optimize channel switch

README.md

@@ -14,6 +14,15 @@
 
 ## 更新日志
 
+### v1.4.7（高版本专用）
+
+* 修复部分用户cctv13播放过程中卡住的问题
+* 调整cctv的频道顺序
+
+### v1.4.6（通用版）
+
+* 10以下频道不再需要先按0
+
 ### v1.4.5（高版本专用）
 
 * 数字选台配置

app/build.gradle

@@ -101,7 +101,7 @@ dependencies {
     implementation "androidx.media3:media3-exoplayer-hls:$media3_version"
 
     // 21:2.9.0 17:2.6.4
-    def retrofit2_version = "2.9.0"
+    def retrofit2_version = "2.6.4"
 
     implementation 'com.google.protobuf:protobuf-kotlin:3.25.1'
     implementation "com.squareup.retrofit2:converter-gson:$retrofit2_version"

app/src/main/java/com/lizongying/mytv/CardAdapter.kt

@@ -0,0 +1,112 @@
+package com.lizongying.mytv
+
+import android.graphics.Color
+import android.util.Log
+import android.view.ContextThemeWrapper
+import android.view.View
+import android.view.ViewGroup
+import android.view.animation.ScaleAnimation
+import android.widget.ImageView
+import androidx.leanback.widget.ImageCardView
+import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.lizongying.mytv.models.TVListViewModel
+import com.lizongying.mytv.models.TVViewModel
+
+
+class CardAdapter(private val owner: LifecycleOwner, private var tvListViewModel: TVListViewModel) :
+    RecyclerView.Adapter<CardAdapter.ViewHolder>() {
+
+    private var listener: ItemListener? = null
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        val cardView = object :
+            ImageCardView(ContextThemeWrapper(parent.context, R.style.CustomImageCardTheme)) {}
+        startScaleAnimation(cardView, 1.0f, 0.9f)
+        cardView.isFocusable = true
+        cardView.isFocusableInTouchMode = true
+
+        return ViewHolder(cardView)
+    }
+
+    private fun startScaleAnimation(view: View, fromScale: Float, toScale: Float) {
+        val scaleAnimation = ScaleAnimation(
+            fromScale, toScale,
+            fromScale, toScale,
+            ScaleAnimation.RELATIVE_TO_SELF, 0.5f,
+            ScaleAnimation.RELATIVE_TO_SELF, 0.5f
+        )
+        scaleAnimation.duration = 200
+        scaleAnimation.fillAfter = true
+
+        view.startAnimation(scaleAnimation)
+    }
+
+    override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
+        val item = tvListViewModel.getTVViewModel(position)
+
+        val tvViewModel = item as TVViewModel
+        val cardView = viewHolder.view as ImageCardView
+
+        cardView.setOnFocusChangeListener { _, hasFocus ->
+            listener?.onItemFocusChange(item, hasFocus)
+            if (hasFocus) {
+                startScaleAnimation(cardView, 0.9f, 1.0f)
+            } else {
+                startScaleAnimation(cardView, 1.0f, 0.9f)
+            }
+        }
+
+        cardView.setOnClickListener { _ ->
+            listener?.onItemClicked(item)
+        }
+
+        cardView.titleText = tvViewModel.title.value
+        cardView.tag = tvViewModel.videoUrl.value
+
+        if (tvViewModel.logo.value != null) {
+            if (tvViewModel.title.value == "CCTV8K 超高清") {
+                Glide.with(viewHolder.view.context)
+                    .load(R.drawable.cctv8k)
+                    .centerInside()
+                    .into(cardView.mainImageView)
+            } else {
+                Glide.with(viewHolder.view.context)
+                    .load(tvViewModel.logo.value)
+                    .centerInside()
+                    .into(cardView.mainImageView)
+            }
+
+            cardView.mainImageView.setBackgroundColor(Color.WHITE)
+            cardView.setMainImageScaleType(ImageView.ScaleType.CENTER_INSIDE)
+        }
+
+        tvViewModel.program.observe(owner) { _ ->
+            val program = tvViewModel.getProgramOne()
+            if (program != null) {
+                cardView.contentText = program.name
+            }
+        }
+    }
+
+    override fun getItemCount() = tvListViewModel.size()
+
+    class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        val view = itemView
+    }
+
+    interface ItemListener {
+        fun onItemFocusChange(tvViewModel: TVViewModel, hasFocus: Boolean)
+        fun onItemClicked(tvViewModel: TVViewModel)
+    }
+
+    fun setItemListener(listener: ItemListener) {
+        this.listener = listener
+    }
+
+    companion object {
+        private const val TAG = "CardAdapter"
+    }
+}
+

app/src/main/java/com/lizongying/mytv/ChannelFragment.kt

@@ -2,7 +2,6 @@ package com.lizongying.mytv
 
 import android.os.Bundle
 import android.os.Handler
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -16,49 +15,52 @@ class ChannelFragment : Fragment() {
 
