MOBILE-3321 core: Decouple Network from App

src/addons/calendar/components/calendar/calendar.ts

@@ -41,7 +41,7 @@ import {
 import { AddonCalendarFilter, AddonCalendarHelper } from '../../services/calendar-helper';
 import { AddonCalendarOffline } from '../../services/calendar-offline';
 import { CoreCategoryData, CoreCourses } from '@features/courses/services/courses';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSwipeSlidesComponent } from '@components/swipe-slides/swipe-slides';
 import {
     CoreSwipeSlidesDynamicItem,
@@ -498,7 +498,7 @@ class AddonCalendarMonthSlidesItemsManagerSource extends CoreSwipeSlidesDynamicI
                 // Don't pass courseId and categoryId, we'll filter them locally.
                 result = await AddonCalendar.getMonthlyEvents(year, monthNumber);
             } catch (error) {
-                if (!CoreApp.isOnline()) {
+                if (!CoreNetwork.isOnline()) {
                     // Allow navigating to non-cached months in offline (behave as if using emergency cache).
                     result = await AddonCalendarHelper.getOfflineMonthWeeks(year, monthNumber);
                 } else {

src/addons/calendar/pages/day/day.page.ts

@@ -14,7 +14,7 @@
 
 import { Component, OnInit, OnDestroy, ViewChild } from '@angular/core';
 import { IonRefresher } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
@@ -183,7 +183,7 @@ export class AddonCalendarDayPage implements OnInit, OnDestroy {
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
     }
@@ -237,7 +237,7 @@ export class AddonCalendarDayPage implements OnInit, OnDestroy {
      */
     async fetchData(sync?: boolean): Promise<void> {
         this.syncIcon = CoreConstants.ICON_LOADING;
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
 
         if (sync) {
             await this.sync();
@@ -674,7 +674,7 @@ class AddonCalendarDaySlidesItemsManagerSource extends CoreSwipeSlidesDynamicIte
             );
         } catch (error) {
             // Allow navigating to non-cached days in offline (behave as if using emergency cache).
-            if (CoreApp.isOnline()) {
+            if (CoreNetwork.isOnline()) {
                 throw error;
             }
         }

src/addons/calendar/pages/event/event.page.ts

@@ -23,7 +23,7 @@ import {
 import { AddonCalendarEventReminder, AddonCalendarHelper } from '../../services/calendar-helper';
 import { AddonCalendarOffline } from '../../services/calendar-offline';
 import { AddonCalendarSync, AddonCalendarSyncEvents, AddonCalendarSyncProvider } from '../../services/calendar-sync';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
@@ -126,7 +126,7 @@ export class AddonCalendarEventPage implements OnInit, OnDestroy {
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
 
@@ -184,7 +184,7 @@ export class AddonCalendarEventPage implements OnInit, OnDestroy {
      * @return Promise resolved when done.
      */
     async fetchEvent(sync = false, showErrors = false): Promise<void> {
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
 
         if (sync) {
             const deleted = await this.syncEvents(showErrors);

src/addons/calendar/pages/index/index.page.ts

@@ -14,7 +14,7 @@
 
 import { Component, OnInit, OnDestroy, ViewChild } from '@angular/core';
 import { IonRefresher } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
@@ -156,7 +156,7 @@ export class AddonCalendarIndexPage implements OnInit, OnDestroy {
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
     }
@@ -193,7 +193,7 @@ export class AddonCalendarIndexPage implements OnInit, OnDestroy {
     async fetchData(sync?: boolean, showErrors?: boolean): Promise<void> {
 
         this.syncIcon = CoreConstants.ICON_LOADING;
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
 
         if (sync) {
             // Try to synchronize offline events.

src/addons/calendar/services/calendar-sync.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 import { CoreSyncBaseProvider, CoreSyncBlockedError } from '@classes/base-sync';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreEvents } from '@singletons/events';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -134,7 +134,7 @@ export class AddonCalendarSyncProvider extends CoreSyncBaseProvider<AddonCalenda
         const eventIds: number[] = await CoreUtils.ignoreErrors(AddonCalendarOffline.getAllEventsIds(siteId), []);
 
         if (eventIds.length > 0) {
-            if (!CoreApp.isOnline()) {
+            if (!CoreNetwork.isOnline()) {
                 // Cannot sync in offline.
                 throw new CoreNetworkError();
             }

src/addons/calendar/services/calendar.ts

@@ -15,7 +15,7 @@
 import { Injectable } from '@angular/core';
 import { CoreSites } from '@services/sites';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreUrlUtils } from '@services/utils/url';
@@ -241,7 +241,7 @@ export class AddonCalendarProvider {
         const storeOffline = (): Promise<boolean> =>
             AddonCalendarOffline.markDeleted(eventId, name, deleteAll, siteId).then(() => false);
 
-        if (forceOffline || !CoreApp.isOnline()) {
+        if (forceOffline || !CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -1074,7 +1074,7 @@ export class AddonCalendarProvider {
         });
 
         // Store starting week day preference, we need it in offline to show months that are not in cache.
-        if (CoreApp.isOnline()) {
+        if (CoreNetwork.isOnline()) {
             CoreConfig.set(AddonCalendarProvider.STARTING_WEEK_DAY, response.daynames[0].dayno);
         }
 
@@ -1707,7 +1707,7 @@ export class AddonCalendarProvider {
             return { sent: false, event };
         };
 
-        if (options.forceOffline || !CoreApp.isOnline()) {
+        if (options.forceOffline || !CoreNetwork.isOnline()) {
             // App is offline, store the event.
             return storeOffline();
         }

src/addons/messages/services/messages-offline.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 import { CoreSites } from '@services/sites';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreTextUtils } from '@services/utils/text';
 import {
     AddonMessagesOfflineConversationMessagesDBRecord,
@@ -283,7 +283,7 @@ export class AddonMessagesOfflineProvider {
             conversationid: conversation.id,
             text: message,
             timecreated: Date.now(),
-            deviceoffline: CoreApp.isOnline() ? 0 : 1,
+            deviceoffline: CoreNetwork.isOnline() ? 0 : 1,
             conversation: JSON.stringify({
                 name: conversation.name || '',
                 subname: conversation.subname || '',
@@ -314,7 +314,7 @@ export class AddonMessagesOfflineProvider {
             useridfrom: site.getUserId(),
             smallmessage: message,
             timecreated: new Date().getTime(),
-            deviceoffline: CoreApp.isOnline() ? 0 : 1,
+            deviceoffline: CoreNetwork.isOnline() ? 0 : 1,
         };
 
         await site.getDb().insertRecord(MESSAGES_TABLE, entry);

src/addons/messages/services/messages-sync.ts

@@ -26,7 +26,7 @@ import { CoreEvents } from '@singletons/events';
 import { CoreUtils } from '@services/utils/utils';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreSites } from '@services/sites';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreConstants } from '@/core/constants';
 import { CoreUser } from '@features/user/services/user';
 import { CoreError } from '@classes/errors/error';
@@ -193,7 +193,7 @@ export class AddonMessagesSyncProvider extends CoreSyncBaseProvider<AddonMessage
         if (!messages.length) {
             // Nothing to sync.
             return result;
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline. Mark messages as device offline.
             AddonMessagesOffline.setMessagesDeviceOffline(messages, true);
 
@@ -228,7 +228,7 @@ export class AddonMessagesSyncProvider extends CoreSyncBaseProvider<AddonMessage
             } catch (error) {
                 if (!CoreUtils.isWebServiceError(error)) {
                     // Error sending, stop execution.
-                    if (CoreApp.isOnline()) {
+                    if (CoreNetwork.isOnline()) {
                         // App is online, unmark deviceoffline if marked.
                         AddonMessagesOffline.setMessagesDeviceOffline(messages, false);
                     }

src/addons/messages/services/messages.ts

@@ -15,7 +15,7 @@
 import { Injectable } from '@angular/core';
 import { CoreLogger } from '@singletons/logger';
 import { CoreSites } from '@services/sites';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreUser, CoreUserBasicData } from '@features/user/services/user';
 import {
     AddonMessagesOffline,
@@ -2424,7 +2424,7 @@ export class AddonMessagesProvider {
 
         siteId = siteId || CoreSites.getCurrentSiteId();
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the message.
             return storeOffline();
         }
@@ -2555,7 +2555,7 @@ export class AddonMessagesProvider {
             };
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the message.
             return storeOffline();
         }

src/addons/mod/assign/components/submission/submission.ts

@@ -49,7 +49,7 @@ import { AddonModAssignOffline } from '../../services/assign-offline';
 import { CoreUser, CoreUserProfile } from '@features/user/services/user';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreNavigator } from '@services/navigator';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFileUploaderHelper } from '@features/fileuploader/services/fileuploader-helper';
 import { CoreLang } from '@services/lang';
 import { CoreError } from '@classes/errors/error';
@@ -292,7 +292,7 @@ export class AddonModAssignSubmissionComponent implements OnInit, OnDestroy, Can
             return;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.networkerrormsg', true);
 
             return;

src/addons/mod/assign/services/assign-sync.ts

@@ -35,7 +35,7 @@ import {
 import { CoreSync } from '@services/sync';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreUtils } from '@services/utils/utils';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreGradesFormattedItem, CoreGradesHelper } from '@features/grades/services/grades-helper';
 import { AddonModAssignSubmissionDelegate } from './submission-delegate';
@@ -215,7 +215,7 @@ export class AddonModAssignSyncProvider extends CoreCourseActivitySyncBaseProvid
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/assign/services/assign.ts

@@ -24,7 +24,7 @@ import { CoreGrades } from '@features/grades/services/grades';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreError } from '@classes/errors/error';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreUtils } from '@services/utils/utils';
 import { AddonModAssignOffline } from './assign-offline';
 import { AddonModAssignSubmissionDelegate } from './submission-delegate';
@@ -1027,7 +1027,7 @@ export class AddonModAssignProvider {
             return false;
         };
 
-        if (allowOffline && !CoreApp.isOnline()) {
+        if (allowOffline && !CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -1137,7 +1137,7 @@ export class AddonModAssignProvider {
             return false;
         };
 
