appwidget: redocument

Redocument the appwidget (formerly widget) module.

This commit also re-architectures the module somewhat to make further
extension easier later on.

README.md

@@ -1,4 +1,4 @@
-<p align="center"><img src="fastlane/metadata/android/en-US/images/icon.png" width="150"></p>
+d<p align="center"><img src="fastlane/metadata/android/en-US/images/icon.png" width="150"></p>
 <h1 align="center"><b>Auxio</b></h1>
 <h4 align="center">A simple, rational music player for android.</h4>
 <p align="center">
@@ -46,9 +46,10 @@ I primarily built Auxio for myself, but you can use it too, I guess.
 - Snappy UI derived from the latest Material Design guidelines
 - Opinionated UX that prioritizes ease of use over edge cases
 - Customizable behavior
-- Seamless artist system that unifies album artist and artist tags
+- Support for disc numbers, multiple artists, release types,
-- Advanced media indexer with support for multiple artists, release types,
+precise/original dates, sort tags, and more
-  precise/original dates, sort tags, and more
+- Advanced artist system that unifies artists and album artists
+into a single entry
 - SD Card-aware folder management
 - Reliable playback state persistence
 - Full ReplayGain support (On MP3, FLAC, OGG, OPUS, and MP4 files)

app/src/main/java/org/oxycblt/auxio/MainActivity.kt

@@ -59,13 +59,11 @@ class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-
         setupTheme()
-
+        // Inflate the views after setting up the theme so that the theme attributes are applied.
         val binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
         setupEdgeToEdge(binding.root)
-
         logD("Activity created")
     }
 
@@ -76,6 +74,7 @@ class MainActivity : AppCompatActivity() {
         startService(Intent(this, PlaybackService::class.java))
 
         if (!startIntentAction(intent)) {
+            // No intent action to do, just restore the previously saved state.
             playbackModel.startAction(InternalPlayer.Action.RestoreState)
         }
     }
@@ -85,6 +84,32 @@ class MainActivity : AppCompatActivity() {
         startIntentAction(intent)
     }
 
+    private fun setupTheme() {
+        val settings = Settings(this)
+        // Apply the theme configuration.
+        AppCompatDelegate.setDefaultNightMode(settings.theme)
+        // Apply the color scheme. The black theme requires it's own set of themes since
+        // it's not possible to modify the themes at run-time.
+        if (isNight && settings.useBlackTheme) {
+            logD("Applying black theme [accent ${settings.accent}]")
+            setTheme(settings.accent.blackTheme)
+        } else {
+            logD("Applying normal theme [accent ${settings.accent}]")
+            setTheme(settings.accent.theme)
+        }
+    }
+
+    private fun setupEdgeToEdge(contentView: View) {
+        WindowCompat.setDecorFitsSystemWindows(window, false)
+        contentView.setOnApplyWindowInsetsListener { view, insets ->
+            // Automatically inset the view to the left/right, as component support for
+            // these insets are highly lacking.
+            val bars = insets.systemBarInsetsCompat
+            view.updatePadding(left = bars.left, right = bars.right)
+            insets
+        }
+    }
+
     /**
      * Transform an [Intent] given to [MainActivity] into a [InternalPlayer.Action]
      * that can be used in the playback system.
@@ -117,30 +142,6 @@ class MainActivity : AppCompatActivity() {
         return true
     }
 
-    private fun setupTheme() {
-        val settings = Settings(this)
-        // Set up the current theme.
-        AppCompatDelegate.setDefaultNightMode(settings.theme)
-        // Set up the color scheme. Note that the black theme has it's own set
-        // of styles since the color schemes cannot be modified at runtime.
-        if (isNight && settings.useBlackTheme) {
-            logD("Applying black theme [accent ${settings.accent}]")
-            setTheme(settings.accent.blackTheme)
-        } else {
-            logD("Applying normal theme [accent ${settings.accent}]")
-            setTheme(settings.accent.theme)
-        }
-    }
-
-    private fun setupEdgeToEdge(contentView: View) {
-        WindowCompat.setDecorFitsSystemWindows(window, false)
-        contentView.setOnApplyWindowInsetsListener { view, insets ->
-            val bars = insets.systemBarInsetsCompat
-            view.updatePadding(left = bars.left, right = bars.right)
-            insets
-        }
-    }
-
     companion object {
         private const val KEY_INTENT_USED = BuildConfig.APPLICATION_ID + ".key.FILE_INTENT_USED"
     }

app/src/main/java/org/oxycblt/auxio/MainFragment.kt

@@ -69,6 +69,8 @@ class MainFragment :
     override fun onCreateBinding(inflater: LayoutInflater) = FragmentMainBinding.inflate(inflater)
 
     override fun onBindingCreated(binding: FragmentMainBinding, savedInstanceState: Bundle?) {
+        super.onBindingCreated(binding, savedInstanceState)
+
         // --- UI SETUP ---
         val context = requireActivity()
         // Override the back pressed callback so we can map back navigation to collapsing

app/src/main/java/org/oxycblt/auxio/detail/AlbumDetailFragment.kt

@@ -75,6 +75,7 @@ class AlbumDetailFragment : ListFragment<FragmentDetailBinding>(), AlbumDetailAd
     override fun onBindingCreated(binding: FragmentDetailBinding, savedInstanceState: Bundle?) {
         super.onBindingCreated(binding, savedInstanceState)
 
+        // --- UI SETUP --
         binding.detailToolbar.apply {
             inflateMenu(R.menu.menu_album_detail)
             setNavigationOnClickListener { findNavController().navigateUp() }
@@ -84,10 +85,8 @@ class AlbumDetailFragment : ListFragment<FragmentDetailBinding>(), AlbumDetailAd
         binding.detailRecycler.adapter = detailAdapter
 
         // -- VIEWMODEL SETUP ---
-
         // DetailViewModel handles most initialization from the navigation argument.
         detailModel.setAlbumUid(args.albumUid)
-
         collectImmediately(detailModel.currentAlbum, ::updateAlbum)
         collectImmediately(detailModel.albumList, detailAdapter::submitList)
         collectImmediately(

app/src/main/java/org/oxycblt/auxio/detail/ArtistDetailFragment.kt

@@ -75,6 +75,7 @@ class ArtistDetailFragment : ListFragment<FragmentDetailBinding>(), DetailAdapte
     override fun onBindingCreated(binding: FragmentDetailBinding, savedInstanceState: Bundle?) {
         super.onBindingCreated(binding, savedInstanceState)
 
+        // --- UI SETUP ---
         binding.detailToolbar.apply {
             inflateMenu(R.menu.menu_genre_artist_detail)
             setNavigationOnClickListener { findNavController().navigateUp() }
@@ -84,10 +85,8 @@ class ArtistDetailFragment : ListFragment<FragmentDetailBinding>(), DetailAdapte
         binding.detailRecycler.adapter = detailAdapter
 
         // --- VIEWMODEL SETUP ---
-
         // DetailViewModel handles most initialization from the navigation argument.
         detailModel.setArtistUid(args.artistUid)
-
         collectImmediately(detailModel.currentArtist, ::updateItem)
         collectImmediately(detailModel.artistList, detailAdapter::submitList)
         collectImmediately(

app/src/main/java/org/oxycblt/auxio/detail/GenreDetailFragment.kt

@@ -74,6 +74,7 @@ class GenreDetailFragment : ListFragment<FragmentDetailBinding>(), DetailAdapter
     override fun onBindingCreated(binding: FragmentDetailBinding, savedInstanceState: Bundle?) {
         super.onBindingCreated(binding, savedInstanceState)
 
