hopefully fixed the bug with latinit searchView

app/src/main/java/com/paktalin/vocabularynotebook/ui/activities/MainActivity.kt

@@ -24,7 +24,6 @@ class MainActivity : AppCompatActivity() {
 
     lateinit var vocabularyFragment: VocabularyFragment
     lateinit var searchView: SearchView
-    lateinit var optionsMenu: Menu
     var inEditMode = false
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -35,13 +34,14 @@ class MainActivity : AppCompatActivity() {
         swipeRefresh.setColorSchemeResources(R.color.colorAccent)
         hideKeyboard()
         setUpNavigationView()
-        extractVocabularyData()
     }
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
-        optionsMenu = menu!!
         menuInflater.inflate(R.menu.options_menu, menu)
-        searchView = menu.findItem(R.id.search).actionView as SearchView
+        searchView = menu!!.findItem(R.id.search).actionView as SearchView
+        // extract vocabulary data only after searchView is initialized,
+        // since it needs to be called in the VocabularyFragment initialization
+        extractVocabularyData()
         return true
     }
 

app/src/main/java/com/paktalin/vocabularynotebook/ui/views/LockableLayoutManager.kt

@@ -12,6 +12,6 @@ class LockableLayoutManager(context: Context) : LinearLayoutManager(context) {
     }
 
     companion object {
-        private val TAG = "VN/" + VocabularyFragment::class.simpleName
+        private val TAG = "VN/" + LockableLayoutManager::class.simpleName
     }
 }