Major refactoring

.idea/misc.xml

@@ -26,6 +26,8 @@
         <entry key="../../../../../layout/compose-model-1637654654111.xml" value="0.33" />
         <entry key="../../../../../layout/compose-model-1637655458616.xml" value="0.45740740740740743" />
         <entry key="../../../../../layout/compose-model-1637656156044.xml" value="0.25" />
+        <entry key="../../../../../layout/compose-model-1637673325505.xml" value="0.11570945945945946" />
+        <entry key="../../../../../layout/compose-model-1637674242617.xml" value="0.49537037037037035" />
       </map>
     </option>
   </component>

app/build.gradle

@@ -49,21 +49,22 @@ android {
 
 dependencies {
 
-    implementation 'androidx.core:core-ktx:1.6.0'
-    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'androidx.core:core-ktx:1.7.0'
+    implementation 'androidx.appcompat:appcompat:1.4.0'
     implementation 'com.google.android.material:material:1.4.0'
     implementation "androidx.compose.ui:ui:$compose_version"
     implementation "androidx.compose.material:material:$compose_version"
     implementation "androidx.compose.ui:ui-tooling-preview:$compose_version"
     implementation "androidx.compose.material:material-icons-extended:$compose_version"
     implementation "androidx.compose.runtime:runtime-livedata:$compose_version"
-    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
-    implementation 'androidx.activity:activity-compose:1.3.1'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.1'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.4.0'
+    implementation 'androidx.activity:activity-compose:1.4.0'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.2'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.10.0'
     implementation 'su.litvak.chromecast:api-v2:0.11.3'
     implementation 'com.github.yausername.youtubedl-android:library:0.12.+'
     implementation 'com.github.yausername.youtubedl-android:ffmpeg:0.12.+'
+    implementation "androidx.media:media:1.4.3"
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

app/src/main/AndroidManifest.xml

@@ -4,8 +4,10 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@drawable/ic_caster_logo"
         android:label="@string/app_name"
@@ -27,7 +29,12 @@
             android:name=".ChromecastManagerActivity"
             android:exported="true"
             android:label="@string/title_activity_chromecast_manager"
-            android:theme="@style/Theme.Caster.NoActionBar" />
+            android:theme="@style/Theme.Caster.NoActionBar" >
+            <intent-filter>
+                <action android:name="android.intent.action.MEDIA_BUTTON"/>
+            </intent-filter>
+
+        </activity>
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -39,6 +46,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <service android:name=".services.ChromecastManagerService"/>
     </application>
 
 </manifest>

app/src/main/java/eu/toldi/balazs/caster/App.kt

@@ -0,0 +1,21 @@
+package eu.toldi.balazs.caster
+
+import android.app.Application
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.os.Build
+
+class App : Application() {
+    companion object {
+        const val CHANNEL_ID = "casterServiceNotificationChannel"
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            val serviceChannel = NotificationChannel(CHANNEL_ID,"Caster Service Channel",NotificationManager.IMPORTANCE_LOW)
+            val manager = getSystemService(NotificationManager::class.java)
+            manager.createNotificationChannel(serviceChannel)
+        }
+    }
+}

app/src/main/java/eu/toldi/balazs/caster/ChromeCastHelper.kt

@@ -1,5 +1,17 @@
 package eu.toldi.balazs.caster
 
+import android.util.Log
+import com.yausername.youtubedl_android.YoutubeDL
+import com.yausername.youtubedl_android.YoutubeDLException
+import com.yausername.youtubedl_android.YoutubeDLRequest
+import com.yausername.youtubedl_android.mapper.VideoInfo
+import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.withContext
+import su.litvak.chromecast.api.v2.Application
+import su.litvak.chromecast.api.v2.ChromeCast
+import su.litvak.chromecast.api.v2.MediaStatus
+
 object ChromeCastHelper {
 