+        // --- UI SETUP ---
         binding.detailToolbar.apply {
             inflateMenu(R.menu.menu_genre_artist_detail)
             setNavigationOnClickListener { findNavController().navigateUp() }
@@ -83,10 +84,8 @@ class GenreDetailFragment : ListFragment<FragmentDetailBinding>(), DetailAdapter
         binding.detailRecycler.adapter = detailAdapter
 
         // --- VIEWMODEL SETUP ---
-
         // DetailViewModel handles most initialization from the navigation argument.
         detailModel.setGenreUid(args.genreUid)
-
         collectImmediately(detailModel.currentGenre, ::updateItem)
         collectImmediately(detailModel.genreList, detailAdapter::submitList)
         collectImmediately(

app/src/main/java/org/oxycblt/auxio/detail/SongDetailDialog.kt

@@ -57,14 +57,13 @@ class SongDetailDialog : ViewBindingDialogFragment<DialogSongDetailBinding>() {
     }
 
     private fun updateSong(song: DetailSong?) {
-        val binding = requireBinding()
-
         if (song == null) {
             // Song we were showing no longer exists.
             findNavController().navigateUp()
             return
         }
 
+        val binding = requireBinding()
         if (song.properties != null) {
             // Finished loading Song properties, populate and show the list of Song information.
             binding.detailLoading.isInvisible = true

app/src/main/java/org/oxycblt/auxio/home/HomeFragment.kt

@@ -106,6 +106,7 @@ class HomeFragment :
     override fun onBindingCreated(binding: FragmentHomeBinding, savedInstanceState: Bundle?) {
         super.onBindingCreated(binding, savedInstanceState)
 
+        // --- UI SETUP ---
         binding.homeAppbar.addOnOffsetChangedListener(this)
         binding.homeToolbar.setOnMenuItemClickListener(this)
 
@@ -152,7 +153,6 @@ class HomeFragment :
         binding.homeFab.setOnClickListener { playbackModel.shuffleAll() }
 
         // --- VIEWMODEL SETUP ---
-
         collect(homeModel.shouldRecreate, ::handleRecreate)
         collectImmediately(homeModel.currentTabMode, ::updateCurrentTab)
         collectImmediately(homeModel.songLists, homeModel.isFastScrolling, ::updateFab)

app/src/main/java/org/oxycblt/auxio/playback/system/PlaybackService.kt

@@ -451,7 +451,7 @@ class PlaybackService :
                     playbackManager.changePlaying(false)
                     stopAndSave()
                 }
-                WidgetProvider.ACTION_WIDGET_UPDATE -> widgetComponent.update()
+                WidgetProvider.ACTION_WIDGET_UPDATE -> widgetComponent.updateNowPlaying()
             }
         }
 

app/src/main/java/org/oxycblt/auxio/widgets/Forms.kt

@@ -1,215 +0,0 @@
-/*
- * Copyright (c) 2021 Auxio Project
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
- 
-package org.oxycblt.auxio.widgets
-
-import android.content.Context
-import android.os.Build
-import android.view.View
-import android.widget.RemoteViews
-import androidx.annotation.LayoutRes
-import org.oxycblt.auxio.R
-import org.oxycblt.auxio.playback.state.RepeatMode
-import org.oxycblt.auxio.playback.system.PlaybackService
-import org.oxycblt.auxio.settings.Settings
-import org.oxycblt.auxio.util.newBroadcastPendingIntent
-import org.oxycblt.auxio.util.newMainPendingIntent
-
-/**
- * The default widget is displayed whenever there is no music playing. It just shows the message "No
- * music playing".
- */
-fun createDefaultWidget(context: Context) = createViews(context, R.layout.widget_default)
-
-/**
- * The thin widget is a weird outlier widget intended to work well on strange launchers or landscape
- * grid launchers that allow really thin widget sizing.
- */
-fun createThinWidget(context: Context, state: WidgetComponent.WidgetState) =
-    createViews(context, R.layout.widget_thin)
-        .applyRoundingToBackground(context)
-        .applyMeta(context, state)
-        .applyBasicControls(context, state)
-
-/**
- * The small widget is for 2x2 widgets and just shows the cover art and playback controls. This is
- * generally because a Medium widget is too large for this widget size and a text-only widget is too
- * small for this widget size.
- */
-fun createSmallWidget(context: Context, state: WidgetComponent.WidgetState) =
-    createViews(context, R.layout.widget_small)
-        .applyRoundingToBar(context)
-        .applyCover(context, state)
-        .applyBasicControls(context, state)
-
-/**
- * The medium widget is for 2x3 widgets and shows the cover art, title/artist, and three controls.
- * This is the default widget configuration.
- */
-fun createMediumWidget(context: Context, state: WidgetComponent.WidgetState) =
-    createViews(context, R.layout.widget_medium)
-        .applyRoundingToBackground(context)
-        .applyMeta(context, state)
-        .applyBasicControls(context, state)
-
-/** The wide widget is for Nx2 widgets and is like the small widget but with more controls. */
-fun createWideWidget(context: Context, state: WidgetComponent.WidgetState) =
-    createViews(context, R.layout.widget_wide)
-        .applyRoundingToBar(context)
-        .applyCover(context, state)
-        .applyFullControls(context, state)
-
-/** The large widget is for 3x4 widgets and shows all metadata and controls. */
-fun createLargeWidget(context: Context, state: WidgetComponent.WidgetState): RemoteViews =
-    createViews(context, R.layout.widget_large)
-        .applyRoundingToBackground(context)
-        .applyMeta(context, state)
-        .applyFullControls(context, state)
-
-private fun createViews(context: Context, @LayoutRes layout: Int): RemoteViews {
-    val views = RemoteViews(context.packageName, layout)
-    views.setOnClickPendingIntent(android.R.id.background, context.newMainPendingIntent())
-    return views
-}
-
-private fun RemoteViews.applyRoundingToBackground(context: Context): RemoteViews {
-    if (Settings(context).roundMode && Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-        setInt(android.R.id.background, "setBackgroundResource", R.drawable.ui_widget_bg_round)
-    } else {
-        setInt(android.R.id.background, "setBackgroundResource", R.drawable.ui_widget_bg)
-    }
-
-    return this
-}
-
-private fun RemoteViews.applyRoundingToBar(context: Context): RemoteViews {
-    if (Settings(context).roundMode && Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-        setInt(R.id.widget_controls, "setBackgroundResource", R.drawable.ui_widget_bar_round)
-    } else {
-        setInt(R.id.widget_controls, "setBackgroundResource", R.drawable.ui_widget_bar)
-    }
-
-    return this
-}
-
-private fun RemoteViews.applyMeta(
-    context: Context,
-    state: WidgetComponent.WidgetState
-): RemoteViews {
-    applyCover(context, state)
-
-    setTextViewText(R.id.widget_song, state.song.resolveName(context))
-    setTextViewText(R.id.widget_artist, state.song.resolveArtistContents(context))
-
-    return this
-}
-
-private fun RemoteViews.applyCover(
-    context: Context,
-    state: WidgetComponent.WidgetState
-): RemoteViews {
-    if (state.cover != null) {
-        setImageViewBitmap(R.id.widget_cover, state.cover)
-        setContentDescription(
-            R.id.widget_cover,
-            context.getString(R.string.desc_album_cover, state.song.album.resolveName(context)))
-    } else {
-        setImageViewResource(R.id.widget_cover, R.drawable.ic_remote_default_cover_24)
-        setContentDescription(R.id.widget_cover, context.getString(R.string.desc_no_cover))
-    }
-
-    return this
-}
-
-private fun RemoteViews.applyPlayPauseControls(
-    context: Context,
-    state: WidgetComponent.WidgetState
-): RemoteViews {
-    // Controls are timeline elements, override the layout direction to RTL
-    setInt(R.id.widget_controls, "setLayoutDirection", View.LAYOUT_DIRECTION_LTR)
-
-    setOnClickPendingIntent(
-        R.id.widget_play_pause,
-        context.newBroadcastPendingIntent(PlaybackService.ACTION_PLAY_PAUSE))
-
-    // Like the Android 13 media controls, use a circular fab when paused, and a squircle fab
-    // when playing.
-
-    val icon: Int
-    val container: Int
-
-    if (state.isPlaying) {
-        icon = R.drawable.ic_pause_24
-        container = R.drawable.ui_remote_fab_container_playing
-    } else {
-        icon = R.drawable.ic_play_24
-        container = R.drawable.ui_remote_fab_container_paused
-    }
-
-    setImageViewResource(R.id.widget_play_pause, icon)
-    setInt(R.id.widget_play_pause, "setBackgroundResource", container)
-
-    return this
-}
-
-private fun RemoteViews.applyBasicControls(
-    context: Context,
-    state: WidgetComponent.WidgetState
-): RemoteViews {
-    applyPlayPauseControls(context, state)
-
-    setOnClickPendingIntent(
-        R.id.widget_skip_prev, context.newBroadcastPendingIntent(PlaybackService.ACTION_SKIP_PREV))
-
-    setOnClickPendingIntent(
-        R.id.widget_skip_next, context.newBroadcastPendingIntent(PlaybackService.ACTION_SKIP_NEXT))
-
-    return this
-}
-
-private fun RemoteViews.applyFullControls(
-    context: Context,
-    state: WidgetComponent.WidgetState
-): RemoteViews {
-    applyBasicControls(context, state)
-
-    setOnClickPendingIntent(
-        R.id.widget_repeat,
-        context.newBroadcastPendingIntent(PlaybackService.ACTION_INC_REPEAT_MODE))
-
-    setOnClickPendingIntent(
-        R.id.widget_shuffle,
-        context.newBroadcastPendingIntent(PlaybackService.ACTION_INVERT_SHUFFLE))
-
-    val shuffleRes =
-        when {
-            state.isShuffled -> R.drawable.ic_shuffle_on_24
-            else -> R.drawable.ic_shuffle_off_24
-        }
-
-    val repeatRes =
-        when (state.repeatMode) {
-            RepeatMode.NONE -> R.drawable.ic_repeat_off_24
-            RepeatMode.ALL -> R.drawable.ic_repeat_on_24
-            RepeatMode.TRACK -> R.drawable.ic_repeat_one_24
-        }
-
-    setImageViewResource(R.id.widget_shuffle, shuffleRes)
-    setImageViewResource(R.id.widget_repeat, repeatRes)
-
-    return this
-}

