Add sync library button to settings

README.md

@@ -2,6 +2,8 @@
 
 A fully-featured Jellyfin music and audiobook player for Android Automotive OS (AAOS) with offline download capabilities.
 
+[<img src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" alt="Get it on Google Play" height="80">](https://play.google.com/store/apps/details?id=com.chamika.dashtune)
+
 ## Overview
 
 DashTune brings the complete Jellyfin music library experience to your car's infotainment system. Stream your music collection, browse audiobooks, download tracks for offline playback, and enjoy seamless integration with Android Automotive OS.

automotive/build.gradle.kts

@@ -14,8 +14,8 @@ android {
         applicationId = "com.chamika.dashtune"
         minSdk = 28
         targetSdk = 36
-        versionCode = 16
-        versionName = "1.2.0"
+        versionCode = 17
+        versionName = "1.2.1"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }

automotive/src/main/java/com/chamika/dashtune/DashTuneSessionCallback.kt

@@ -423,8 +423,11 @@ class DashTuneSessionCallback(
                         }
                         (session as MediaLibraryService.MediaLibrarySession).notifyChildrenChanged(ROOT_ID, 4, null)
                         android.widget.Toast.makeText(service, R.string.library_synced, android.widget.Toast.LENGTH_SHORT).show()
+                        SessionResult(SessionResult.RESULT_SUCCESS)
+                    } else {
+                        android.widget.Toast.makeText(service, R.string.sync_failed, android.widget.Toast.LENGTH_SHORT).show()
+                        SessionResult(SessionError.ERROR_UNKNOWN)
                     }
-                    SessionResult(SessionResult.RESULT_SUCCESS)
                 }
             }
         }

automotive/src/main/java/com/chamika/dashtune/settings/SettingsFragment.kt

@@ -1,23 +1,35 @@
 package com.chamika.dashtune.settings
 
 import android.app.AlertDialog
+import android.content.ComponentName
 import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.lifecycleScope
+import androidx.media3.session.MediaController
+import androidx.media3.session.SessionCommand
+import androidx.media3.session.SessionResult
+import androidx.media3.session.SessionToken
 import androidx.preference.MultiSelectListPreference
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.PreferenceManager
+import com.chamika.dashtune.DashTuneMusicService
+import com.chamika.dashtune.DashTuneSessionCallback.Companion.SYNC_COMMAND
 import com.chamika.dashtune.R
 import com.chamika.dashtune.signin.SignInActivity
+import com.google.common.util.concurrent.ListenableFuture
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
+import java.text.DateFormat
+import java.util.Date
 
 @AndroidEntryPoint
 class SettingsFragment : PreferenceFragmentCompat() {
 
     private lateinit var viewModel: SettingsViewModel
+    private lateinit var controllerFuture: ListenableFuture<MediaController>
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.preferences, rootKey)
@@ -41,6 +53,28 @@ class SettingsFragment : PreferenceFragmentCompat() {
             }
         }
 
+        val syncPref = findPreference<Preference>("sync_library")
+        syncPref?.summary = lastSyncSummary()
+        syncPref?.setOnPreferenceClickListener {
+            syncPref.isEnabled = false
+            val controller = if (controllerFuture.isDone) controllerFuture.get() else null
+            if (controller == null) {
+                syncPref.isEnabled = true
+                return@setOnPreferenceClickListener true
+            }
+            val resultFuture = controller.sendCustomCommand(
+                SessionCommand(SYNC_COMMAND, Bundle.EMPTY), Bundle.EMPTY
+            )
+            resultFuture.addListener({
+                val result = resultFuture.get()
+                if (result.resultCode == SessionResult.RESULT_SUCCESS) {
+                    syncPref.summary = lastSyncSummary()
+                }
+                syncPref.isEnabled = true
+            }, requireActivity().mainExecutor)
+            true
+        }
+
         findPreference<Preference>("sign_out")?.setOnPreferenceClickListener {
             AlertDialog.Builder(requireContext())
                 .setMessage(R.string.sign_out_confirmation)
@@ -57,4 +91,30 @@ class SettingsFragment : PreferenceFragmentCompat() {
             true
         }
     }
+
+    override fun onStart() {
+        super.onStart()
+        val token = SessionToken(
+            requireContext(),
+            ComponentName(requireContext(), DashTuneMusicService::class.java)
+        )
+        controllerFuture = MediaController.Builder(requireContext(), token).buildAsync()
+    }
+
+    override fun onStop() {
+        MediaController.releaseFuture(controllerFuture)
+        super.onStop()
+    }
+
+    private fun lastSyncSummary(): String {
+        val lastSync = PreferenceManager.getDefaultSharedPreferences(requireContext())
+            .getLong("last_sync_timestamp", 0L)
+        return if (lastSync > 0) {
+            val formatted = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT)
+                .format(Date(lastSync))
+            getString(R.string.sync_library_last_synced, formatted)
+        } else {
+            getString(R.string.sync_library_never)
+        }
+    }
 }

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

@@ -36,4 +36,8 @@
     <string name="max_categories_warning">Select at most 4 categories</string>
     <string name="cache_favourites">Cache favourites</string>
     <string name="cache_favourites_summary">Pre-download all favourite songs for offline playback</string>
+    <string name="sync_library">Sync library</string>
+    <string name="sync_library_never">Never synced</string>
+    <string name="sync_library_last_synced">Last synced: %s</string>
+    <string name="sync_failed">Sync failed</string>
 </resources>

automotive/src/main/res/xml/preferences.xml

@@ -39,6 +39,10 @@
         android:summary="@string/browse_categories_summary"
         android:title="@string/browse_categories" />
 
+    <Preference
+        android:key="sync_library"
+        android:title="@string/sync_library" />
+
     <Preference
         android:key="version"
         android:title="@string/app_version" />