Add settings to control the change notifications

app/src/main/java/com/etesync/syncadapter/App.java

@@ -93,7 +93,8 @@ public class App extends Application {
             OVERRIDE_PROXY = "overrideProxy",
             OVERRIDE_PROXY_HOST = "overrideProxyHost",
             OVERRIDE_PROXY_PORT = "overrideProxyPort",
-            FORCE_LANGUAGE = "forceLanguage";
+            FORCE_LANGUAGE = "forceLanguage",
+            CHANGE_NOTIFICATION = "changeNotification";
 
     public static final String OVERRIDE_PROXY_HOST_DEFAULT = "localhost";
     public static final int OVERRIDE_PROXY_PORT_DEFAULT = 8118;

app/src/main/java/com/etesync/syncadapter/model/Settings.java

@@ -14,6 +14,10 @@ import android.database.sqlite.SQLiteDatabase;
 import android.support.annotation.Nullable;
 
 public class Settings {
+    public enum ChangeNotification {
+        ALL_CHANGES,
+        NONE
+    }
 
     final SQLiteDatabase db;
 
@@ -78,6 +82,11 @@ public class Settings {
         }
     }
 
+    public ChangeNotification getChangeNotification(String name) {
+        int changeNotificationIndex = getInt(name, 0);
+        return ChangeNotification.values()[changeNotificationIndex];
+    }
+
     public void putString(String name, @Nullable String value) {
         ContentValues values = new ContentValues(2);
         values.put(ServiceDB.Settings.NAME, name);

app/src/main/java/com/etesync/syncadapter/syncadapter/SyncManager.java

@@ -28,7 +28,9 @@ import com.etesync.syncadapter.model.CollectionInfo;
 import com.etesync.syncadapter.model.EntryEntity;
 import com.etesync.syncadapter.model.JournalEntity;
 import com.etesync.syncadapter.model.JournalModel;
+import com.etesync.syncadapter.model.ServiceDB;
 import com.etesync.syncadapter.model.ServiceEntity;
+import com.etesync.syncadapter.model.Settings;
 import com.etesync.syncadapter.model.SyncEntry;
 import com.etesync.syncadapter.resource.LocalCollection;
 import com.etesync.syncadapter.resource.LocalResource;
@@ -241,7 +243,11 @@ abstract public class SyncManager {
     }
 
     private void notifyUserOnSync() {
-        if (remoteEntries.isEmpty()) {
+        Settings.ChangeNotification changeNotification =
+                new Settings(new ServiceDB.OpenHelper(context).getReadableDatabase())
+                        .getChangeNotification(App.CHANGE_NOTIFICATION);
+        if (remoteEntries.isEmpty() ||
+                changeNotification.equals(Settings.ChangeNotification.NONE)) {
             return;
         }
         NotificationHelper notificationHelper = new NotificationHelper(context,

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

@@ -98,6 +98,11 @@
     <string name="app_settings_show_debug_info_details">View/share software and configuration details</string>
     <string name="app_settings_force_language">Force Language</string>
     <string name="app_settings_force_language_default">Auto</string>
+    <string name="app_settings_change_notification">Show change notifications</string>
+    <string-array name="app_settings_change_notification_values">
+        <item>For all changes</item>
+        <item>None</item>
+    </string-array>
 
     <!-- AccountActivity -->
     <string name="account_synchronize_now">Synchronize now</string>

app/src/main/res/xml/settings_app.xml

@@ -11,6 +11,13 @@
 
     <PreferenceCategory android:title="@string/app_settings_user_interface">
 
+        <ListPreference
+            android:dialogTitle="@string/app_settings_change_notification"
+            android:entryValues="@array/app_settings_change_notification_values"
+            android:entries="@array/app_settings_change_notification_values"
+            android:key="change_notification"
+            android:title="@string/app_settings_change_notification"/>
+
         <Preference
             android:key="reset_hints"
             android:title="@string/app_settings_reset_hints"