android tv recc not working :(

app/build.gradle

@@ -88,6 +88,7 @@ repositories {
 }
 
 dependencies {
+    implementation 'com.google.android.mediahome:video:1.0.0'
     testImplementation 'org.json:json:20180813'
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
@@ -95,10 +96,10 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.5.0-alpha01'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.5.0-alpha02'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.5.0-alpha01'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.5.0-alpha02'
-    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.1'
-    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.1'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
@@ -167,4 +168,6 @@ dependencies {
 
     // for shimmer when loading
     implementation 'com.facebook.shimmer:shimmer:0.5.0'
+
+    implementation "androidx.tvprovider:tvprovider:1.0.0"
 }

app/src/main/AndroidManifest.xml

@@ -9,6 +9,7 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS"/>
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
+    <uses-permission android:name="com.android.providers.tv.permission.WRITE_EPG_DATA" />
 
     <uses-feature android:name="android.hardware.touchscreen"
                   android:required="false"/>
@@ -137,6 +138,7 @@
                 android:name="androidx.core.content.FileProvider"
                 android:authorities="${applicationId}.provider"
                 android:exported="false"
+                android:enabled="true"
                 android:grantUriPermissions="true">
             <meta-data
                     android:name="android.support.FILE_PROVIDER_PATHS"

app/src/main/java/com/lagradost/cloudstream3/ui/home/HomeChildItemAdapter.kt

@@ -3,14 +3,16 @@ package com.lagradost.cloudstream3.ui.home
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
 import com.lagradost.cloudstream3.R
 import com.lagradost.cloudstream3.SearchResponse
 import com.lagradost.cloudstream3.ui.search.SearchClickCallback
+import com.lagradost.cloudstream3.ui.search.SearchResponseDiffCallback
 import com.lagradost.cloudstream3.ui.search.SearchResultBuilder
 
 class HomeChildItemAdapter(
-    var cardList: List<SearchResponse>,
+    val cardList: MutableList<SearchResponse>,
     val layout: Int = R.layout.home_result_grid,
     private val nextFocusUp: Int? = null,
     private val nextFocusDown: Int? = null,
@@ -44,6 +46,17 @@ class HomeChildItemAdapter(
         return (cardList[position].id ?: position).toLong()
     }
 
+    fun updateList(newList: List<SearchResponse>) {
+        val diffResult = DiffUtil.calculateDiff(
+            SearchResponseDiffCallback(this.cardList, newList)
+        )
+
+        cardList.clear()
+        cardList.addAll(newList)
+
+        diffResult.dispatchUpdatesTo(this)
+    }
+
     class CardViewHolder
     constructor(
         itemView: View, private val clickCallback: (SearchClickCallback) -> Unit, private val itemCount: Int,

app/src/main/java/com/lagradost/cloudstream3/ui/home/HomeFragment.kt

@@ -124,7 +124,7 @@ class HomeFragment : Fragment() {
 
             val spanListener = { span: Int ->
                 recycle.spanCount = span
-                (recycle.adapter as SearchAdapter).notifyDataSetChanged()
+                //(recycle.adapter as SearchAdapter).notifyDataSetChanged()
             }
 
             configEvent += spanListener
@@ -133,7 +133,7 @@ class HomeFragment : Fragment() {
                 configEvent -= spanListener
             }
 
-            (recycle.adapter as SearchAdapter).notifyDataSetChanged()
+            //(recycle.adapter as SearchAdapter).notifyDataSetChanged()
 
             bottomSheetDialogBuilder.show()
         }
@@ -399,7 +399,7 @@ class HomeFragment : Fragment() {
                 val randomSize = items.size
                 home_main_poster_recyclerview?.adapter =
                     HomeChildItemAdapter(
-                        items,
+                        items.toMutableList(),
                         R.layout.home_result_big_grid,
                         nextFocusUp = home_main_poster_recyclerview.nextFocusUpId,
                         nextFocusDown = home_main_poster_recyclerview.nextFocusDownId
@@ -438,7 +438,7 @@ class HomeFragment : Fragment() {
                     val d = data.value
 
                     currentHomePage = d
-                    (home_master_recycler?.adapter as ParentItemAdapter?)?.updateList(
+                    (home_master_recycler?.adapter as? ParentItemAdapter?)?.updateList(
                         d?.items?.mapNotNull {
                             try {
                                 HomePageList(it.name, it.list.filterSearchResponse())
@@ -483,6 +483,7 @@ class HomeFragment : Fragment() {
                     home_loaded?.isVisible = false
                 }
                 is Resource.Loading -> {
+                    (home_master_recycler?.adapter as? ParentItemAdapter?)?.updateList(listOf())
                     home_loading_shimmer?.startShimmer()
                     home_loading?.isVisible = true
                     home_loading_error?.isVisible = false
@@ -556,13 +557,12 @@ class HomeFragment : Fragment() {
             home_bookmarked_parent_item_title?.text = getString(availableWatchStatusTypes.first.stringRes)*/
         }
 