app/src/main/java/org/oxycblt/auxio/widgets/WidgetComponent.kt

@@ -36,39 +36,31 @@ import org.oxycblt.auxio.util.getDimenPixels
 import org.oxycblt.auxio.util.logD
 
 /**
- * A wrapper around each [WidgetProvider] that plugs into the main Auxio process and updates the
+ * A component that manages the state of all of Auxio's widgets.
- * widget state based off of that. This cannot be rolled into [WidgetProvider] directly, as it may
+ * This is kept separate from the AppWidgetProviders themselves to prevent possible memory
- * result in memory leaks if [PlaybackStateManager]/[Settings] gets created and bound to without
+ * leaks and enable the main functionality to be extended to more widgets in the future.
- * being released.
+ * @param context [Context] required to manage AppWidgetProviders.
  * @author Alexander Capehart (OxygenCobalt)
  */
 class WidgetComponent(private val context: Context) :
     PlaybackStateManager.Callback, Settings.Callback {
     private val playbackManager = PlaybackStateManager.getInstance()
     private val settings = Settings(context, this)
-    private val widget = WidgetProvider()
+    private val widgetProvider = WidgetProvider()
     private val provider = BitmapProvider(context)
 
     init {
         playbackManager.addCallback(this)
-
-        if (playbackManager.isInitialized) {
-            update()
-        }
     }
 
-    /*
+    /**
-     * Force-update the widget.
+     * Update [WidgetProvider] with the current playback state.
      */
-    fun update() {
+    fun updateNowPlaying() {
-        // Updating Auxio's widget is unlike the rest of Auxio for a few reasons:
-        // 1. We can't use the typical primitives like ViewModels
-        // 2. The component range is far smaller, so we have to do some odd hacks to get
-        // the same UX.
         val song = playbackManager.song
         if (song == null) {
             logD("No song, resetting widget")
-            widget.update(context, null)
+            widgetProvider.update(context, null)
             return
         }
 
@@ -83,7 +75,7 @@ class WidgetComponent(private val context: Context) :
                 override fun onConfigRequest(builder: ImageRequest.Builder): ImageRequest.Builder {
                     val cornerRadius =
                         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-                            // Android 12, always round the cover with the app widget's inner radius
+                            // Android 12, always round the cover with the widget's inner radius
                             context.getDimenPixels(android.R.dimen.system_app_widget_inner_radius)
                         } else if (settings.roundMode) {
                             // < Android 12, but the user still enabled round mode.
@@ -93,8 +85,6 @@ class WidgetComponent(private val context: Context) :
                             0
                         }
 
-                    // We resize the image in a such a way that we don't hit the RemoteView size
-                    // limit, which is the size of an RGB_8888 bitmap 1.5x the screen size.
                     val metrics = context.resources.displayMetrics
                     val sw = metrics.widthPixels
                     val sh = metrics.heightPixels
@@ -104,55 +94,70 @@ class WidgetComponent(private val context: Context) :
                         // to work around a bug in Android 13 where the bitmaps aren't pooled
                         // properly, massively reducing the memory size we can work with.
                         builder
-                            .size(computeSize(sw, sh, 10f))
+                            .size(computeWidgetImageSize(sw, sh, 10f))
                             .transformations(
                                 SquareFrameTransform.INSTANCE,
                                 RoundedCornersTransformation(cornerRadius.toFloat()))
                     } else {
                         // Divide by two to really make sure we aren't hitting the memory limit.
-                        builder.size(computeSize(sw, sh, 2f))
+                        builder.size(computeWidgetImageSize(sw, sh, 2f))
                     }
                 }
 
                 override fun onCompleted(bitmap: Bitmap?) {
-                    val state = WidgetState(song, bitmap, isPlaying, repeatMode, isShuffled)
+                    val state = PlaybackState(song, bitmap, isPlaying, repeatMode, isShuffled)
-                    widget.update(context, state)
+                    widgetProvider.update(context, state)
                 }
             })
     }
 
-    private fun computeSize(sw: Int, sh: Int, modifier: Float) =
+    /**
+     * Get the recommended image size to load for use.
+     * @param sw The current screen width
+     * @param sh The current screen height
+     * @param modifier Modifier to reduce the image size.
+     * @return An image size that is guaranteed not to exceed the widget bitmap memory limit.
+     */
+    private fun computeWidgetImageSize(sw: Int, sh: Int, modifier: Float) =
+        // Maximum size is 1/3 total screen area * 4 bytes per pixel. Reverse
+        // that to obtain the image size.
         sqrt((6f / 4f / modifier) * sw * sh).toInt()
 
-    /*
+    /**
-     * Release this instance, removing the callbacks and resetting all widgets
+     * Release this instance, preventing any further events from updating the widget instances.
      */
     fun release() {
         provider.release()
         settings.release()
-        widget.reset(context)
+        widgetProvider.reset(context)
         playbackManager.removeCallback(this)
     }
 