-        if (forceOffline || !CoreApp.isOnline()) {
+        if (forceOffline || !CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -1234,7 +1234,7 @@ export class AddonModAssignProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/mod/book/pages/contents/contents.ts

@@ -25,7 +25,7 @@ import { CoreCourseModuleData } from '@features/course/services/course-helper';
 import { CoreCourseModulePrefetchDelegate } from '@features/course/services/module-prefetch-delegate';
 import { CoreTag, CoreTagItem } from '@features/tag/services/tag';
 import { IonRefresher } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNavigator } from '@services/navigator';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
@@ -190,7 +190,7 @@ export class AddonModBookContentsPage implements OnInit, OnDestroy {
 
         if (!module.contents?.length || (refresh && !contentsAlreadyLoaded)) {
             // Try to load the contents.
-            const ignoreCache = refresh && CoreApp.isOnline();
+            const ignoreCache = refresh && CoreNetwork.isOnline();
 
             try {
                 await CoreCourse.loadModuleContents(module, undefined, undefined, false, ignoreCache);

src/addons/mod/chat/components/users-modal/users-modal.ts

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 import { Component, Input, OnDestroy, OnInit } from '@angular/core';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { ModalController, Network, NgZone } from '@singletons';
@@ -40,12 +40,12 @@ export class AddonModChatUsersModalComponent implements OnInit, OnDestroy {
     protected onlineSubscription: Subscription;
 
     constructor() {
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
         this.currentUserId = CoreSites.getCurrentSiteUserId();
         this.onlineSubscription = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
     }

src/addons/mod/chat/pages/chat/chat.ts

@@ -18,6 +18,7 @@ import { CoreSendMessageFormComponent } from '@components/send-message-form/send
 import { CanLeave } from '@guards/can-leave';
 import { IonContent } from '@ionic/angular';
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
@@ -65,11 +66,11 @@ export class AddonModChatChatPage implements OnInit, OnDestroy, CanLeave {
 
     constructor() {
         this.currentUserId = CoreSites.getCurrentSiteUserId();
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
         this.onlineSubscription = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
     }

src/addons/mod/choice/services/choice-sync.ts

@@ -17,7 +17,7 @@ import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
 import { CoreCourse } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { makeSingleton } from '@singletons';
@@ -160,7 +160,7 @@ export class AddonModChoiceSyncProvider extends CoreCourseActivitySyncBaseProvid
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/choice/services/choice.ts

@@ -18,7 +18,7 @@ import { CoreWSError } from '@classes/errors/wserror';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesCommonWSOptions } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -90,7 +90,7 @@ export class AddonModChoiceProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -407,7 +407,7 @@ export class AddonModChoiceProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/mod/data/services/data-sync.ts

@@ -21,7 +21,7 @@ import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
 import { CoreRatingSync } from '@features/rating/services/rating-sync';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFileEntry } from '@services/file-helper';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSync } from '@services/sync';
@@ -184,7 +184,7 @@ export class AddonModDataSyncProvider extends CoreCourseActivitySyncBaseProvider
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/data/services/data.ts

@@ -19,7 +19,7 @@ import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreRatingInfo } from '@features/rating/services/rating';
 import { CoreTagItem } from '@features/tag/services/tag';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFileEntry } from '@services/file-helper';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
@@ -136,7 +136,7 @@ export class AddonModDataProvider {
         };
 
         // Checks to store offline.
-        if (!CoreApp.isOnline() || forceOffline) {
+        if (!CoreNetwork.isOnline() || forceOffline) {
             const notifications = this.checkFields(fields, contents);
             if (notifications.length > 0) {
                 return { fieldnotifications: notifications };
@@ -147,7 +147,7 @@ export class AddonModDataProvider {
         await this.deleteEntryOfflineAction(dataId, entryId, AddonModDataAction.ADD, siteId);
 
         // App is offline, store the action.
-        if (!CoreApp.isOnline() || forceOffline) {
+        if (!CoreNetwork.isOnline() || forceOffline) {
             return storeOffline();
         }
 
@@ -234,7 +234,7 @@ export class AddonModDataProvider {
             return;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -333,7 +333,7 @@ export class AddonModDataProvider {
             return;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -436,7 +436,7 @@ export class AddonModDataProvider {
             };
         };
 
-        if (!CoreApp.isOnline() || forceOffline) {
+        if (!CoreNetwork.isOnline() || forceOffline) {
             const notifications = this.checkFields(fields, contents);
             if (notifications.length > 0) {
                 return { fieldnotifications: notifications };
@@ -446,7 +446,7 @@ export class AddonModDataProvider {
         // Remove unnecessary not synced actions.
         await this.deleteEntryOfflineAction(dataId, entryId, AddonModDataAction.EDIT, siteId);
 
-        if (!CoreApp.isOnline() || forceOffline) {
+        if (!CoreNetwork.isOnline() || forceOffline) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/mod/feedback/pages/form/form.ts

@@ -19,7 +19,7 @@ import { CoreCourse, CoreCourseCommonModWSOptions } from '@features/course/servi
 import { CoreCourseModuleData } from '@features/course/services/course-helper';
 import { CanLeave } from '@guards/can-leave';
 import { IonContent } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
@@ -83,7 +83,7 @@ export class AddonModFeedbackFormPage implements OnInit, OnDestroy, CanLeave {
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.offline = !CoreApp.isOnline();
+                this.offline = !CoreNetwork.isOnline();
             });
         });
     }
@@ -160,7 +160,7 @@ export class AddonModFeedbackFormPage implements OnInit, OnDestroy, CanLeave {
         try {
             this.module = await CoreCourse.getModule(this.cmId, this.courseId, undefined, true, false, this.currentSite.getId());
 
-            this.offline = !CoreApp.isOnline();
+            this.offline = !CoreNetwork.isOnline();
             const options = {
                 cmId: this.cmId,
                 readingStrategy: this.offline ? CoreSitesReadingStrategy.PREFER_CACHE : CoreSitesReadingStrategy.ONLY_NETWORK,

src/addons/mod/feedback/services/feedback-sync.ts

@@ -18,7 +18,7 @@ import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
 import { CoreCourse, CoreCourseAnyModuleData } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSync } from '@services/sync';
 import { CoreUtils } from '@services/utils/utils';
@@ -174,7 +174,7 @@ export class AddonModFeedbackSyncProvider extends CoreCourseActivitySyncBaseProv
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/feedback/services/feedback.ts

@@ -17,7 +17,7 @@ import { CoreError } from '@classes/errors/error';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -1187,7 +1187,7 @@ export class AddonModFeedbackProvider {
             return response;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/mod/forum/components/post-options-menu/post-options-menu.ts

@@ -14,7 +14,7 @@
 
 import { Component, Input, OnInit } from '@angular/core';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { AddonModForum, AddonModForumPost } from '@addons/mod/forum/services/forum';
 import { PopoverController } from '@singletons';
 import { CoreDomUtils } from '@services/utils/dom';
@@ -101,7 +101,7 @@ export class AddonModForumPostOptionsMenuComponent implements OnInit {
      */
     deletePost(): void {
         if (!this.offlinePost) {
-            if (!CoreApp.isOnline()) {
+            if (!CoreNetwork.isOnline()) {
                 CoreDomUtils.showErrorModal(new CoreNetworkError());
 
                 return;
@@ -117,7 +117,7 @@ export class AddonModForumPostOptionsMenuComponent implements OnInit {
      * Edit a post.
      */
     editPost(): void {
-        if (!this.offlinePost && !CoreApp.isOnline()) {
+        if (!this.offlinePost && !CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal(new CoreNetworkError());
 
             return;

src/addons/mod/forum/pages/discussion/discussion.page.ts

@@ -24,7 +24,7 @@ import { CoreRatingSyncProvider } from '@features/rating/services/rating-sync';
 import { CoreUser } from '@features/user/services/user';
 import { CanLeave } from '@guards/can-leave';
 import { IonContent, IonRefresher } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNavigator } from '@services/navigator';
 import { CoreScreen } from '@services/screen';
 import { CoreSites } from '@services/sites';
@@ -164,12 +164,12 @@ export class AddonModForumDiscussionPage implements OnInit, AfterViewInit, OnDes
             return;
         }
 
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
         this.externalUrl = CoreSites.getCurrentSite()?.createSiteUrl('/mod/forum/discuss.php', { d: this.discussionId.toString() });
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
 

src/addons/mod/forum/services/forum-helper.ts

@@ -16,7 +16,7 @@ import { Injectable } from '@angular/core';
 import { FileEntry } from '@ionic-native/file/ngx';
 import { CoreFileUploader, CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
 import { CoreUser } from '@features/user/services/user';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFile } from '@services/file';
 import { CoreSites } from '@services/sites';
 import { CoreTimeUtils } from '@services/utils/time';
@@ -124,7 +124,7 @@ export class AddonModForumHelperProvider {
             await AddonModForumOffline.deleteNewDiscussion(forumId, timeCreated, siteId);
         }
 
-        if (saveOffline || !CoreApp.isOnline()) {
+        if (saveOffline || !CoreNetwork.isOnline()) {
             await storeOffline();
 
             return null;

src/addons/mod/forum/services/forum-sync.ts

@@ -18,7 +18,7 @@ import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/act
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreFileUploader } from '@features/fileuploader/services/fileuploader';
 import { CoreRatingSync } from '@features/rating/services/rating-sync';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreGroups } from '@services/groups';
 import { CoreSites } from '@services/sites';
 import { CoreSync } from '@services/sync';
@@ -230,7 +230,7 @@ export class AddonModForumSyncProvider extends CoreCourseActivitySyncBaseProvide
                 [] as AddonModForumOfflineDiscussion[],
             );
 
-            if (discussions.length !== 0 && !CoreApp.isOnline()) {
+            if (discussions.length !== 0 && !CoreNetwork.isOnline()) {
                 throw new Error('cannot sync in offline');
             }
 