     private val handler = Handler()
     private val delay: Long = 3000
+    private var channel = 0
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View {
         _binding = ChannelBinding.inflate(inflater, container, false)
+        _binding!!.root.visibility = View.GONE
         (activity as MainActivity).fragmentReady()
         return binding.root
     }
 
     fun show(tvViewModel: TVViewModel) {
+        handler.removeCallbacks(hideRunnable)
+        handler.removeCallbacks(playRunnable)
         binding.channelContent.text = tvViewModel.id.value.toString()
-        handler.removeCallbacks(removeRunnable)
         view?.visibility = View.VISIBLE
-        handler.postDelayed(removeRunnable, delay)
+        handler.postDelayed(hideRunnable, delay)
     }
 
     fun show(channel: String) {
+        this.channel = "${binding.channelContent.text}$channel".toInt()
+        handler.removeCallbacks(hideRunnable)
+        handler.removeCallbacks(playRunnable)
         if (binding.channelContent.text == "") {
             binding.channelContent.text = channel
-            handler.removeCallbacks(removeRunnable)
             view?.visibility = View.VISIBLE
-            handler.postDelayed(removeRunnable, delay)
+            handler.postDelayed(playRunnable, delay)
         } else {
-            val ch = "${binding.channelContent.text}$channel".toInt()
-            Log.i(TAG, "channel $ch")
-            (activity as MainActivity).play(ch)
-            binding.channelContent.text = ""
-            view?.visibility = View.GONE
+            handler.postDelayed(playRunnable, 0)
         }
     }
 
-    override fun onResume() {
-        super.onResume()
-        handler.postDelayed(removeRunnable, delay)
-    }
-
     override fun onPause() {
         super.onPause()
-        handler.removeCallbacks(removeRunnable)
+        handler.removeCallbacks(hideRunnable)
+        handler.removeCallbacks(playRunnable)
     }
 
-    private val removeRunnable = Runnable {
+    private val hideRunnable = Runnable {
+        binding.channelContent.text = ""
+        view?.visibility = View.GONE
+    }
+
+    private val playRunnable = Runnable {
+        (activity as MainActivity).play(channel)
         binding.channelContent.text = ""
         view?.visibility = View.GONE
     }

app/src/main/java/com/lizongying/mytv/InfoFragment.kt

@@ -23,17 +23,11 @@ class InfoFragment : Fragment() {
         savedInstanceState: Bundle?
     ): View {
         _binding = InfoBinding.inflate(inflater, container, false)
+        _binding!!.root.visibility = View.GONE
         (activity as MainActivity).fragmentReady()
         return binding.root
     }
 
-    override fun onResume() {
-        super.onResume()
-
-        // Use a Handler to delay the fragment transaction
-        handler.postDelayed(removeRunnable, delay)
-    }
-
     fun show(tvViewModel: TVViewModel) {
         binding.textView.text = tvViewModel.title.value
         if (tvViewModel.title.value == "CCTV8K 超高清") {
@@ -56,10 +50,13 @@ class InfoFragment : Fragment() {
         handler.postDelayed(removeRunnable, delay)
     }
 
+    override fun onResume() {
+        super.onResume()
+        handler.postDelayed(removeRunnable, delay)
+    }
+
     override fun onPause() {
         super.onPause()
-        Log.i(TAG, "onPause")
-        // Cancel the delayed task when the fragment is paused
         handler.removeCallbacks(removeRunnable)
     }
 

app/src/main/java/com/lizongying/mytv/MainActivity.kt

@@ -28,6 +28,7 @@ class MainActivity : FragmentActivity() {
     private val mainFragment = MainFragment()
     private val infoFragment = InfoFragment()
     private val channelFragment = ChannelFragment()
+    private lateinit var settingFragment: SettingFragment
 
     private var doubleBackToExitPressedOnce = false
 
@@ -42,7 +43,6 @@ class MainActivity : FragmentActivity() {
     private var channelNum = true
 
     private var versionName = ""
-    private lateinit var dialogFragment: MyDialogFragment
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -58,8 +58,7 @@ class MainActivity : FragmentActivity() {
                 .add(R.id.main_browse_fragment, infoFragment)
                 .add(R.id.main_browse_fragment, channelFragment)
                 .add(R.id.main_browse_fragment, mainFragment)
-                .hide(infoFragment)
-                .hide(channelFragment)
+                .hide(mainFragment)
                 .commit()
             mainFragment.view?.requestFocus()
         }
@@ -70,7 +69,7 @@ class MainActivity : FragmentActivity() {
         channelNum = sharedPref.getBoolean(CHANNEL_NUM, channelNum)
 
         versionName = getPackageInfo().versionName
-        dialogFragment = MyDialogFragment(versionName, channelReversal, channelNum)
+        settingFragment = SettingFragment(versionName, channelReversal, channelNum)
     }
 
     fun showInfoFragment(tvViewModel: TVViewModel) {
@@ -80,6 +79,20 @@ class MainActivity : FragmentActivity() {
         }
     }
 
