Added localization

app/src/main/java/com/keylightpiano/pianotimeline/domain/Recording.kt

@@ -26,9 +26,11 @@ data class Recording(
 ) {
     val hasMidi: Boolean get() = midiFileName != null
 
-    /** "22 Jun 2026" style for display. */
+    /** "22 Jun 2026" style for display, in the device's current locale. */
     val formattedDate: String
-        get() = date.format(DateTimeFormatter.ofPattern("d MMM yyyy", Locale.ENGLISH))
+        get() = date.format(
+            DateTimeFormatter.ofPattern("d MMM yyyy", Locale.getDefault())
+        )
 
     val groupingArtist: String
         get() = if (artist.contains("soundtrack", ignoreCase = true)) "Soundtracks" else artist

app/src/main/java/com/keylightpiano/pianotimeline/ui/MiniPlayer.kt

@@ -36,9 +36,11 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
+import com.keylightpiano.pianotimeline.R
 import com.keylightpiano.pianotimeline.domain.Recording
 import com.keylightpiano.pianotimeline.player.PlaybackState
 
@@ -154,7 +156,7 @@ fun MiniPlayer(
                 IconButton(onClick = onPrevious, modifier = Modifier.size(40.dp)) {
                     Icon(
                         painter = painterResource(android.R.drawable.ic_media_previous),
-                        contentDescription = "Previous",
+                        contentDescription = stringResource(R.string.cd_previous),
                         modifier = Modifier.size(22.dp)
                     )
                 }
@@ -165,7 +167,7 @@ fun MiniPlayer(
                             if (playback.isPlaying) android.R.drawable.ic_media_pause
                             else android.R.drawable.ic_media_play
                         ),
-                        contentDescription = if (playback.isPlaying) "Pause" else "Play",
+                        contentDescription = stringResource(if (playback.isPlaying) R.string.cd_pause else R.string.cd_play),
                         modifier = Modifier.size(24.dp)
                     )
                 }
@@ -173,7 +175,7 @@ fun MiniPlayer(
                 IconButton(onClick = onNext, modifier = Modifier.size(40.dp)) {
                     Icon(
                         painter = painterResource(android.R.drawable.ic_media_next),
-                        contentDescription = "Next",
+                        contentDescription = stringResource(R.string.cd_next),
                         modifier = Modifier.size(22.dp)
                     )
                 }
@@ -207,7 +209,7 @@ fun MiniPlayer(
                 IconButton(onClick = onDismiss, modifier = Modifier.size(40.dp)) {
                     Icon(
                         imageVector = Icons.Default.Close,
-                        contentDescription = "Stop",
+                        contentDescription = stringResource(R.string.cd_stop),
                         modifier = Modifier.size(20.dp)
                     )
                 }

app/src/main/java/com/keylightpiano/pianotimeline/ui/RecordingItem.kt

@@ -36,9 +36,11 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
+import com.keylightpiano.pianotimeline.R
 import com.keylightpiano.pianotimeline.domain.Recording
 
 private val NotesGreen = Color(0xFF25B300)
@@ -88,7 +90,7 @@ fun RecordingItem(
                             if (isPlaying) android.R.drawable.ic_media_pause
                             else android.R.drawable.ic_media_play
                         ),
-                        contentDescription = if (isPlaying) "Pause" else "Play",
+                        contentDescription = stringResource(if (isPlaying) R.string.cd_pause else R.string.cd_play),
                         modifier = Modifier.size(22.dp)
                     )
                 }
@@ -148,7 +150,7 @@ fun RecordingItem(
                     Icon(
                         imageVector = if (recording.isFavorite) Icons.Filled.Star
                                       else Icons.Outlined.StarBorder,
-                        contentDescription = if (recording.isFavorite) "Unfavorite" else "Favorite",
+                        contentDescription = stringResource(if (recording.isFavorite) R.string.cd_unfavorite else R.string.cd_favorite),
                         tint = if (recording.isFavorite) Color(0xFFFFC107)
                                else MaterialTheme.colorScheme.onSurfaceVariant,
                         modifier = Modifier.size(20.dp)
@@ -164,7 +166,7 @@ fun RecordingItem(
                         border = BorderStroke(1.5.dp, NotesGreen)
                     ) {
                         Text(
-                            "Notes",
+                            stringResource(R.string.notes),
                             style = MaterialTheme.typography.labelSmall,
                             color = NotesGreen
                         )
@@ -191,7 +193,7 @@ fun RecordingItem(
             onDismissRequest = { menuExpanded = false }
         ) {
             DropdownMenuItem(
-                text = { Text("Share audio") },
+                text = { Text(stringResource(R.string.menu_share_audio)) },
                 onClick = {
                     menuExpanded = false
                     onShareAudio()
@@ -199,7 +201,7 @@ fun RecordingItem(
             )
             if (onShareVisualization != null) {
                 DropdownMenuItem(
-                    text = { Text("Share visualization") },
+                    text = { Text(stringResource(R.string.menu_share_visualization)) },
                     onClick = {
                         menuExpanded = false
                         onShareVisualization()
@@ -207,7 +209,7 @@ fun RecordingItem(
                 )
             }
             DropdownMenuItem(
-                text = { Text("Copy link") },
+                text = { Text(stringResource(R.string.menu_copy_link)) },
                 onClick = {
                     menuExpanded = false
                     onCopyLink()