     // --- CALLBACKS ---
 
-    override fun onIndexMoved(index: Int) = update()
+    // Hook all the major song-changing updates + the major player state updates
-    override fun onNewPlayback(index: Int, queue: List<Song>, parent: MusicParent?) = update()
+    // to updating the "Now Playing" widget.
-    override fun onStateChanged(state: InternalPlayer.State) = update()
+    override fun onIndexMoved(index: Int) = updateNowPlaying()
-    override fun onShuffledChanged(isShuffled: Boolean) = update()
+    override fun onNewPlayback(index: Int, queue: List<Song>, parent: MusicParent?) = updateNowPlaying()
-    override fun onRepeatChanged(repeatMode: RepeatMode) = update()
+    override fun onStateChanged(state: InternalPlayer.State) = updateNowPlaying()
+    override fun onShuffledChanged(isShuffled: Boolean) = updateNowPlaying()
+    override fun onRepeatChanged(repeatMode: RepeatMode) = updateNowPlaying()
     override fun onSettingChanged(key: String) {
         if (key == context.getString(R.string.set_key_cover_mode) ||
             key == context.getString(R.string.set_key_round_mode)) {
-            update()
+            updateNowPlaying()
         }
     }
 
-    /*
+    /**
-     * An immutable condensed variant of the current playback state, used so that PlaybackStateManager
+     * A condensed form of the playback state that is safe to use in AppWidgets.
-     * does not need to be queried directly.
+     * @param song [PlaybackStateManager.song]
+     * @param cover A pre-loaded album cover [Bitmap] for [song].
+     * @param isPlaying [PlaybackStateManager.playerState]
+     * @param repeatMode [PlaybackStateManager.repeatMode]
+     * @param isShuffled [PlaybackStateManager.isShuffled]
      */
-    data class WidgetState(
+    data class PlaybackState(
         val song: Song,
         val cover: Bitmap?,
         val isPlaying: Boolean,

app/src/main/java/org/oxycblt/auxio/widgets/WidgetProvider.kt

@@ -25,73 +25,30 @@ import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.util.SizeF
+import android.view.View
 import android.widget.RemoteViews
 import org.oxycblt.auxio.BuildConfig
-import org.oxycblt.auxio.util.isLandscape
+import org.oxycblt.auxio.R
-import org.oxycblt.auxio.util.logD
+import org.oxycblt.auxio.playback.state.RepeatMode
-import org.oxycblt.auxio.util.logW
+import org.oxycblt.auxio.playback.system.PlaybackService
+import org.oxycblt.auxio.settings.Settings
+import org.oxycblt.auxio.util.*
 
 /**
- * Auxio's one and only appwidget. This widget follows a more unorthodox approach, effectively
+ * The [AppWidgetProvider] for the "Now Playing" widget. This widget shows the current
- * packing what could be considered multiple widgets into a single responsive widget.
+ * playback state alongside actions to control it.
- *
- * This widget is also able to backport it's responsive behavior to android versions below 12,
- * albeit with some issues, such as UI jittering and a layout not being picked when the orientation
- * changes. This is tolerable.
- *
- * For more specific details about these sub-widgets, see Forms.kt.
- *
  * @author Alexander Capehart (OxygenCobalt)
  */
 class WidgetProvider : AppWidgetProvider() {
-    /*
-     * Update the widget based on the playback state.
-     */
-    fun update(context: Context, state: WidgetComponent.WidgetState?) {
-        if (state == null) {
-            reset(context)
-            return
-        }
-
-        // Map each widget form to the cells where it would look at least okay.
-        val views =
-            mapOf(
-                SizeF(180f, 100f) to createThinWidget(context, state),
-                SizeF(180f, 152f) to createSmallWidget(context, state),
-                SizeF(272f, 152f) to createWideWidget(context, state),
-                SizeF(180f, 272f) to createMediumWidget(context, state),
-                SizeF(272f, 272f) to createLargeWidget(context, state))
-
-        val awm = AppWidgetManager.getInstance(context)
-
-        try {
-            awm.updateAppWidgetCompat(context, views)
-        } catch (e: Exception) {
-            logW("Unable to update widget: $e")
-            awm.updateAppWidget(
-                ComponentName(context, this::class.java), createDefaultWidget(context))
-        }
-    }
-
-    /*
-     * Revert this widget to its default view
-     */
-    fun reset(context: Context) {
-        logD("Resetting widget")
-
-        AppWidgetManager.getInstance(context)
-            .updateAppWidget(ComponentName(context, this::class.java), createDefaultWidget(context))
-    }
-
-    // --- OVERRIDES ---
-
     override fun onUpdate(
         context: Context,
         appWidgetManager: AppWidgetManager,
         appWidgetIds: IntArray
     ) {
-        reset(context)
         requestUpdate(context)
+        // Revert to the default layout for now until we get a response from WidgetComponent.
+        // If we don't, then we will stick with the default widget layout.
+        reset(context)
     }
 
     override fun onAppWidgetOptionsChanged(
@@ -101,80 +58,322 @@ class WidgetProvider : AppWidgetProvider() {
         newOptions: Bundle?
     ) {
         super.onAppWidgetOptionsChanged(context, appWidgetManager, appWidgetId, newOptions)
-
+        // Another adaptive layout backport for API 21+: We are unable to immediately update
+        // the layout ourselves when the widget dimensions change, so we need to request
+        // an update from WidgetComponent first.
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-            logD("Requesting new view from PlaybackService")
-
-            // We can't resize the widget until we can generate the views, so request an update
-            // from PlaybackService.
             requestUpdate(context)
         }
     }
 
+    /**
+     * Update the currently shown layout based on the given [WidgetComponent.PlaybackState]
+     * @param context [Context] required to update the widget layout.
+     * @param state [WidgetComponent.PlaybackState] to show, or null if no playback is going
+     * on.
+     */
+    fun update(context: Context, state: WidgetComponent.PlaybackState?) {
+        if (state == null) {
+            // No state, use the default widget.
+            reset(context)
+            return
+        }
+
+        // Create and configure each possible layout for the widget. These dimensions seem
+        // arbitrary, but they are actually the minimum dimensions required to fit all of
+        // the widget elements, plus some leeway for text sizing.
+        val views =
+            mapOf(
+                SizeF(180f, 100f) to newThinLayout(context, state),
+                SizeF(180f, 152f) to newSmallLayout(context, state),
+                SizeF(272f, 152f) to newWideLayout(context, state),
+                SizeF(180f, 272f) to newMediumLayout(context, state),
+                SizeF(272f, 272f) to newLargeLayout(context, state))
+
+        // Manually update AppWidgetManager with the new views.
+        val awm = AppWidgetManager.getInstance(context)
+        val component = ComponentName(context, this::class.java)
+        try {
+            awm.updateAppWidgetCompat(context, component, views)
+        } catch (e: Exception) {
+            // Layout update failed, gracefully degrade to the default widget.
+            logW("Unable to update widget: $e")
+            reset(context)
+        }
+    }
+
+    /**
+     * Revert to the default layout that displays "No music playing".
+     * @param context [Context] required to update the widget layout.
+     */
+    fun reset(context: Context) {
+        logD("Using default layout")
+        AppWidgetManager.getInstance(context)
+            .updateAppWidget(ComponentName(context, this::class.java), newDefaultLayout(context))
+    }
+
     // --- INTERNAL METHODS ---
 
+    /**
+     * Request an update from [WidgetComponent].
+     * @param context [Context] required to send update request broadcast.
+     */
     private fun requestUpdate(context: Context) {
         logD("Sending update intent to PlaybackService")
         val intent = Intent(ACTION_WIDGET_UPDATE).addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY)
         context.sendBroadcast(intent)
     }
 
