Null check palette object. Should fix https://github.com/austinhuang0131/barinsta/issues/567

app/src/main/java/awais/instagrabber/adapters/viewholder/TopicClusterViewHolder.java

@@ -81,9 +81,10 @@ public class TopicClusterViewHolder extends RecyclerView.ViewHolder {
                     }
                     if (bitmap != null) {
                         Palette.from(bitmap).generate(p -> {
-                            final Palette.Swatch swatch = p.getDominantSwatch();
                             final Resources resources = itemView.getResources();
                             int titleTextColor = resources.getColor(R.color.white);
+                            if (p != null) {
+                                final Palette.Swatch swatch = p.getDominantSwatch();
                                 if (swatch != null) {
                                     backgroundColor.set(swatch.getRgb());
                                     GradientDrawable gd = new GradientDrawable(
@@ -92,6 +93,7 @@ public class TopicClusterViewHolder extends RecyclerView.ViewHolder {
                                     titleTextColor = swatch.getTitleTextColor();
                                     binding.background.setBackground(gd);
                                 }
+                            }
                             titleColor.set(titleTextColor);
                             binding.title.setTextColor(titleTextColor);
                         });