     const val APP_BACKDROP = "E8C28D3C"
@@ -13,4 +25,125 @@ object ChromeCastHelper {
     const val APP_BUBBLEUPNP = "3927FA74"
     const val APP_BBCSOUNDS = "03977A48"
     const val APP_BBCIPLAYER = "5E81F6DB"
+
+    lateinit var chromeCast: ChromeCast
+
+    fun getApplicationDisplayName(id: String): String {
+        return when (id) {
+            APP_MEDIA_RECEIVER -> "Media Player"
+            APP_YOUTUBE -> "Youtube"
+            APP_PLEX -> "Plex"
+            APP_BACKDROP -> "Idle"
+            APP_DASHCAST -> "Dashcast"
+            APP_HOME_ASSISTANT -> "Home Assistant"
+            APP_SUPLA -> "Supla"
+            APP_YLEAREENA -> "Yleareena"
+            APP_BUBBLEUPNP -> "BubbleUPNP"
+            APP_BBCSOUNDS -> "BBC Sounds"
+            APP_BBCIPLAYER -> "BBC IPlayer"
+            else -> "Unknown App $id"
+        }
+    }
+
+    suspend fun fetchMediaStatus(): MediaStatus? {
+        try {
+            var mediaStatus : MediaStatus? = null
+            withContext(IO) {
+                val status = chromeCast.status
+                if (status.runningApp != null) {
+                    mediaStatus = chromeCast.mediaStatus
+                }
+            }
+            return mediaStatus
+        } catch (e: Exception) {
+            Log.e(null, e.stackTraceToString())
+        }
+        return null
+    }
+
+    suspend fun seek(d: Double) {
+        val mediaStatus = fetchMediaStatus()
+        if (mediaStatus != null) {
+            try {
+                withContext(IO) {
+                    chromeCast.seek(d * mediaStatus.media.duration)
+                }
+            } catch (e: Exception) {
+                Log.e(null, e.stackTraceToString())
+            }
+        }
+    }
+
+    suspend fun stopApp() {
+        withContext(IO) {
+            if (chromeCast.runningApp != null) {
+                chromeCast.stopApp()
+            }
+        }
+    }
+
+    suspend fun play() {
+        withContext(IO) {
+            chromeCast.play()
+        }
+    }
+
+    suspend fun pause(){
+        withContext(IO) {
+            chromeCast.pause()
+        }
+    }
+
+    suspend fun setVolume(f: Float) {
+        withContext(IO) {
+            chromeCast.setVolume(f)
+        }
+    }
+
+    suspend fun castLink(link : String, callBack : () -> Unit = {}) : Boolean{
+        var exitStatus = true
+        if(link.startsWith("https://").not() && link.startsWith("http://").not()) {
+            callBack.invoke()
+            return false
+        }
+        withContext(IO){
+            val request =
+                YoutubeDLRequest(link)
+            request.addOption("-f", "best")
+
+            val _streamInfo = try {
+                YoutubeDL.getInstance().getInfo(request)
+            } catch (e: YoutubeDLException) {
+                null
+            }
+            if (_streamInfo == null) {
+                exitStatus = false
+                callBack.invoke()
+            } else {
+
+                val streamInfo = _streamInfo as VideoInfo
+                val status = chromeCast.status
+                if (chromeCast.isAppAvailable(ChromeCastHelper.APP_MEDIA_RECEIVER) && !status.isAppRunning(
+                        ChromeCastHelper.APP_MEDIA_RECEIVER
+                    )
+                ) {
+                    val app: Application = chromeCast.launchApp(ChromeCastHelper.APP_MEDIA_RECEIVER)
+                }
+                while (!chromeCast.status.isAppRunning(ChromeCastHelper.APP_MEDIA_RECEIVER)) {
+                    delay(100)
+                }
+
+                chromeCast.load(
+                    streamInfo.title,
+                    streamInfo.thumbnail,
+                    streamInfo.url,
+                    null
+                )
+
+                callBack.invoke()
+            }
+        }
+        return exitStatus
+    }
+    
 }

