
+            }
+        }
+    }
+
+    private fun downloadAndUpdateSource(sourceUrl: String) {
+        try {
+            val url = URL(sourceUrl)
+            val conn = url.openConnection() as HttpURLConnection
+            conn.connectTimeout = TIMEOUT_MS
+            conn.readTimeout = TIMEOUT_MS
+            conn.instanceFollowRedirects = true
+
+            val responseCode = conn.responseCode
+            if (responseCode == HttpURLConnection.HTTP_OK) {
+                val lines = mutableListOf<String>()
+                BufferedReader(InputStreamReader(conn.inputStream, "UTF-8")).use { reader ->
+                    reader.forEachLine { lines.add(it) }
+                }
+                if (lines.isNotEmpty()) {
+                    val channelCountBefore = ChannelManager.getChannelCount()
+                    ChannelManager.saveChannels(this, lines)
+                    val newCount = ChannelManager.getChannelCount()
+                    mainHandler.post {
+                        if (channelCountBefore == 0 && newCount > 0) {
+                            playChannel(ChannelManager.getCurrentChannel()!!)
+                        } else {
+                            showChannelName()
+                        }
+                    }
+                }
+            } else {
+                mainHandler.post {
+                    Toast.makeText(this@MainActivity, "下载源失败: HTTP $responseCode", Toast.LENGTH_SHORT).show()
+                }
+            }
+            conn.disconnect()
+        } catch (e: Exception) {
+            e.printStackTrace()
+            if (ChannelManager.getChannelCount() == 0) {
+                if (!hasShownNetworkRetryToast) {
+                    hasShownNetworkRetryToast = true
+                    mainHandler.post {
+                        Toast.makeText(this@MainActivity, "无法连接服务器，将在后台继续尝试...", Toast.LENGTH_LONG).show()
+                    }
+                }
+                mainHandler.postDelayed({
+                    executor.execute { downloadAndUpdateSource(sourceUrl) }
+                }, NETWORK_DELAY_MS)
+            } else {
+                mainHandler.post {
+                    Toast.makeText(this@MainActivity, "更新源失败，使用缓存", Toast.LENGTH_SHORT).show()
+                }
+            }
+        }
+    }
+
+    // 加载超时 Runnable
+    private var loadingTimeoutRunnable: Runnable? = null
+
+    private fun showSwitchingIndicator() {
+        val total = ChannelManager.getChannelCount()
+        val num = ChannelManager.currentIndex + 1
+        switchingChannelNum.text = "$num"
+        switchingChannelTotal.text = "/$total"
+        switchingStatus.text = ""
+        switchingIndicator.visibility = View.VISIBLE
+    }
+
+    private fun showSwitchingStatus(text: String) {
+        switchingStatus.text = text
+        switchingIndicator.visibility = View.VISIBLE
+    }
+
+    private fun hideSwitchingIndicator() {
+        switchingIndicator.visibility = View.GONE
+    }
+
+    private fun startLoadingTimeout() {
+        cancelLoadingTimeout()
+        loadingTimeoutRunnable = Runnable {
+            // 加载超时，自动随机跳到另一个台（避免两个坏台间死循环）
+            showSwitchingStatus("超时，随机切换")
+            player?.stop()
+            mainHandler.postDelayed({
+                autoNextChannel()
+            }, 500L)
+        }
+        loadingTimeoutRunnable?.let {
+            mainHandler.postDelayed(it, LOADING_TIMEOUT_MS)
+        }
+    }
+
+    private fun cancelLoadingTimeout() {
+        loadingTimeoutRunnable?.let { mainHandler.removeCallbacks(it) }
+        loadingTimeoutRunnable = null
+    }
+
+    private fun playChannel(channel: ChannelInfo) {
+        loadingOverlay.visibility = View.VISIBLE
+        loadingText.text = "加载中..."
+        loadingText.visibility = View.VISIBLE
+        retryCount = 0
+        hideToolbar()
+
+        // 显示左上角切换指示（频道序号）
+        showSwitchingIndicator()
+
+        // 启动加载超时定时器
+        startLoadingTimeout()
+
+        player?.release()
+        player = ExoPlayer.Builder(this).build().apply {
+            setMediaItem(MediaItem.fromUri(Uri.parse(channel.url)))
+            prepare()
+            playWhenReady = true
+            addListener(object : Player.Listener {
