Merge pull request #342 from Bnyro/notification

Notification while playing videos

app/src/main/java/com/github/libretube/PlayerFragment.kt

@@ -2,6 +2,7 @@ package com.github.libretube
 
 import android.Manifest
 import android.annotation.SuppressLint
+import android.app.NotificationManager
 import android.content.Context
 import android.content.DialogInterface
 import android.content.Intent
@@ -13,6 +14,7 @@ import android.os.Build
 import android.os.Build.VERSION.SDK_INT
 import android.os.Bundle
 import android.os.Environment
+import android.support.v4.media.session.MediaSessionCompat
 import android.text.Html
 import android.text.TextUtils
 import android.util.Log
@@ -47,6 +49,7 @@ import com.github.libretube.adapters.TrendingAdapter
 import com.github.libretube.obj.PipedStream
 import com.github.libretube.obj.Segment
 import com.github.libretube.obj.Segments
+import com.github.libretube.obj.Streams
 import com.github.libretube.obj.Subscribe
 import com.github.libretube.util.CronetHelper
 import com.google.android.exoplayer2.C
@@ -57,10 +60,12 @@ import com.google.android.exoplayer2.MediaItem.fromUri
 import com.google.android.exoplayer2.Player
 import com.google.android.exoplayer2.audio.AudioAttributes
 import com.google.android.exoplayer2.ext.cronet.CronetDataSource
+import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector
 import com.google.android.exoplayer2.source.DefaultMediaSourceFactory
 import com.google.android.exoplayer2.source.MediaSource
 import com.google.android.exoplayer2.source.MergingMediaSource
 import com.google.android.exoplayer2.source.ProgressiveMediaSource
+import com.google.android.exoplayer2.ui.PlayerNotificationManager
 import com.google.android.exoplayer2.ui.StyledPlayerView
 import com.google.android.exoplayer2.upstream.DataSource
 import com.google.android.exoplayer2.upstream.DefaultDataSource
@@ -105,6 +110,11 @@ class PlayerFragment : Fragment() {
 
     private lateinit var relDownloadVideo: LinearLayout
 
+    private lateinit var mediaSession: MediaSessionCompat
+    private lateinit var mediaSessionConnector: MediaSessionConnector
+    private lateinit var playerNotification: PlayerNotificationManager
+    private val notificationId = 1
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         arguments?.let {
@@ -308,6 +318,11 @@ class PlayerFragment : Fragment() {
         super.onDestroy()
         try {
             exoPlayer.release()
+            // kill notification
+            val nManager = context?.getSystemService(
+                Context.NOTIFICATION_SERVICE
+            ) as NotificationManager
+            nManager.cancel(notificationId)
         } catch (e: Exception) {
         }
     }
@@ -386,7 +401,13 @@ class PlayerFragment : Fragment() {
                         }
                     }
                 }
+                initializePlayerView(view, response)
+            }
+        }
+        run()
+    }
 
+    private fun initializePlayerView(view: View, response: Streams) {
         isLoading = false
         var videosNameArray: Array<CharSequence> = arrayOf()
         videosNameArray += "HLS"
@@ -405,32 +426,14 @@ class PlayerFragment : Fragment() {
                 )
             }
 
-                    val cronetEngine: CronetEngine = CronetHelper.getCronetEngine()
+            createExoPlayer(view)
-                    val cronetDataSourceFactory: CronetDataSource.Factory =
-                        CronetDataSource.Factory(cronetEngine, Executors.newCachedThreadPool())
 