-    private fun AppWidgetManager.updateAppWidgetCompat(
+    // --- LAYOUTS ---
-        context: Context,
-        views: Map<SizeF, RemoteViews>
-    ) {
-        check(views.isNotEmpty()) { "Must provide a non-empty map" }
 
-        val name = ComponentName(context, WidgetProvider::class.java)
+    /**
+     * Create and configure a [RemoteViews] for [R.layout.widget_default], intended for situations
+     * where no other widget layout is applicable.
+     * @param context [Context] required to create the [RemoteViews].
+     */
+    private fun newDefaultLayout(context: Context) =
+        newRemoteViews(context, R.layout.widget_default)
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+    /**
-            // Widgets are automatically responsive on Android 12, no need to do anything.
+     * Create and configure a  [RemoteViews] for [R.layout.widget_thin], intended for extremely
-            updateAppWidget(name, RemoteViews(views))
+     * small grid sizes on phones in landscape mode.
+     * @param context [Context] required to create the [RemoteViews].
+     */
+    private fun newThinLayout(context: Context, state: WidgetComponent.PlaybackState) =
+        newRemoteViews(context, R.layout.widget_thin)
+            .setupBackground(context)
+            .setupPlaybackState(context, state)
+            .setupTimelineControls(context, state)
+
+    /**
+     * Create and configure a [RemoteViews] for [R.layout.widget_small], intended to be a
+     * modestly-sized default layout for most devices.
+     * @param context [Context] required to create the [RemoteViews].
+     */
+    private fun newSmallLayout(context: Context, state: WidgetComponent.PlaybackState) =
+        newRemoteViews(context, R.layout.widget_small)
+            .setupBar(context)
+            .setupCover(context, state)
+            .setupTimelineControls(context, state)
+
+    /**
+     * Create and configure a [RemoteViews] for [R.layout.widget_medium], intended to be
+     * a taller widget that shows more information about the currently playing song.
+     * @param context [Context] required to create the [RemoteViews].
+     */
+    private fun newMediumLayout(context: Context, state: WidgetComponent.PlaybackState) =
+        newRemoteViews(context, R.layout.widget_medium)
+            .setupBackground(context)
+            .setupPlaybackState(context, state)
+            .setupTimelineControls(context, state)
+
+    /**
+     * Create and configure a [RemoteViews] for [R.layout.widget_wide], intended to be
+     * a wider version of [R.layout.widget_small] that shows additional controls.
+     * @param context [Context] required to create the [RemoteViews].
+     */
+    private fun newWideLayout(context: Context, state: WidgetComponent.PlaybackState) =
+        newRemoteViews(context, R.layout.widget_wide)
+            .setupBar(context)
+            .setupCover(context, state)
+            .setupFullControls(context, state)
+
+    /**
+     * Create and configure a [RemoteViews] for [R.layout.widget_large], intended to be
+     * a wider version of [R.layout.widget_medium] that shows additional controls.
+     * @param context [Context] required to create the [RemoteViews].
+     */
+    private fun newLargeLayout(context: Context, state: WidgetComponent.PlaybackState) =
+        newRemoteViews(context, R.layout.widget_large)
+            .setupBackground(context)
+            .setupPlaybackState(context, state)
+            .setupFullControls(context, state)
+
+    /**
+     * Set up the control bar in a [RemoteViews] layout that contains one. This is a kind of
+     * "floating" drawable that sits in front of the cover and contains the controls.
+     * @param context [Context] required to set up the view.
+     */
+    private fun RemoteViews.setupBar(context: Context): RemoteViews {
+        // Below API 31, enable a rounded bar only if round mode is enabled.
+        // On API 31+, the bar should always be round in order to fit in with other widgets.
+        val background = if (Settings(context).roundMode &&
+            Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+            R.drawable.ui_widget_bar_round
         } else {
-            // Otherwise, we try our best to backport the responsive behavior to older versions.
+            R.drawable.ui_widget_bar_system
-            // This seems to work well enough on most launchers.
-
-            // Each widget has independent dimensions, so we iterate through them all
-            // and do this for each.
-            for (id in getAppWidgetIds(name)) {
-                val options = getAppWidgetOptions(id)
-
-                val width: Int
-                val height: Int
-
-                // Landscape/Portrait modes use different dimen bounds
-                if (context.isLandscape) {
-                    width = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH)
-                    height = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT)
-                } else {
-                    width = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH)
-                    height = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT)
-                }
-
-                logD("Assuming true widget dimens are ${width}x$height")
-
-                // Find the layout with the greatest area that fits entirely within
-                // the widget. This is what we will use. Fall back to the smallest layout
-                // otherwise.
-                val candidates = mutableListOf<SizeF>()
-
-                for (size in views.keys) {
-                    if (size.width <= width && size.height <= height) {
-                        candidates.add(size)
-                    }
-                }
-
-                val layout =
-                    candidates.maxByOrNull { it.height * it.width }
-                        ?: views.minBy { it.key.width * it.key.height }.key
-
-                logD("Using widget layout $layout ${views.contains(layout)}")
-                updateAppWidget(id, views[layout])
-            }
         }
+        setBackgroundResource(R.id.widget_controls, background)
+        return this
+    }
+
+    /**
+     * Set up the background in a [RemoteViews] layout that contains one. This is largely
+     * self-explanatory, being a solid-color background that sits behind the cover and controls.
+     * @param context [Context] required to set up the view.
+     */
+    private fun RemoteViews.setupBackground(context: Context): RemoteViews {
+        // Below API 31, enable a rounded background only if round mode is enabled.
+        // On API 31+, the background should always be round in order to fit in with other
+        // widgets.
+        val background = if (Settings(context).roundMode &&
+            Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+            R.drawable.ui_widget_bar_round
+        } else {
+            R.drawable.ui_widget_bar_system
+        }
+        setBackgroundResource(android.R.id.background, background)
+        return this
+    }
+
+    /**
+     * Set up the album cover in a [RemoteViews] layout that contains one.
+     * @param context [Context] required to set up the view.
+     * @param state Current [WidgetComponent.PlaybackState] to display.
+     */
+    private fun RemoteViews.setupCover(
+        context: Context,
+        state: WidgetComponent.PlaybackState
+    ): RemoteViews {
+        if (state.cover != null) {
+            setImageViewBitmap(R.id.widget_cover, state.cover)
+            setContentDescription(
+                R.id.widget_cover,
+                context.getString(R.string.desc_album_cover, state.song.album.resolveName(context)))
+        } else {
+            // We are unable to use the typical placeholder cover with the song item due to
+            // limitations with the corner radius. Instead use a custom-made album icon as the
+            // placeholder.
+            setImageViewResource(R.id.widget_cover, R.drawable.ic_remote_default_cover_24)
+            setContentDescription(R.id.widget_cover, context.getString(R.string.desc_no_cover))
+        }
+
+        return this
+    }
+
+    /**
+     * Set up the album cover, song title, and artist name in a [RemoteViews] layout that
+     * contains them.
+     * @param context [Context] required to set up the view.
+     * @param state Current [WidgetComponent.PlaybackState] to display.
+     */
+    private fun RemoteViews.setupPlaybackState(
+        context: Context,
+        state: WidgetComponent.PlaybackState
+    ): RemoteViews {
+        setupCover(context, state)
+        setTextViewText(R.id.widget_song, state.song.resolveName(context))
+        setTextViewText(R.id.widget_artist, state.song.resolveArtistContents(context))
+        return this
+    }
+
+    /**
+     * Set up the play/pause button in a [RemoteViews] layout that contains one.
+     * @param context [Context] required to set up the view.
+     * @param state Current [WidgetComponent.PlaybackState] to display.
+     */
+    private fun RemoteViews.setupBasicControls(
+        context: Context,
+        state: WidgetComponent.PlaybackState
+    ): RemoteViews {
+        // Hook the play/pause button to the play/pause broadcast that will be recognized
+        // by PlaybackService.
+        setOnClickPendingIntent(
+            R.id.widget_play_pause,
+            context.newBroadcastPendingIntent(PlaybackService.ACTION_PLAY_PAUSE))
+
+        // Set up the play/pause button appearance. Like the Android 13 media controls, use
+        // a circular FAB when paused, and a squircle FAB when playing. This does require us
+        // to disable the ripple animation sadly, as  it will glitch when this is used. The
+        // shape change should act as a similar signal.
+        val icon: Int
+        val background: Int
+        if (state.isPlaying) {
+            icon = R.drawable.ic_pause_24
+            background = R.drawable.ui_remote_fab_container_playing
+        } else {
+            icon = R.drawable.ic_play_24
+            background = R.drawable.ui_remote_fab_container_paused
+        }
+
+        setImageViewResource(R.id.widget_play_pause, icon)
+        setBackgroundResource(R.id.widget_play_pause, background)
+
+        return this
+    }
+
+    /**
+     * Set up the play/pause and skip previous/next button in a [RemoteViews] layout that
+     * contains them.
+     * @param context [Context] required to set up the view.
+     * @param state Current [WidgetComponent.PlaybackState] to display.
+     */
+    private fun RemoteViews.setupTimelineControls(
+        context: Context,
+        state: WidgetComponent.PlaybackState
+    ): RemoteViews {
+        // Timeline controls contain the basic controls, set those up
+        setupBasicControls(context, state)
+        // Timeline elements should always be left-to-right.
+        setLayoutDirection(R.id.widget_controls, View.LAYOUT_DIRECTION_LTR)
+        // Hook the skip buttons to the respective broadcasts that can be recognized
+        // by PlaybackService.
+        setOnClickPendingIntent(
+            R.id.widget_skip_prev, context.newBroadcastPendingIntent(PlaybackService.ACTION_SKIP_PREV))
+        setOnClickPendingIntent(
+            R.id.widget_skip_next, context.newBroadcastPendingIntent(PlaybackService.ACTION_SKIP_NEXT))
+        return this
+    }
+
+    /**
+     * Set up the play/pause, skip previous/next, and repeat/shuffle buttons in a [RemoteViews]
+     * that contains them.
+     * @param context [Context] required to set up the view.
+     * @param state Current [WidgetComponent.PlaybackState] to display.
+     */
+    private fun RemoteViews.setupFullControls(
+        context: Context,
+        state: WidgetComponent.PlaybackState
+    ): RemoteViews {
+        // Full controls contain timeline controls, make are set those.
+        setupTimelineControls(context, state)
+
+        // Hook the repeat/shuffle buttons to the respective broadcasts that can
+        // be recognized by PlaybackService.
+        setOnClickPendingIntent(
+            R.id.widget_repeat,
+            context.newBroadcastPendingIntent(PlaybackService.ACTION_INC_REPEAT_MODE))
+        setOnClickPendingIntent(
+            R.id.widget_shuffle,
+            context.newBroadcastPendingIntent(PlaybackService.ACTION_INVERT_SHUFFLE))
+
+        // Set up the repeat/shuffle buttons. When working with RemoteViews, we will
+        // need to hard-code different accent tinting configurations, as stateful drawables
+        // are unsupported.
+        val repeatRes =
+            when (state.repeatMode) {
+                RepeatMode.NONE -> R.drawable.ic_repeat_off_24
+                RepeatMode.ALL -> R.drawable.ic_repeat_on_24
+                RepeatMode.TRACK -> R.drawable.ic_repeat_one_24
+            }
+        setImageViewResource(R.id.widget_repeat, repeatRes)
+
+        val shuffleRes =
+            when {
+                state.isShuffled -> R.drawable.ic_shuffle_on_24
+                else -> R.drawable.ic_shuffle_off_24
+            }
+        setImageViewResource(R.id.widget_shuffle, shuffleRes)
+
+        return this
     }
 
