Add equalizer shortcut

app/src/main/kotlin/it/vfsfitvnm/vimusic/services/PlayerService.kt

@@ -58,6 +58,8 @@ val DeleteSongCacheCommand = SessionCommand("DeleteSongCacheCommand", Bundle.EMP
 
 val SetSkipSilenceCommand = SessionCommand("SetSkipSilenceCommand", Bundle.EMPTY)
 
+val GetAudioSessionIdCommand = SessionCommand("GetAudioSessionIdCommand", Bundle.EMPTY)
+
 @ExperimentalAnimationApi
 @ExperimentalFoundationApi
 class PlayerService : MediaSessionService(), MediaSession.MediaItemFiller,
@@ -107,6 +109,8 @@ class PlayerService : MediaSessionService(), MediaSession.MediaItemFiller,
             )
             .build()
 
+
+
         player.repeatMode = preferences.repeatMode
         player.skipSilenceEnabled = preferences.skipSilence
         player.playWhenReady = true
@@ -189,6 +193,7 @@ class PlayerService : MediaSessionService(), MediaSession.MediaItemFiller,
             .add(GetCacheSizeCommand)
             .add(DeleteSongCacheCommand)
             .add(SetSkipSilenceCommand)
+            .add(GetAudioSessionIdCommand)
             .build()
         val playerCommands = Player.Commands.Builder().addAllCommands().build()
         return MediaSession.ConnectionResult.accept(sessionCommands, playerCommands)
@@ -230,6 +235,9 @@ class PlayerService : MediaSessionService(), MediaSession.MediaItemFiller,
             SetSkipSilenceCommand -> {
                 player.skipSilenceEnabled = args.getBoolean("skipSilence")
             }
+            GetAudioSessionIdCommand -> {
+                return Futures.immediateFuture(SessionResult(SessionResult.RESULT_SUCCESS, bundleOf("audioSessionId" to player.audioSessionId)))
+            }
         }
 
         return super.onCustomCommand(session, controller, customCommand, args)

app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/SettingsScreen.kt

@@ -188,8 +188,8 @@ fun SettingsScreen() {
                 Entry(
                     color = colorPalette.magenta,
                     icon = R.drawable.play,
-                    title = "Player",
+                    title = "Player & Audio",
-                    description = "Tune the player behavior",
+                    description = "Player and audio settings",
                     route = playerSettingsRoute,
                 )
 
@@ -311,23 +311,38 @@ fun SwitchSettingEntry(
 }
 
 @Composable
-@NonRestartableComposable
 fun SettingsEntry(
     title: String,
     text: String,
     modifier: Modifier = Modifier,
-    onClick: () -> Unit
+    onClick: () -> Unit,
+    isEnabled: Boolean = true
 ) {
-    BaseSettingsEntry(
+    val typography = LocalTypography.current
-        title = title,
+    val colorPalette = LocalColorPalette.current
-        text = text,
+
+    Column(
         modifier = modifier
             .clickable(
                 indication = rememberRipple(bounded = true),
                 interactionSource = remember { MutableInteractionSource() },
-                onClick = onClick
+                onClick = onClick,
+                enabled = isEnabled
             )
-    )
+            .padding(start = 24.dp)
+            .padding(horizontal = 32.dp, vertical = 16.dp)
+            .fillMaxWidth()
+    ) {
+        BasicText(
+            text = title,
+            style = typography.xs.semiBold.copy(color = if (isEnabled) colorPalette.text else colorPalette.darkGray),
+        )
+
+        BasicText(
+            text = text,
+            style = typography.xs.semiBold.copy(color = if (isEnabled) colorPalette.textSecondary else colorPalette.darkGray),
+        )
+    }
 }
 
 @Composable

app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/settings/PlayerSettingsScreen.kt