-                    val dataSourceFactory = DefaultDataSource.Factory(
-                        requireContext(),
-                        cronetDataSourceFactory
-                    )
-
-                    val audioAttributes = AudioAttributes.Builder()
-                        .setUsage(C.USAGE_MEDIA)
-                        .setContentType(C.CONTENT_TYPE_MOVIE)
-                        .build()
-
-                    exoPlayer = ExoPlayer.Builder(view.context)
-                        .setMediaSourceFactory(DefaultMediaSourceFactory(dataSourceFactory))
-                        .setSeekBackIncrementMs(5000)
-                        .setSeekForwardIncrementMs(5000)
-                        .build()
             exoPlayerView.setShowSubtitleButton(true)
             exoPlayerView.setShowNextButton(false)
             exoPlayerView.setShowPreviousButton(false)
             exoPlayerView.setRepeatToggleModes(RepeatModeUtil.REPEAT_TOGGLE_MODE_ALL)
             // exoPlayerView.controllerShowTimeoutMs = 1500
             exoPlayerView.controllerHideOnTouch = true
-                    exoPlayer.setAudioAttributes(audioAttributes, true)
             exoPlayerView.player = exoPlayer
             val sharedPreferences =
                 PreferenceManager.getDefaultSharedPreferences(requireContext())
@@ -825,8 +828,53 @@ class PlayerFragment : Fragment() {
             }
         }
     }
+
+    private fun createExoPlayer(view: View) {
+        val cronetEngine: CronetEngine = CronetHelper.getCronetEngine()
+        val cronetDataSourceFactory: CronetDataSource.Factory =
+            CronetDataSource.Factory(cronetEngine, Executors.newCachedThreadPool())
+
+        val dataSourceFactory = DefaultDataSource.Factory(
+            requireContext(),
+            cronetDataSourceFactory
+        )
+
+        val audioAttributes = AudioAttributes.Builder()
+            .setUsage(C.USAGE_MEDIA)
+            .setContentType(C.CONTENT_TYPE_MOVIE)
+            .build()
+
+        exoPlayer = ExoPlayer.Builder(view.context)
+            .setMediaSourceFactory(DefaultMediaSourceFactory(dataSourceFactory))
+            .setSeekBackIncrementMs(5000)
+            .setSeekForwardIncrementMs(5000)
+            .build()
+
+        exoPlayer.setAudioAttributes(audioAttributes, true)
+
+        setMediaItem(requireContext())
+        initializePlayerNotification(requireContext())
     }
-        run()
+
+    private fun setMediaItem(c: Context) {
+        mediaSession = MediaSessionCompat(c, this.javaClass.name)
+        mediaSession.isActive = true
+        /* might be useful for setting the notification title
+        mediaSession.setMetadata(MediaMetadataCompat.Builder()
+            .putString(MediaMetadataCompat.METADATA_KEY_ARTIST, "")
+            .putString(MediaMetadataCompat.METADATA_KEY_ALBUM_ARTIST, "")
+            .build()
+        )
+        */
+        mediaSessionConnector = MediaSessionConnector(mediaSession)
+        mediaSessionConnector.setPlayer(exoPlayer)
+    }
+
+    private fun initializePlayerNotification(c: Context) {
+        playerNotification = PlayerNotificationManager.Builder(c, notificationId, "background_mode")
+            .build()
+        playerNotification.setPlayer(exoPlayer)
+        playerNotification.setMediaSessionToken(mediaSession.sessionToken)
     }
 
     private fun isSubscribed(button: MaterialButton, channel_id: String) {

app/src/main/java/com/github/libretube/SettingsActivity.kt

@@ -1,6 +1,7 @@
 package com.github.libretube
 
 import android.Manifest
+import android.app.NotificationManager
 import android.content.ContentResolver
 import android.content.Context
 import android.content.DialogInterface
@@ -389,6 +390,9 @@ class SettingsActivity :
                 .unregisterOnSharedPreferenceChangeListener(this)
             if (requireMainActivityRestart) {
                 requireMainActivityRestart = false
+                // kill player notification
+                val nManager = this.getSystemService(NOTIFICATION_SERVICE) as NotificationManager
+                nManager.cancelAll()
                 restartMainActivity(this)
                 finishAffinity()
             } else {

app/src/main/java/com/github/libretube/ThemeChanger.kt

@@ -1,9 +1,11 @@
 package com.github.libretube
 
+import android.app.NotificationManager
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
+import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.preference.PreferenceManager
 import java.util.*
@@ -79,6 +81,11 @@ fun changeIcon(context: Context, newLogoActivityAlias: String) {
 
 // Needed due to different MainActivity Aliases because of the app icons
 fun restartMainActivity(context: Context) {
+    // kill player notification
+    val nManager = context
+        .getSystemService(AppCompatActivity.NOTIFICATION_SERVICE) as NotificationManager
+    nManager.cancelAll()
+    // restart to MainActivity
     val pm: PackageManager = context.packageManager
     val intent = pm.getLaunchIntentForPackage(context.packageName)
     intent?.flags = Intent.FLAG_ACTIVITY_CLEAR_TASK