resume to position if player was in background, keep screen on in player

app/build.gradle

@@ -11,9 +11,10 @@ android {
         minSdkVersion 23
         targetSdkVersion 30
         versionCode 1
-        versionName "1.0"
+        versionName "0.1-alpha1"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        setProperty("archivesBaseName", "teapod-$versionName")
     }
 
     buildTypes {

app/src/main/java/org/mosad/teapod/MainActivity.kt

@@ -103,7 +103,7 @@ class MainActivity : AppCompatActivity(), BottomNavigationView.OnNavigationItemS
 
     fun startPlayer(streamUrl: String) {
         val intent = Intent(this, PlayerActivity::class.java).apply {
-            putExtra("streamUrl", streamUrl)
+            putExtra(getString(R.string.intent_stream_url), streamUrl)
         }
         startActivity(intent)
     }

app/src/main/java/org/mosad/teapod/PlayerActivity.kt

@@ -36,7 +36,13 @@ class PlayerActivity : AppCompatActivity() {
         setContentView(R.layout.activity_player)
         hideBars() // Initial hide the bars
 
-        streamUrl = intent.getStringExtra("streamUrl").toString()
+        savedInstanceState?.let {
+            currentWindow = it.getInt(getString(R.string.state_resume_window))
+            playbackPosition = it.getLong(getString(R.string.state_resume_position))
+            playWhenReady = it.getBoolean(getString(R.string.state_is_playing))
+        }
+
+        streamUrl = intent.getStringExtra(getString(R.string.intent_stream_url)).toString()
     }
 
 
@@ -72,6 +78,13 @@ class PlayerActivity : AppCompatActivity() {
         }
     }
 
+    override fun onSaveInstanceState(outState: Bundle) {
+        outState.putInt(getString(R.string.state_resume_window), currentWindow)
+        outState.putLong(getString(R.string.state_resume_position), playbackPosition)
+        outState.putBoolean(getString(R.string.state_is_playing), playWhenReady)
+        super.onSaveInstanceState(outState)
+    }
+
     private fun initPlayer() {
         if (streamUrl.isEmpty()) {
             Log.e(javaClass.name, "No stream url was set.")
@@ -84,9 +97,11 @@ class PlayerActivity : AppCompatActivity() {
         val mediaSource = HlsMediaSource.Factory(dataSourceFactory)
             .createMediaSource(MediaItem.fromUri(Uri.parse(streamUrl)))
 
+        player.playWhenReady = playWhenReady
         player.setMediaSource(mediaSource)
+        player.seekTo(playbackPosition)
         player.prepare()
-        player.play()
+
 
         player.addListener(object : Player.EventListener {
             override fun onPlaybackStateChanged(state: Int) {
@@ -127,8 +142,12 @@ class PlayerActivity : AppCompatActivity() {
             }
         } else {
             @Suppress("deprecation")
-            window.decorView.systemUiVisibility =
-                (View.SYSTEM_UI_FLAG_FULLSCREEN or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION)
+            window.decorView.systemUiVisibility = (View.SYSTEM_UI_FLAG_IMMERSIVE
+                    or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                    or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+                    or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                    or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+                    or View.SYSTEM_UI_FLAG_FULLSCREEN)
         }
     }
 }

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

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:keepScreenOn="true"
     android:background="#000000"
     tools:context=".PlayerActivity">
 

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

@@ -18,4 +18,10 @@
     <string name="encrypted_preference_file_key" translatable="false">org.mosad.teapod.encrypted_preferences</string>
     <string name="save_key_user_login" translatable="false">org.mosad.teapod.user_login</string>
     <string name="save_key_user_password" translatable="false">org.mosad.teapod.user_password</string>
+
+    <!-- intents & states -->
+    <string name="intent_stream_url" translatable="false">intent_stream_url</string>
+    <string name="state_resume_window" translatable="false">state_resume_window</string>
+    <string name="state_resume_position" translatable="false">state_resume_position</string>
+    <string name="state_is_playing" translatable="false">state_is_playing</string>
 </resources>