app/src/main/java/eu/toldi/balazs/caster/ChromecastManagerActivity.kt

@@ -1,10 +1,13 @@
 package eu.toldi.balazs.caster
 
+import android.content.Intent
+import android.os.Build
 import android.os.Bundle
 import android.util.Log
 import android.view.KeyEvent
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.annotation.RequiresApi
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
@@ -14,6 +17,8 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.core.content.ContextCompat
+import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
 import eu.toldi.balazs.caster.ui.theme.CasterTheme
@@ -29,6 +34,7 @@ import com.yausername.youtubedl_android.YoutubeDLRequest
 import com.yausername.youtubedl_android.YoutubeDLException
 import com.yausername.youtubedl_android.mapper.VideoInfo
 import eu.toldi.balazs.caster.model.ChromecastManageViewmodel
+import eu.toldi.balazs.caster.services.ChromecastManagerService
 import kotlinx.coroutines.withContext
 import su.litvak.chromecast.api.v2.Media
 import su.litvak.chromecast.api.v2.MediaStatus
@@ -37,69 +43,31 @@ import su.litvak.chromecast.api.v2.MediaStatus
 class ChromecastManagerActivity : ComponentActivity() {
     companion object {
         var chromeCast_: ChromeCast? = null
-
-        suspend fun castLink(chromeCast: ChromeCast,link : String, callBack : () -> Unit = {}) : Boolean{
-            var exitStatus = true
-            if(link.startsWith("https://").not() && link.startsWith("http://").not()) {
-                callBack.invoke()
-                return false
-            }
-            withContext(IO){
-                val request =
-                    YoutubeDLRequest(link)
-                request.addOption("-f", "best")
-
-                val _streamInfo = try {
-                    YoutubeDL.getInstance().getInfo(request)
-                } catch (e: YoutubeDLException) {
-                    null
-                }
-                if (_streamInfo == null) {
-                    exitStatus = false
-                    callBack.invoke()
-                } else {
-
-                    val streamInfo = _streamInfo as VideoInfo
-                    val status = chromeCast.status
-                    if (chromeCast.isAppAvailable(ChromeCastHelper.APP_MEDIA_RECEIVER) && !status.isAppRunning(
-                            ChromeCastHelper.APP_MEDIA_RECEIVER
-                        )
-                    ) {
-                        val app: Application = chromeCast.launchApp(ChromeCastHelper.APP_MEDIA_RECEIVER)
-                    }
-                    while (!chromeCast.status.isAppRunning(ChromeCastHelper.APP_MEDIA_RECEIVER)) {
-                        delay(100)
-                    }
-
-                    chromeCast.load(
-                        streamInfo.title,
-                        streamInfo.thumbnail,
-                        streamInfo.url,
-                        null
-                    )
-
-                    callBack.invoke()
-                }
-            }
-            return exitStatus
-        }
-
     }
 
     private lateinit var chromeCast: ChromeCast
+    private lateinit var viewModel : ChromecastManageViewmodel
+    @RequiresApi(Build.VERSION_CODES.O)
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         if (chromeCast_ == null)
             finish()
         chromeCast = chromeCast_ as ChromeCast
+        ChromeCastHelper.chromeCast = chromeCast
         try {
             YoutubeDL.getInstance().init(application)
         } catch (e: YoutubeDLException) {
             Log.e("Caster", "failed to initialize youtubedl-android", e)
         }
+        val serviceIntent = Intent(this, ChromecastManagerService::class.java).also {
+            it.action = ChromecastManagerService.ACTION_INIT
+            it.putExtra("CHROMECAST_ADDRESS", chromeCast.address)
+            it.putExtra("CHROMECAST_NAME", chromeCast.title)
+            ContextCompat.startForegroundService(this, it)
+        }
         setContent {
             CasterTheme {
-                val viewModel = ViewModelProvider(this).get(ChromecastManageViewmodel::class.java)
+                viewModel = ViewModelProvider(this).get(ChromecastManageViewmodel::class.java)
                 viewModel.chromeCast = chromeCast
                 // A surface container using the 'background' color from the theme
                 Surface(color = MaterialTheme.colors.background) {
@@ -123,38 +91,53 @@ class ChromecastManagerActivity : ComponentActivity() {
                                 label = { Text("Cast URL") },
                                 modifier = Modifier.padding(vertical = 4.dp)
                             )
-                            var castEnabled by remember { mutableStateOf(true)}
+                            var castEnabled by remember { mutableStateOf(true) }
                             Button(
                                 enabled = castEnabled,
                                 onClick = {
                                     castEnabled = false
-                                    lifecycleScope.launch {
-                                        castLink(chromeCast, text) {
-                                            castEnabled = true
-                                        }
+                                    viewModel.castLink(text) {
+                                        castEnabled = true
                                     }
-
                                 },
                                 modifier = Modifier.padding(vertical = 4.dp)
                             ) {
                                 Text(text = "Cast")
                             }
-                            if(castEnabled.not()){
+                            if (castEnabled.not()) {
                                 CircularProgressIndicator()
                             }
-                            playBackControl(viewmodel = viewModel)
+                            playBackControl()
                             val mediaStatus = viewModel.mediaStatus.value
 