@@ -369,7 +369,7 @@ export class AddonModForumSyncProvider extends CoreCourseActivitySyncBaseProvide
         if (!replies.length) {
             // Nothing to sync.
             return { warnings: [], updated: false };
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             return Promise.reject(null);
         }
@@ -458,7 +458,7 @@ export class AddonModForumSyncProvider extends CoreCourseActivitySyncBaseProvide
                 [] as AddonModForumOfflineReply[],
             );
 
-            if (replies.length !== 0 && !CoreApp.isOnline()) {
+            if (replies.length !== 0 && !CoreNetwork.isOnline()) {
                 throw new Error('Cannot sync in offline');
             }
 

src/addons/mod/forum/services/forum.ts

@@ -20,7 +20,7 @@ import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreRatingInfo } from '@features/rating/services/rating';
 import { CoreTagItem } from '@features/tag/services/tag';
 import { CoreUser } from '@features/user/services/user';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFileEntry } from '@services/file-helper';
 import { CoreGroups } from '@services/groups';
 import { CoreSitesCommonWSOptions, CoreSites, CoreSitesReadingStrategy } from '@services/sites';
@@ -756,7 +756,7 @@ export class AddonModForumProvider {
         } catch (error) {
             // Try to get the data from cache stored with the old WS method.
             if (
-                CoreApp.isOnline() ||
+                CoreNetwork.isOnline() ||
                 method !== 'mod_forum_get_forum_discussions' ||
                 options.sortOrder !== AddonModForumProvider.SORTORDER_LASTPOST_DESC
             ) {
@@ -1065,7 +1065,7 @@ export class AddonModForumProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline() && allowOffline) {
+        if (!CoreNetwork.isOnline() && allowOffline) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/mod/glossary/services/glossary-sync.ts

@@ -19,7 +19,7 @@ import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreRatingSync } from '@features/rating/services/rating-sync';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreSync } from '@services/sync';
 import { CoreUtils } from '@services/utils/utils';
@@ -189,7 +189,7 @@ export class AddonModGlossarySyncProvider extends CoreCourseActivitySyncBaseProv
             await CoreUtils.ignoreErrors(this.setSyncTime(syncId, siteId));
 
             return result;
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/glossary/services/glossary.ts

@@ -20,7 +20,7 @@ import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
 import { CoreRatingInfo } from '@features/rating/services/rating';
 import { CoreTagItem } from '@features/tag/services/tag';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreWSExternalFile, CoreWSExternalWarning } from '@services/ws';
@@ -898,7 +898,7 @@ export class AddonModGlossaryProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline() && otherOptions.allowOffline) {
+        if (!CoreNetwork.isOnline() && otherOptions.allowOffline) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/mod/h5pactivity/components/index/index.ts

@@ -24,7 +24,7 @@ import { CoreH5PHelper } from '@features/h5p/classes/helper';
 import { CoreH5P } from '@features/h5p/services/h5p';
 import { CoreXAPIOffline } from '@features/xapi/services/offline';
 import { CoreXAPI } from '@features/xapi/services/xapi';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites } from '@services/sites';
@@ -149,7 +149,7 @@ export class AddonModH5PActivityIndexComponent extends CoreCourseModuleMainActiv
             // Cannot download the file or already downloaded, play the package directly.
             this.play();
 
-        } else if ((this.state == CoreConstants.NOT_DOWNLOADED || this.state == CoreConstants.OUTDATED) && CoreApp.isOnline() &&
+        } else if ((this.state == CoreConstants.NOT_DOWNLOADED || this.state == CoreConstants.OUTDATED) && CoreNetwork.isOnline() &&
                     this.deployedFile?.filesize && CoreFilepool.shouldDownload(this.deployedFile.filesize)) {
             // Package is small, download it automatically. Don't block this function for this.
             this.downloadAutomatically();
@@ -280,7 +280,7 @@ export class AddonModH5PActivityIndexComponent extends CoreCourseModuleMainActiv
             return;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.networkerrormsg', true);
 
             return;

src/addons/mod/h5pactivity/services/h5pactivity-sync.ts

@@ -19,7 +19,7 @@ import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/act
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreXAPIOffline } from '@features/xapi/services/offline';
 import { CoreXAPI } from '@features/xapi/services/xapi';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { makeSingleton } from '@singletons';
@@ -103,7 +103,7 @@ export class AddonModH5PActivitySyncProvider extends CoreCourseActivitySyncBaseP
     syncActivity(contextId: number, siteId?: string): Promise<AddonModH5PActivitySyncResult> {
         siteId = siteId || CoreSites.getCurrentSiteId();
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/imscp/pages/view/view.ts

@@ -21,7 +21,7 @@ import { CoreCourse } from '@features/course/services/course';
 import { CoreCourseModuleData } from '@features/course/services/course-helper';
 import { CoreCourseModulePrefetchDelegate } from '@features/course/services/module-prefetch-delegate';
 import { IonRefresher } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNavigator } from '@services/navigator';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
@@ -189,7 +189,7 @@ export class AddonModImscpViewPage implements OnInit {
 
         if (!module.contents?.length || (refresh && !contentsAlreadyLoaded)) {
             // Try to load the contents.
-            const ignoreCache = refresh && CoreApp.isOnline();
+            const ignoreCache = refresh && CoreNetwork.isOnline();
 
             try {
                 await CoreCourse.loadModuleContents(module, undefined, undefined, false, ignoreCache);

src/addons/mod/imscp/services/imscp.ts

@@ -18,7 +18,7 @@ import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourse, CoreCourseModuleContentFile } from '@features/course/services/course';
 import { CoreCourseModuleData } from '@features/course/services/course-helper';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSitesCommonWSOptions, CoreSites } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
@@ -181,7 +181,7 @@ export class AddonModImscpProvider {
             return CoreText.concatenatePaths(dirPath, itemHref);
         } catch (error) {
             // Error getting directory, there was an error downloading or we're in browser. Return online URL if connected.
-            if (CoreApp.isOnline()) {
+            if (CoreNetwork.isOnline()) {
                 const contents = await CoreCourse.getModuleContents(module);
 
                 const indexUrl = this.getFileUrlFromContents(contents, itemHref);

src/addons/mod/lesson/pages/player/player.page.ts

@@ -18,7 +18,7 @@ import { IonContent } from '@ionic/angular';
 
 import { CoreError } from '@classes/errors/error';
 import { CanLeave } from '@guards/can-leave';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSync } from '@services/sync';
@@ -280,7 +280,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
             // If lesson has offline data already, use offline mode.
             this.offline = await AddonModLessonOffline.hasOfflineData(this.lesson.id);
 
-            if (!this.offline && !CoreApp.isOnline() && AddonModLesson.isLessonOffline(this.lesson) && !this.review) {
+            if (!this.offline && !CoreNetwork.isOnline() && AddonModLesson.isLessonOffline(this.lesson) && !this.review) {
                 // Lesson doesn't have offline data, but it allows offline and the device is offline. Use offline mode.
                 this.offline = true;
             }
@@ -375,7 +375,7 @@ export class AddonModLessonPlayerPage implements OnInit, OnDestroy, CanLeave {
     protected async finishRetake(outOfTime?: boolean): Promise<void> {
         this.messages = [];
 
-        if (this.offline && CoreApp.isOnline()) {
+        if (this.offline && CoreNetwork.isOnline()) {
             // Offline mode but the app is online. Try to sync the data.
             const result = await CoreUtils.ignoreErrors(
                 AddonModLessonSync.syncLesson(this.lesson!.id, true, true),

src/addons/mod/lesson/services/lesson-sync.ts

@@ -19,7 +19,7 @@ import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
 import { CoreCourse } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSync } from '@services/sync';
 import { CoreTimeUtils } from '@services/utils/time';
@@ -275,7 +275,7 @@ export class AddonModLessonSyncProvider extends CoreCourseActivitySyncBaseProvid
 
         if (!attempts.length) {
             return;
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }
@@ -420,7 +420,7 @@ export class AddonModLessonSyncProvider extends CoreCourseActivitySyncBaseProvid
             await AddonModLessonOffline.deleteRetake(lessonId, siteId);
 
             return;
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/quiz/services/quiz-sync.ts

@@ -21,7 +21,7 @@ import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreCourseModulePrefetchDelegate } from '@features/course/services/module-prefetch-delegate';
 import { CoreQuestion, CoreQuestionQuestionParsed } from '@features/question/services/question';
 import { CoreQuestionDelegate } from '@features/question/services/question-delegate';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreSync } from '@services/sync';
 import { CoreUtils } from '@services/utils/utils';
@@ -311,7 +311,7 @@ export class AddonModQuizSyncProvider extends CoreCourseActivitySyncBaseProvider
             return this.finishSync(siteId, quiz, courseId, warnings);
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreError(Translate.instant('core.cannotconnect'));
         }

src/addons/mod/resource/components/index/index.ts

@@ -20,6 +20,7 @@ import { CoreCourseContentsPage } from '@features/course/pages/contents/contents
 import { CoreCourse } from '@features/course/services/course';
 import { CoreCourseModulePrefetchDelegate } from '@features/course/services/module-prefetch-delegate';
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFileHelper } from '@services/file-helper';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
@@ -79,13 +80,13 @@ export class AddonModResourceIndexComponent extends CoreCourseModuleMainResource
         super.ngOnInit();
 
         this.isIOS = CoreApp.isIOS();
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
 
