Switch to non-transitive R classes.

app/src/main/java/com/github/libretube/helpers/ThemeHelper.kt

@@ -132,7 +132,7 @@ object ThemeHelper {
      * Get the styled app name
      */
     fun getStyledAppName(context: Context): Spanned {
-        val colorPrimary = getThemeColor(context, R.attr.colorPrimaryDark)
+        val colorPrimary = getThemeColor(context, androidx.appcompat.R.attr.colorPrimaryDark)
         val hexColor = String.format("#%06X", (0xFFFFFF and colorPrimary))
         return "Libre<span  style='color:$hexColor';>Tube</span>"
             .parseAsHtml(HtmlCompat.FROM_HTML_MODE_COMPACT)

app/src/main/java/com/github/libretube/ui/activities/MainActivity.kt

@@ -237,8 +237,14 @@ class MainActivity : BaseActivity() {
             if (lastSeenVideoIndex < 1) return@observe
             binding.bottomNav.getOrCreateBadge(R.id.subscriptionsFragment).apply {
                 number = lastSeenVideoIndex
-                backgroundColor = ThemeHelper.getThemeColor(this@MainActivity, R.attr.colorPrimary)
-                badgeTextColor = ThemeHelper.getThemeColor(this@MainActivity, R.attr.colorOnPrimary)
+                backgroundColor = ThemeHelper.getThemeColor(
+                    this@MainActivity,
+                    androidx.appcompat.R.attr.colorPrimary
+                )
+                badgeTextColor = ThemeHelper.getThemeColor(
+                    this@MainActivity,
+                    com.google.android.material.R.attr.colorOnPrimary
+                )
             }
         }
     }

app/src/main/java/com/github/libretube/ui/adapters/CommentsAdapter.kt

@@ -91,7 +91,10 @@ class CommentsAdapter(
                 // highlight the comment that is being replied to
                 if (comment == comments.firstOrNull()) {
                     root.setBackgroundColor(
-                        ThemeHelper.getThemeColor(root.context, R.attr.colorSurface)
+                        ThemeHelper.getThemeColor(
+                            root.context,
+                            com.google.android.material.R.attr.colorSurface
+                        )
                     )
                     root.updatePadding(top = 20)
                     root.updateLayoutParams<MarginLayoutParams> { bottomMargin = 20 }

app/src/main/java/com/github/libretube/ui/adapters/PlaylistsAdapter.kt

@@ -40,7 +40,8 @@ class PlaylistsAdapter(
             // set imageview drawable as empty playlist if imageview empty
             if (playlist.thumbnail.orEmpty().split("/").size <= 4) {
                 playlistThumbnail.setImageResource(R.drawable.ic_empty_playlist)
-                playlistThumbnail.setBackgroundColor(R.attr.colorSurface)
+                playlistThumbnail
+                    .setBackgroundColor(com.google.android.material.R.attr.colorSurface)
             } else {
                 ImageHelper.loadImage(playlist.thumbnail, playlistThumbnail)
             }

app/src/main/java/com/github/libretube/ui/dialogs/ErrorDialog.kt

@@ -21,7 +21,7 @@ class ErrorDialog : DialogFragment() {
             .setTitle(R.string.error_occurred)
             .setMessage(errorLog)
             .setNegativeButton(R.string.okay, null)
-            .setPositiveButton(R.string.copy) { _, _ ->
+            .setPositiveButton(androidx.preference.R.string.copy) { _, _ ->
                 ClipboardHelper.save(requireContext(), errorLog)
                 Toast.makeText(context, R.string.copied, Toast.LENGTH_SHORT).show()
             }

app/src/main/java/com/github/libretube/ui/views/CustomSwipeToRefresh.kt

@@ -7,7 +7,6 @@ import android.view.MotionEvent
 import android.view.MotionEvent.ACTION_MOVE
 import android.view.ViewConfiguration
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-import com.github.libretube.R
 import com.github.libretube.helpers.ThemeHelper
 import com.google.android.material.elevation.SurfaceColors
 import kotlin.math.abs
@@ -18,7 +17,9 @@ class CustomSwipeToRefresh(context: Context?, attrs: AttributeSet?) :
     private var mPrevX = 0f
 
     init {
-        setColorSchemeColors(ThemeHelper.getThemeColor(this.context, R.attr.colorPrimary))
+        setColorSchemeColors(
+            ThemeHelper.getThemeColor(this.context, androidx.appcompat.R.attr.colorPrimary)
+        )
         setProgressBackgroundColorSchemeColor(
             SurfaceColors.getColorForElevation(this.context, 20f)
         )

app/src/main/java/com/github/libretube/ui/views/MarkableTimeBar.kt

@@ -7,7 +7,6 @@ import android.graphics.Rect
 import android.util.AttributeSet
 import android.view.View
 import androidx.core.view.marginLeft
-import com.github.libretube.R
 import com.github.libretube.api.obj.Segment
 import com.github.libretube.constants.PreferenceKeys
 import com.github.libretube.extensions.dpToPx
@@ -56,7 +55,10 @@ class MarkableTimeBar(
                     canvas.height - marginY
                 ),
                 Paint().apply {
-                    color = ThemeHelper.getThemeColor(context, R.attr.colorOnSecondary)
+                    color = ThemeHelper.getThemeColor(
+                        context,
+                        com.google.android.material.R.attr.colorOnSecondary
+                    )
                 }
             )
         }

gradle.properties

@@ -16,5 +16,5 @@ kotlin.code.style=official
 android.useAndroidX=true
 android.enableJetifier=true
 android.defaults.buildfeatures.buildconfig=true
-android.nonTransitiveRClass=false
+android.nonTransitiveRClass=true
 android.nonFinalResIds=true