+    private fun showChannel(channel: String) {
+        if (!mainFragment.isHidden) {
+            return
+        }
+
+        if (settingFragment.isVisible) {
+            return
+        }
+
+        if (channelNum) {
+            channelFragment.show(channel)
+        }
+    }
+
     fun play(tvViewModel: TVViewModel) {
         playerFragment.play(tvViewModel)
         mainFragment.view?.requestFocus()
@@ -109,6 +122,7 @@ class MainActivity : FragmentActivity() {
         val transaction = supportFragmentManager.beginTransaction()
 
         if (mainFragment.isHidden) {
+            mainFragment.setPosition()
             transaction.show(mainFragment)
             keepRunnable()
         } else {
@@ -214,20 +228,20 @@ class MainActivity : FragmentActivity() {
             return
         }
 
-        Log.i(TAG, "dialogFragment ${dialogFragment.isVisible}")
-        if (!dialogFragment.isVisible) {
-            dialogFragment.show(supportFragmentManager, "settings_dialog")
+        Log.i(TAG, "settingFragment ${settingFragment.isVisible}")
+        if (!settingFragment.isVisible) {
+            settingFragment.show(supportFragmentManager, "setting")
             handler.removeCallbacks(hideHelp)
             handler.postDelayed(hideHelp, delayHideHelp)
         } else {
             handler.removeCallbacks(hideHelp)
-            dialogFragment.dismiss()
+            settingFragment.dismiss()
         }
     }
 
     private val hideHelp = Runnable {
-        if (dialogFragment.isVisible) {
-            dialogFragment.dismiss()
+        if (settingFragment.isVisible) {
+            settingFragment.dismiss()
         }
     }
 
@@ -283,20 +297,6 @@ class MainActivity : FragmentActivity() {
         }, 2000)
     }
 
-    private fun showChannel(channel: String) {
-        if (!mainFragment.isHidden) {
-            return
-        }
-
-        if (dialogFragment.isVisible) {
-            return
-        }
-
-        if (channelNum) {
-            channelFragment.show(channel)
-        }
-    }
-
     override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
         when (keyCode) {
             KeyEvent.KEYCODE_0 -> {

app/src/main/java/com/lizongying/mytv/MainFragment.kt

@@ -6,120 +6,252 @@ import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
 import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
 import android.widget.Toast
-import androidx.leanback.app.BrowseSupportFragment
-import androidx.leanback.widget.ArrayObjectAdapter
-import androidx.leanback.widget.HeaderItem
-import androidx.leanback.widget.ListRow
-import androidx.leanback.widget.ListRowPresenter
-import androidx.leanback.widget.ListRowPresenter.SelectItemViewHolderTask
-import androidx.leanback.widget.OnItemViewClickedListener
-import androidx.leanback.widget.OnItemViewSelectedListener
-import androidx.leanback.widget.Presenter
-import androidx.leanback.widget.Row
-import androidx.leanback.widget.RowPresenter
+import androidx.fragment.app.Fragment
 import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.lizongying.mytv.Utils.dpToPx
 import com.lizongying.mytv.Utils.getDateTimestamp
+import com.lizongying.mytv.databinding.RowBinding
+import com.lizongying.mytv.databinding.ShowBinding
 import com.lizongying.mytv.models.TVListViewModel
 import com.lizongying.mytv.models.TVViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
+class MainFragment : Fragment(), CardAdapter.ItemListener {
 
-class MainFragment : BrowseSupportFragment() {
-    var itemPosition: Int = 0
+    private var itemPosition = 0
 
-    private var request: Request = Request()
+    private var rowList: MutableList<View> = mutableListOf()
 
-    private var rowsAdapter: ArrayObjectAdapter? = null
+    private var _binding: ShowBinding? = null
+    private val binding get() = _binding!!
+
+    private var request = Request()
 
     var tvListViewModel = TVListViewModel()
 
     private var sharedPref: SharedPreferences? = null
 
-    private var lastVideoUrl: String = ""
+    private var lastVideoUrl = ""
 
     private val handler = Handler(Looper.getMainLooper())
     private lateinit var mUpdateProgramRunnable: UpdateProgramRunnable
 
     private var ready = 0
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        headersState = HEADERS_DISABLED
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        _binding = ShowBinding.inflate(inflater, container, false)
+        return binding.root
     }
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
 
         activity?.let { request.initYSP(it) }
-
         sharedPref = activity?.getPreferences(Context.MODE_PRIVATE)
 
-        loadRows()
+        view?.post {
+            val content = binding.content
 