-        observe(homeViewModel.bookmarks) { pair ->
+        observe(homeViewModel.bookmarks) { (isVis, bookmarks) ->
-            home_bookmarked_holder.isVisible = pair.first
+            home_bookmarked_holder.isVisible = isVis
 
-            val bookmarks = pair.second
+            (home_bookmarked_child_recyclerview?.adapter as? HomeChildItemAdapter?)?.updateList(
-            (home_bookmarked_child_recyclerview?.adapter as HomeChildItemAdapter?)?.cardList =
                 bookmarks
-            home_bookmarked_child_recyclerview?.adapter?.notifyDataSetChanged()
+            )
 
             home_bookmarked_child_more_info?.setOnClickListener {
                 activity?.loadHomepageList(
@@ -576,9 +576,15 @@ class HomeFragment : Fragment() {
 
         observe(homeViewModel.resumeWatching) { resumeWatching ->
             home_watch_holder?.isVisible = resumeWatching.isNotEmpty()
-            (home_watch_child_recyclerview?.adapter as HomeChildItemAdapter?)?.cardList =
+            (home_watch_child_recyclerview?.adapter as? HomeChildItemAdapter?)?.updateList(
                 resumeWatching
-            home_watch_child_recyclerview?.adapter?.notifyDataSetChanged()
+            )
+
+            //if (context?.isTvSettings() == true) {
+            //    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            //        context?.addProgramsToContinueWatching(resumeWatching.mapNotNull { it as? DataStoreHelper.ResumeWatchingResult })
+            //    }
+            //}
 
             home_watch_child_more_info?.setOnClickListener {
                 activity?.loadHomepageList(

app/src/main/java/com/lagradost/cloudstream3/ui/home/HomeParentItemAdapter.kt

@@ -65,12 +65,12 @@ class ParentItemAdapter(
         fun bind(info: HomePageList) {
             title.text = info.name
             recyclerView.adapter = HomeChildItemAdapter(
-                info.list,
+                info.list.toMutableList(),
                 clickCallback = clickCallback,
                 nextFocusUp = recyclerView.nextFocusUpId,
                 nextFocusDown = recyclerView.nextFocusDownId
             )
-            (recyclerView.adapter as HomeChildItemAdapter).notifyDataSetChanged()
+            //(recyclerView.adapter as HomeChildItemAdapter).notifyDataSetChanged()
 
             moreInfo.setOnClickListener {
                 moreInfoClickCallback.invoke(info)

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultFragment.kt

@@ -1183,9 +1183,9 @@ class ResultFragment : Fragment(), PanelsChildGestureRegionObserver.GestureRegio
                     result_episode_loading?.isVisible = false
                     if (result_episodes == null || result_episodes.adapter == null) return@observe
                     currentEpisodes = episodes.value
-                    (result_episodes?.adapter as EpisodeAdapter?)?.cardList = episodes.value
+                    (result_episodes?.adapter as? EpisodeAdapter?)?.cardList = episodes.value
-                    (result_episodes?.adapter as EpisodeAdapter?)?.updateLayout()
+                    (result_episodes?.adapter as? EpisodeAdapter?)?.updateLayout()
-                    (result_episodes?.adapter as EpisodeAdapter?)?.notifyDataSetChanged()
+                    (result_episodes?.adapter as? EpisodeAdapter?)?.notifyDataSetChanged()
                 }
             }
         }

