allow to open Android notification settings from Notification settings

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/NotificationManagementActivity.java

@@ -42,13 +42,13 @@ import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceManager;
+import android.provider.Settings;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
-import nodomain.freeyourgadget.gadgetbridge.database.PeriodicExporter;
 import nodomain.freeyourgadget.gadgetbridge.util.GBPrefs;
 import nodomain.freeyourgadget.gadgetbridge.util.Prefs;
 
@@ -108,11 +108,31 @@ public class NotificationManagementActivity extends AbstractSettingsActivity {
             category.removePreference(pref);
         }
 
+        pref = findPreference("notifications_settings");
+        pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            public boolean onPreferenceClick(Preference preference) {
+                Intent intent = new Intent(Settings.ACTION_APP_NOTIFICATION_SETTINGS);
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                intent.putExtra(Settings.EXTRA_APP_PACKAGE, getPackageName());
+                //This could open notification channel settings, if needed...:
+                //Intent intent = new Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS);
+                //intent.putExtra(Settings.EXTRA_CHANNEL_ID, GB.NOTIFICATION_CHANNEL_ID_TRANSFER);
+                startActivity(intent);
+                return true;
+            }
+        });
+
         if (GBApplication.isRunningTenOrLater()) {
             pref = findPreference("minimize_priority");
             PreferenceCategory category = (PreferenceCategory) findPreference("pref_key_notifications");
             category.removePreference(pref);
         }
+
+        if (!GBApplication.isRunningOreoOrLater()) {
+            pref = findPreference("notifications_settings");
+            PreferenceCategory category = (PreferenceCategory) findPreference("pref_key_notifications");
+            category.removePreference(pref);
+        }
     }
 
 

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

@@ -142,6 +142,7 @@
     <string name="pref_title_notifications_pebblemsg">Pebble Messages</string>
     <string name="pref_summary_notifications_pebblemsg">Support for apps that send notifications to the Pebble via PebbleKit.</string>
     <string name="pref_title_notifications_generic">Generic notification support</string>
+    <string name="pref_title_notifications_generic_settings">Android notification settings</string>
     <string name="pref_title_whenscreenon">…also when screen is on</string>
     <string name="pref_title_notification_filter">Do Not Disturb</string>
     <string name="pref_summary_notification_filter">Block all notifications when Do Not Disturb is enabled on the phone</string>

app/src/main/res/xml/notifications_preferences.xml

@@ -3,6 +3,10 @@
         android:key="pref_key_notifications"
         android:title="@string/pref_header_notifications">
 
+        <Preference
+            android:key="notifications_settings"
+            android:title="@string/pref_title_notifications_generic_settings" />
+
         <Preference
             android:key="notifications_generic"
             android:title="@string/pref_title_notifications_generic" />