Merge pull request #4230 from hammadrfq3/SearchView_updateResultList_…

…exception

SearchView updatResultList issue fixed

app/src/main/java/com/amaze/filemanager/ui/views/appbar/SearchView.java

@@ -67,6 +67,7 @@
 import android.view.animation.AccelerateDecelerateInterpolator;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputMethodManager;
+import android.widget.Toast;
 
 import androidx.appcompat.widget.AppCompatButton;
 import androidx.appcompat.widget.AppCompatEditText;
@@ -372,11 +373,15 @@ private void resetSearchMode() {
    * @param searchTerm The search term that resulted in the search results
    */
   private void updateResultList(List<SearchResult> newResults, String searchTerm) {
-    ArrayList<SearchResult> items = new ArrayList<>(newResults);
-    Collections.sort(
-        items, new SearchResultListSorter(DirSortBy.NONE_ON_TOP, sortType, searchTerm));
-    searchRecyclerViewAdapter.submitList(items);
-    searchRecyclerViewAdapter.notifyDataSetChanged();
+    if (newResults != null) {
+      ArrayList<SearchResult> items = new ArrayList<>(newResults);
+      Collections.sort(
+          items, new SearchResultListSorter(DirSortBy.NONE_ON_TOP, sortType, searchTerm));
+      searchRecyclerViewAdapter.submitList(items);
+      searchRecyclerViewAdapter.notifyDataSetChanged();
+    } else {
+      Toast.makeText(mainActivity, "No search result found", Toast.LENGTH_SHORT).show();
+    }
   }
 
   /** show search view with a circular reveal animation */