     companion object {
+        /**
+         * Broadcast when [WidgetProvider] desires to update it's widget with new
+         * information. Responsible background tasks should intercept this and relay
+         * the message to [WidgetComponent].
+         */
         const val ACTION_WIDGET_UPDATE = BuildConfig.APPLICATION_ID + ".action.WIDGET_UPDATE"
     }
 }

app/src/main/java/org/oxycblt/auxio/widgets/WidgetUtil.kt

@@ -0,0 +1,97 @@
+package org.oxycblt.auxio.widgets
+
+import android.appwidget.AppWidgetManager
+import android.content.ComponentName
+import android.content.Context
+import android.os.Build
+import android.util.SizeF
+import android.widget.RemoteViews
+import androidx.annotation.DrawableRes
+import androidx.annotation.IdRes
+import androidx.annotation.LayoutRes
+import org.oxycblt.auxio.util.isLandscape
+import org.oxycblt.auxio.util.logD
+import org.oxycblt.auxio.util.newMainPendingIntent
+
+/**
+ * Create a [RemoteViews] instance with the specified layout and an automatic click handler
+ * to open the Auxio activity.
+ * @param context [Context] required to create [RemoteViews].
+ * @param layoutRes Resource ID of the layout to use. Must be compatible with [RemoteViews].
+ * @return A new [RemoteViews] instance with the specified configuration.
+ */
+fun newRemoteViews(context: Context, @LayoutRes layoutRes: Int): RemoteViews {
+    val views = RemoteViews(context.packageName, layoutRes)
+    views.setOnClickPendingIntent(android.R.id.background, context.newMainPendingIntent())
+    return views
+}
+
+/**
+ * Set the background resource of a [RemoteViews] View.
+ * @param viewId The ID of the view to update.
+ * @param drawableRes The resource ID of the drawable to set the background to.
+ */
+fun RemoteViews.setBackgroundResource(@IdRes viewId: Int, @DrawableRes drawableRes: Int) {
+    setInt(viewId, "setBackgroundResource", drawableRes)
+}
+
+/**
+ * Set the layout direction of a [RemoteViews] view.
+ * @param viewId The ID of the view to update.
+ * @param layoutDirection The layout direction to apply to the view,
+ */
+fun RemoteViews.setLayoutDirection(@IdRes viewId: Int, layoutDirection: Int) {
+    setInt(viewId, "setLayoutDirection", layoutDirection)
+}
+
+/**
+ * Update the app widget layouts corresponding to the given [AppWidgetProvider] [ComponentName]
+ * with an adaptive layout, in a version-compatible manner.
+ * @param context [Context] required to backport adaptive layout behavior.
+ * @param component [ComponentName] of the app widget layout to update.
+ * @param views Mapping between different size classes and [RemoteViews] instances.
+ * @see RemoteViews
+ */
+fun AppWidgetManager.updateAppWidgetCompat(
+    context: Context,
+    component: ComponentName,
+    views: Map<SizeF, RemoteViews>
+) {
+    check(views.isNotEmpty()) { "Must provide a non-empty map" }
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+        // Can use adaptive widgets from API 31+.
+        updateAppWidget(component, RemoteViews(views))
+    } else {
+        // Backport adaptive widgets to API 21+.
+        // Each app widget has independent dimensions, so we iterate through them all
+        // and do this for each.
+        for (id in getAppWidgetIds(component)) {
+            val options = getAppWidgetOptions(id)
+
+            // Depending on the device orientation, the size of the app widget will be
+            // composed differently.
+            val width: Int
+            val height: Int
+            if (context.isLandscape) {
+                // Width will be larger in landscape, so use MAX_WIDTH.
+                width = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH)
+                height = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT)
+            } else {
+                // Height will be larger in portrait, so use MAX_HEIGHT.
+                width = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH)
+                height = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT)
+            }
+            logD("Assuming dimens are ${width}x$height")
+
+            // Find the layout with the greatest area that fits entirely within
+            // the app widget. This is what we will use. Fall back to the smallest layout
+            // otherwise.
+            val layout = views.keys.filter { it.width <= width && it.height <= height }
+                .maxByOrNull { it.height * it.width } ?:
+                views.minBy { it.key.width * it.key.height }.key
+            logD("Using layout $layout ${views.contains(layout)}")
+
+            updateAppWidget(id, views[layout])
+        }
+    }
+}