         // Refresh online status when changes.
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
 

src/addons/mod/resource/services/resource-helper.ts

@@ -17,7 +17,7 @@ import { Injectable } from '@angular/core';
 import { CoreError } from '@classes/errors/error';
 import { CoreCourse, CoreCourseAnyModuleData } from '@features/course/services/course';
 import { CoreCourseHelper, CoreCourseModuleData } from '@features/course/services/course-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFile } from '@services/file';
 import { CoreFileHelper } from '@services/file-helper';
 import { CoreFilepool } from '@services/filepool';
@@ -80,7 +80,7 @@ export class AddonModResourceHelperProvider {
             return CoreText.concatenatePaths(dirPath, mainFilePath);
         } catch (e) {
             // Error getting directory, there was an error downloading or we're in browser. Return online URL.
-            if (CoreApp.isOnline() && mainFile.fileurl) {
+            if (CoreNetwork.isOnline() && mainFile.fileurl) {
                 // This URL is going to be injected in an iframe, we need this to make it work.
                 return CoreSites.getRequiredCurrentSite().checkAndFixPluginfileURL(mainFile.fileurl);
             }

src/addons/mod/survey/services/survey-sync.ts

@@ -17,7 +17,7 @@ import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
 import { CoreCourse } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { makeSingleton } from '@singletons';
@@ -168,7 +168,7 @@ export class AddonModSurveySyncProvider extends CoreCourseActivitySyncBaseProvid
         }
 
         if (answersNumber > 0 && data) {
-            if (!CoreApp.isOnline()) {
+            if (!CoreNetwork.isOnline()) {
                 // Cannot sync in offline.
                 throw new CoreNetworkError();
             }

src/addons/mod/survey/services/survey.ts

@@ -17,7 +17,7 @@ import { CoreError } from '@classes/errors/error';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites, CoreSitesCommonWSOptions } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -257,7 +257,7 @@ export class AddonModSurveyProvider {
 
         siteId = siteId || CoreSites.getCurrentSiteId();
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the message.
             return storeOffline();
         }

src/addons/mod/wiki/components/index/index.ts

@@ -21,7 +21,7 @@ import { CoreCourse } from '@features/course/services/course';
 import { CoreTag, CoreTagItem } from '@features/tag/services/tag';
 import { CoreUser } from '@features/user/services/user';
 import { IonContent } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreGroup, CoreGroups } from '@services/groups';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites } from '@services/sites';
@@ -116,13 +116,13 @@ export class AddonModWikiIndexComponent extends CoreCourseModuleMainActivityComp
     ) {
         super('AddonModLessonIndexComponent', content, courseContentsPage);
 
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
 
         // Refresh online status when changes.
         this.onlineSubscription = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
     }

src/addons/mod/wiki/services/wiki-sync.ts

@@ -16,7 +16,7 @@ import { Injectable } from '@angular/core';
 import { CoreSyncBaseProvider, CoreSyncBlockedError } from '@classes/base-sync';
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreGroups } from '@services/groups';
 import { CoreSites } from '@services/sites';
 import { CoreSync } from '@services/sync';
@@ -224,7 +224,7 @@ export class AddonModWikiSyncProvider extends CoreSyncBaseProvider<AddonModWikiS
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/wiki/services/wiki.ts

@@ -18,7 +18,7 @@ import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreTagItem } from '@features/tag/services/tag';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -706,7 +706,7 @@ export class AddonModWikiProvider {
             return -1;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/mod/workshop/services/workshop-sync.ts

@@ -17,7 +17,7 @@ import { CoreSyncBaseProvider, CoreSyncBlockedError } from '@classes/base-sync';
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreFileUploaderStoreFilesResult } from '@features/fileuploader/services/fileuploader';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFileEntry } from '@services/file-helper';
 import { CoreSites } from '@services/sites';
 import { CoreSync } from '@services/sync';
@@ -195,7 +195,7 @@ export class AddonModWorkshopSyncProvider extends CoreSyncBaseProvider<AddonModW
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/mod/workshop/services/workshop.ts

@@ -18,7 +18,7 @@ import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CoreCourseCommonModWSOptions } from '@features/course/services/course';
 import { CoreCourseLogHelper } from '@features/course/services/log-helper';
 import { CoreGradesMenuItem } from '@features/grades/services/grades-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesCommonWSOptions, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreTextFormat, defaultTextFormat } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
@@ -729,7 +729,7 @@ export class AddonModWorkshopProvider {
         // If we are editing an offline submission, discard previous first.
         await AddonModWorkshopOffline.deleteSubmissionAction(workshopId, AddonModWorkshopAction.ADD, siteId);
 
-        if (!CoreApp.isOnline() && allowOffline) {
+        if (!CoreNetwork.isOnline() && allowOffline) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -825,7 +825,7 @@ export class AddonModWorkshopProvider {
         // If we are editing an offline discussion, discard previous first.
         await AddonModWorkshopOffline.deleteSubmissionAction(workshopId, AddonModWorkshopAction.UPDATE, siteId);
 
-        if (!CoreApp.isOnline() && allowOffline) {
+        if (!CoreNetwork.isOnline() && allowOffline) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -904,7 +904,7 @@ export class AddonModWorkshopProvider {
         // If we are editing an offline discussion, discard previous first.
         await AddonModWorkshopOffline.deleteSubmissionAction(workshopId, AddonModWorkshopAction.DELETE, siteId);
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -1173,7 +1173,7 @@ export class AddonModWorkshopProvider {
 
         // If we are editing an offline discussion, discard previous first.
         await AddonModWorkshopOffline.deleteAssessment(workshopId, assessmentId, siteId);
-        if (!CoreApp.isOnline() && allowOffline) {
+        if (!CoreNetwork.isOnline() && allowOffline) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -1251,7 +1251,7 @@ export class AddonModWorkshopProvider {
 
         // If we are editing an offline discussion, discard previous first.
         await AddonModWorkshopOffline.deleteEvaluateSubmission(workshopId, submissionId, siteId);
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }
@@ -1342,7 +1342,7 @@ export class AddonModWorkshopProvider {
 
         // If we are editing an offline discussion, discard previous first.
         await AddonModWorkshopOffline.deleteEvaluateAssessment(workshopId, assessmentId, siteId);
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }

src/addons/notes/services/notes-sync.ts

@@ -16,7 +16,7 @@ import { Injectable } from '@angular/core';
 import { CoreSyncBaseProvider } from '@classes/base-sync';
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCourses } from '@features/courses/services/courses';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { Translate, makeSingleton } from '@singletons';
@@ -148,7 +148,7 @@ export class AddonNotesSyncProvider extends CoreSyncBaseProvider<AddonNotesSyncR
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/addons/notes/services/notes.ts

@@ -17,7 +17,7 @@ import { CoreWSError } from '@classes/errors/wserror';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
 import { CorePushNotifications } from '@features/pushnotifications/services/pushnotifications';
 import { CoreUser } from '@features/user/services/user';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreWSExternalWarning } from '@services/ws';
@@ -58,7 +58,7 @@ export class AddonNotesProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the note.
             return storeOffline();
         }
@@ -161,7 +161,7 @@ export class AddonNotesProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the note.
             return storeOffline();
         }

src/addons/privatefiles/pages/index/index.ts

@@ -16,7 +16,7 @@ import { Component, OnDestroy, OnInit } from '@angular/core';
 import { IonRefresher } from '@ionic/angular';
 import { Md5 } from 'ts-md5/dist/md5';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
@@ -154,7 +154,7 @@ export class AddonPrivateFilesIndexPage implements OnInit, OnDestroy {
      * Upload a new file.
      */
     async uploadFile(): Promise<void> {
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.fileuploader.errormustbeonlinetoupload', true);
 
             return;

src/app/app.component.ts

@@ -32,6 +32,7 @@ import { CoreConstants } from '@/core/constants';
 import { CoreSitePlugins } from '@features/siteplugins/services/siteplugins';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreDom } from '@singletons/dom';
+import { CoreNetwork } from '@services/network';
 
 const MOODLE_VERSION_PREFIX = 'version-';
 const MOODLEAPP_VERSION_PREFIX = 'moodleapp-';
@@ -310,7 +311,7 @@ export class AppComponent implements OnInit, AfterViewInit {
         Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                const isOnline = CoreApp.isOnline();
+                const isOnline = CoreNetwork.isOnline();
                 const hadOfflineMessage = document.body.classList.contains('core-offline');
 
                 document.body.classList.toggle('core-offline', !isOnline);
@@ -327,7 +328,7 @@ export class AppComponent implements OnInit, AfterViewInit {
             });
         });
 
-        const isOnline = CoreApp.isOnline();
+        const isOnline = CoreNetwork.isOnline();
         document.body.classList.toggle('core-offline', !isOnline);
 
         // Set StatusBar properties.

src/core/classes/base-sync.ts

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreSync } from '@services/sync';
 import { CoreTextUtils } from '@services/utils/text';
@@ -272,7 +272,7 @@ export class CoreSyncBaseProvider<T = void> {
      * @return Resolved with siteIds selected. Rejected if offline.
      */
     async syncOnSites(syncFunctionLog: string, syncFunction: (siteId: string) => void, siteId?: string): Promise<void> {
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             const message = `Cannot sync '${syncFunctionLog}' because device is offline.`;
             this.logger.debug(message);
 

src/core/classes/site.ts

@@ -16,6 +16,7 @@ import { InAppBrowserObject, InAppBrowserOptions } from '@ionic-native/in-app-br
 import { Md5 } from 'ts-md5/dist/md5';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreDB } from '@services/db';
 import { CoreEvents } from '@singletons/events';
 import { CoreFile } from '@services/file';
@@ -537,7 +538,7 @@ export class CoreSite {
         const initialToken = this.token || '';
         data = data || {};
 
-        if (!CoreApp.isOnline() && this.offlineDisabled) {
+        if (!CoreNetwork.isOnline() && this.offlineDisabled) {
             throw new CoreError(Translate.instant('core.errorofflinedisabled'));
         }
 
@@ -995,7 +996,7 @@ export class CoreSite {
         const now = Date.now();
         let expirationTime: number | undefined;
 
-        preSets.omitExpires = preSets.omitExpires || preSets.forceOffline || !CoreApp.isOnline();
+        preSets.omitExpires = preSets.omitExpires || preSets.forceOffline || !CoreNetwork.isOnline();
 
         if (!preSets.omitExpires) {
             expirationTime = entry.expirationTime + this.getExpirationDelay(preSets.updateFrequency);
@@ -1987,7 +1988,7 @@ export class CoreSite {
         updateFrequency = updateFrequency || CoreSite.FREQUENCY_USUALLY;
         let expirationDelay = this.UPDATE_FREQUENCIES[updateFrequency] || this.UPDATE_FREQUENCIES[CoreSite.FREQUENCY_USUALLY];
 