app/src/main/java/com/lagradost/cloudstream3/utils/AppUtils.kt

@@ -1,5 +1,6 @@
 package com.lagradost.cloudstream3.utils
 
+import android.annotation.SuppressLint
 import android.app.Activity
 import android.content.ComponentName
 import android.content.ContentValues
@@ -10,6 +11,7 @@ import android.database.Cursor
 import android.media.AudioAttributes
 import android.media.AudioFocusRequest
 import android.media.AudioManager
+import android.media.tv.TvContract.Channels.COLUMN_INTERNAL_PROVIDER_ID
 import android.net.ConnectivityManager
 import android.net.NetworkCapabilities
 import android.net.Uri
@@ -18,20 +20,23 @@ import android.os.Environment
 import android.os.ParcelFileDescriptor
 import android.provider.MediaStore
 import android.util.Log
+import androidx.annotation.RequiresApi
+import androidx.annotation.WorkerThread
 import androidx.appcompat.app.AppCompatActivity
+import androidx.tvprovider.media.tv.PreviewChannelHelper
+import androidx.tvprovider.media.tv.TvContractCompat
+import androidx.tvprovider.media.tv.WatchNextProgram
+import androidx.tvprovider.media.tv.WatchNextProgram.fromCursor
 import com.fasterxml.jackson.module.kotlin.readValue
 import com.google.android.gms.cast.framework.CastContext
 import com.google.android.gms.cast.framework.CastState
 import com.google.android.gms.common.ConnectionResult
 import com.google.android.gms.common.GoogleApiAvailability
 import com.google.android.gms.common.wrappers.Wrappers
-import com.lagradost.cloudstream3.MainActivity
+import com.lagradost.cloudstream3.*
-import com.lagradost.cloudstream3.R
-import com.lagradost.cloudstream3.SearchResponse
-import com.lagradost.cloudstream3.mapper
-import com.lagradost.cloudstream3.movieproviders.MeloMovieProvider
 import com.lagradost.cloudstream3.mvvm.logError
 import com.lagradost.cloudstream3.ui.result.ResultFragment
+import com.lagradost.cloudstream3.utils.Coroutines.ioSafe
 import com.lagradost.cloudstream3.utils.FillerEpisodeCheck.toClassDir
 import com.lagradost.cloudstream3.utils.JsUnpacker.Companion.load
 import com.lagradost.cloudstream3.utils.UIHelper.navigate
@@ -41,6 +46,136 @@ import java.net.URL
 import java.net.URLDecoder
 
 object AppUtils {
+    //fun Context.deleteFavorite(data: SearchResponse) {
+    //    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return
+    //    normalSafeApiCall {
+    //        val existingId =
+    //            getWatchNextProgramByVideoId(data.url, this).second ?: return@normalSafeApiCall
+    //        contentResolver.delete(
+//
+    //            TvContractCompat.buildWatchNextProgramUri(existingId),
+    //            null, null
+    //        )
+    //    }
+    //}
+    @SuppressLint("RestrictedApi")
+    private fun buildWatchNextProgramUri(
+        context: Context,
+        card: DataStoreHelper.ResumeWatchingResult
+    ): WatchNextProgram {
+        val isSeries = !card.type.isMovieType()
+        val title = if (isSeries) {
+            context.getNameFull(card.name, card.episode, card.season)
+        } else {
+            card.name
+        }
+
+        val builder = WatchNextProgram.Builder()
+            .setEpisodeTitle(title)
+            .setType(
+                if (isSeries) {
+                    TvContractCompat.WatchNextPrograms.TYPE_TV_EPISODE
+                } else TvContractCompat.WatchNextPrograms.TYPE_MOVIE
+            )
+            .setWatchNextType(TvContractCompat.WatchNextPrograms.WATCH_NEXT_TYPE_CONTINUE)
+            .setTitle(title)
+            .setPosterArtUri(Uri.parse(card.posterUrl))
+            .setIntentUri(Uri.parse(card.url)) //TODO FIX intent
+            .setInternalProviderId(card.url)
+        //.setLastEngagementTimeUtcMillis(System.currentTimeMillis())
+
+        card.watchPos?.let {
+            builder.setDurationMillis(it.duration.toInt())
+            builder.setLastPlaybackPositionMillis(it.position.toInt())
+        }
+        // .setLastEngagementTimeUtcMillis() //TODO
+
+        if (isSeries)
+            card.episode?.let {
+                builder.setEpisodeNumber(it)
+            }
+
+        return builder.build()
+    }
+
+    /**
+     * Find the Watch Next program for given id.
+     * Returns the first instance available.
+     */
+    @SuppressLint("RestrictedApi")
+    // Suppress RestrictedApi due to https://issuetracker.google.com/138150076
+    fun findFirstWatchNextProgram(context: Context, predicate: (Cursor) -> Boolean):
+            Pair<WatchNextProgram?, Long?> {
+        val COLUMN_WATCH_NEXT_ID_INDEX = 0
+//        val COLUMN_WATCH_NEXT_INTERNAL_PROVIDER_ID_INDEX = 1
+//        val COLUMN_WATCH_NEXT_COLUMN_BROWSABLE_INDEX = 2
+
+        val cursor = context.contentResolver.query(
+            TvContractCompat.WatchNextPrograms.CONTENT_URI,
+            WatchNextProgram.PROJECTION,
+            /* selection = */ null,
+            /* selectionArgs = */ null,
+            /* sortOrder= */ null
+        )
+        cursor?.use {
+            if (it.moveToFirst()) {
+                do {
+                    if (predicate(cursor)) {
+                        return fromCursor(cursor) to cursor.getLong(COLUMN_WATCH_NEXT_ID_INDEX)
+                    }
+                } while (it.moveToNext())
+            }
+        }
+        return null to null
+    }
+
+    /**
+     * Query the Watch Next list and find the program with given videoId.
+     * Return null if not found.
+     */
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    @SuppressLint("Range")
+    @Synchronized
+    private fun getWatchNextProgramByVideoId(
+        id: String,
+        context: Context
+    ): Pair<WatchNextProgram?, Long?> {
+        return findFirstWatchNextProgram(context) { cursor ->
+            (cursor.getString(cursor.getColumnIndex(COLUMN_INTERNAL_PROVIDER_ID)) == id)
+        }
+    }
+
+    // https://github.com/googlearchive/leanback-homescreen-channels/blob/master/app/src/main/java/com/google/android/tvhomescreenchannels/SampleTvProvider.java
+    @SuppressLint("RestrictedApi")
+    @WorkerThread
+    fun Context.addProgramsToContinueWatching(data: List<DataStoreHelper.ResumeWatchingResult>) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return
+
+        ioSafe {
+            data.forEach { episodeInfo ->
+                try {
+                    val (program, id) = getWatchNextProgramByVideoId(episodeInfo.url, this)
+                    val nextProgram = buildWatchNextProgramUri(this, episodeInfo)
+
+                    // If the program is already in the Watch Next row, update it
+                    if (program != null && id != null) {
+                        PreviewChannelHelper(this).updateWatchNextProgram(
+                            nextProgram,
+                            id,
+                        )
+                    } else {
+                        PreviewChannelHelper(this)
+                            .publishWatchNextProgram(nextProgram)
+                    }
+                } catch (e: Exception) {
+                    logError(e)
+                }
+            }
+        }
+    }
+
+    @SuppressLint("Range")
     fun getVideoContentUri(context: Context, videoFilePath: String): Uri? {
         val cursor = context.contentResolver.query(
             MediaStore.Video.Media.EXTERNAL_CONTENT_URI, arrayOf(MediaStore.Video.Media._ID),
@@ -168,7 +303,7 @@ object AppUtils {
         startAction: Int = 0,
         startValue: Int = 0
     ) {
-        (this as AppCompatActivity?)?.loadResult(card.url, card.apiName, startAction, startValue)
+        (this as? AppCompatActivity?)?.loadResult(card.url, card.apiName, startAction, startValue)
     }
 