-                            if(mediaStatus != null) {
+                            if (mediaStatus != null) {
                                 val nowPlaying = mediaStatus.media.metadata[Media.METADATA_TITLE]
                                 Text(text = "Now playing: $nowPlaying")
-                                val progress = mediaStatus.currentTime/ mediaStatus.media.duration
-                                Row(Modifier.fillMaxWidth(),horizontalArrangement = Arrangement.SpaceBetween) {
-                                    Text(text = String.format("%02d:%02d",((mediaStatus.currentTime % 3600) / 60).toInt(), (mediaStatus.currentTime % 60).toInt()))
-                                    Text(text = String.format("%02d:%02d",((mediaStatus.media.duration % 3600) / 60).toInt(),(mediaStatus.media.duration % 60).toInt()))
+                                var sliderPosition by remember { mutableStateOf((mediaStatus.currentTime / mediaStatus.media.duration).toFloat()) }
+
+                                Row(
+                                    Modifier.fillMaxWidth(),
+                                    horizontalArrangement = Arrangement.SpaceBetween
+                                ) {
+                                    Text(
+                                        text = String.format(
+                                            "%02d:%02d",
+                                            ((mediaStatus.currentTime % 3600) / 60).toInt(),
+                                            (mediaStatus.currentTime % 60).toInt()
+                                        )
+                                    )
+                                    Text(
+                                        text = String.format(
+                                            "%02d:%02d",
+                                            ((mediaStatus.media.duration % 3600) / 60).toInt(),
+                                            (mediaStatus.media.duration % 60).toInt()
+                                        )
+                                    )
                                 }
-                                Slider(value = progress.toFloat(), onValueChange = {
-                                    viewModel.seek(it.toDouble())
+                                Slider(value = sliderPosition, onValueChange = {
+                                    sliderPosition = it
+                                }, onValueChangeFinished = {
+                                    viewModel.seek(sliderPosition.toDouble())
                                 })
                             }
                         }
@@ -188,18 +171,15 @@ class ChromecastManagerActivity : ComponentActivity() {
     }
 
     @Composable
-    fun playBackControl(viewmodel: ChromecastManageViewmodel){
-        val mediaStatus = viewmodel.mediaStatus.value
+    fun playBackControl() {
+        val mediaStatus = viewModel.mediaStatus.value
         Row {
 
             IconButton(onClick = {
-                    if(mediaStatus != null) {
-                        lifecycleScope.launch(IO) {
-                            chromeCast.seek(chromeCast.mediaStatus.currentTime - 10)
-                            viewmodel.fetchMediaStatus()
-                        }
-                    }
-            },enabled = mediaStatus != null) {
+                if (mediaStatus != null) {
+                    viewModel.seek(chromeCast.mediaStatus.currentTime - 10)
+                }
+            }, enabled = mediaStatus != null) {
                 Icon(
                     Icons.Filled.FastRewind,
                     contentDescription = "FastRewind"
@@ -212,18 +192,18 @@ class ChromecastManagerActivity : ComponentActivity() {
                     playBackState = chromeCast.mediaStatus.playerState
             }*/
             IconButton(onClick = {
-                lifecycleScope.launch(IO) {
-                    if(mediaStatus != null) {
-                        if (mediaStatus.playerState == MediaStatus.PlayerState.PLAYING) {
-                            chromeCast.pause()
-                        }
-                        if (mediaStatus.playerState  == MediaStatus.PlayerState.PAUSED) {
-                            chromeCast.play()
-                        }
-                        viewmodel.fetchMediaStatus()
+
+                if (mediaStatus != null) {
+                    if (mediaStatus.playerState == MediaStatus.PlayerState.PLAYING) {
+                        viewModel.pause()
                     }
+                    if (mediaStatus.playerState == MediaStatus.PlayerState.PAUSED) {
+                        viewModel.play()
+                    }
+                    viewModel.fetchMediaStatus()
                 }
-            },enabled = mediaStatus != null) {
+
+            }, enabled = mediaStatus != null) {
                 when {
                     mediaStatus == null || mediaStatus.playerState == MediaStatus.PlayerState.PAUSED -> Icon(
                         Icons.Filled.PlayArrow,
@@ -242,13 +222,8 @@ class ChromecastManagerActivity : ComponentActivity() {
 