+                override fun onPlaybackStateChanged(playbackState: Int) {
+                    if (playbackState == Player.STATE_READY) {
+                        cancelLoadingTimeout()
+                        hideSwitchingIndicator()
+                        loadingOverlay.visibility = View.GONE
+                        loadingText.visibility = View.GONE
+                        showChannelName()
+                    }
+                }
+
+                override fun onPlayerError(error: PlaybackException) {
+                    cancelLoadingTimeout()
+                    loadingOverlay.visibility = View.GONE
+                    loadingText.visibility = View.GONE
+                    if (retryCount < maxRetries) {
+                        retryCount++
+                        showSwitchingStatus("重试 $retryCount/$maxRetries")
+                        mainHandler.postDelayed({
+                            player?.seekTo(0)
+                            player?.prepare()
+                            // 重新设定加载超时（重试也算）
+                            startLoadingTimeout()
+                        }, 1000L)
+                    } else {
+                        showSwitchingStatus("加载失败，随机切换")
+                        mainHandler.postDelayed({
+                            autoNextChannel()
+                        }, 800L)
+                    }
+                }
+            })
+        }
+        playerView.player = player
+        ChannelManager.saveCurrentIndex(this, ChannelManager.currentIndex)
+    }
+
+    private fun switchChannel(next: Boolean) {
+        val channel = if (isReverseOrder xor next) {
+            ChannelManager.prevChannel()
+        } else {
+            ChannelManager.nextChannel()
+        }
+        if (channel != null) {
+            playChannel(channel)
+        }
+    }
+
+    private fun autoNextChannel() {
+        val channels = ChannelManager.loadChannels(this)
+        if (channels.isEmpty()) return
+        if (channels.size == 1) {
+            playChannel(channels[0])
+            return
+        }
+        // 随机跳到另一个台，避免在两个坏台间无限循环
+        var nextIndex: Int
+        do {
+            nextIndex = (0 until channels.size).random()
+        } while (nextIndex == ChannelManager.currentIndex && channels.size > 1)
+
+        ChannelManager.saveCurrentIndex(this, nextIndex)
+        ChannelManager.getChannel(nextIndex)?.let { playChannel(it) }
+    }
+
+    private fun showChannelName() {
+        val channel = ChannelManager.getCurrentChannel()
+        if (channel != null) {
+            val total = ChannelManager.getChannelCount()
+            val num = ChannelManager.currentIndex + 1
+            channelNameOverlay.text = "[$num/$total] " + channel.name
+            channelNameOverlay.visibility = View.VISIBLE
+            mainHandler.removeCallbacks(hideChannelNameRunnable)
+            mainHandler.postDelayed(hideChannelNameRunnable, CHANNEL_NAME_DURATION_MS)
+            refreshToolbar()
+        }
+    }
+
+    // ======================== 网络回调 ========================
+
+    private fun registerNetworkCallback() {
+        val connectivityManager = getSystemService(CONNECTIVITY_SERVICE) as ConnectivityManager
+        val builder = NetworkRequest.Builder()
+            .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
+        connectivityManager.registerNetworkCallback(builder.build(), object : ConnectivityManager.NetworkCallback() {
+            override fun onAvailable(network: Network) {
+                val sourceUrl = ChannelManager.getSavedSourceUrl(this@MainActivity)
+                if (sourceUrl != null && ChannelManager.getChannelCount() > 0) {
+                    executor.execute {
+                        downloadAndUpdateSource(sourceUrl)
+                    }
+                }
+            }
+        })
+    }
+
+    // ======================== 生命周期 ========================
+
+    override fun onResume() {
+        super.onResume()
+        player?.play()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        player?.pause()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        player?.release()
+        executor.shutdown()
+        mainHandler.removeCallbacksAndMessages(null)
     }
 }

