Switch to work manager

README.md

@@ -108,9 +108,6 @@ Some code/libraries/resources are used in the project:
 *  [Material Dialogs](https://github.com/afollestad/material-dialogs)
     Aidan Follestad
     Apache License, Version 2.0
-*  [Android-Job](https://github.com/evernote/android-job)
-    Evernote Corporation
-    Apache License, Version 2.0
 *  [android-ColorPickerPreference](https://github.com/attenzione/android-ColorPickerPreference)
     Daniel Nilsson and Sergey Margaritov
     Apache License, Version 2.0

app/build.gradle

@@ -98,7 +98,7 @@ dependencies {
     implementation('com.github.afollestad.material-dialogs:core:0.9.6.0@aar') {
         transitive = true
     }
-    implementation 'com.evernote:android-job:1.2.6'
+    implementation 'androidx.work:work-runtime:2.7.1'
 
     annotationProcessor 'org.androidannotations:androidannotations:4.7.0'
     annotationProcessor 'org.androidannotations:ormlite:4.7.0'

app/src/main/AndroidManifest.xml

@@ -273,6 +273,18 @@
             android:authorities="@string/search_history_authority"
             android:exported="false" />
 
+        <!-- allow debug logs for WorkManager -->
+        <provider
+            android:name="androidx.startup.InitializationProvider"
+            android:authorities="${applicationId}.androidx-startup"
+            android:exported="false"
+            tools:node="merge">
+            <meta-data
+                android:name="androidx.work.WorkManagerInitializer"
+                android:value="androidx.startup"
+                tools:node="remove" />
+        </provider>
+
         <!-- RSS -->
         <activity
             android:name="org.transdroid.core.gui.rss.RssFeedsActivity_"

app/src/main/java/org/transdroid/core/gui/TransdroidApp.java

@@ -18,27 +18,21 @@ package org.transdroid.core.gui;
 
 import android.app.Application;
 
-import com.evernote.android.job.JobConfig;
-import com.evernote.android.job.JobManager;
+import androidx.annotation.NonNull;
+import androidx.work.Configuration;
 
-import org.androidannotations.annotations.Bean;
 import org.androidannotations.annotations.EApplication;
 import org.transdroid.core.gui.log.Log;
-import org.transdroid.core.service.ScheduledJobCreator;
 
 @EApplication
-public class TransdroidApp extends Application {
-
-    @Bean
-    protected Log log;
+public class TransdroidApp extends Application implements Configuration.Provider {
 
+    @NonNull
     @Override
-    public void onCreate() {
-        super.onCreate();
-
-        // Configure Android-Job
-        JobConfig.addLogger((priority, tag, message, t) -> log.d(tag, message));
-        JobManager.create(this).addJobCreator(new ScheduledJobCreator());
+    public Configuration getWorkManagerConfiguration() {
+        return new Configuration.Builder()
+                .setMinimumLoggingLevel(android.util.Log.DEBUG)
+                .build();
     }
 
 }

app/src/main/java/org/transdroid/core/service/AppUpdateJob.java

@@ -16,13 +16,19 @@
  */
 package org.transdroid.core.service;
 
+import static java.security.AccessController.getContext;
+
 import android.content.Context;
 
 import androidx.annotation.NonNull;
 
-import com.evernote.android.job.Job;
-import com.evernote.android.job.JobManager;
-import com.evernote.android.job.JobRequest;
+import androidx.work.Constraints;
+import androidx.work.Operation;
+import androidx.work.PeriodicWorkRequest;
+import androidx.work.Worker;
+import androidx.work.WorkManager;
+import androidx.work.NetworkType;
+import androidx.work.WorkerParameters;
 
 import org.transdroid.core.app.settings.NotificationSettings;
 import org.transdroid.core.app.settings.NotificationSettings_;
@@ -31,37 +37,48 @@ import org.transdroid.core.app.settings.SystemSettings_;
 import org.transdroid.core.gui.log.Log_;
 import org.transdroid.core.gui.navigation.NavigationHelper_;
 
+import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 
-public class AppUpdateJob extends Job {
+public class AppUpdateJob extends Worker {
 
     static final String TAG = "app_update_checker";
 
-    private static Integer scheduledJobId;
+    private static UUID scheduledJobId;
+
+    public AppUpdateJob(@NonNull Context context, @NonNull WorkerParameters workerParams) {
+        super(context, workerParams);
+
+    }
 