-        if (CoreApp.isNetworkAccessLimited()) {
+        if (CoreNetwork.isNetworkAccessLimited()) {
             // Not WiFi, increase the expiration delay a 50% to decrease the data usage in this case.
             expirationDelay *= 1.5;
         }
@@ -2011,7 +2012,7 @@ export class CoreSite {
         } else if (this.tokenPluginFileWorksPromise) {
             // Check ongoing, use the same promise.
             return this.tokenPluginFileWorksPromise;
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             // Not online, cannot check it. Assume it's working, but don't save the result.
             return Promise.resolve(true);
         }

src/core/components/attachments/attachments.ts

@@ -19,7 +19,7 @@ import { CoreFileUploader, CoreFileUploaderTypeList } from '@features/fileupload
 import { CoreSites } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
 import { Translate } from '@singletons';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreFileUploaderHelper } from '@features/fileuploader/services/fileuploader-helper';
 import { CoreFileEntry } from '@services/file-helper';
@@ -132,7 +132,7 @@ export class CoreAttachmentsComponent implements OnInit {
     async add(): Promise<void> {
         const allowOffline = !!this.allowOffline && this.allowOffline !== 'false';
 
-        if (!allowOffline && !CoreApp.isOnline()) {
+        if (!allowOffline && !CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.fileuploader.errormustbeonlinetoupload', true);
 
             return;

src/core/components/file/file.ts

@@ -14,6 +14,7 @@
 
 import { Component, Input, Output, OnInit, OnDestroy, EventEmitter } from '@angular/core';
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreFileHelper } from '@services/file-helper';
 import { CorePluginFileDelegate } from '@services/plugin-file-delegate';
@@ -197,7 +198,7 @@ export class CoreFileComponent implements OnInit, OnDestroy {
             return;
         }
 
-        if (!CoreApp.isOnline() && (!openAfterDownload || (openAfterDownload &&
+        if (!CoreNetwork.isOnline() && (!openAfterDownload || (openAfterDownload &&
                 !CoreFileHelper.isStateDownloaded(this.state)))) {
             CoreDomUtils.showErrorModal('core.networkerrormsg', true);
 

src/core/components/user-avatar/user-avatar.ts

@@ -14,12 +14,12 @@
 
 import { Component, Input, OnInit, OnChanges, OnDestroy, SimpleChange } from '@angular/core';
 
-import { CoreApp } from '@services/app';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { CoreUserProvider, CoreUserBasicData } from '@features/user/services/user';
 import { CoreNavigator } from '@services/navigator';
+import { CoreNetwork } from '@services/network';
 
 /**
  * Component to display a "user avatar".
@@ -119,7 +119,7 @@ export class CoreUserAvatarComponent implements OnInit, OnChanges, OnDestroy {
             return this.user.lastaccess * 1000 >= time;
         } else {
             // You have to have Internet access first.
-            return !!this.user.isonline && CoreApp.isOnline();
+            return !!this.user.isonline && CoreNetwork.isOnline();
         }
     }
 

src/core/directives/external-content.ts

@@ -34,6 +34,7 @@ import { CoreError } from '@classes/errors/error';
 import { CoreSite } from '@classes/site';
 import { CoreEventObserver, CoreEvents } from '@singletons/events';
 import { CoreConstants } from '../constants';
+import { CoreNetwork } from '@services/network';
 
 /**
  * Directive to handle external content.
@@ -427,7 +428,7 @@ export class CoreExternalContentDirective implements AfterViewInit, OnChanges, O
             clickableEl.addEventListener(eventName, () => {
                 // User played media or opened a downloadable link.
                 // Download the file if in wifi and it hasn't been downloaded already (for big files).
-                if (state !== CoreConstants.DOWNLOADED && state !== CoreConstants.DOWNLOADING && CoreApp.isWifi()) {
+                if (state !== CoreConstants.DOWNLOADED && state !== CoreConstants.DOWNLOADING && CoreNetwork.isWifi()) {
                     // We aren't using the result, so it doesn't matter which of the 2 functions we call.
                     CoreFilepool.getUrlByUrl(site.getId(), url, this.component, this.componentId, 0, false);
                 }

src/core/features/comments/pages/viewer/viewer.page.ts

@@ -40,6 +40,7 @@ import { CoreCommentsOffline } from '@features/comments/services/comments-offlin
 import { CoreCommentsDBRecord } from '@features/comments/services/database/comments';
 import { CoreTimeUtils } from '@services/utils/time';
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import moment from 'moment';
 import { Subscription } from 'rxjs';
 
@@ -108,11 +109,11 @@ export class CoreCommentsViewerPage implements OnInit, OnDestroy {
             }
         }, CoreSites.getCurrentSiteId());
 
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
     }

src/core/features/comments/services/comments-sync.ts

@@ -19,7 +19,7 @@ import { CoreEvents } from '@singletons/events';
 import { makeSingleton, Translate } from '@singletons';
 import { CoreCommentsOffline } from './comments-offline';
 import { CoreSites } from '@services/sites';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreCommentsDBRecord, CoreCommentsDeletedDBRecord } from './database/comments';
@@ -204,7 +204,7 @@ export class CoreCommentsSyncProvider extends CoreSyncBaseProvider<CoreCommentsS
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/core/features/comments/services/comments.ts

@@ -15,7 +15,7 @@
 import { Injectable } from '@angular/core';
 import { CoreError } from '@classes/errors/error';
 import { CoreSite, CoreSiteWSPreSets } from '@classes/site';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreWSExternalWarning } from '@services/ws';
@@ -95,7 +95,7 @@ export class CoreCommentsProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the comment.
             return storeOffline();
         }
@@ -243,7 +243,7 @@ export class CoreCommentsProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the comment.
             return storeOffline();
         }

src/core/features/course/classes/activity-prefetch-handler.ts

@@ -15,7 +15,7 @@
 import { CoreConstants } from '@/core/constants';
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreFilterHelper } from '@features/filter/services/filter-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
 import { CoreCourse, CoreCourseAnyModuleData } from '../services/course';
@@ -84,7 +84,7 @@ export class CoreCourseActivityPrefetchHandlerBase extends CoreCourseModulePrefe
     ): Promise<void> {
         siteId = siteId || CoreSites.getCurrentSiteId();
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot prefetch in offline.
             throw new CoreNetworkError();
         }

src/core/features/course/classes/main-resource-component.ts

@@ -16,7 +16,7 @@ import { CoreConstants } from '@/core/constants';
 import { OnInit, OnDestroy, Input, Output, EventEmitter, Component, Optional, Inject } from '@angular/core';
 import { CoreAnyError } from '@classes/errors/error';
 import { IonRefresher } from '@ionic/angular';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 
@@ -354,7 +354,7 @@ export class CoreCourseModuleMainResourceComponent implements OnInit, OnDestroy,
 
         if (!this.module.contents?.length || (refresh && !contentsAlreadyLoaded)) {
             // Try to load the contents.
-            const ignoreCache = refresh && CoreApp.isOnline();
+            const ignoreCache = refresh && CoreNetwork.isOnline();
 
             try {
                 await CoreCourse.loadModuleContents(this.module, undefined, undefined, false, ignoreCache);

src/core/features/course/classes/resource-prefetch-handler.ts

@@ -14,7 +14,7 @@
 
 import { CoreNetworkError } from '@classes/errors/network-error';
 import { CoreFilterHelper } from '@features/filter/services/filter-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
 import { CoreWSFile } from '@services/ws';
@@ -57,7 +57,7 @@ export class CoreCourseResourcePrefetchHandlerBase extends CoreCourseModulePrefe
      * @return Promise resolved when all content is downloaded.
      */
     async downloadOrPrefetch(module: CoreCourseModuleData, courseId: number, prefetch?: boolean, dirPath?: string): Promise<void> {
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot download in offline.
             throw new CoreNetworkError();
         }

src/core/features/course/components/module-summary/module-summary.ts

@@ -23,7 +23,7 @@ import { CoreCourseModuleDelegate } from '@features/course/services/module-deleg
 import { CoreCourseModulePrefetchDelegate } from '@features/course/services/module-prefetch-delegate';
 import { CoreCourses, CoreEnrolledCourseData } from '@features/courses/services/courses';
 import { CoreGradesFormattedRow, CoreGradesFormattedTableRow, CoreGradesHelper } from '@features/grades/services/grades-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreNavigator } from '@services/navigator';
 import { CoreSites } from '@services/sites';
@@ -79,13 +79,13 @@ export class CoreCourseModuleSummaryComponent implements OnInit, OnDestroy {
 
     constructor() {
         this.siteId = CoreSites.getCurrentSiteId();
-        this.isOnline = CoreApp.isOnline();
+        this.isOnline = CoreNetwork.isOnline();
 
         // Refresh online status when changes.
         this.onlineSubscription = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.isOnline = CoreApp.isOnline();
+                this.isOnline = CoreNetwork.isOnline();
             });
         });
     }

src/core/features/course/services/course-helper.ts

@@ -58,7 +58,7 @@ import {
 } from './module-prefetch-delegate';
 import { CoreFileSizeSum } from '@services/plugin-file-delegate';
 import { CoreFileHelper } from '@services/file-helper';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSite } from '@classes/site';
 import { CoreFile } from '@services/file';
 import { CoreUrlUtils } from '@services/utils/url';
@@ -798,7 +798,7 @@ export class CoreCourseHelperProvider {
         files?: CoreCourseModuleContentFile[],
         options: CoreUtilsOpenFileOptions = {},
     ): Promise<void> {
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Not online, get the offline file. It will fail if not found.
             let path: string | undefined;
             try {
@@ -950,7 +950,7 @@ export class CoreCourseHelperProvider {
     ): Promise<string> {
         siteId = siteId || CoreSites.getCurrentSiteId();
 
-        const isOnline = CoreApp.isOnline();
+        const isOnline = CoreNetwork.isOnline();
         const mainFile = files[0];
         const timemodified = mainFile.timemodified || 0;
 