app/src/main/java/com/keylightpiano/pianotimeline/ui/RecordingListScreen.kt

@@ -57,6 +57,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
@@ -172,7 +173,7 @@ fun RecordingListScreen(
                                 .size(28.dp)
                                 .padding(end = 8.dp)
                         )
-                        Text("Piano Timeline", fontWeight = FontWeight.Bold)
+                        Text(stringResource(R.string.title_app), fontWeight = FontWeight.Bold)
                     }
                 },
                 actions = {
@@ -180,7 +181,7 @@ fun RecordingListScreen(
                     IconButton(onClick = { vm.toggleShuffle() }) {
                         Icon(
                             imageVector = Icons.Default.Shuffle,
-                            contentDescription = "Shuffle",
+                            contentDescription = stringResource(R.string.cd_shuffle),
                             tint = if (shuffle) MaterialTheme.colorScheme.primary
                                    else MaterialTheme.colorScheme.onSurfaceVariant
                         )
@@ -190,7 +191,7 @@ fun RecordingListScreen(
                         Icon(
                             imageVector = if (repeatMode == RepeatMode.ONE)
                                 Icons.Default.RepeatOne else Icons.Default.Repeat,
-                            contentDescription = "Repeat",
+                            contentDescription = stringResource(R.string.cd_repeat),
                             tint = if (repeatMode == RepeatMode.OFF)
                                 MaterialTheme.colorScheme.onSurfaceVariant
                             else MaterialTheme.colorScheme.primary
@@ -200,7 +201,7 @@ fun RecordingListScreen(
                     IconButton(onClick = { showControls = !showControls }) {
                         Icon(
                             imageVector = Icons.Default.Search,
-                            contentDescription = "Search & Filter",
+                            contentDescription = stringResource(R.string.cd_search_filter),
                             tint = if (hasActiveFilter) MaterialTheme.colorScheme.primary
                                    else MaterialTheme.colorScheme.onSurfaceVariant
                         )
@@ -229,7 +230,7 @@ fun RecordingListScreen(
                     Column(horizontalAlignment = Alignment.CenterHorizontally) {
                         CircularProgressIndicator()
                         Spacer(Modifier.height(12.dp))
-                        Text("Syncing...", style = MaterialTheme.typography.bodyMedium)
+                        Text(stringResource(R.string.syncing), style = MaterialTheme.typography.bodyMedium)
                     }
                 }
             }
@@ -241,9 +242,9 @@ fun RecordingListScreen(
                         verticalArrangement = Arrangement.spacedBy(12.dp),
                         modifier = Modifier.padding(24.dp)
                     ) {
-                        Text("Couldn't load recordings", style = MaterialTheme.typography.titleMedium)
+                        Text(stringResource(R.string.error_load_title), style = MaterialTheme.typography.titleMedium)
                         Text(s.message, style = MaterialTheme.typography.bodySmall)
-                        Button(onClick = { vm.retry() }) { Text("Retry") }
+                        Button(onClick = { vm.retry() }) { Text(stringResource(R.string.retry)) }
                     }
                 }
             }
@@ -260,12 +261,12 @@ fun RecordingListScreen(
                                 value = searchQuery,
                                 onValueChange = { vm.setSearchQuery(it) },
                                 modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp, vertical = 4.dp),
-                                placeholder = { Text("Search artist, title...") },
+                                placeholder = { Text(stringResource(R.string.search_placeholder)) },
                                 leadingIcon = { Icon(Icons.Default.Search, contentDescription = null) },
                                 trailingIcon = {
                                     if (searchQuery.isNotEmpty()) {
                                         IconButton(onClick = { vm.setSearchQuery("") }) {
-                                            Icon(Icons.Default.Clear, contentDescription = "Clear")
+                                            Icon(Icons.Default.Clear, contentDescription = stringResource(R.string.cd_clear))
                                         }
                                     }
                                 },
@@ -280,14 +281,14 @@ fun RecordingListScreen(
                             ) {
                                 Box {
                                     TextButton(onClick = { showSortMenu = true }) {
-                                        Text(sortMode.label, style = MaterialTheme.typography.labelMedium)
+                                        Text(stringResource(sortMode.labelRes), style = MaterialTheme.typography.labelMedium)
                                     }
                                     DropdownMenu(expanded = showSortMenu, onDismissRequest = { showSortMenu = false }) {
                                         SortMode.entries.forEach { mode ->
                                             DropdownMenuItem(
                                                 text = {
                                                     Text(
-                                                        mode.label,
+                                                        stringResource(mode.labelRes),
                                                         fontWeight = if (mode == sortMode) FontWeight.Bold else FontWeight.Normal
                                                     )
                                                 },
@@ -302,16 +303,16 @@ fun RecordingListScreen(
 