-    public static void schedule(Context context) {
+    public static <SimpleJob> void schedule(Context context) {
         NotificationSettings notificationSettings = NotificationSettings_.getInstance_(context);
         SystemSettings systemSettings = SystemSettings_.getInstance_(context);
         NavigationHelper_ navigationHelper = NavigationHelper_.getInstance_(context);
         if (systemSettings.checkForUpdates() && navigationHelper.enableUpdateChecker()) {
             Log_.getInstance_(context).d(TAG, "Schedule app update checker job");
             NotificationChannels.ensureAppUpdateChannel(context, notificationSettings);
-            scheduledJobId = new JobRequest.Builder(AppUpdateJob.TAG)
-                    .setPeriodic(TimeUnit.DAYS.toMillis(1))
-                    .setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)
-                    .setUpdateCurrent(true)
-                    .build()
-                    .schedule();
+            Constraints constraints = new Constraints.Builder()
+                    .setRequiredNetworkType(NetworkType.CONNECTED)
+                    .build();
+            PeriodicWorkRequest appUpdate = new PeriodicWorkRequest.Builder(AppUpdateJob.class, 1, TimeUnit.DAYS)
+                    .addTag(AppUpdateJob.TAG)
+                    .setConstraints(constraints)
+                    .build();
+            WorkManager.getInstance(context).cancelAllWorkByTag(AppUpdateJob.TAG);
+            WorkManager.getInstance(context).enqueue(appUpdate);
+            scheduledJobId = appUpdate.getId();
         } else if (scheduledJobId != null) {
-            Log_.getInstance_(context).d(TAG, "Cancel rss checker job");
-            JobManager.instance().cancel(scheduledJobId);
+            Log_.getInstance_(context).d(TAG, "Cancel app update checker job");
+            WorkManager.getInstance(context).cancelWorkById(scheduledJobId);
+            scheduledJobId = null;
         }
     }
 
     @NonNull
     @Override
-    protected Result onRunJob(@NonNull Params params) {
-        return AppUpdateJobRunner_.getInstance_(getContext()).run();
+    public Result doWork() {
+        return AppUpdateJobRunner_.getInstance_(getApplicationContext()).run();
     }
 
 }

app/src/main/java/org/transdroid/core/service/AppUpdateJobRunner.java

@@ -26,7 +26,8 @@ import android.net.Uri;
 
 import androidx.core.app.NotificationCompat;
 
-import com.evernote.android.job.Job;
+import androidx.work.ListenableWorker;
+import androidx.work.Worker;
 
 import org.androidannotations.annotations.Bean;
 import org.androidannotations.annotations.EBean;
@@ -73,16 +74,16 @@ public class AppUpdateJobRunner {
     @SystemService
     protected NotificationManager notificationManager;
 
-    Job.Result run() {
+    Worker.Result run() {
 
         // Only run this service if app updates are handled via transdroid.org at all
         if (!navigationHelper.enableUpdateChecker())
-            return Job.Result.FAILURE;
+            return Worker.Result.failure();
 
         if (!connectivityHelper.shouldPerformBackgroundActions() || !systemSettings.checkForUpdates()) {
             log.d(this, "Skip the app update service, as background data is disabled, the service is explicitly " +
                     "disabled or we are not connected.");
-            return Job.Result.RESCHEDULE;
+            return Worker.Result.retry();
         }
 
         Date lastChecked = systemSettings.getLastCheckedForAppUpdates();
@@ -91,7 +92,7 @@ public class AppUpdateJobRunner {
         if (lastChecked != null && lastChecked.after(lastDay.getTime())) {
             log.d(this, "Skip the update service, as we already checked the last 24 hours (or to be exact at "
                     + lastChecked.toString() + ").");
-            return Job.Result.RESCHEDULE;
+            return Worker.Result.retry();
         }
 