@@ -969,7 +969,7 @@ export class CoreCourseHelperProvider {
         }
 
         // Start the download if in wifi, but return the URL right away so the file is opened.
-        if (CoreApp.isWifi()) {
+        if (CoreNetwork.isWifi()) {
             this.downloadModule(module, courseId, component, componentId, files, siteId);
         }
 

src/core/features/course/services/course.ts

@@ -15,7 +15,7 @@
 import { Injectable } from '@angular/core';
 import { Params } from '@angular/router';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreEvents } from '@singletons/events';
 import { CoreLogger } from '@singletons/logger';
 import { CoreSitesCommonWSOptions, CoreSites, CoreSitesReadingStrategy } from '@services/sites';
@@ -554,7 +554,7 @@ export class CoreCourseProvider {
                 return sections;
             } catch {
                 // The module might still be cached by a request with different parameters.
-                if (!ignoreCache && !CoreApp.isOnline()) {
+                if (!ignoreCache && !CoreNetwork.isOnline()) {
                     if (includeStealth) {
                         // Older versions didn't include the includestealthmodules option.
                         return doRequest(site, courseId, moduleId, modName, false, true);
@@ -1168,7 +1168,7 @@ export class CoreCourseProvider {
             CoreCourseOffline.markCompletedManually(cmId, completed, courseId, undefined, siteId);
 
         // The offline function requires a courseId and it could be missing because it's a calculated field.
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }

src/core/features/course/services/log-helper.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreTimeUtils } from '@services/utils/time';
@@ -134,7 +134,7 @@ export class CoreCourseLogHelperProvider {
     async log(ws: string, data: Record<string, unknown>, component: string, componentId: number, siteId?: string): Promise<void> {
         const site = await CoreSites.getSite(siteId);
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return this.storeOffline(ws, data, component, componentId, site.getId());
         }

src/core/features/course/services/sync.ts

@@ -17,7 +17,7 @@ import { Injectable } from '@angular/core';
 import { CoreSyncBaseProvider } from '@classes/base-sync';
 
 import { CoreSites } from '@services/sites';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreCourseOffline } from './course-offline';
@@ -167,7 +167,7 @@ export class CoreCourseSyncProvider extends CoreSyncBaseProvider<CoreCourseSyncR
             return result;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/core/features/fileuploader/services/fileuploader-helper.ts

@@ -20,6 +20,7 @@ import { FileEntry, IFile } from '@ionic-native/file/ngx';
 import { MediaFile } from '@ionic-native/media-capture/ngx';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFile, CoreFileProvider, CoreFileProgressEvent } from '@services/file';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreMimetypeUtils } from '@services/utils/mimetype';
@@ -122,7 +123,7 @@ export class CoreFileUploaderHelperProvider {
             return;
         }
 
-        if (!allowOffline && !CoreApp.isOnline()) {
+        if (!allowOffline && !CoreNetwork.isOnline()) {
             throw new CoreError(Translate.instant('core.fileuploader.errormustbeonlinetoupload'));
         }
 
@@ -132,7 +133,7 @@ export class CoreFileUploaderHelperProvider {
 
         if (size < 0) {
             return CoreDomUtils.showConfirm(Translate.instant('core.fileuploader.confirmuploadunknownsize'));
-        } else if (size >= wifiThreshold || (CoreApp.isNetworkAccessLimited() && size >= limitedThreshold)) {
+        } else if (size >= wifiThreshold || (CoreNetwork.isNetworkAccessLimited() && size >= limitedThreshold)) {
             const readableSize = CoreTextUtils.bytesToSize(size, 2);
 
             return CoreDomUtils.showConfirm(
@@ -365,7 +366,7 @@ export class CoreFileUploaderHelperProvider {
                         return false;
                     }
 
-                    if (!allowOffline && !CoreApp.isOnline()) {
+                    if (!allowOffline && !CoreNetwork.isOnline()) {
                         // Not allowed, show error.
                         CoreDomUtils.showErrorModal('core.fileuploader.errormustbeonlinetoupload', true);
 
@@ -796,7 +797,7 @@ export class CoreFileUploaderHelperProvider {
             return this.uploadFile(path, maxSize, checkSize, options, siteId);
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             return errorUploading(Translate.instant('core.fileuploader.errormustbeonlinetoupload'));
         }
 

src/core/features/filter/services/filter-helper.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreFilterDelegate } from './filter-delegate';
 import {
@@ -299,7 +299,7 @@ export class CoreFilterHelperProvider {
 
         const cachedData = this.moduleContextsCache[siteId][courseId][contextLevel];
 
-        if (!CoreApp.isOnline() || Date.now() <= cachedData.time + site.getExpirationDelay(CoreSite.FREQUENCY_RARELY)) {
+        if (!CoreNetwork.isOnline() || Date.now() <= cachedData.time + site.getExpirationDelay(CoreSite.FREQUENCY_RARELY)) {
             // We can use cache, return the filters if found.
             return cachedData.contexts[contextLevel] && cachedData.contexts[contextLevel][instanceId];
         }

src/core/features/filter/services/filter.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreSite } from '@classes/site';
 import { CoreWSExternalWarning } from '@services/ws';
@@ -338,7 +338,7 @@ export class CoreFilterProvider {
 
         // Check if we have the contexts in the memory cache.
         const siteContexts = this.contextsCache[site.getId()];
-        const isOnline = CoreApp.isOnline();
+        const isOnline = CoreNetwork.isOnline();
         const result: CoreFilterClassifiedFilters = {};
         let allFound = true;
 

src/core/features/h5p/components/h5p-player/h5p-player.ts

@@ -14,7 +14,7 @@
 
 import { Component, Input, ElementRef, OnInit, OnDestroy, OnChanges, SimpleChange } from '@angular/core';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
@@ -111,7 +111,7 @@ export class CoreH5PPlayerComponent implements OnInit, OnChanges, OnDestroy {
      * @return Promise resolved when done.
      */
     async download(): Promise<void> {
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.networkerrormsg', true);
 
             return;
@@ -144,7 +144,7 @@ export class CoreH5PPlayerComponent implements OnInit, OnChanges, OnDestroy {
      */
     protected async attemptDownloadInBg(): Promise<void> {
         if (!this.urlParams || !this.src || !this.siteCanDownload || !CoreH5P.canGetTrustedH5PFileInSite() ||
-                !CoreApp.isOnline()) {
+                !CoreNetwork.isOnline()) {
             return;
         }
 

src/core/features/login/pages/credentials/credentials.ts

@@ -18,6 +18,7 @@ import { Subscription } from 'rxjs';
 import { debounceTime } from 'rxjs/operators';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreLoginHelper } from '@features/login/services/login-helper';
@@ -244,7 +245,7 @@ export class CoreLoginCredentialsPage implements OnInit, OnDestroy {
             return;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.networkerrormsg', true);
 
             return;

src/core/features/login/pages/reconnect/reconnect.ts

@@ -16,6 +16,7 @@ import { Component, OnInit, OnDestroy, ViewChild, ElementRef } from '@angular/co
 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites, CoreSitesReadingStrategy } from '@services/sites';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreUtils } from '@services/utils/utils';
@@ -201,7 +202,7 @@ export class CoreLoginReconnectPage implements OnInit, OnDestroy {
             return;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.networkerrormsg', true);
 
             return;

src/core/features/login/pages/site/site.ts

@@ -16,6 +16,7 @@ import { Component, OnInit, ViewChild, ElementRef } from '@angular/core';
 import { FormBuilder, FormGroup, ValidatorFn, AbstractControl, ValidationErrors } from '@angular/forms';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreConfig } from '@services/config';
 import { CoreSites, CoreSiteCheckResponse, CoreLoginSiteInfo, CoreSitesDemoSiteData } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -242,7 +243,7 @@ export class CoreLoginSitePage implements OnInit {
             return;
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             CoreDomUtils.showErrorModal('core.networkerrormsg', true);
 
             return;

src/core/features/rating/services/rating-sync.ts

@@ -16,7 +16,7 @@ import { ContextLevel } from '@/core/constants';
 import { Injectable } from '@angular/core';
 import { CoreSyncBaseProvider } from '@classes/base-sync';
 import { CoreNetworkError } from '@classes/errors/network-error';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreTextUtils } from '@services/utils/text';
 import { CoreUtils } from '@services/utils/utils';
@@ -202,7 +202,7 @@ export class CoreRatingSyncProvider extends CoreSyncBaseProvider<CoreRatingSyncI
             // Nothing to sync.
             return result;
         }
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Cannot sync in offline.
             throw new CoreNetworkError();
         }

src/core/features/rating/services/rating.ts

@@ -16,7 +16,7 @@ import { ContextLevel } from '@/core/constants';
 import { Injectable } from '@angular/core';
 import { CoreSiteWSPreSets, CoreSite } from '@classes/site';
 import { CoreUser } from '@features/user/services/user';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreWSExternalWarning } from '@services/ws';
@@ -114,7 +114,7 @@ export class CoreRatingProvider {
             }, siteId);
         };
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // App is offline, store the action.
             return storeOffline();
         }

src/core/features/settings/pages/deviceinfo/deviceinfo.ts

@@ -27,6 +27,7 @@ import { CoreConfig } from '@services/config';
 import { CoreDomUtils } from '@services/utils/dom';
 import { CoreNavigator } from '@services/navigator';
 import { CorePlatform } from '@services/platform';
+import { CoreNetwork } from '@services/network';
 
