Improve the experience of searching in comments.

app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPostDetailActivity.java

@@ -424,11 +424,13 @@ public class ViewPostDetailActivity extends BaseActivity implements SortTypeSele
         }
     }
 
-    public void toggleSearchPanelVisibility() {
+    public boolean toggleSearchPanelVisibility() {
         if (searchPanelMaterialCardView.getVisibility() == View.GONE) {
             searchPanelMaterialCardView.setVisibility(View.VISIBLE);
+            return false;
         } else {
             searchPanelMaterialCardView.setVisibility(View.GONE);
+            return true;
         }
     }
 

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java

@@ -13,6 +13,7 @@ import android.text.Spanned;
 import android.text.TextPaint;
 import android.text.style.ClickableSpan;
 import android.text.util.Linkify;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -314,14 +315,12 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
     @Override
     public int getItemViewType(int position) {
         if (mVisibleComments.size() == 0) {
-            if (position == 0) {
+            if (isInitiallyLoading) {
-                if (isInitiallyLoading) {
+                return VIEW_TYPE_FIRST_LOADING;
-                    return VIEW_TYPE_FIRST_LOADING;
+            } else if (isInitiallyLoadingFailed) {
-                } else if (isInitiallyLoadingFailed) {
+                return VIEW_TYPE_FIRST_LOADING_FAILED;
-                    return VIEW_TYPE_FIRST_LOADING_FAILED;
+            } else {
-                } else {
+                return VIEW_TYPE_NO_COMMENT_PLACEHOLDER;
-                    return VIEW_TYPE_NO_COMMENT_PLACEHOLDER;
-                }
             }
         }
 
@@ -400,6 +399,8 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
             if (comment != null) {
                 if (position == mSearchCommentIndex) {
                     holder.itemView.setBackgroundColor(Color.parseColor("#03A9F4"));
+                } else {
+                    holder.itemView.setBackgroundColor(mCommentBackgroundColor);
                 }
                 if (mIsSingleCommentThreadMode && comment.getId().equals(mSingleCommentId)) {
                     holder.itemView.setBackgroundColor(mSingleCommentThreadBackgroundColor);
@@ -900,13 +901,14 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
     }
 
     public void initiallyLoading() {
+        resetCommentSearchIndex();
         if (mVisibleComments.size() != 0) {
             int previousSize = mVisibleComments.size();
             mVisibleComments.clear();
             if (mIsSingleCommentThreadMode) {
-                notifyItemRangeRemoved(0, previousSize + 1);
+                notifyItemRangeRemoved(0, previousSize + ((mHasMoreComments || loadMoreCommentsFailed) ? 1 : 0) + 1);
             } else {
-                notifyItemRangeRemoved(0, previousSize);
+                notifyItemRangeRemoved(0, previousSize + ((mHasMoreComments || loadMoreCommentsFailed) ? 1 : 0));
             }
         }
 
@@ -1056,6 +1058,7 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
     @Override
     public void onViewRecycled(@NonNull RecyclerView.ViewHolder holder) {
         if (holder instanceof CommentViewHolder) {
+            holder.itemView.setBackgroundColor(mCommentBackgroundColor);
             ((CommentViewHolder) holder).authorTextView.setTextColor(mUsernameColor);
             ((CommentViewHolder) holder).authorFlairTextView.setVisibility(View.GONE);
             ((CommentViewHolder) holder).authorTextView.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
@@ -1067,13 +1070,13 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
             ((CommentViewHolder) holder).scoreTextView.setTextColor(mCommentIconAndInfoColor);
             ((CommentViewHolder) holder).downvoteButton.setColorFilter(mCommentIconAndInfoColor, android.graphics.PorterDuff.Mode.SRC_IN);
             ((CommentViewHolder) holder).replyButton.setColorFilter(mCommentIconAndInfoColor, android.graphics.PorterDuff.Mode.SRC_IN);
-            ((CommentViewHolder) holder).itemView.setBackgroundColor(mCommentBackgroundColor);
         }
     }
 
     @Override
     public int getItemCount() {
         if (isInitiallyLoading || isInitiallyLoadingFailed || mVisibleComments.size() == 0) {
+            Log.i("adfasdf", "sds");
             return 1;
         }
 

app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewPostDetailFragment.java

@@ -12,6 +12,7 @@ import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Handler;
 import android.util.DisplayMetrics;
+import android.util.Log;
 import android.view.HapticFeedbackConstants;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -770,18 +771,21 @@ public class ViewPostDetailFragment extends Fragment implements FragmentCommunic
         if (mCommentsAdapter != null) {
             ArrayList<Comment> visibleComments = mCommentsAdapter.getVisibleComments();
             int currentSearchIndex = mCommentsAdapter.getSearchCommentIndex();
+            if (currentSearchIndex >= 0) {
+                mCommentsAdapter.notifyItemChanged(currentSearchIndex);
+            }
             if (visibleComments != null) {
                 if (searchNextComment) {
                     for (int i = currentSearchIndex + 1; i < visibleComments.size(); i++) {
                         if (visibleComments.get(i).getCommentRawText() != null && visibleComments.get(i).getCommentRawText().contains(query)) {
                             if (mCommentsAdapter != null) {
+                                mCommentsAdapter.highlightSearchResult(i);
+                                mCommentsAdapter.notifyItemChanged(i);
                                 if (mCommentsRecyclerView == null) {
                                     mRecyclerView.smoothScrollToPosition(i + 1);
                                 } else {
                                     mCommentsRecyclerView.smoothScrollToPosition(i);
                                 }
-                                mCommentsAdapter.highlightSearchResult(i);
-                                mCommentsAdapter.notifyItemChanged(i);
                             }
                             return;
                         }
@@ -792,13 +796,13 @@ public class ViewPostDetailFragment extends Fragment implements FragmentCommunic
                     for (int i = currentSearchIndex - 1; i >= 0; i--) {
                         if (visibleComments.get(i).getCommentRawText() !=null && visibleComments.get(i).getCommentRawText().contains(query)) {
                             if (mCommentsAdapter != null) {
+                                mCommentsAdapter.highlightSearchResult(i);
+                                mCommentsAdapter.notifyItemChanged(i);
                                 if (mCommentsRecyclerView == null) {
                                     mRecyclerView.smoothScrollToPosition(i + 1);
                                 } else {
                                     mCommentsRecyclerView.smoothScrollToPosition(i);
                                 }
-                                mCommentsAdapter.highlightSearchResult(i);
-                                mCommentsAdapter.notifyItemChanged(i);
                             }
                             return;
                         }
@@ -830,7 +834,9 @@ public class ViewPostDetailFragment extends Fragment implements FragmentCommunic
     public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         int itemId = item.getItemId();
         if (itemId == R.id.action_search_view_post_detail_fragment) {
-            activity.toggleSearchPanelVisibility();
+            if (activity.toggleSearchPanelVisibility() && mCommentsAdapter != null) {
+                mCommentsAdapter.resetCommentSearchIndex();
+            }
         } else if (itemId == R.id.action_refresh_view_post_detail_fragment) {
             refresh(true, true);
             return true;

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

@@ -52,13 +52,14 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_gravity="bottom"
-        android:backgroundTint="#FFFFFF"
         android:visibility="gone"
         app:cardElevation="16dp">
 
         <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
+            android:layout_height="wrap_content"
+            android:paddingStart="0dp"
+            android:paddingEnd="8dp">
 
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/search_text_input_layout_view_post_detail_activity"