-        setupEventListeners()
+            var idx: Long = 0
+            for ((k, v) in TVList.list) {
+                val itemBinding: RowBinding =
+                    RowBinding.inflate(layoutInflater, content, false)
 
-        mUpdateProgramRunnable = UpdateProgramRunnable()
-        handler.post(mUpdateProgramRunnable)
-
-        tvListViewModel.getTVListViewModel().value?.forEach { tvViewModel ->
-            tvViewModel.errInfo.observe(viewLifecycleOwner) { _ ->
-                if (tvViewModel.errInfo.value != null
-                    && tvViewModel.id.value == itemPosition
-                ) {
-                    Toast.makeText(context, tvViewModel.errInfo.value, Toast.LENGTH_SHORT).show()
+                val tvListViewModelCurrent = TVListViewModel()
+                for ((idx2, v1) in v.withIndex()) {
+                    val tvViewModel = TVViewModel(v1)
+                    tvViewModel.setRowPosition(idx.toInt())
+                    tvViewModel.setItemPosition(idx2)
+                    tvListViewModelCurrent.addTVViewModel(tvViewModel)
+                    tvListViewModel.addTVViewModel(tvViewModel)
                 }
-            }
-            tvViewModel.ready.observe(viewLifecycleOwner) { _ ->
+                tvListViewModel.maxNum.add(v.size)
 
-                // not first time && channel not change
-                if (tvViewModel.ready.value != null
-                    && tvViewModel.id.value == itemPosition
-                    && check(tvViewModel)
-                ) {
-                    Log.i(TAG, "ready ${tvViewModel.title.value}")
-                    (activity as? MainActivity)?.play(tvViewModel)
-                }
+                val adapter = CardAdapter(viewLifecycleOwner, tvListViewModelCurrent)
+                rowList.add(itemBinding.rowItems)
+
+                adapter.setItemListener(this)
+
+                itemBinding.rowHeader.text = k
+                itemBinding.rowItems.adapter = adapter
+                itemBinding.rowItems.layoutManager =
+                    LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)
+
+                val layoutParams = itemBinding.row.layoutParams as ViewGroup.MarginLayoutParams
+                layoutParams.topMargin = dpToPx(11F)
+                itemBinding.row.layoutParams = layoutParams
+                content.addView(itemBinding.row)
+
+                idx++
             }
-            tvViewModel.change.observe(viewLifecycleOwner) { _ ->
-                if (tvViewModel.change.value != null) {
-                    val title = tvViewModel.title.value
-                    Log.i(TAG, "switch $title")
-                    if (tvViewModel.pid.value != "") {
-                        Log.i(TAG, "request $title ${tvViewModel.pid.value}")
-                        lifecycleScope.launch(Dispatchers.IO) {
-                            tvViewModel.let { request.fetchData(it) }
-                        }
-                        (activity as? MainActivity)?.showInfoFragment(tvViewModel)
-                        setSelectedPosition(
-                            tvViewModel.getRowPosition(), true,
-                            SelectItemViewHolderTask(tvViewModel.getItemPosition())
-                        )
-                    } else {
-                        if (check(tvViewModel)) {
-                            (activity as? MainActivity)?.play(tvViewModel)
+
+            mUpdateProgramRunnable = UpdateProgramRunnable()
+            handler.post(mUpdateProgramRunnable)
+
+            itemPosition = sharedPref?.getInt(POSITION, 0)!!
+            if (itemPosition >= tvListViewModel.size()) {
+                itemPosition = 0
+            }
+            tvListViewModel.setItemPosition(itemPosition)
+            setPosition()
+            tvListViewModel.getTVListViewModel().value?.forEach { tvViewModel ->
+                tvViewModel.errInfo.observe(viewLifecycleOwner) { _ ->
+                    if (tvViewModel.errInfo.value != null
+                        && tvViewModel.id.value == itemPosition
+                    ) {
+                        Toast.makeText(context, tvViewModel.errInfo.value, Toast.LENGTH_SHORT)
+                            .show()
+                    }
+                }
+                tvViewModel.ready.observe(viewLifecycleOwner) { _ ->
+
+                    // not first time && channel not change
+                    if (tvViewModel.ready.value != null
+                        && tvViewModel.id.value == itemPosition
+                        && check(tvViewModel)
+                    ) {
+                        Log.i(TAG, "ready ${tvViewModel.title.value}")
+                        (activity as? MainActivity)?.play(tvViewModel)
+                    }
+                }
+                tvViewModel.change.observe(viewLifecycleOwner) { _ ->
+                    if (tvViewModel.change.value != null) {
+                        val title = tvViewModel.title.value
+                        Log.i(TAG, "switch $title")
+                        if (tvViewModel.pid.value != "") {
+                            Log.i(TAG, "request $title ${tvViewModel.pid.value}")
+                            lifecycleScope.launch(Dispatchers.IO) {
+                                tvViewModel.let { request.fetchData(it) }
+                            }
                             (activity as? MainActivity)?.showInfoFragment(tvViewModel)
-
-                            setSelectedPosition(
-                                tvViewModel.getRowPosition(), true,
-                                SelectItemViewHolderTask(tvViewModel.getItemPosition())
+                            setPosition(
+                                tvViewModel.getRowPosition(), tvViewModel.getItemPosition()
                             )
+                        } else {
+                            if (check(tvViewModel)) {
+                                (activity as? MainActivity)?.play(tvViewModel)
+                                (activity as? MainActivity)?.showInfoFragment(tvViewModel)
+                                setPosition(
+                                    tvViewModel.getRowPosition(), tvViewModel.getItemPosition()
+                                )
+                            }
                         }
                     }
                 }
             }
-        }
 