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

@@ -4,7 +4,7 @@
     android:id="@android:id/background"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@drawable/ui_widget_bg"
+    android:background="@drawable/ui_widget_bg_system"
     android:backgroundTint="?attr/colorSurface"
     android:theme="@style/Theme.Auxio.Widget">
 

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

@@ -4,7 +4,7 @@
     android:id="@android:id/background"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@drawable/ui_widget_bg"
+    android:background="@drawable/ui_widget_bg_system"
     android:backgroundTint="?attr/colorSurface"
     android:theme="@style/Theme.Auxio.Widget">
 

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

@@ -61,7 +61,7 @@
         android:layout_height="wrap_content"
         android:layout_alignParentBottom="true"
         android:layout_gravity="center"
-        android:background="@drawable/ui_widget_bar"
+        android:background="@drawable/ui_widget_bar_system"
         android:backgroundTint="?attr/colorSurface"
         android:orientation="horizontal"
         android:padding="@dimen/spacing_mid_medium">

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

@@ -4,7 +4,7 @@
     android:id="@android:id/background"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@drawable/ui_widget_bg"
+    android:background="@drawable/ui_widget_bg_system"
     android:backgroundTint="?attr/colorSurface"
     android:baselineAligned="false"
     android:orientation="horizontal"

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

@@ -48,7 +48,7 @@
         android:layout_height="wrap_content"
         android:layout_alignParentBottom="true"
         android:layout_gravity="center"
-        android:background="@drawable/ui_widget_bar"
+        android:background="@drawable/ui_widget_bar_system"
         android:backgroundTint="?attr/colorSurface"
         android:orientation="horizontal"
         android:padding="@dimen/spacing_mid_medium">

app/src/main/res/values-ar-rIQ/strings.xml

@@ -2,7 +2,7 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <!-- Info namespace | App labels -->
     <string name="info_app_desc">مشغل موسيقى بسيط ومعقول لنظام الاندرويد.</string>
-    <string name="lng_playback">عرض وتحكم بشتغيل الموسيقى</string>
+    <string name="lng_widget">عرض وتحكم بشتغيل الموسيقى</string>
     <!-- Label Namespace | Static Labels -->
     <string name="lbl_retry">إعادة المحاولة</string>
     <string name="lbl_grant">منح</string>

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

@@ -3,7 +3,7 @@
     <!-- Info namespace | App labels -->
     <string name="info_app_desc">Jednoduchý, rozumný hudební přehrávač pro Android.</string>
     <string name="lbl_indexer">Načítání hudby</string>
-    <string name="lng_playback">Zobrazení a ovládání přehrávání hudby</string>
+    <string name="lng_widget">Zobrazení a ovládání přehrávání hudby</string>
     <!-- Label Namespace | Static Labels -->
     <string name="lng_indexing">Načítání vaší hudební knihovny…</string>
     <string name="lbl_retry">Zkusit znovu</string>

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

@@ -117,7 +117,7 @@
         <item quantity="other">%d Alben</item>
     </plurals>
     <string name="info_app_desc">Ein einfacher, rationaler Musikplayer für Android.</string>
-    <string name="lng_playback">Musikwiedergabe anzeigen und kontrollieren</string>
+    <string name="lng_widget">Musikwiedergabe anzeigen und kontrollieren</string>
     <string name="lbl_artist">Künstler</string>
     <string name="lbl_album">Album</string>
     <string name="lbl_sort_date">Jahr</string>

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

@@ -100,7 +100,7 @@
     <string name="err_no_dirs">Καθόλου φάκελοι</string>
     <string name="info_app_desc">Μιά απλή, λογική εφαρμογή αναπαραγωγής μουσικής για Android.</string>
     <string name="lbl_indexer">Φόρτωση μουσικής</string>
-    <string name="lng_playback">Προβολή και έλεγχος αναπαραγωγής μουσικής</string>
+    <string name="lng_widget">Προβολή και έλεγχος αναπαραγωγής μουσικής</string>
     <string name="lbl_album">Album</string>
     <string name="lbl_eps">EP</string>
     <string name="lbl_ep">EP</string>

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

@@ -2,7 +2,7 @@
 <resources>
     <!-- Info namespace | App labels -->
     <string name="info_app_desc">Un reproductor de música simple y racional para Android.</string>
-    <string name="lng_playback">Ver y controlar la reproducción musical</string>
+    <string name="lng_widget">Ver y controlar la reproducción musical</string>
     <!-- Label Namespace | Static Labels -->
     <string name="lbl_retry">Reintentar</string>
     <string name="lbl_grant">Permitir</string>

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

@@ -94,7 +94,7 @@
     <string name="lbl_singles">Mga Single</string>
     <string name="lbl_grant">Bigyan</string>
     <string name="lbl_genres">Mga Genre</string>
-    <string name="lng_playback">Tignan at ayusin ang pagtugtog ng kanta</string>
+    <string name="lng_widget">Tignan at ayusin ang pagtugtog ng kanta</string>
     <string name="set_theme">Tema</string>
     <string name="set_lib_tabs_desc">Ibahin ang pagkakita at ayos ng mga library tab</string>
     <string name="set_pre_amp_desc">Inilalapat ang pre-amp sa kasalukuyang ayos habang ito\'y tumutugtog</string>

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

@@ -94,7 +94,7 @@
     <string name="set_lib_tabs">Onglets de la bibliothèque</string>
     <string name="info_app_desc">Un lecteur de musique simple et rationnel pour Android.</string>
     <string name="lbl_indexer">Chargement de musique</string>
-    <string name="lng_playback">Afficher et contrôler la lecture de la musique</string>
+    <string name="lng_widget">Afficher et contrôler la lecture de la musique</string>
     <string name="lng_indexing">Chargement de votre bibliothèque musicale…</string>
     <string name="lbl_sort_name">Nom</string>
     <string name="lbl_artist">Artiste</string>

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

@@ -171,7 +171,7 @@
     <string name="info_app_desc">Jednostavan i racionalan izvođač glazbe za Android.</string>
     <string name="lbl_retry">Pokušaj ponovo</string>
     <string name="lbl_indexer">Učitavanje glazbe</string>
-    <string name="lng_playback">Pregledaj i upravljaj reprodukcijom glazbe</string>
+    <string name="lng_widget">Pregledaj i upravljaj reprodukcijom glazbe</string>
     <string name="lbl_grant">Dozvoli</string>
     <string name="lbl_single_live">Singl uživo</string>
     <string name="lbl_single_remix">Singl remiks</string>

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

@@ -76,7 +76,7 @@
     <string name="lbl_album">Album</string>
     <string name="info_app_desc">Pemutar musik yang simpel dan rasional untuk android.</string>
     <string name="lbl_indexer">Pemuatan Musik</string>
-    <string name="lng_playback">Lihat dan kontrol pemutaran musik</string>
+    <string name="lng_widget">Lihat dan kontrol pemutaran musik</string>
     <string name="lbl_sort_date">Tahun</string>
     <string name="lbl_sort_duration">Durasi</string>
     <string name="lbl_sort_disc">Disk</string>