app/src/main/res/drawable/ic_launcher_background.xml

@@ -1,170 +1,10 @@
-<?xml version="1.0" encoding="utf-8"?>
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="108dp"
     android:height="108dp"
     android:viewportWidth="108"
     android:viewportHeight="108">
+    <!-- 纯深蓝色背景 -->
     <path
-        android:fillColor="#3DDC84"
+        android:fillColor="#0D47A1"
         android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
 </vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -1,30 +1,30 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
     android:width="108dp"
     android:height="108dp"
     android:viewportWidth="108"
     android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+    <!-- 背景色（深蓝圆角方块） -->
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
     <path
-        android:fillColor="#FFFFFF"
+        android:pathData="M14,24 L94,24 Q100,24 100,30 L100,86 Q100,92 94,92 L14,92 Q8,92 8,86 L8,30 Q8,24 14,24 Z"
-        android:fillType="nonZero"
+        android:fillColor="#1565C0" />
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+    <!-- 屏幕高光（内部梯形） -->
-        android:strokeWidth="1"
+    <path
-        android:strokeColor="#00000000" />
+        android:pathData="M15,28 L93,28 L93,76 L15,76 Z"
+        android:fillColor="#1976D2" />
+    <!-- 屏幕浅色区域 -->
+    <path
+        android:pathData="M18,32 L90,32 Q91,32 91,33 L91,74 Q91,75 90,75 L18,75 Q17,75 17,74 L17,33 Q17,32 18,32 Z"
+        android:fillColor="#42A5F5" />
+    <!-- 播放按钮（白色三角） -->
+    <path
+        android:pathData="M42,42 L42,66 L68,54 Z"
+        android:fillColor="#FFFFFF" />
+    <!-- 底座 -->
+    <path
+        android:pathData="M44,92 L64,92 L64,98 L44,98 Z"
+        android:fillColor="#1565C0" />
+    <!-- 底座阴影 -->
+    <path
+        android:pathData="M42,98 L66,98 L66,100 L42,100 Z"
+        android:fillColor="#0D47A1" />
 </vector>

app/src/main/res/layout/activity_main.xml

@@ -1,19 +1,232 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/main"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    android:keepScreenOn="true">
+
+    <!-- 视频播放器（隐藏默认控制器） -->
+    <androidx.media3.ui.PlayerView
+        android:id="@+id/player_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@android:color/black"
+        app:use_controller="false" />
+
+    <!-- 右上角频道名 -->
+    <TextView
+        android:id="@+id/channel_name_overlay"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="top|end"
+        android:layout_marginTop="20dp"
+        android:layout_marginEnd="20dp"
+        android:background="#88000000"
+        android:padding="12dp"
+        android:textColor="#FFFFFF"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        android:visibility="gone" />
+
+    <!-- 左上角切换指示（频道序号 + 状态） -->
+    <LinearLayout
+        android:id="@+id/switching_indicator"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="top|start"
+        android:layout_marginTop="20dp"
+        android:layout_marginStart="20dp"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        android:visibility="gone">
+
+        <TextView
+            android:id="@+id/switching_channel_num"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="#FFFF00"
+            android:textSize="56sp"
+            android:textStyle="bold" />
+
+        <TextView
+            android:id="@+id/switching_channel_total"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="4dp"
+            android:paddingTop="20dp"
+            android:textColor="#FFFF00"
+            android:textSize="18sp" />
+
+        <TextView
+            android:id="@+id/switching_status"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:paddingTop="18dp"
+            android:textColor="#FFCC00"
+            android:textSize="16sp" />
+    </LinearLayout>
+
+    <!-- 加载中遮罩 -->
+    <View
+        android:id="@+id/loading_overlay"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#FF000000"
+        android:visibility="gone" />
 