 /**
  * Device Info to be shown and copied to clipboard.
@@ -92,8 +93,8 @@ export class CoreSettingsDeviceInfoPage implements OnDestroy {
             versionCode: CoreConstants.CONFIG.versioncode,
             compilationTime: CoreConstants.BUILD.compilationTime || 0,
             lastCommit: CoreConstants.BUILD.lastCommitHash || '',
-            networkStatus: appProvider.isOnline() ? 'online' : 'offline',
+            networkStatus: CoreNetwork.isOnline() ? 'online' : 'offline',
-            wifiConnection: appProvider.isWifi() ? 'yes' : 'no',
+            wifiConnection: CoreNetwork.isWifi() ? 'yes' : 'no',
             localNotifAvailable: CoreLocalNotifications.isAvailable() ? 'yes' : 'no',
             pushId: CorePushNotifications.getPushId(),
             deviceType: '',
@@ -179,7 +180,7 @@ export class CoreSettingsDeviceInfoPage implements OnDestroy {
         this.onlineObserver = Network.onChange().subscribe(() => {
             // Execute the callback in the Angular zone, so change detection doesn't stop working.
             NgZone.run(() => {
-                this.deviceInfo.networkStatus = appProvider.isOnline() ? 'online' : 'offline';
+                this.deviceInfo.networkStatus = CoreNetwork.isOnline() ? 'online' : 'offline';
             });
         });
 

src/core/features/settings/services/settings-helper.ts

@@ -14,6 +14,7 @@
 
 import { Injectable } from '@angular/core';
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreCronDelegate } from '@services/cron';
 import { CoreEvents } from '@singletons/events';
 import { CoreFilepool } from '@services/filepool';
@@ -262,10 +263,10 @@ export class CoreSettingsHelperProvider {
         if (site.isLoggedOut()) {
             // Cannot sync logged out sites.
             throw new CoreError(Translate.instant('core.settings.cannotsyncloggedout'));
-        } else if (hasSyncHandlers && !CoreApp.isOnline()) {
+        } else if (hasSyncHandlers && !CoreNetwork.isOnline()) {
             // We need connection to execute sync.
             throw new CoreError(Translate.instant('core.settings.cannotsyncoffline'));
-        } else if (hasSyncHandlers && syncOnlyOnWifi && CoreApp.isNetworkAccessLimited()) {
+        } else if (hasSyncHandlers && syncOnlyOnWifi && CoreNetwork.isNetworkAccessLimited()) {
             throw new CoreError(Translate.instant('core.settings.cannotsyncwithoutwifi'));
         }
 

src/core/features/user/services/user.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
@@ -401,7 +401,7 @@ export class CoreUserProvider {
 
         const preference = await CoreUtils.ignoreErrors(CoreUserOffline.getPreference(name, siteId));
 
-        if (preference && !CoreApp.isOnline()) {
+        if (preference && !CoreNetwork.isOnline()) {
             // Offline, return stored value.
             return preference.value;
         }
@@ -760,7 +760,7 @@ export class CoreUserProvider {
     async setUserPreference(name: string, value: string, siteId?: string): Promise<void> {
         siteId = siteId || CoreSites.getCurrentSiteId();
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             // Offline, just update the preference.
             return CoreUserOffline.setPreference(name, value);
         }

src/core/features/xapi/services/xapi.ts

@@ -14,7 +14,7 @@
 
 import { Injectable } from '@angular/core';
 
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreSites } from '@services/sites';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreSite } from '@classes/site';
@@ -94,7 +94,7 @@ export class CoreXAPIProvider {
             return false;
         };
 
-        if (!CoreApp.isOnline() || options.offline) {
+        if (!CoreNetwork.isOnline() || options.offline) {
             // App is offline, store the action.
             return storeOffline();
         }

src/core/services/app.ts

@@ -18,7 +18,7 @@ import { CoreDB } from '@services/db';
 import { CoreEvents } from '@singletons/events';
 import { SQLiteDB, SQLiteDBTableSchema } from '@classes/sqlitedb';
 
-import { makeSingleton, Keyboard, Network, StatusBar, Platform, Device } from '@singletons';
+import { makeSingleton, Keyboard, StatusBar, Platform, Device } from '@singletons';
 import { CoreLogger } from '@singletons/logger';
 import { CoreColors } from '@singletons/colors';
 import { DBNAME, SCHEMA_VERSIONS_TABLE_NAME, SCHEMA_VERSIONS_TABLE_SCHEMA, SchemaVersionsDBEntry } from '@services/database/app';
@@ -30,6 +30,7 @@ import { CoreDatabaseTable } from '@classes/database/database-table';
 import { CorePromisedValue } from '@classes/promised-value';
 import { Subscription } from 'rxjs';
 import { CorePlatform } from '@services/platform';
+import { CoreNetwork } from '@services/network';
 
 /**
  * Factory to provide some global functionalities, like access to the global app database.
@@ -53,7 +54,6 @@ export class CoreAppProvider {
     protected isKeyboardShown = false;
     protected keyboardOpening = false;
     protected keyboardClosing = false;
-    protected forceOffline = false;
     protected redirect?: CoreRedirectData;
     protected schemaVersionsTable = asyncInstance<CoreDatabaseTable<SchemaVersionsDBEntry, 'name'>>();
 
@@ -329,54 +329,30 @@ export class CoreAppProvider {
      * Returns whether we are online.
      *
      * @return Whether the app is online.
+     * @deprecated since 4.1.0. Use CoreNetwork instead.
      */
     isOnline(): boolean {
-        if (this.forceOffline) {
+        return CoreNetwork.isOnline();
-            return false;
-        }
-
-        if (!this.isMobile()) {
-            return navigator.onLine;
-        }
-
-        let online = Network.type !== null && Network.type != Network.Connection.NONE &&
-            Network.type != Network.Connection.UNKNOWN;
-
-        // Double check we are not online because we cannot rely 100% in Cordova APIs.
-        if (!online && navigator.onLine) {
-            online = true;
-        }
-
-        return online;
     }
 
     /**
      * Check if device uses a limited connection.
      *
      * @return Whether the device uses a limited connection.
+     * @deprecated since 4.1.0. Use CoreNetwork instead.
      */
     isNetworkAccessLimited(): boolean {
-        if (!this.isMobile()) {
+        return CoreNetwork.isNetworkAccessLimited();
-            return false;
-        }
-
-        const limited = [
-            Network.Connection.CELL_2G,
-            Network.Connection.CELL_3G,
-            Network.Connection.CELL_4G,
-            Network.Connection.CELL,
-        ];
-
-        return limited.indexOf(Network.type) > -1;
     }
 
     /**
      * Check if device uses a wifi connection.
      *
      * @return Whether the device uses a wifi connection.
+     * @deprecated since 4.1.0. Use CoreNetwork instead.
      */
     isWifi(): boolean {
-        return this.isOnline() && !this.isNetworkAccessLimited();
+        return CoreNetwork.isWifi();
     }
 
     /**
@@ -668,9 +644,10 @@ export class CoreAppProvider {
      * Set value of forceOffline flag. If true, the app will think the device is offline.
      *
      * @param value Value to set.
+     * @deprecated since 4.1.0. Use CoreNetwork instead.
      */
     setForceOffline(value: boolean): void {
-        this.forceOffline = !!value;
+        CoreNetwork.setForceOffline(value);
     }
 
     /**

src/core/services/cron.ts

@@ -15,6 +15,7 @@
 import { Injectable } from '@angular/core';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreConfig } from '@services/config';
 import { CoreUtils } from '@services/utils/utils';
 import { CoreConstants } from '@/core/constants';
@@ -89,7 +90,7 @@ export class CoreCronDelegateService {
         const usesNetwork = this.handlerUsesNetwork(name);
         const isSync = !force && this.isHandlerSync(name);
 
-        if (usesNetwork && !CoreApp.isOnline()) {
+        if (usesNetwork && !CoreNetwork.isOnline()) {
             // Offline, stop executing.
             const message = `Cannot execute handler because device is offline: ${name}`;
             this.logger.debug(message);
@@ -102,7 +103,7 @@ export class CoreCronDelegateService {
             // Check network connection.
             const syncOnlyOnWifi = await CoreConfig.get(CoreConstants.SETTINGS_SYNC_ONLY_ON_WIFI, false);
 
-            if (syncOnlyOnWifi && !CoreApp.isWifi()) {
+            if (syncOnlyOnWifi && !CoreNetwork.isWifi()) {
                 // Cannot execute in this network connection, retry soon.
                 const message = `Cannot execute handler because device is using limited connection: ${name}`;
                 this.logger.debug(message);

src/core/services/file-helper.ts

@@ -16,6 +16,7 @@ import { Injectable } from '@angular/core';
 import { FileEntry } from '@ionic-native/file/ngx';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFile } from '@services/file';
 import { CoreFilepool } from '@services/filepool';
 import { CoreSites } from '@services/sites';
@@ -167,8 +168,8 @@ export class CoreFileHelperProvider {
         }
 
         // The file system is available.
-        const isWifi = CoreApp.isWifi();
+        const isWifi = CoreNetwork.isWifi();
-        const isOnline = CoreApp.isOnline();
+        const isOnline = CoreNetwork.isOnline();
 
         if (state == CoreConstants.DOWNLOADED) {
             // File is downloaded, get the local file URL.

src/core/services/filepool.ts

@@ -16,6 +16,7 @@ import { Injectable } from '@angular/core';
 import { Md5 } from 'ts-md5/dist/md5';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreEventPackageStatusChanged, CoreEvents } from '@singletons/events';
 import { CoreFile } from '@services/file';
 import { CorePluginFileDelegate } from '@services/plugin-file-delegate';
@@ -506,7 +507,7 @@ export class CoreFilepoolProvider {
         if (this.sizeCache[fileUrl] !== undefined) {
             size = this.sizeCache[fileUrl];
         } else {
-            if (!CoreApp.isOnline()) {
+            if (!CoreNetwork.isOnline()) {
                 // Cannot check size in offline, stop.
                 throw new CoreError(Translate.instant('core.cannotconnect'));
             }
@@ -515,7 +516,7 @@ export class CoreFilepoolProvider {
         }
 
         // Calculate the size of the file.
-        const isWifi = CoreApp.isWifi();
+        const isWifi = CoreNetwork.isWifi();
         const sizeUnknown = size <= 0;
 
         if (!sizeUnknown) {
@@ -550,7 +551,7 @@ export class CoreFilepoolProvider {
      * is not accessible. Also, this will have no effect if the queue is already running.
      */
     protected checkQueueProcessing(): void {
-        if (!CoreFile.isAvailable() || !CoreApp.isOnline()) {
+        if (!CoreFile.isAvailable() || !CoreNetwork.isOnline()) {
             this.queueState = CoreFilepoolProvider.QUEUE_PAUSED;
 
             return;
@@ -1053,7 +1054,7 @@ export class CoreFilepoolProvider {
 
             if (!fileObject ||
                 this.isFileOutdated(fileObject, options.revision, options.timemodified) &&
-                CoreApp.isOnline() &&
+                CoreNetwork.isOnline() &&
                 !ignoreStale
             ) {
                 throw new CoreError('Needs to be downloaded');
@@ -1597,7 +1598,7 @@ export class CoreFilepoolProvider {
                 throw new CoreError('File not downloaded.');
             }
 