                                 TextButton(onClick = { showArtistFilter = !showArtistFilter }) {
                                     Text(
-                                        if (hiddenArtists.isEmpty()) "Artists"
+                                        if (hiddenArtists.isEmpty()) stringResource(R.string.filter_artists)
-                                        else "Artists (${hiddenArtists.size} hidden)",
+                                        else stringResource(R.string.filter_artists_hidden, hiddenArtists.size),
                                         style = MaterialTheme.typography.labelMedium
                                     )
                                 }
 
                                 TextButton(onClick = { showYearFilter = !showYearFilter }) {
                                     Text(
-                                        if (hiddenYears.isEmpty()) "Years"
+                                        if (hiddenYears.isEmpty()) stringResource(R.string.filter_years)
-                                        else "Years (${hiddenYears.size} hidden)",
+                                        else stringResource(R.string.filter_years_hidden, hiddenYears.size),
                                         style = MaterialTheme.typography.labelMedium
                                     )
                                 }
@@ -325,10 +326,10 @@ fun RecordingListScreen(
                                 Column(modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp)) {
                                     Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
                                         TextButton(onClick = { vm.showAllArtists() }) {
-                                            Text("All", style = MaterialTheme.typography.labelSmall)
+                                            Text(stringResource(R.string.filter_all), style = MaterialTheme.typography.labelSmall)
                                         }
                                         TextButton(onClick = { vm.hideAllArtists() }) {
-                                            Text("None", style = MaterialTheme.typography.labelSmall)
+                                            Text(stringResource(R.string.filter_none), style = MaterialTheme.typography.labelSmall)
                                         }
                                     }
                                     FlowRow(
@@ -354,10 +355,10 @@ fun RecordingListScreen(
                                 Column(modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp)) {
                                     Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
                                         TextButton(onClick = { vm.showAllYears() }) {
-                                            Text("All", style = MaterialTheme.typography.labelSmall)
+                                            Text(stringResource(R.string.filter_all), style = MaterialTheme.typography.labelSmall)
                                         }
                                         TextButton(onClick = { vm.hideAllYears() }) {
-                                            Text("None", style = MaterialTheme.typography.labelSmall)
+                                            Text(stringResource(R.string.filter_none), style = MaterialTheme.typography.labelSmall)
                                         }
                                     }
                                     FlowRow(
@@ -380,7 +381,7 @@ fun RecordingListScreen(
                     }
 
                     Text(
-                        text = "${recordings.size} recordings",
+                        text = stringResource(R.string.recordings_count, recordings.size),
                         style = MaterialTheme.typography.labelSmall,
                         color = MaterialTheme.colorScheme.onSurfaceVariant,
                         modifier = Modifier.padding(horizontal = 16.dp, vertical = 4.dp)
@@ -450,6 +451,6 @@ private fun copyLink(context: android.content.Context, url: String) {
     // On Android 13+ the system shows its own "copied" confirmation; on older
     // versions a Toast is the norm.
     if (android.os.Build.VERSION.SDK_INT < 33) {
-        android.widget.Toast.makeText(context, "Link copied", android.widget.Toast.LENGTH_SHORT).show()
+        android.widget.Toast.makeText(context, context.getString(R.string.toast_link_copied), android.widget.Toast.LENGTH_SHORT).show()
     }
 }