-        fragmentReady()
+            fragmentReady()
+        }
     }
 
-    override fun onDestroy() {
-        super.onDestroy()
-        handler.removeCallbacks(mUpdateProgramRunnable)
-        with(sharedPref!!.edit()) {
-            putInt("position", itemPosition)
-            apply()
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+    }
+
+    override fun onItemFocusChange(tvViewModel: TVViewModel, hasFocus: Boolean) {
+        if (hasFocus) {
+            tvListViewModel.setItemPositionCurrent(tvViewModel.id.value!!)
+            (activity as MainActivity).keepRunnable()
+        }
+    }
+
+    override fun onItemClicked(tvViewModel: TVViewModel) {
+        if (this.isHidden) {
+            (activity as? MainActivity)?.switchMainFragment()
+            return
+        }
+
+        if (itemPosition != tvViewModel.id.value!!) {
+            itemPosition = tvViewModel.id.value!!
+            tvListViewModel.setItemPosition(itemPosition)
+            tvListViewModel.getTVViewModel(itemPosition)?.changed()
+        }
+        (activity as? MainActivity)?.switchMainFragment()
+    }
+
+    fun setPosition() {
+        val tvViewModel = tvListViewModel.getTVViewModel(itemPosition)
+        rowList[tvViewModel!!.getRowPosition()].post {
+            ((rowList[tvViewModel.getRowPosition()] as RecyclerView).layoutManager as LinearLayoutManager).findViewByPosition(
+                tvViewModel.getItemPosition()
+            )?.requestFocus()
+        }
+    }
+
+    fun setPosition(rowPosition: Int, itemPosition: Int) {
+        rowList[rowPosition].post {
+            ((rowList[rowPosition] as RecyclerView).layoutManager as LinearLayoutManager).findViewByPosition(
+                itemPosition
+            )?.requestFocus()
+        }
+    }
+
+    fun check(tvViewModel: TVViewModel): Boolean {
+        val title = tvViewModel.title.value
+        val videoUrl = tvViewModel.videoIndex.value?.let { tvViewModel.videoUrl.value?.get(it) }
+        if (videoUrl == null || videoUrl == "") {
+            Log.e(TAG, "$title videoUrl is empty")
+            return false
+        }
+
+        if (videoUrl == lastVideoUrl) {
+            Log.e(TAG, "$title videoUrl is duplication")
+            return false
+        }
+
+        return true
+    }
+
+    fun fragmentReady() {
+        ready++
+        Log.i(TAG, "ready $ready")
+        if (ready == 4) {
+//            request.fetchPage()
+            tvListViewModel.getTVViewModel(itemPosition)?.changed()
+        }
+    }
+
+    fun play(itemPosition: Int) {
+        view?.post {
+            if (itemPosition < tvListViewModel.size()) {
+                this.itemPosition = itemPosition
+                tvListViewModel.setItemPosition(itemPosition)
+                tvListViewModel.getTVViewModel(itemPosition)?.changed()
+            } else {
+                Toast.makeText(context, "频道不存在", Toast.LENGTH_SHORT).show()
+            }
+        }
+    }
+
+    fun prev() {
+        view?.post {
+            itemPosition--
+            if (itemPosition == -1) {
+                itemPosition = tvListViewModel.size() - 1
+            }
+            tvListViewModel.setItemPosition(itemPosition)
+            tvListViewModel.getTVViewModel(itemPosition)?.changed()
+        }
+    }
+
+    fun next() {
+        view?.post {
+            itemPosition++
+            if (itemPosition == tvListViewModel.size()) {
+                itemPosition = 0
+            }
+            tvListViewModel.setItemPosition(itemPosition)
+            tvListViewModel.getTVViewModel(itemPosition)?.changed()
         }
     }
 
@@ -150,184 +282,35 @@ class MainFragment : BrowseSupportFragment() {
         }
     }
 