             }
             IconButton(onClick = {
-                lifecycleScope.launch(IO) {
-                    if(chromeCast.runningApp != null) {
-                        chromeCast.stopApp()
-                        viewmodel.fetchMediaStatus()
-                    }
-                }
-            },enabled = mediaStatus != null) {
+                viewModel.stopApp()
+            }, enabled = mediaStatus != null) {
                 Icon(
                     Icons.Filled.Stop,
                     contentDescription = "Stop"
@@ -256,13 +231,10 @@ class ChromecastManagerActivity : ComponentActivity() {
             }
 
             IconButton(onClick = {
-                lifecycleScope.launch(IO) {
-                    if(chromeCast.mediaStatus != null) {
-                        chromeCast.seek(chromeCast.mediaStatus.currentTime + 10)
-                        viewmodel.fetchMediaStatus()
-                    }
+                if (chromeCast.mediaStatus != null) {
+                    viewModel.seek(chromeCast.mediaStatus.currentTime + 10)
                 }
-            },enabled = mediaStatus != null) {
+            }, enabled = mediaStatus != null) {
                 Icon(
                     Icons.Filled.FastForward,
                     contentDescription = "FastForward"
@@ -302,26 +274,12 @@ class ChromecastManagerActivity : ComponentActivity() {
                         modifier = Modifier.padding(vertical = 4.dp)
                     )
                     Button(
-                        onClick = {
-                            GlobalScope.launch(IO) {
-                                val status = chromeCast.getStatus()
-                                if (chromeCast.isAppAvailable("CC1AD845") && !status.isAppRunning(
-                                        "CC1AD845"
-                                    )
-                                ) {
-                                    val app: Application = chromeCast.launchApp("CC1AD845")
-                                }
-                                while (!status.isAppRunning("CC1AD845")) {
-                                    delay(100)
-                                }
-                                chromeCast.load(text)
-                            }
-                        },
+                        onClick = {},
                         modifier = Modifier.padding(vertical = 4.dp)
                     ) {
                         Text(text = "Cast")
                     }
-                  //  val viewModel = ViewModelProvider(this).get(ChromecastManageViewmodel::class.java)
+                    //  val viewModel = ViewModelProvider(this).get(ChromecastManageViewmodel::class.java)
                     //playBackControl(viewModel)
                     Text(text = "Now playing: Some video")
                     var sliderPosition by remember { mutableStateOf(0f) }
@@ -332,16 +290,14 @@ class ChromecastManagerActivity : ComponentActivity() {
     }
 
     override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
-        if(keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
-            GlobalScope.launch(IO) {
-                chromeCast.setVolume(chromeCast.status.volume.level + 0.05f)
-            }
+        if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
+            viewModel.setVolume(chromeCast.status.volume.level + 0.05f)
             return true
         }
-        if(keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
-            GlobalScope.launch(IO) {
-                chromeCast.setVolume(chromeCast.status.volume.level - 0.05f)
-            }
+        if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
+
+            viewModel.setVolume(chromeCast.status.volume.level - 0.05f)
+            
             return true
         }
         return super.onKeyDown(keyCode, event)

app/src/main/java/eu/toldi/balazs/caster/ShareRecieverActivity.kt

@@ -107,7 +107,8 @@ class ShareRecieverActivity : ComponentActivity() {
             onClick = {
                 onEnableChanged(false)
                 lifecycleScope.launch {
-                    ChromecastManagerActivity.castLink(chromeCast, link) {
+                    ChromeCastHelper.chromeCast = chromeCast
+                    ChromeCastHelper.castLink(link) {
                         finish()
                     }
                 }