app/src/main/java/com/keylightpiano/pianotimeline/ui/SortMode.kt

@@ -1,15 +1,19 @@
 package com.keylightpiano.pianotimeline.ui
 
+import androidx.annotation.StringRes
+import com.keylightpiano.pianotimeline.R
+
 /**
  * Available sort modes for the recording list.
- * Each knows how to produce a Comparator for Recording.
+ * Each carries a string-resource id for its label (resolved at display time via
+ * stringResource), so the labels localize automatically.
  */
-enum class SortMode(val label: String) {
+enum class SortMode(@StringRes val labelRes: Int) {
-    DATE_DESC("Newest first"),
+    DATE_DESC(R.string.sort_newest),
-    DATE_ASC("Oldest first"),
+    DATE_ASC(R.string.sort_oldest),
-    ARTIST_AZ("Artist A → Z"),
+    ARTIST_AZ(R.string.sort_artist_az),
-    ARTIST_ZA("Artist Z → A"),
+    ARTIST_ZA(R.string.sort_artist_za),
-    TITLE_AZ("Title A → Z"),
+    TITLE_AZ(R.string.sort_title_az),
-    DURATION_DESC("Longest first"),
+    DURATION_DESC(R.string.sort_longest),
-    DURATION_ASC("Shortest first");
+    DURATION_ASC(R.string.sort_shortest);
 }

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

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- app_name intentionally NOT translated: keep the brand name "Piano Timeline" -->
+
+    <!-- Top bar -->
+    <string name="title_app">Piano Timeline</string>
+    <string name="cd_shuffle">Aleatorio</string>
+    <string name="cd_repeat">Repetir</string>
+    <string name="cd_search_filter">Buscar y filtrar</string>
+
+    <!-- Sync states -->
+    <string name="syncing">Sincronizando\u2026</string>
+    <string name="error_load_title">No se pudieron cargar las grabaciones</string>
+    <string name="retry">Reintentar</string>
+
+    <!-- Search & filters -->
+    <string name="search_placeholder">Buscar artista, t\u00EDtulo\u2026</string>
+    <string name="cd_clear">Borrar</string>
+    <string name="filter_artists">Artistas</string>
+    <string name="filter_artists_hidden">Artistas (%1$d ocultos)</string>
+    <string name="filter_years">A\u00F1os</string>
+    <string name="filter_years_hidden">A\u00F1os (%1$d ocultos)</string>
+    <string name="filter_all">Todos</string>
+    <string name="filter_none">Ninguno</string>
+
+    <!-- Recording count -->
+    <string name="recordings_count">%1$d grabaciones</string>
+
+    <!-- Card -->
+    <string name="cd_play">Reproducir</string>
+    <string name="cd_pause">Pausar</string>
+    <string name="cd_favorite">A\u00F1adir a favoritos</string>
+    <string name="cd_unfavorite">Quitar de favoritos</string>
+    <string name="notes">Notas</string>
+
+    <!-- Long-press menu -->
+    <string name="menu_share_audio">Compartir audio</string>
+    <string name="menu_share_visualization">Compartir visualizaci\u00F3n</string>
+    <string name="menu_copy_link">Copiar enlace</string>
+    <string name="toast_link_copied">Enlace copiado</string>
+
+    <!-- Mini-player -->
+    <string name="cd_previous">Anterior</string>
+    <string name="cd_next">Siguiente</string>
+    <string name="cd_stop">Detener</string>
+
+    <!-- Sort modes -->
+    <string name="sort_newest">M\u00E1s recientes</string>
+    <string name="sort_oldest">M\u00E1s antiguas</string>
+    <string name="sort_artist_az">Artista A \u2192 Z</string>
+    <string name="sort_artist_za">Artista Z \u2192 A</string>
+    <string name="sort_title_az">T\u00EDtulo A \u2192 Z</string>
+    <string name="sort_longest">M\u00E1s largas</string>
+    <string name="sort_shortest">M\u00E1s cortas</string>
+</resources>

