music: remove redundant null checks

Remove more redundant null checks in MediaStoreBackend.

Again, no need to check if there is no issue where they might be null.

app/src/main/java/org/oxycblt/auxio/music/backend/MediaStoreBackend.kt

@@ -276,7 +276,7 @@ abstract class MediaStoreBackend : Indexer.Backend {
         // to null if they are not present. If this field is <unknown>, null it so that
         // it's easier to handle later.
         audio.artist =
-            cursor.getStringOrNull(artistIndex)?.run {
+            cursor.getString(artistIndex).run {
                 if (this != MediaStore.UNKNOWN_STRING) {
                     this
                 } else {
@@ -505,20 +505,15 @@ open class VolumeAwareMediaStoreBackend : MediaStoreBackend() {
                 cursor.getColumnIndexOrThrow(MediaStore.Audio.AudioColumns.RELATIVE_PATH)
         }
 
-        val volumeName = cursor.getStringOrNull(volumeIndex)
-        val relativePath = cursor.getStringOrNull(relativePathIndex)
+        val volumeName = cursor.getString(volumeIndex)
+        val relativePath = cursor.getString(relativePathIndex)
 
         // We now have access to the volume name, so we try to leverage it instead.
         // I have no idea how well this works in practice, but I assume that the fields
         // probably exist.
-        // TODO: Remove redundant null checks for fields you are pretty sure are not null.
-        if (volumeName != null && relativePath != null) {
-            // Iterating through the volume list is cheaper than creating a map,
-            // interestingly enough.
-            val volume = volumes.find { it.mediaStoreVolumeNameCompat == volumeName }
-            if (volume != null) {
-                audio.dir = Directory(volume, relativePath.removeSuffix(File.separator))
-            }
+        val volume = volumes.find { it.mediaStoreVolumeNameCompat == volumeName }
+        if (volume != null) {
+            audio.dir = Directory(volume, relativePath.removeSuffix(File.separator))
         }
 
         return audio

app/src/main/res/drawable/ui_unbounded_ripple.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<ripple xmlns:android="http://schemas.android.com/apk/res/android"
-    android:color="?attr/colorControlHighlight"
-    android:radius="20dp" />

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

@@ -25,7 +25,7 @@
         android:layout_gravity="bottom|start"
         android:layout_marginStart="@dimen/spacing_medium"
         android:layout_marginBottom="@dimen/spacing_tiny"
-        android:textAppearance="@style/TextAppearance.Auxio.BodyMedium"
+        android:textAppearance="@style/TextAppearance.Auxio.LabelMedium"
         android:textColor="@color/sel_accented_secondary"
         tools:text="11:38" />
 
@@ -36,7 +36,7 @@
         android:layout_gravity="bottom|end"
         android:layout_marginEnd="@dimen/spacing_medium"
         android:layout_marginBottom="@dimen/spacing_tiny"
-        android:textAppearance="@style/TextAppearance.Auxio.BodyMedium"
+        android:textAppearance="@style/TextAppearance.Auxio.LabelMedium"
         android:textColor="?android:attr/textColorSecondary"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/playback_seek_bar"

app/src/main/res/values-v31/styles_android.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
     <style name="Widget.Auxio.Button.AppWidget.V31" parent="Widget.AppCompat.Button.Borderless">
-        <item name="android:background">@drawable/ui_large_unbounded_ripple</item>
+        <item name="android:background">@drawable/ui_remote_ripple</item>
     </style>
 </resources>