app/src/main/java/eu/toldi/balazs/caster/model/ChromecastManageViewmodel.kt

@@ -0,0 +1,83 @@
+package eu.toldi.balazs.caster.model
+
+import android.util.Log
+import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import eu.toldi.balazs.caster.ChromeCastHelper
+import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.launch
+import su.litvak.chromecast.api.v2.ChromeCast
+import su.litvak.chromecast.api.v2.ChromeCastSpontaneousEvent
+import su.litvak.chromecast.api.v2.ChromeCastSpontaneousEventListener
+import su.litvak.chromecast.api.v2.MediaStatus
+
+class ChromecastManageViewmodel : ViewModel(), ChromeCastSpontaneousEventListener {
+
+    private val _mediaState = mutableStateOf<MediaStatus?>(null)
+    val mediaStatus: State<MediaStatus?>
+        get() = _mediaState
+    lateinit var chromeCast: ChromeCast
+
+
+    init {
+        viewModelScope.launch(IO) {
+            while (true) {
+                fetchMediaStatus()
+                Thread.sleep(1000)
+            }
+        }
+    }
+
+    override fun spontaneousEventReceived(event: ChromeCastSpontaneousEvent?) {
+        Log.e(null, event?.type.toString())
+        if (event != null) {
+            if (event.type == ChromeCastSpontaneousEvent.SpontaneousEventType.MEDIA_STATUS) {
+                _mediaState.value = event.data as MediaStatus
+            }
+        }
+    }
+
+    fun fetchMediaStatus() {
+        viewModelScope.launch(IO) {
+            _mediaState.value = ChromeCastHelper.fetchMediaStatus()
+        }
+    }
+
+    fun seek(d: Double) {
+        viewModelScope.launch(IO) {
+            ChromeCastHelper.seek(d)
+        }
+    }
+
+    fun castLink(link : String,callBack: () -> Unit = {}) {
+        viewModelScope.launch(IO) {
+            ChromeCastHelper.castLink(link,callBack)
+        }
+    }
+
+    fun stopApp() {
+        viewModelScope.launch(IO) {
+            ChromeCastHelper.stopApp()
+        }
+    }
+
+    fun play() {
+        viewModelScope.launch(IO) {
+            ChromeCastHelper.play()
+        }
+    }
+
+    fun pause() {
+        viewModelScope.launch(IO) {
+            ChromeCastHelper.pause()
+        }
+    }
+
+    fun setVolume(f: Float) {
+        viewModelScope.launch(IO) {
+            ChromeCastHelper.setVolume(f)
+        }
+    }
+}