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

@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- app_name intentionally NOT translated: keep the brand name "Piano Timeline" -->
+
+    <!-- Top bar -->
+    <string name="title_app">Piano Timeline</string>
+    <string name="cd_shuffle">Casuale</string>
+    <string name="cd_repeat">Ripeti</string>
+    <string name="cd_search_filter">Cerca e filtra</string>
+
+    <!-- Sync states -->
+    <string name="syncing">Sincronizzazione\u2026</string>
+    <string name="error_load_title">Impossibile caricare le registrazioni</string>
+    <string name="retry">Riprova</string>
+
+    <!-- Search & filters -->
+    <string name="search_placeholder">Cerca artista, titolo\u2026</string>
+    <string name="cd_clear">Cancella</string>
+    <string name="filter_artists">Artisti</string>
+    <string name="filter_artists_hidden">Artisti (%1$d nascosti)</string>
+    <string name="filter_years">Anni</string>
+    <string name="filter_years_hidden">Anni (%1$d nascosti)</string>
+    <string name="filter_all">Tutti</string>
+    <string name="filter_none">Nessuno</string>
+
+    <!-- Recording count -->
+    <string name="recordings_count">%1$d registrazioni</string>
+
+    <!-- Card -->
+    <string name="cd_play">Riproduci</string>
+    <string name="cd_pause">Pausa</string>
+    <string name="cd_favorite">Aggiungi ai preferiti</string>
+    <string name="cd_unfavorite">Rimuovi dai preferiti</string>
+    <string name="notes">Note</string>
+
+    <!-- Long-press menu -->
+    <string name="menu_share_audio">Condividi audio</string>
+    <string name="menu_share_visualization">Condividi visualizzazione</string>
+    <string name="menu_copy_link">Copia link</string>
+    <string name="toast_link_copied">Link copiato</string>
+
+    <!-- Mini-player -->
+    <string name="cd_previous">Precedente</string>
+    <string name="cd_next">Successivo</string>
+    <string name="cd_stop">Ferma</string>
+
+    <!-- Sort modes -->
+    <string name="sort_newest">Pi\u00F9 recenti</string>
+    <string name="sort_oldest">Meno recenti</string>
+    <string name="sort_artist_az">Artista A \u2192 Z</string>
+    <string name="sort_artist_za">Artista Z \u2192 A</string>
+    <string name="sort_title_az">Titolo A \u2192 Z</string>
+    <string name="sort_longest">Pi\u00F9 lunghi</string>
+    <string name="sort_shortest">Pi\u00F9 brevi</string>
+</resources>

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

@@ -1,3 +1,55 @@
+<?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">PianoTimeline</string>
+    <string name="app_name">Piano Timeline</string>
+
+    <!-- Top bar -->
+    <string name="title_app">Piano Timeline</string>
+    <string name="cd_shuffle">Shuffle</string>
+    <string name="cd_repeat">Repeat</string>
+    <string name="cd_search_filter">Search &amp; Filter</string>
+
+    <!-- Sync states -->
+    <string name="syncing">Syncing\u2026</string>
+    <string name="error_load_title">Couldn\'t load recordings</string>
+    <string name="retry">Retry</string>
+
+    <!-- Search & filters -->
+    <string name="search_placeholder">Search artist, title\u2026</string>
+    <string name="cd_clear">Clear</string>
+    <string name="filter_artists">Artists</string>
+    <string name="filter_artists_hidden">Artists (%1$d hidden)</string>
+    <string name="filter_years">Years</string>
+    <string name="filter_years_hidden">Years (%1$d hidden)</string>
+    <string name="filter_all">All</string>
+    <string name="filter_none">None</string>
+
+    <!-- Recording count -->
+    <string name="recordings_count">%1$d recordings</string>
+
+    <!-- Card -->
+    <string name="cd_play">Play</string>
+    <string name="cd_pause">Pause</string>
+    <string name="cd_favorite">Favorite</string>
+    <string name="cd_unfavorite">Unfavorite</string>
+    <string name="notes">Notes</string>
+
+    <!-- Long-press menu -->
+    <string name="menu_share_audio">Share audio</string>
+    <string name="menu_share_visualization">Share visualization</string>
+    <string name="menu_copy_link">Copy link</string>
+    <string name="toast_link_copied">Link copied</string>
+
+    <!-- Mini-player -->
+    <string name="cd_previous">Previous</string>
+    <string name="cd_next">Next</string>
+    <string name="cd_stop">Stop</string>
+
+    <!-- Sort modes -->
+    <string name="sort_newest">Newest first</string>
+    <string name="sort_oldest">Oldest first</string>
+    <string name="sort_artist_az">Artist A \u2192 Z</string>
+    <string name="sort_artist_za">Artist Z \u2192 A</string>
+    <string name="sort_title_az">Title A \u2192 Z</string>
+    <string name="sort_longest">Longest first</string>
+    <string name="sort_shortest">Shortest first</string>
 </resources>