     fun Activity.requestLocalAudioFocus(focusRequest: AudioFocusRequest?) {
@@ -230,6 +365,7 @@ object AppUtils {
     }
 
     // Copied from https://github.com/videolan/vlc-android/blob/master/application/vlc-android/src/org/videolan/vlc/util/FileUtils.kt
+    @SuppressLint("Range")
     fun Context.getUri(data: Uri?): Uri? {
         var uri = data
         val ctx = this
@@ -245,11 +381,13 @@ object AppUtils {
                         arrayOf(MediaStore.MediaColumns.DISPLAY_NAME), null, null, null
                     )
                     if (cursor != null && cursor.moveToFirst()) {
-                        val filename = cursor.getString(cursor.getColumnIndex(MediaStore.MediaColumns.DISPLAY_NAME))
+                        val filename =
+                            cursor.getString(cursor.getColumnIndex(MediaStore.MediaColumns.DISPLAY_NAME))
                                 .replace("/", "")
                         inputStream = ctx.contentResolver.openInputStream(data)
                         if (inputStream == null) return data
-                        os = FileOutputStream(Environment.getExternalStorageDirectory().path + "/Download/" + filename)
+                        os =
+                            FileOutputStream(Environment.getExternalStorageDirectory().path + "/Download/" + filename)
                         val buffer = ByteArray(1024)
                         var bytesRead = inputStream.read(buffer)
                         while (bytesRead >= 0) {
@@ -272,7 +410,8 @@ object AppUtils {
                     arrayOf(MediaStore.Video.Media.DATA), null, null, null
                 )?.use {
                     val columnIndex = it.getColumnIndexOrThrow(MediaStore.Video.Media.DATA)
-                    if (it.moveToFirst()) Uri.fromFile(File(it.getString(columnIndex))) ?: data else data
+                    if (it.moveToFirst()) Uri.fromFile(File(it.getString(columnIndex)))
+                        ?: data else data
                 }
                 //uri = MediaUtils.getContentMediaUri(data)
                 /*} else if (data.authority == ctx.getString(R.string.tv_provider_authority)) {