Open notification channel settings from app settings

app/src/main/java/dummydomain/yetanothercallblocker/SettingsActivity.java

@@ -104,6 +104,7 @@ public class SettingsActivity extends AppCompatActivity
 
         private static final String PREF_USE_CALL_SCREENING_SERVICE = "useCallScreeningService";
         private static final String PREF_AUTO_UPDATE_ENABLED = "autoUpdateEnabled";
+        private static final String PREF_NOTIFICATION_CHANNEL_SETTINGS = "notificationChannelSettings";
         private static final String PREF_CATEGORY_NOTIFICATIONS = "categoryNotifications";
         private static final String PREF_SCREEN_ADVANCED = "screenAdvanced";
         private static final String PREF_DB_MANAGEMENT = "dbManagement";
@@ -226,9 +227,22 @@ public class SettingsActivity extends AppCompatActivity
                 return true;
             });
 
+            Preference notificationChannelSettings = requireNonNull(
+                    findPreference(PREF_NOTIFICATION_CHANNEL_SETTINGS));
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                notificationChannelSettings.setOnPreferenceClickListener(preference -> {
+                    Intent intent = new Intent(
+                            android.provider.Settings.ACTION_APP_NOTIFICATION_SETTINGS);
+                    intent.putExtra(android.provider.Settings.EXTRA_APP_PACKAGE,
+                            BuildConfig.APPLICATION_ID);
+                    startActivity(intent);
+                    return true;
+                });
+
                 Preference category = requireNonNull(findPreference(PREF_CATEGORY_NOTIFICATIONS));
                 category.setVisible(false);
+            } else {
+                notificationChannelSettings.setVisible(false);
             }
         }
 

app/src/main/res/values-ru/strings.xml

@@ -100,6 +100,7 @@
     <string name="show_notifications_for_known_callers_summary">Показывать уведомления для известных звонящих (номеров из телефонной книги)</string>
     <string name="show_notifications_for_unknown_callers">Уведомления для неизвестных звонящих</string>
     <string name="show_notifications_for_unknown_callers_summary">Показывать уведомления для неизвестных звонящих (отсутствующих в телефонной книге и в базе номеров)</string>
+    <string name="notification_settings">Настройки уведомлений</string>
     <string name="settings_screen_advanced">Продвинутые настройки</string>
     <string name="settings_category_country_codes">Коды страны</string>
     <string name="country_codes_info">Объяснение</string>

app/src/main/res/values/strings.xml

@@ -89,6 +89,7 @@
     <string name="show_notifications_for_known_callers_summary">Display notifications for known callers (numbers in Contacts)</string>
     <string name="show_notifications_for_unknown_callers">Notifications for unknown callers</string>
     <string name="show_notifications_for_unknown_callers_summary">Display notifications for unknown callers (neither in Contacts nor in number database)</string>
+    <string name="notification_settings">Notification settings</string>
 
     <string name="incoming_call_notifications">Incoming call notifications</string>
     <string name="incoming_call_notifications_summary">Displays a notification with phone number summary (rating, reviews count, category) during incoming calls</string>

app/src/main/res/xml/root_preferences.xml

@@ -57,6 +57,11 @@
         app:summary="@string/use_monitoring_service_summary"
         app:title="@string/use_monitoring_service" />
 
+    <Preference
+        app:key="notificationChannelSettings"
+        app:persistent="false"
+        app:title="@string/notification_settings" />
+
     <PreferenceCategory
         app:key="categoryNotifications"
         app:title="@string/settings_category_notifications_incoming_calls">