Revert "Drop rikkax"

This reverts commit 87d284ad97.

app/src/main/java/com/hippo/ehviewer/widget/SearchBar.java

@@ -60,6 +60,8 @@ import com.hippo.yorozuya.ViewUtils;
 import java.util.ArrayList;
 import java.util.List;
 
+import rikka.core.res.ResourcesKt;
+
 public class SearchBar extends MaterialCardView implements View.OnClickListener,
         TextView.OnEditorActionListener, TextWatcher,
         SearchEditText.SearchEditTextListener {
@@ -146,7 +148,7 @@ public class SearchBar extends MaterialCardView implements View.OnClickListener,
         LinearLayoutManager layoutManager = new LinearLayoutManager(context);
         LinearDividerItemDecoration decoration = new LinearDividerItemDecoration(
                 LinearDividerItemDecoration.VERTICAL,
-                0,
+                ResourcesKt.resolveColor(context.getTheme(), R.attr.dividerColor),
                 LayoutUtils.dp2pix(context, 1));
         decoration.setShowLastDivider(false);
         mListView.addItemDecoration(decoration);