diff --git a/app/src/main/java/by/surdoteam/surdo/fragments/RecognizeFragment.java b/app/src/main/java/by/surdoteam/surdo/fragments/RecognizeFragment.java
index 4aafb12..1be5309 100644
--- a/app/src/main/java/by/surdoteam/surdo/fragments/RecognizeFragment.java
+++ b/app/src/main/java/by/surdoteam/surdo/fragments/RecognizeFragment.java
@@ -7,6 +7,7 @@
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -58,6 +59,9 @@ public class RecognizeFragment extends Fragment implements RecognitionListener {
     private List<Integer> video;
     private TextView textViewCommand;
     private FloatingActionButton recognizeStart;
+    private SharedPreferences sharedPref;
+    private SharedPreferences.OnSharedPreferenceChangeListener listener;
+    private boolean settingsChanged;
 
     private MultipleVideoView videoViewFragmentRecognize;
 
@@ -87,6 +91,16 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
     @Override
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        sharedPref = PreferenceManager.getDefaultSharedPreferences(getContext());
+        settingsChanged = false;
+//        cause the preference manager does not currently store a strong reference to the listener
+        listener = (sharedPreferences, key) -> {
+//            Toast.makeText(requireActivity().getApplicationContext(), R.string.restart_app, Toast.LENGTH_LONG).show();
+            if (key.startsWith("rec_")) {
+                settingsChanged = true;
+            }
+        };
+        sharedPref.registerOnSharedPreferenceChangeListener(listener);
         // get permissions
         permissionCheck = ContextCompat.checkSelfPermission(requireActivity().getApplicationContext(), Manifest.permission.RECORD_AUDIO);
         AppDatabase database = ((MainActivity) requireActivity()).getDatabase();
@@ -116,9 +130,11 @@ private void startSetup() {
     private void setupRecognizer(File assetsDir) throws IOException {
         // The recognizer can be configured to perform multiple searches
         // of different kind and switch between them
-        SharedPreferences sharedPref = getActivity().getPreferences(Context.MODE_PRIVATE);
-        int threshold = sharedPref.getInt("sensitivity_of_the_activation_phrase", 6);
-        String grammar_name = sharedPref.getString("grammar_name", getString(R.string.grammar_name_default_value));
+//        Log.e("Settings", Integer.toString(sharedPref.getInt("rec_sensitivity_of_the_activation_phrase", 6)) + " " +
+//                             sharedPref.getString("rec_grammar_name", getString(R.string.grammar_name_default_value)) + " " +
+//                            Boolean.toString(sharedPref.getBoolean("rec_save_logs", false)));
+        int threshold = sharedPref.getInt("rec_sensitivity_of_the_activation_phrase", 6);
+        String grammar_name = sharedPref.getString("rec_grammar_name", getString(R.string.grammar_name_default_value));
         SpeechRecognizerSetup setup = SpeechRecognizerSetup.defaultSetup()
                 .setAcousticModel(new File(assetsDir, "ru-ru-ptm"))
                 .setDictionary(new File(assetsDir, "car.dict"))
@@ -126,11 +142,9 @@ private void setupRecognizer(File assetsDir) throws IOException {
                 .setSampleRate(8000)
                 .setKeywordThreshold((float) Math.pow(10, -threshold));
 
-        if (sharedPref.getBoolean("save_logs", false)) {
+        if (sharedPref.getBoolean("rec_save_logs", false)) {
             setup.setRawLogDir(assetsDir); // To disable logging of raw audio comment out this call (takes a lot of space on the device)
         }
-
-
         recognizer = setup.getRecognizer();
         recognizer.addListener(this);
 
@@ -194,7 +208,15 @@ public void onStop() {
     public void onStart() {
         super.onStart();
         if (recognizer != null) {
-            switchSearch(KWS_SEARCH);
+            if (settingsChanged) {
+                recognizeStart.setEnabled(false);
+                settingsChanged = false;
+                recognizer.cancel();
+                recognizer.shutdown();
+                startSetup();
+            } else {
+                switchSearch(KWS_SEARCH);
+            }
         }
     }
 
diff --git a/app/src/main/java/by/surdoteam/surdo/fragments/SettingsFragment.java b/app/src/main/java/by/surdoteam/surdo/fragments/SettingsFragment.java
index 073bdce..301e450 100644
--- a/app/src/main/java/by/surdoteam/surdo/fragments/SettingsFragment.java
+++ b/app/src/main/java/by/surdoteam/surdo/fragments/SettingsFragment.java
@@ -9,6 +9,13 @@
 
 public class SettingsFragment extends PreferenceFragmentCompat {
 
+//    @Override
+//    public void onCreate(@Nullable Bundle savedInstanceState) {
+//        super.onCreate(savedInstanceState);
+//        SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getContext());
+//        sharedPref.registerOnSharedPreferenceChangeListener((prefs, key) -> Toast.makeText(requireActivity().getApplicationContext(), R.string.restart_app, Toast.LENGTH_LONG).show());
+//    }
+
     @Override
     public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         addPreferencesFromResource(R.xml.settings);
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1a2207d..7b5d17b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -12,6 +12,7 @@
     <string name="grammar_name_summary">Выбор грамматики, используемой для распознавания. "Long" означает возможность распознавания нескольких фраз подряд</string>
     <string name="save_logs">Сохранять логи</string>
     <string name="save_logs_summary">Активировать сохранение логов распознавания. Занимает много места на устройстве!</string>
+    <string name="restart_app">Перезапустите приложение, чтобы применить настройки</string>
 
     <string name="recognizer">Переводчик</string>
     <string name="prompt_command">Здесь будет отображаться ваша голосовая команда</string>
diff --git a/app/src/main/res/xml/settings.xml b/app/src/main/res/xml/settings.xml
index 4045d99..71d10d6 100644
--- a/app/src/main/res/xml/settings.xml
+++ b/app/src/main/res/xml/settings.xml
@@ -6,7 +6,7 @@
             app:key="recognition_category"
             app:title="@string/recognition_category">
         <SeekBarPreference
-                android:key="sensitivity_of_the_activation_phrase"
+                android:key="rec_sensitivity_of_the_activation_phrase"
                 android:summary="@string/sensitivity_of_the_activation_phrase_summary"
                 android:title="@string/sensitivity_of_the_activation_phrase"
                 android:max="10"
@@ -15,7 +15,7 @@
                 android:progress="1"
                 app:showSeekBarValue="true" />
         <ListPreference
-                android:key="grammar_name"
+                android:key="rec_grammar_name"
                 android:summary="@string/grammar_name_summary"
                 android:title="@string/grammar_name"
                 android:entries="@array/grammar_name_names"
@@ -26,7 +26,7 @@
             app:key="debug_category"
             app:title="@string/debug_category">
     <CheckBoxPreference
-            android:key="save_logs"
+            android:key="rec_save_logs"
             android:summary="@string/save_logs_summary"
             android:title="@string/save_logs"
             android:defaultValue="false"/>