-            if (this.isFileOutdated(entry, revision, timemodified) && CoreApp.isOnline()) {
+            if (this.isFileOutdated(entry, revision, timemodified) && CoreNetwork.isOnline()) {
                 throw new CoreError('File is outdated');
             }
         } catch (error) {
@@ -2497,7 +2498,7 @@ export class CoreFilepoolProvider {
             if (this.queueState !== CoreFilepoolProvider.QUEUE_RUNNING) {
                 // Silently ignore, the queue is on pause.
                 throw CoreFilepoolProvider.ERR_QUEUE_ON_PAUSE;
-            } else if (!CoreFile.isAvailable() || !CoreApp.isOnline()) {
+            } else if (!CoreFile.isAvailable() || !CoreNetwork.isOnline()) {
                 throw CoreFilepoolProvider.ERR_FS_OR_NETWORK_UNAVAILABLE;
             }
 
@@ -2817,7 +2818,7 @@ export class CoreFilepoolProvider {
      */
     shouldDownload(size: number): boolean {
         return size <= CoreFilepoolProvider.DOWNLOAD_THRESHOLD ||
-            (CoreApp.isWifi() && size <= CoreFilepoolProvider.WIFI_DOWNLOAD_THRESHOLD);
+            (CoreNetwork.isWifi() && size <= CoreFilepoolProvider.WIFI_DOWNLOAD_THRESHOLD);
     }
 
     /**

src/core/services/network.ts

@@ -0,0 +1,92 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CorePlatform } from '@services/platform';
+import { makeSingleton, Network } from '@singletons';
+
+/**
+ * Service to manage network information.
+ */
+@Injectable({ providedIn: 'root' })
+export class CoreNetworkService {
+
+    protected forceOffline = false;
+
+    /**
+     * Set value of forceOffline flag. If true, the app will think the device is offline.
+     *
+     * @param value Value to set.
+     */
+    setForceOffline(value: boolean): void {
+        this.forceOffline = !!value;
+    }
+
+    /**
+     * Returns whether we are online.
+     *
+     * @return Whether the app is online.
+     */
+    isOnline(): boolean {
+        if (this.forceOffline) {
+            return false;
+        }
+
+        if (!CorePlatform.isMobile()) {
+            return navigator.onLine;
+        }
+
+        let online = Network.type !== null && Network.type != Network.Connection.NONE &&
+            Network.type != Network.Connection.UNKNOWN;
+
+        // Double check we are not online because we cannot rely 100% in Cordova APIs.
+        if (!online && navigator.onLine) {
+            online = true;
+        }
+
+        return online;
+    }
+
+    /**
+     * Check if device uses a limited connection.
+     *
+     * @return Whether the device uses a limited connection.
+     */
+    isNetworkAccessLimited(): boolean {
+        if (!CorePlatform.isMobile()) {
+            return false;
+        }
+
+        const limited = [
+            Network.Connection.CELL_2G,
+            Network.Connection.CELL_3G,
+            Network.Connection.CELL_4G,
+            Network.Connection.CELL,
+        ];
+
+        return limited.indexOf(Network.type) > -1;
+    }
+
+    /**
+     * Check if device uses a wifi connection.
+     *
+     * @return Whether the device uses a wifi connection.
+     */
+    isWifi(): boolean {
+        return this.isOnline() && !this.isNetworkAccessLimited();
+    }
+
+}
+
+export const CoreNetwork = makeSingleton(CoreNetworkService);

src/core/services/sites.ts

@@ -60,6 +60,7 @@ import { CoreDatabaseConfiguration, CoreDatabaseTable } from '@classes/database/
 import { CoreDatabaseCachingStrategy, CoreDatabaseTableProxy } from '@classes/database/database-table-proxy';
 import { asyncInstance, AsyncInstance } from '../utils/async-instance';
 import { CoreConfig } from './config';
+import { CoreNetwork } from '@services/network';
 
 export const CORE_SITE_SCHEMAS = new InjectionToken<CoreSiteSchema[]>('CORE_SITE_SCHEMAS');
 export const CORE_SITE_CURRENT_SITE_ID_CONFIG = 'current_site_id';
@@ -216,7 +217,7 @@ export class CoreSitesProvider {
 
         if (!CoreUrlUtils.isHttpURL(siteUrl)) {
             throw new CoreError(Translate.instant('core.login.invalidsite'));
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             throw new CoreNetworkError();
         }
 
@@ -429,7 +430,7 @@ export class CoreSitesProvider {
         service?: string,
         retry?: boolean,
     ): Promise<CoreSiteUserTokenResponse> {
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             throw new CoreNetworkError();
         }
 

src/core/services/utils/dom.ts

@@ -54,6 +54,7 @@ import { filter } from 'rxjs/operators';
 import { Subscription } from 'rxjs';
 import { CoreComponentsRegistry } from '@singletons/components-registry';
 import { CoreDom } from '@singletons/dom';
+import { CoreNetwork } from '@services/network';
 
 /*
  * "Utils" service with helper functions for UI, DOM elements and HTML code.
@@ -170,7 +171,7 @@ export class CoreDomUtilsProvider {
         limitedThreshold = limitedThreshold === undefined ? CoreConstants.DOWNLOAD_THRESHOLD : limitedThreshold;
 
         let wifiPrefix = '';
-        if (CoreApp.isNetworkAccessLimited()) {
+        if (CoreNetwork.isNetworkAccessLimited()) {
             wifiPrefix = Translate.instant('core.course.confirmlimiteddownload');
         }
 
@@ -194,7 +195,7 @@ export class CoreDomUtilsProvider {
                 ),
             );
         } else if (alwaysConfirm || size.size >= wifiThreshold ||
-                (CoreApp.isNetworkAccessLimited() && size.size >= limitedThreshold)) {
+                (CoreNetwork.isNetworkAccessLimited() && size.size >= limitedThreshold)) {
             message = message || (size.size === 0 ? 'core.course.confirmdownloadzerosize' : 'core.course.confirmdownload');
 
             return this.showConfirm(

src/core/services/utils/iframe.ts

@@ -17,6 +17,7 @@ import { WKUserScriptWindow } from 'cordova-plugin-wkuserscript';
 import { WKWebViewCookiesWindow } from 'cordova-plugin-wkwebview-cookies';
 
 import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFile } from '@services/file';
 import { CoreFileHelper } from '@services/file-helper';
 import { CoreSites } from '@services/sites';
@@ -65,7 +66,7 @@ export class CoreIframeUtilsProvider {
     checkOnlineFrameInOffline(element: CoreFrameElement, isSubframe?: boolean): boolean {
         const src = 'src' in element ? element.src : element.data;
 
-        if (src && src != 'about:blank' && !CoreUrlUtils.isLocalFileUrl(src) && !CoreApp.isOnline()) {
+        if (src && src != 'about:blank' && !CoreUrlUtils.isLocalFileUrl(src) && !CoreNetwork.isOnline()) {
             if (element.classList.contains('core-iframe-offline-disabled')) {
                 // Iframe already hidden, stop.
                 return true;

src/core/services/ws.ts

@@ -22,7 +22,7 @@ import { Observable } from 'rxjs';
 import { timeout } from 'rxjs/operators';
 
 import { CoreNativeToAngularHttpResponse } from '@classes/native-to-angular-http';
-import { CoreApp } from '@services/app';
+import { CoreNetwork } from '@services/network';
 import { CoreFile, CoreFileFormat } from '@services/file';
 import { CoreMimetypeUtils } from '@services/utils/mimetype';
 import { CoreTextErrorObject, CoreTextUtils } from '@services/utils/text';
@@ -96,7 +96,7 @@ export class CoreWSProvider {
     call<T = unknown>(method: string, data: Record<string, unknown>, preSets: CoreWSPreSets): Promise<T> {
         if (!preSets) {
             throw new CoreError(Translate.instant('core.unexpectederror'));
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             throw new CoreNetworkError();
         }
 
@@ -254,7 +254,7 @@ export class CoreWSProvider {
     ): Promise<CoreWSDownloadedFileEntry> {
         this.logger.debug('Downloading file', url, path, addExtension);
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             throw new CoreNetworkError();
         }
 
@@ -388,7 +388,7 @@ export class CoreWSProvider {
      * @return Timeout in ms.
      */
     getRequestTimeout(): number {
-        return CoreApp.isNetworkAccessLimited() ? CoreConstants.WS_TIMEOUT : CoreConstants.WS_TIMEOUT_WIFI;
+        return CoreNetwork.isNetworkAccessLimited() ? CoreConstants.WS_TIMEOUT : CoreConstants.WS_TIMEOUT_WIFI;
     }
 
     /**
@@ -421,7 +421,7 @@ export class CoreWSProvider {
 
         if (preSets.siteUrl === undefined) {
             throw new CoreAjaxError(Translate.instant('core.unexpectederror'));
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             throw new CoreAjaxError(Translate.instant('core.networkerrormsg'));
         }
 
@@ -789,7 +789,7 @@ export class CoreWSProvider {
     syncCall<T = unknown>(method: string, data: any, preSets: CoreWSPreSets): T {
         if (!preSets) {
             throw new CoreError(Translate.instant('core.unexpectederror'));
-        } else if (!CoreApp.isOnline()) {
+        } else if (!CoreNetwork.isOnline()) {
             throw new CoreNetworkError();
         }
 
@@ -873,7 +873,7 @@ export class CoreWSProvider {
             throw new CoreError('Invalid options passed to upload file.');
         }
 
-        if (!CoreApp.isOnline()) {
+        if (!CoreNetwork.isOnline()) {
             throw new CoreNetworkError();
         }