-    fun check(tvViewModel: TVViewModel): Boolean {
-        val title = tvViewModel.title.value
-        val videoUrl = tvViewModel.videoIndex.value?.let { tvViewModel.videoUrl.value?.get(it) }
-        if (videoUrl == null || videoUrl == "") {
-            Log.e(TAG, "$title videoUrl is empty")
-            return false
+    override fun onStop() {
+        Log.i(TAG, "onStop")
+        super.onStop()
+        with(sharedPref!!.edit()) {
+            putInt(POSITION, itemPosition)
+            apply()
         }
-
-        if (videoUrl == lastVideoUrl) {
-            Log.e(TAG, "$title videoUrl is duplication")
-            return false
-        }
-
-        return true
+        Log.i(TAG, "POSITION saved")
     }
 
-    fun toLastPosition() {
-        setSelectedPosition(
-            selectedPosition, false,
-            SelectItemViewHolderTask(tvListViewModel.maxNum[selectedPosition] - 1)
-        )
+    override fun onDestroy() {
+        Log.i(TAG, "onDestroy")
+        super.onDestroy()
+        handler.removeCallbacks(mUpdateProgramRunnable)
     }
 
-    fun toFirstPosition() {
-        setSelectedPosition(
-            selectedPosition, false,
-            SelectItemViewHolderTask(0)
-        )
-    }
-
-    override fun startHeadersTransition(withHeaders: Boolean) {
-    }
-
-    private fun loadRows() {
-        rowsAdapter = ArrayObjectAdapter(ListRowPresenter())
-
-        val cardPresenter = CardPresenter(viewLifecycleOwner)
-
-        var idx: Long = 0
-        for ((k, v) in TVList.list) {
-            val listRowAdapter = ArrayObjectAdapter(cardPresenter)
-            for ((idx2, v1) in v.withIndex()) {
-                val tvViewModel = TVViewModel(v1)
-                tvViewModel.setRowPosition(idx.toInt())
-                tvViewModel.setItemPosition(idx2)
-                tvListViewModel.addTVViewModel(tvViewModel)
-                listRowAdapter.add(tvViewModel)
-            }
-            tvListViewModel.maxNum.add(v.size)
-            val header = HeaderItem(idx, k)
-            rowsAdapter!!.add(ListRow(header, listRowAdapter))
-            idx++
-        }
-
-        adapter = rowsAdapter
-
-        itemPosition = sharedPref?.getInt("position", 0)!!
-        if (itemPosition >= tvListViewModel.size()) {
-            itemPosition = 0
-        }
-        tvListViewModel.setItemPosition(itemPosition)
-    }
-
-    fun fragmentReady() {
-        ready++
-        Log.i(TAG, "ready $ready")
-        if (ready == 4) {
-//            request.fetchPage()
-            val tvViewModel = tvListViewModel.getTVViewModel(itemPosition)
-            tvViewModel?.changed()
-
-            (activity as? MainActivity)?.switchMainFragment()
-        }
-    }
-
-    fun play(itemPosition: Int) {
-        view?.post {
-            if (itemPosition < tvListViewModel.size()) {
-                this.itemPosition = itemPosition
-                tvListViewModel.setItemPosition(itemPosition)
-                tvListViewModel.getTVViewModel(itemPosition)?.changed()
-            }
-        }
-    }
-
-    fun prev() {
-        view?.post {
-            itemPosition--
-            if (itemPosition == -1) {
-                itemPosition = tvListViewModel.size() - 1
-            }
-            tvListViewModel.setItemPosition(itemPosition)
-            tvListViewModel.getTVViewModel(itemPosition)?.changed()
-        }
-    }
-
-    fun next() {
-        view?.post {
-            itemPosition++
-            if (itemPosition == tvListViewModel.size()) {
-                itemPosition = 0
-            }
-            tvListViewModel.setItemPosition(itemPosition)
-            tvListViewModel.getTVViewModel(itemPosition)?.changed()
-        }
-    }
-
-    fun prevSource() {
-        view?.post {
-            val tvViewModel = tvListViewModel.getTVViewModel(itemPosition)
-            if (tvViewModel != null) {
-                if (tvViewModel.videoUrl.value!!.size > 1) {
-                    val videoIndex = tvViewModel.videoIndex.value?.minus(1)
-                    if (videoIndex == -1) {
-                        tvViewModel.setVideoIndex(tvViewModel.videoUrl.value!!.size - 1)
-                    }
-                    tvViewModel.changed()
-                }
-            }
-        }
-    }
-
-    fun nextSource() {
-        view?.post {
-            val tvViewModel = tvListViewModel.getTVViewModel(itemPosition)
-            if (tvViewModel != null) {
-                if (tvViewModel.videoUrl.value!!.size > 1) {
-                    val videoIndex = tvViewModel.videoIndex.value?.plus(1)
-                    if (videoIndex == tvViewModel.videoUrl.value!!.size) {
-                        tvViewModel.setVideoIndex(0)
-                    }
-                    tvViewModel.changed()
-                }
-            }
-        }
-    }
-
-    private fun setupEventListeners() {
-        onItemViewClickedListener = ItemViewClickedListener()
-        onItemViewSelectedListener = ItemViewSelectedListener()
-    }
-
-    private inner class ItemViewClickedListener : OnItemViewClickedListener {
-        override fun onItemClicked(
-            itemViewHolder: Presenter.ViewHolder,
-            item: Any,
-            rowViewHolder: RowPresenter.ViewHolder,
-            row: Row
-        ) {
-            if (item is TVViewModel) {
-                if (itemPosition != item.id.value!!) {
-                    itemPosition = item.id.value!!
-                    tvListViewModel.setItemPosition(itemPosition)
-                    tvListViewModel.getTVViewModel(itemPosition)?.changed()
-                }
-                (activity as? MainActivity)?.switchMainFragment()
-            }
-        }
-    }
-
-    private inner class ItemViewSelectedListener : OnItemViewSelectedListener {
-        override fun onItemSelected(
-            itemViewHolder: Presenter.ViewHolder?, item: Any?,
-            rowViewHolder: RowPresenter.ViewHolder, row: Row
-        ) {
-            if (item is TVViewModel) {
-                tvListViewModel.setItemPositionCurrent(item.id.value!!)
-                (activity as MainActivity).keepRunnable()
-            }
-        }
+    override fun onDestroyView() {
+        Log.i(TAG, "onDestroyView")
+        super.onDestroyView()
+        _binding = null
     }
 