@@ -1,17 +1,27 @@
 package it.vfsfitvnm.vimusic.ui.screens.settings
 
+import android.content.Intent
+import android.media.audiofx.AudioEffect
+import android.os.Bundle
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.animation.ExperimentalAnimationApi
 import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.text.BasicText
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.produceState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ColorFilter
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import androidx.core.os.bundleOf
+import androidx.media3.common.C
 import it.vfsfitvnm.route.RouteHandler
 import it.vfsfitvnm.vimusic.R
+import it.vfsfitvnm.vimusic.services.GetAudioSessionIdCommand
 import it.vfsfitvnm.vimusic.services.SetSkipSilenceCommand
 import it.vfsfitvnm.vimusic.ui.components.TopAppBar
 import it.vfsfitvnm.vimusic.ui.screens.*
@@ -20,6 +30,8 @@ import it.vfsfitvnm.vimusic.ui.styling.LocalTypography
 import it.vfsfitvnm.vimusic.utils.LocalPreferences
 import it.vfsfitvnm.vimusic.utils.LocalYoutubePlayer
 import it.vfsfitvnm.vimusic.utils.semiBold
+import kotlinx.coroutines.guava.await
+
 
 @ExperimentalAnimationApi
 @Composable
@@ -43,11 +55,32 @@ fun PlayerSettingsScreen() {
         }
 
         host {
+            val context = LocalContext.current
             val colorPalette = LocalColorPalette.current
             val typography = LocalTypography.current
             val preferences = LocalPreferences.current
             val mediaController = LocalYoutubePlayer.current?.mediaController
 
+            val activityResultLauncher =
+                rememberLauncherForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+                }
+
+            val audioSessionId by produceState(initialValue = C.AUDIO_SESSION_ID_UNSET) {
+                val hasEqualizer = context.packageManager.resolveActivity(
+                    Intent(AudioEffect.ACTION_DISPLAY_AUDIO_EFFECT_CONTROL_PANEL),
+                    0
+                ) != null
+
+                println("hasEqualizer? $hasEqualizer")
+
+                if (hasEqualizer) {
+                    value =
+                        mediaController?.sendCustomCommand(GetAudioSessionIdCommand, Bundle.EMPTY)
+                            ?.await()?.extras?.getInt("audioSessionId", C.AUDIO_SESSION_ID_UNSET)
+                            ?: C.AUDIO_SESSION_ID_UNSET
+                }
+            }
+
             Column(
                 modifier = Modifier
                     .background(colorPalette.background)
@@ -70,7 +103,7 @@ fun PlayerSettingsScreen() {
                     )
 
                     BasicText(
-                        text = "Player",
+                        text = "Player & Audio",
                         style = typography.m.semiBold
                     )
 
@@ -96,10 +129,27 @@ fun PlayerSettingsScreen() {
                     text = "Skip silent parts during playback",
                     isChecked = preferences.skipSilence,
                     onCheckedChange = {
-                        mediaController?.sendCustomCommand(SetSkipSilenceCommand, bundleOf("skipSilence" to it))
+                        mediaController?.sendCustomCommand(
+                            SetSkipSilenceCommand,
+                            bundleOf("skipSilence" to it)
+                        )
                         preferences.skipSilence = it
                     }
                 )
+
+                SettingsEntry(
+                    title = "Equalizer",
+                    text = "Interact with the system equalizer",
+                    onClick = {
+                        activityResultLauncher.launch(
+                            Intent(AudioEffect.ACTION_DISPLAY_AUDIO_EFFECT_CONTROL_PANEL).apply {
+                                putExtra(AudioEffect.EXTRA_AUDIO_SESSION, audioSessionId)
+                                putExtra(AudioEffect.EXTRA_CONTENT_TYPE, AudioEffect.CONTENT_TYPE_MUSIC)
+                            }
+                        )
+                    },
+                    isEnabled = audioSessionId != C.AUDIO_SESSION_ID_UNSET && audioSessionId != AudioEffect.ERROR_BAD_VALUE
+                )
             }
         }
     }