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

@@ -2,7 +2,7 @@
 <resources>
     <!-- Info namespace | App labels -->
     <string name="info_app_desc">Un semplice, razionale lettore musicale per android.</string>
-    <string name="lng_playback">Vedi e gestisci la riproduzione musicale</string>
+    <string name="lng_widget">Vedi e gestisci la riproduzione musicale</string>
     <!-- Label Namespace | Static Labels -->
     <string name="lbl_retry">Riprova</string>
     <string name="lbl_grant">Permetti</string>

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

@@ -2,7 +2,7 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <!-- Info namespace | App labels -->
     <string name="info_app_desc">단순하고, 실용적인 안드로이드용 뮤직 플레이어입니다.</string>
-    <string name="lng_playback">음악 재생 제어 및 상태 확인</string>
+    <string name="lng_widget">음악 재생 제어 및 상태 확인</string>
     <!-- Label Namespace | Static Labels -->
     <string name="lbl_retry">재시도</string>
     <string name="lbl_grant">허가</string>

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

@@ -49,7 +49,7 @@
     <string name="set_black_mode_desc">Naudokti grynai juodą tamsią temą</string>
     <string name="info_app_desc">Paprastas, racionalus „Android“ muzikos grotuvas.</string>
     <string name="lbl_indexer">Muzika kraunama</string>
-    <string name="lng_playback">Peržiūrėti ir valdyti muzikos grojimą</string>
+    <string name="lng_widget">Peržiūrėti ir valdyti muzikos grojimą</string>
     <string name="lbl_genres">Žanrai</string>
     <string name="lbl_retry">Bandykite dar kartą</string>
     <string name="lbl_grant">Suteikti</string>

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

@@ -114,7 +114,7 @@
     <string name="fmt_disc_no">Schijf %d</string>
     <string name="fmt_bitrate">%d kbps</string>
     <string name="fmt_db_pos">+%.1f dB</string>
-    <string name="lng_playback">Muziekweergave bekijken en regelen</string>
+    <string name="lng_widget">Muziekweergave bekijken en regelen</string>
     <string name="fmt_sample_rate">%d Hz</string>
     <string name="lbl_song_detail">Bekijk eigenschappen</string>
     <string name="lbl_sort_name">Naam</string>

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

@@ -215,7 +215,7 @@
     <string name="desc_clear_search">Wyczyść zapytanie wyszukiwania</string>
     <string name="err_did_not_restore">Nie można przywrócić stanu odtwarzania</string>
     <string name="desc_genre_image">Okładka gatunku %s</string>
-    <string name="lng_playback">Wyświetlanie oraz kontrolowanie odtwarzania muzyki</string>
+    <string name="lng_widget">Wyświetlanie oraz kontrolowanie odtwarzania muzyki</string>
     <string name="set_pre_amp_with">Regulacja w oparciu o tagi</string>
     <string name="set_pre_amp_without">Regulacja bez tagów</string>
     <string name="set_pre_amp_desc">Wzmocnienie dźwięku przez preamplifier jest nakładane na wcześniej ustawione wzmocnienie podczas odtwarzania</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -201,7 +201,7 @@
     <string name="set_save_state">Salvar lista de reprodução</string>
     <string name="set_wipe_state">Limpar lista de reprodução</string>
     <string name="set_restore_state">Restaurar lista de reprodução</string>
-    <string name="lng_playback">Visualize e controle a reprodução de música</string>
+    <string name="lng_widget">Visualize e controle a reprodução de música</string>
     <string name="set_bar_action">Ação personalizada na barra de reprodução</string>
     <string name="set_bar_action_repeat">Modo de repetição</string>
     <string name="set_wipe_desc">Limpa a lista de reprodução salva anteriormente (se houver)</string>

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

@@ -2,7 +2,7 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <!-- Info namespace | App labels -->
     <string name="info_app_desc">Простой и рациональный музыкальный проигрыватель.</string>
-    <string name="lng_playback">Настройки воспроизведения</string>
+    <string name="lng_widget">Настройки воспроизведения</string>
     <!-- Label Namespace | Static Labels -->
     <string name="lbl_retry">Повторить попытку</string>
     <string name="lbl_grant">Разрешить</string>

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

@@ -71,7 +71,7 @@
     <string name="lbl_size">Boyut</string>
     <string name="lbl_bitrate">Bit hızı</string>
     <string name="lbl_sample_rate">Örnek hızı</string>
-    <string name="lng_playback">Müzik çalmayı görüntüle ve kontrol et</string>
+    <string name="lng_widget">Müzik çalmayı görüntüle ve kontrol et</string>
     <string name="info_app_desc">Android için basit, rasyonel bir müzik çalar.</string>
     <string name="lbl_indexer">Müzik Yükleniyor</string>
     <string name="lng_indexing">Müzik kitaplığınız yükleniyor…</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -2,7 +2,7 @@
 <resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
     <!-- Info namespace | App labels -->
     <string name="info_app_desc">一款简洁、克制的 Android 音乐播放器。</string>
-    <string name="lng_playback">查看并控制音乐播放</string>
+    <string name="lng_widget">查看并控制音乐播放</string>
     <!-- Label Namespace | Static Labels -->
     <string name="lbl_retry">重试</string>
     <string name="lbl_grant">授予</string>

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

@@ -48,6 +48,6 @@
     <dimen name="recycler_fab_space_normal">88dp</dimen>
     <dimen name="recycler_fab_space_large">128dp</dimen>
 
-    <dimen name="widget_width_def">180dp</dimen>
+    <dimen name="widget_def_width">180dp</dimen>
-    <dimen name="widget_height_def">100dp</dimen>
+    <dimen name="widget_def_height">100dp</dimen>
 </resources>

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

@@ -147,7 +147,7 @@
     <!-- Long Namespace | Longer Descriptions -->
     <eat-comment />
 
-    <string name="lng_playback">View and control music playback</string>
+    <string name="lng_widget">View and control music playback</string>
     <string name="lng_indexing">Loading your music library…</string>
     <string name="lng_observing">Monitoring your music library for changes…</string>
     <string name="lng_queue_added">Added to queue</string>

app/src/main/res/xml-v31/widget_info.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
-    android:description="@string/lng_playback"
+    android:description="@string/lng_widget"
     android:initialLayout="@layout/widget_default"
-    android:minWidth="@dimen/widget_width_def"
+    android:minWidth="@dimen/widget_def_width"
-    android:minHeight="@dimen/widget_height_def"
+    android:minHeight="@dimen/widget_def_height"
-    android:minResizeWidth="@dimen/widget_width_def"
+    android:minResizeWidth="@dimen/widget_def_width"
-    android:minResizeHeight="@dimen/widget_height_def"
+    android:minResizeHeight="@dimen/widget_def_height"
     android:previewImage="@drawable/ui_widget_preview"
     android:previewLayout="@layout/widget_small"
     android:resizeMode="horizontal|vertical"

app/src/main/res/xml/widget_info.xml

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
     android:initialLayout="@layout/widget_default"
-    android:minWidth="@dimen/widget_width_def"
+    android:minWidth="@dimen/widget_def_width"
-    android:minHeight="@dimen/widget_height_def"
+    android:minHeight="@dimen/widget_def_height"
-    android:minResizeWidth="@dimen/widget_width_def"
+    android:minResizeWidth="@dimen/widget_def_width"
-    android:minResizeHeight="@dimen/widget_height_def"
+    android:minResizeHeight="@dimen/widget_def_height"
     android:previewImage="@drawable/ui_widget_preview"
     android:resizeMode="horizontal|vertical"
     android:updatePeriodMillis="0"