     override fun onResume() {
         super.onResume()
-        view!!.requestFocus()
+        view?.post { view?.requestFocus() }
     }
 
     companion object {
         private const val TAG = "MainFragment"
+        private const val POSITION = "position"
     }
 }

app/src/main/java/com/lizongying/mytv/PlayerFragment.kt

@@ -74,10 +74,9 @@ class PlayerFragment : Fragment() {
     @OptIn(UnstableApi::class)
     fun play(tvViewModel: TVViewModel) {
         this.tvViewModel = tvViewModel
-        val videoUrlCurrent =
-            tvViewModel.videoIndex.value?.let { tvViewModel.videoUrl.value?.get(it) }
+        val videoUrlCurrent = tvViewModel.getVideoUrlCurrent()
         playerView?.player?.run {
-            videoUrlCurrent?.let { setMediaItem(MediaItem.fromUri(it)) }
+            setMediaItem(MediaItem.fromUri(videoUrlCurrent))
             prepare()
         }
     }

app/src/main/java/com/lizongying/mytv/SettingFragment.kt

@@ -8,9 +8,9 @@ import androidx.fragment.app.DialogFragment
 import com.lizongying.mytv.databinding.DialogBinding
 
 
-class MyDialogFragment(private val versionName: String,
-                       private val channelReversal: Boolean,
-                       private val channelNum: Boolean,
+class SettingFragment(private val versionName: String,
+                      private val channelReversal: Boolean,
+                      private val channelNum: Boolean,
     ) :
     DialogFragment() {
 
@@ -52,7 +52,7 @@ class MyDialogFragment(private val versionName: String,
     }
 
     companion object {
-        const val TAG = "MyDialogFragment"
+        const val TAG = "SettingFragment"
     }
 }
 

app/src/main/java/com/lizongying/mytv/TVList.kt

@@ -145,7 +145,7 @@ object TVList {
         "CCTV10 科教" to arrayOf("600001805", "2000203503"),
         "CCTV11 戏曲" to arrayOf("600001806", "2000204103"),
         "CCTV12 社会与法" to arrayOf("600001807", "2000202603"),
-//        "CCTV13 新闻" to arrayOf("600001811","2000204603"),
+        "CCTV13 新闻" to arrayOf("600001811","2000204603"),
         "CCTV14 少儿" to arrayOf("600001809", "2000204403"),
         "CCTV15 音乐" to arrayOf("600001815", "2000205003"),
         "CCTV16 奥林匹克" to arrayOf("600098637", "2012375003"),
@@ -196,8 +196,6 @@ object TVList {
     private fun setupTV(): Map<String, List<TV>> {
         val tvs = """
 央视频道
-CCTV4K 超高清,
-CCTV8K 超高清,
 CCTV1 综合,http://dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221226231/index.m3u8
 CCTV2 财经,http://dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221226195/index.m3u8
 CCTV3 综艺,http://dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221226397/index.m3u8
@@ -216,6 +214,8 @@ CCTV14 少儿,http://dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221226193/inde
 CCTV15 音乐,http://dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221225785/index.m3u8
 CCTV16 奥林匹克,http://39.134.24.162/dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221226921/index.m3u8;http://dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221226921/index.m3u8
 CCTV17 农业农村,http://dbiptv.sn.chinamobile.com/PLTV/88888890/224/3221226198/index.m3u8
+CCTV4K 超高清,
+CCTV8K 超高清,
 风云剧场,http://dbiptv.sn.chinamobile.com/PLTV/88888893/224/3221226950/index.m3u8
 第一剧场,http://dbiptv.sn.chinamobile.com/PLTV/88888893/224/3221226959/index.m3u8
 怀旧剧场,http://dbiptv.sn.chinamobile.com/PLTV/88888893/224/3221226972/index.m3u8