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:layout_gravity="center"
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:text="加载中..."
-        app:layout_constraintEnd_toEndOf="parent"
+        android:textColor="#FFFFFF"
-        app:layout_constraintStart_toStartOf="parent"
+        android:textSize="18sp"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:id="@+id/loading_text"
+        android:visibility="gone" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <!-- ============ 频道列表覆盖层 ============ -->
+    <LinearLayout
+        android:id="@+id/channel_panel"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#CC000000"
+        android:orientation="vertical"
+        android:visibility="gone">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="56dp"
+            android:background="#88000000"
+            android:gravity="center_vertical">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:layout_marginStart="20dp"
+                android:text="频道列表"
+                android:textColor="#FFFFFF"
+                android:textSize="20sp"
+                android:textStyle="bold" />
+
+            <TextView
+                android:id="@+id/channel_panel_close"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentEnd="true"
+                android:layout_centerVertical="true"
+                android:layout_marginEnd="20dp"
+                android:background="?attr/selectableItemBackground"
+                android:padding="12dp"
+                android:text="✕ 关闭"
+                android:textColor="#FFAAAA"
+                android:textSize="16sp" />
+
+        </RelativeLayout>
+
+        <ListView
+            android:id="@+id/channel_list_view"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:background="#00000000"
+            android:cacheColorHint="#00000000"
+            android:divider="#33FFFFFF"
+            android:dividerHeight="1dp"
+            android:scrollbars="vertical" />
+
+    </LinearLayout>
+
+    <!-- ============ 底部工具栏 ============ -->
+    <LinearLayout
+        android:id="@+id/bottom_toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:layout_gravity="bottom"
+        android:background="#CC000000"
+        android:gravity="center"
+        android:orientation="horizontal"
+        android:paddingHorizontal="8dp"
+        android:visibility="gone">
+
+        <!-- 上一台 -->
+        <ImageButton
+            android:id="@+id/btn_prev_channel"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="4dp"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:scaleType="center"
+            android:src="@android:drawable/ic_media_previous"
+            android:contentDescription="上一台" />
+
+        <!-- 下一台 -->
+        <ImageButton
+            android:id="@+id/btn_next_channel"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="4dp"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:scaleType="center"
+            android:src="@android:drawable/ic_media_next"
+            android:contentDescription="下一台" />
+
+        <!-- 间隔 -->
+        <View
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_weight="1" />
+
+        <!-- 频道指示器 -->
+        <TextView
+            android:id="@+id/toolbar_channel_indicator"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="12dp"
+            android:gravity="center"
+            android:textColor="#FFFFFF"
+            android:textSize="14sp" />
+
+        <View
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_weight="1" />
+
+        <!-- 换台反转 -->
+        <ImageButton
+            android:id="@+id/btn_toggle_reverse"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="4dp"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:scaleType="center"
+            android:src="@android:drawable/ic_menu_sort_by_size"
+            android:contentDescription="换台反转" />
+
+        <!-- 频道列表 -->
+        <ImageButton
+            android:id="@+id/btn_show_list"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="4dp"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:scaleType="center"
+            android:src="@android:drawable/ic_menu_agenda"
+            android:contentDescription="频道列表" />
+
+        <!-- 设置 -->
+        <ImageButton
+            android:id="@+id/btn_settings"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="4dp"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:scaleType="center"
+            android:src="@android:drawable/ic_menu_manage"
+            android:contentDescription="设置" />
+
+    </LinearLayout>
+
+</FrameLayout>

app/src/main/res/values-night/themes.xml

@@ -1,7 +1,8 @@
-<resources xmlns:tools="http://schemas.android.com/tools">
+<?xml version="1.0" encoding="utf-8"?>
-    <!-- Base application theme. -->
+<resources>
-    <style name="Base.Theme.FengTv" parent="Theme.Material3.DayNight.NoActionBar">
+    <style name="Theme.FengTv" parent="Theme.AppCompat.NoActionBar">
-        <!-- Customize your dark theme here. -->
+        <item name="android:windowFullscreen">true</item>
-        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowBackground">@android:color/black</item>
     </style>
 </resources>