app/src/main/java/eu/toldi/balazs/caster/services/ChromecastManagerService.kt

@@ -0,0 +1,276 @@
+package eu.toldi.balazs.caster.services
+
+import android.app.Notification
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.app.Service
+import android.content.Intent
+import android.media.MediaPlayer
+import android.media.session.MediaController
+import android.media.session.MediaSession
+import android.media.session.PlaybackState
+import android.os.Build
+import android.os.IBinder
+import android.support.v4.media.session.MediaControllerCompat
+import android.support.v4.media.session.MediaSessionCompat
+import android.util.Log
+import androidx.annotation.RequiresApi
+import androidx.core.app.NotificationCompat
+import eu.toldi.balazs.caster.App.Companion.CHANNEL_ID
+import eu.toldi.balazs.caster.ChromeCastHelper
+import eu.toldi.balazs.caster.R
+import kotlinx.coroutines.*
+import kotlinx.coroutines.Dispatchers.IO
+
+import su.litvak.chromecast.api.v2.ChromeCast
+import su.litvak.chromecast.api.v2.Media
+
+import su.litvak.chromecast.api.v2.MediaStatus
+
+
+class ChromecastManagerService : Service() {
+    companion object {
+        const val ACTION_INIT = "action_init"
+        const val ACTION_PLAY = "action_play"
+        const val ACTION_PAUSE = "action_pause"
+        const val ACTION_REWIND = "action_rewind"
+        const val ACTION_FAST_FORWARD = "action_fast_foward"
+        const val ACTION_NEXT = "action_next"
+        const val ACTION_PREVIOUS = "action_previous"
+        const val ACTION_STOP = "action_stop"
+    }
+
+    private val mMediaPlayer = MediaPlayer()
+    private lateinit var mSession: MediaSessionCompat
+    private lateinit var mController: MediaControllerCompat
+    private lateinit var pendingIntent : PendingIntent
+    private var mediaStatus: MediaStatus? = null
+
+
+    override fun onBind(p0: Intent?): IBinder? = null
+    private lateinit var chromeCast: ChromeCast
+
+    @RequiresApi(Build.VERSION_CODES.M)
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        when(intent!!.action) {
+            ACTION_INIT -> initAction(intent)
+            ACTION_PLAY -> mController.transportControls.play()
+            ACTION_PAUSE -> mController.transportControls.pause()
+            ACTION_FAST_FORWARD -> mController.transportControls.fastForward()
+            ACTION_REWIND -> mController.transportControls.rewind()
+        }
+
+        return START_REDELIVER_INTENT
+    }
+
+
+    private fun initAction(intent: Intent?){
+        initMediaSessions()
+        val address =
+            intent?.getStringExtra("CHROMECAST_ADDRESS") ?: throw IllegalArgumentException()
+        val name = intent?.getStringExtra("CHROMECAST_NAME") ?: "Chromecast"
+
+        Log.e(null, address)
+        chromeCast = ChromeCast(address)
+        chromeCast.name = name
+        val notificationIntent = Intent(this, ChromecastManagerService::class.java)
+        pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0)
+
+        val notification: Notification = NotificationCompat.Builder(this, CHANNEL_ID)
+            .setContentTitle("Caster for ${chromeCast.name}@${address}")
+            .setSmallIcon(R.drawable.ic_caster_logo)
+            .setContentIntent(pendingIntent).build()
+
+        startForeground(1, notification)
+
+        GlobalScope.launch(IO) {
+            while (true) {
+                try {
+                    ChromeCastHelper.chromeCast = chromeCast
+                    var status = chromeCast.status
+                    Log.d(null, status.applications.toString())
+
+                    val status_message = if (status.runningApp != null) {
+                        ChromeCastHelper.getApplicationDisplayName(status.runningApp.id)
+                    } else {
+                        "${chromeCast.name} is ready for casting"
+                    }
+                    mediaStatus = ChromeCastHelper.fetchMediaStatus()
+                    buildNotification()
+                } catch (e: Exception) {
+                    Log.e(null,e.stackTraceToString())
+                }
+                Thread.sleep(1000)
+            }
+        }
+    }
+
+    private fun generateAction(
+        icon: Int,
+        title: String,
+        intentAction: String
+    ): NotificationCompat.Action {
+        val intent = Intent(applicationContext, ChromecastManagerService::class.java)
+        intent.action = intentAction
+        val pendingIntent = PendingIntent.getService(applicationContext, 1, intent, 0)
+        return NotificationCompat.Action(icon,title,pendingIntent)
+    }
+
+
+    private suspend fun buildNotification() {
+        var status = chromeCast.status
+        Log.d(null, status.applications.toString())
+
+        val status_message = if (status.runningApp != null) {
+            ChromeCastHelper.getApplicationDisplayName(status.runningApp.id)
+        } else {
+            "${chromeCast.name} is ready for xcasting"
+        }
+        val notification: Notification
+        val mNotificationManager = getSystemService(NOTIFICATION_SERVICE) as NotificationManager
+        if (mediaStatus != null) {
+            notification = if(mediaStatus!!.playerState == MediaStatus.PlayerState.PLAYING) {
+                NotificationCompat.Builder(baseContext, CHANNEL_ID)
+                    .setContentTitle(status_message)
+                    .setSmallIcon(R.drawable.ic_caster_logo)
+                    .setContentText(mediaStatus!!.media.metadata[Media.METADATA_TITLE].toString())
+                    .addAction(
+                        generateAction(
+                            R.drawable.rewind,
+                            "Rewind",
+                            ACTION_REWIND
+                        )
+                    )
+                    .addAction(
+                        generateAction(
+                            R.drawable.pause,
+                            "Pause",