app/src/main/java/com/lizongying/mytv/Utils.kt

@@ -1,5 +1,7 @@
 package com.lizongying.mytv
 
+import android.content.res.Resources
+import android.util.TypedValue
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -12,4 +14,20 @@ object Utils {
     fun getDateTimestamp(): Long {
         return Date().time / 1000
     }
+
+    fun dpToPx(dp: Float): Int {
+        return TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP,
+            dp,
+            Resources.getSystem().displayMetrics
+        ).toInt()
+    }
+
+    fun dpToPx(dp: Int): Int {
+        return TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP,
+            dp.toFloat(),
+            Resources.getSystem().displayMetrics
+        ).toInt()
+    }
 }

app/src/main/java/com/lizongying/mytv/models/TVViewModel.kt

@@ -20,7 +20,7 @@ class TVViewModel(private var tv: TV) : ViewModel() {
     private var itemPosition: Int = 0
 
     var retryTimes: Int = 0
-    var retryMaxTimes: Int = 5
+    var retryMaxTimes: Int = 8
     var programUpdateTime: Long = 0
 
     private val _errInfo = MutableLiveData<String>()
@@ -222,18 +222,25 @@ class TVViewModel(private var tv: TV) : ViewModel() {
         mMinimumLoadableRetryCount = minimumLoadableRetryCount
     }
 
+    /**
+     * (playerView?.player as ExoPlayer).setMediaSource(tvViewModel.buildSource())
+     */
     @OptIn(UnstableApi::class)
-    fun buildSource(videoUrl: String, mHeaders: Map<String, String>?): HlsMediaSource {
+    fun buildSource(): HlsMediaSource {
         val httpDataSource = DefaultHttpDataSource.Factory()
         mHeaders?.let { httpDataSource.setDefaultRequestProperties(it) }
 
         return HlsMediaSource.Factory(httpDataSource).createMediaSource(
             MediaItem.fromUri(
-                Uri.parse(videoUrl)
+                Uri.parse(getVideoUrlCurrent())
             )
         )
     }
 
+    fun getVideoUrlCurrent(): String {
+        return _videoUrl.value!![_videoIndex.value!!]
+    }
+
     companion object {
         private const val TAG = "TVViewModel"
     }

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

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/row"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/row_header"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="start"
+        android:layout_marginTop="0dp"
+        android:layout_marginStart="10dp"
+        android:layout_marginBottom="5dp"
+        android:gravity="start"
+        android:textColor="#FFEEEEEE"
+        android:textSize="22sp" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/row_items"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content">
+    </androidx.recyclerview.widget.RecyclerView>
+</LinearLayout>

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

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/show_fragment"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <ScrollView
+        android:id="@+id/scroll_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+        <LinearLayout
+            android:id="@+id/content"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+        </LinearLayout>
+    </ScrollView>
+</FrameLayout>

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

@@ -1,10 +1,25 @@
 <resources>
 
     <style name="CustomImageCardViewStyle" parent="Widget.Leanback.ImageCardViewStyle">
-        <item name="lbImageCardViewType">Title|Content</item>
+        <item name="cardType">infoUnder</item>
+        <item name="infoVisibility">always</item>
+        <!-- In order to keep backward compatibility we have to create an icon on right. -->
+        <item name="lbImageCardViewType">Title|Content|IconOnRight</item>
+        <!-- Deprecated. Use 'Widget.Leanback.ImageCardView.InfoAreaStyle' instead. -->
+        <item name="infoAreaBackground">@null</item>
+    </style>
+
+    <style name="CustomImageCardViewImageStyle" parent="Widget.Leanback.ImageCardView.ImageStyle">
+        <item name="android:layout_width">143dp</item>
+        <item name="android:layout_height">50dp</item>
+        <item name="android:adjustViewBounds">true</item>
+        <item name="android:contentDescription">@null</item>
+        <item name="android:scaleType">centerCrop</item>
+        <item name="layout_viewType">main</item>
     </style>
 
     <style name="CustomImageCardTheme" parent="Theme.Leanback">
         <item name="imageCardViewStyle">@style/CustomImageCardViewStyle</item>
+        <item name="imageCardViewImageStyle">@style/CustomImageCardViewImageStyle</item>
     </style>
 </resources>

build.gradle

@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '8.2.0' apply false
-    id 'com.android.library' version '8.2.0' apply false
+    id 'com.android.application' version '8.2.1' apply false
+    id 'com.android.library' version '8.2.1' apply false
     id 'org.jetbrains.kotlin.android' version '1.9.21' apply false
 }