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

@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">FengTv</string>
+    <string name="app_name">FengTV</string>
 </resources>

app/src/main/res/values/themes.xml

@@ -1,9 +1,8 @@
-<resources xmlns:tools="http://schemas.android.com/tools">
+<?xml version="1.0" encoding="utf-8"?>
-    <!-- Base application theme. -->
+<resources>
-    <style name="Base.Theme.FengTv" parent="Theme.Material3.DayNight.NoActionBar">
+    <style name="Theme.FengTv" parent="Theme.AppCompat.NoActionBar">
-        <!-- Customize your light theme here. -->
+        <item name="android:windowFullscreen">true</item>
-        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowBackground">@android:color/black</item>
     </style>
-
-    <style name="Theme.FengTv" parent="Base.Theme.FengTv" />
 </resources>

gradle.properties

@@ -1,23 +1,8 @@
 # Project-wide Gradle settings.
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-# For more details on how to configure your build environment visit
-# http://www.gradle.org/docs/current/userguide/build_environment.html
-# Specifies the JVM arguments used for the daemon process.
-# The setting is particularly useful for tweaking memory settings.
 org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
-# When configured, Gradle will run in incubating parallel mode.
+org.gradle.java.home=C\:/Program Files/Java/jdk-17
-# This option should only be used with decoupled projects. For more details, visit
-# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
-# org.gradle.parallel=true
-# AndroidX package structure to make it clearer which packages are bundled with the
-# Android operating system, and which are packaged with your app's APK
-# https://developer.android.com/topic/libraries/support-library/androidx-rn
 android.useAndroidX=true
-# Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
-# Enables namespacing of each library's R class so that its R class includes only the
-# resources declared in the library itself and none from the library's dependencies,
-# thereby reducing the size of the R class for that library
 android.nonTransitiveRClass=true
+systemProp.gradle.wrapperUser=
+systemProp.gradle.wrapperPassword=

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
-agp = "8.4.0-rc02"
+agp = "8.4.0"
-kotlin = "1.9.0"
+kotlin = "1.9.22"
 coreKtx = "1.10.1"
 junit = "4.13.2"
 junitVersion = "1.1.5"
@@ -9,6 +9,7 @@ appcompat = "1.6.1"
 material = "1.10.0"
 activity = "1.8.0"
 constraintlayout = "2.1.4"
+media3 = "1.2.1"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -19,8 +20,10 @@ androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version
 material = { group = "com.google.android.material", name = "material", version.ref = "material" }
 androidx-activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
 androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
+androidx-media3-exoplayer = { group = "androidx.media3", name = "media3-exoplayer", version.ref = "media3" }
+androidx-media3-exoplayer-hls = { group = "androidx.media3", name = "media3-exoplayer-hls", version.ref = "media3" }
+androidx-media3-ui = { group = "androidx.media3", name = "media3-ui", version.ref = "media3" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 jetbrains-kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
-

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Wed Jun 17 14:18:24 CST 2026
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+distributionUrl=https\://mirrors.cloud.tencent.com/gradle/gradle-8.6-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

settings.gradle.kts

@@ -1,5 +1,8 @@
 pluginManagement {
     repositories {
+        maven { setUrl("https://maven.aliyun.com/repository/public") }
+        maven { setUrl("https://maven.aliyun.com/repository/google") }
+        maven { setUrl("https://maven.aliyun.com/repository/gradle-plugin") }
         google {
             content {
                 includeGroupByRegex("com\\.android.*")
@@ -14,6 +17,8 @@ pluginManagement {
 dependencyResolutionManagement {
     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
     repositories {
+        maven { setUrl("https://maven.aliyun.com/repository/public") }
+        maven { setUrl("https://maven.aliyun.com/repository/google") }
         google()
         mavenCentral()
     }