+                            ACTION_PAUSE
+                        )
+                    )
+                    .addAction(
+                        generateAction(
+                            R.drawable.forward,
+                            "Fast forward",
+                            ACTION_FAST_FORWARD
+                        )
+                    )
+
+                 // Apply the media style template
+                 .setStyle(androidx.media.app.NotificationCompat.MediaStyle()
+                     .setShowActionsInCompactView(1 /* #1: pause button \*/)
+                     .setMediaSession(mSession.sessionToken))
+
+                    .setContentIntent(pendingIntent).build()
+            } else {
+                NotificationCompat.Builder(baseContext, CHANNEL_ID)
+                    .setContentTitle(status_message)
+                    .setSmallIcon(R.drawable.ic_caster_logo)
+                    .setContentText(mediaStatus!!.media.metadata[Media.METADATA_TITLE].toString())
+                    .addAction(
+                        generateAction(
+                            android.R.drawable.ic_media_rew,
+                            "Rewind",
+                            ACTION_REWIND
+                        )
+                    )
+                    .addAction(
+                        generateAction(
+                            android.R.drawable.ic_media_play,
+                            "Pause",
+                            ACTION_PLAY
+                        )
+                    )
+                    .addAction(
+                        generateAction(
+                            android.R.drawable.ic_media_ff,
+                            "Fast forward",
+                            ACTION_FAST_FORWARD
+                        )
+                    )
+
+                    // Apply the media style template
+                    .setStyle(androidx.media.app.NotificationCompat.MediaStyle()
+                        .setShowActionsInCompactView(1 /* #1: pause button \*/)
+                        .setMediaSession(mSession.sessionToken))
+
+                    .setContentIntent(pendingIntent).build()
+            }
+
+            withContext(Dispatchers.Main) {
+                mNotificationManager.notify(1, notification)
+            }
+        } else {
+            notification = NotificationCompat.Builder(baseContext, CHANNEL_ID)
+                .setContentTitle(status_message)
+                .setSmallIcon(R.drawable.ic_caster_logo)
+                .setContentIntent(pendingIntent).build()
+
+            withContext(Dispatchers.Main) {
+                mNotificationManager.notify(1, notification)
+            }
+        }
+
+
+    }
+
+    private fun initMediaSessions() {
+        mSession = MediaSessionCompat(applicationContext, "simple player session")
+        mController = MediaControllerCompat(applicationContext, mSession.sessionToken)
+        mSession.setCallback(object : MediaSessionCompat.Callback() {
+
+
+            override fun onPlay() {
+                super.onPlay()
+                Log.e("MediaPlayerService", "onPlay")
+                GlobalScope.launch(IO) {
+                    if(mediaStatus != null)
+                        ChromeCastHelper.play()
+                }
+            }
+
+
+            override fun onPause() {
+                super.onPause()
+                Log.e("MediaPlayerService", "onPause")
+                GlobalScope.launch(IO) {
+                    if(mediaStatus != null)
+                        ChromeCastHelper.pause()
+                }
+            }
+
+
+            override fun onFastForward() {
+                super.onFastForward()
+                Log.e("MediaPlayerService", "onFastForward")
+                GlobalScope.launch(IO) {
+                    val mediaStatus = ChromeCastHelper.fetchMediaStatus()
+                    if(mediaStatus != null)
+                        ChromeCastHelper.seek(mediaStatus.currentTime+10)
+                }
+                //Manipulate current media here
+            }
+
+            override fun onRewind() {
+                super.onRewind()
+                Log.e("MediaPlayerService", "onRewind")
+                GlobalScope.launch(IO) {
+                    val mediaStatus = ChromeCastHelper.fetchMediaStatus()
+                    if(mediaStatus != null)
+                        ChromeCastHelper.seek(mediaStatus.currentTime-10)
+                }
+            }
+
+            override fun onStop() {
+                super.onStop()
+                Log.e("MediaPlayerService", "onStop")
+                //Stop media player here
+                stopForeground(true)
+                val intent = Intent(applicationContext, ChromecastManagerService::class.java)
+                stopService(intent)
+            }
+
+        }
+        )
+    }
+}

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

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M4,18l8.5,-6L4,6v12zM13,6v12l8.5,-6L13,6z"/>
+</vector>

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

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M6,19h4L10,5L6,5v14zM14,5v14h4L18,5h-4z"/>
+</vector>

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

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M8,5v14l11,-7z"/>
+</vector>

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

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M11,18L11,6l-8.5,6 8.5,6zM11.5,12l8.5,6L20,6l-8.5,6z"/>
+</vector>

build.gradle

@@ -24,7 +24,7 @@ ext.getVersionCode = { ->
     try {
         def stdout = new ByteArrayOutputStream()
         exec {
-            commandLine 'git', 'rev-list', '--first-parent', '--count', 'origin/main'
+            commandLine 'git', 'rev-list', '--first-parent', '--count', '--all'
             standardOutput = stdout
         }
         return Integer.parseInt(stdout.toString().trim())