         DefaultHttpClient httpclient = new DefaultHttpClient();
@@ -124,7 +125,7 @@ public class AppUpdateJobRunner {
             // New version of the search module?
             try {
                 PackageInfo searchPackage = context.getPackageManager().getPackageInfo("org.transdroid.search", 0);
-                log.d(this, "Local Transdroid Seach is at " + searchPackage.getLongVersionCode()
+                log.d(this, "Local Transdroid Search is at " + searchPackage.getLongVersionCode()
                         + " and the reported latest version is " + searchVersion);
                 if (searchPackage.getLongVersionCode() < searchVersion) {
                     // New version available! Notify the user.
@@ -145,10 +146,10 @@ public class AppUpdateJobRunner {
         } catch (Exception e) {
             // Cannot check right now for some reason; log and ignore
             log.d(this, "Cannot retrieve latest app or search module version code from the site: " + e.toString());
-            return Job.Result.FAILURE;
+            return Worker.Result.failure();
         }
 
-        return Job.Result.SUCCESS;
+        return Worker.Result.success();
     }
 
     /**

app/src/main/java/org/transdroid/core/service/RssCheckerJob.java

@@ -16,45 +16,62 @@
  */
 package org.transdroid.core.service;
 
+import static java.security.AccessController.getContext;
+
 import android.content.Context;
 
 import androidx.annotation.NonNull;
 
-import com.evernote.android.job.Job;
-import com.evernote.android.job.JobManager;
-import com.evernote.android.job.JobRequest;
+import androidx.work.Constraints;
+import androidx.work.PeriodicWorkRequest;
+import androidx.work.Worker;
+import androidx.work.WorkManager;
+import androidx.work.NetworkType;
+import androidx.work.WorkerParameters;
 
 import org.transdroid.core.app.settings.NotificationSettings;
 import org.transdroid.core.app.settings.NotificationSettings_;
 import org.transdroid.core.gui.log.Log_;
 
-public class RssCheckerJob extends Job {
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+public class RssCheckerJob extends Worker {
 
     static final String TAG = "rss_checker";
 
-    private static Integer scheduledJobId;
+    private static UUID scheduledJobId;
+
+    public RssCheckerJob(@NonNull Context context, @NonNull WorkerParameters workerParams) {
+        super(context, workerParams);
+    }
 
     public static void schedule(Context context) {
         NotificationSettings notificationSettings = NotificationSettings_.getInstance_(context);
         if (notificationSettings.isEnabledForRss()) {
             Log_.getInstance_(context).d(TAG, "Schedule rss checker job");
             NotificationChannels.ensureRssCheckerChannel(context, notificationSettings);
-            scheduledJobId = new JobRequest.Builder(RssCheckerJob.TAG)
-                    .setPeriodic(notificationSettings.getInvervalInMilliseconds())
-                    .setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)
-                    .setUpdateCurrent(true)
-                    .build()
-                    .schedule();
+            Constraints constraints = new Constraints.Builder()
+                    .setRequiredNetworkType(NetworkType.CONNECTED)
+                    .build();
+            PeriodicWorkRequest rssChecker = new PeriodicWorkRequest.Builder(RssCheckerJob.class, notificationSettings.getInvervalInMilliseconds(), TimeUnit.MILLISECONDS)
+                    .addTag(RssCheckerJob.TAG)
+                    .setConstraints(constraints)
+                    .build();
+            WorkManager.getInstance(context).cancelAllWorkByTag(RssCheckerJob.TAG);
+            WorkManager.getInstance(context).enqueue(rssChecker);
+            scheduledJobId = rssChecker.getId();
         } else if (scheduledJobId != null) {
             Log_.getInstance_(context).d(TAG, "Cancel rss checker job");
-            JobManager.instance().cancel(scheduledJobId);
+            WorkManager.getInstance(context).cancelWorkById(scheduledJobId);
+            scheduledJobId = null;
         }
     }
 
     @NonNull
     @Override
-    protected Result onRunJob(@NonNull Params params) {
-        return RssCheckerJobRunner_.getInstance_(getContext()).run();
+    public Result doWork() {
+        return RssCheckerJobRunner_.getInstance_(getApplicationContext()).run();
     }
 
 }

app/src/main/java/org/transdroid/core/service/RssCheckerJobRunner.java

@@ -22,8 +22,7 @@ import android.content.Context;
 import android.content.Intent;
 
 import androidx.core.app.NotificationCompat;
-
-import com.evernote.android.job.Job;
+import androidx.work.Worker;
 
 import org.androidannotations.annotations.Bean;
 import org.androidannotations.annotations.EBean;
@@ -59,12 +58,12 @@ public class RssCheckerJobRunner {
     @SystemService
     protected NotificationManager notificationManager;
 
-    Job.Result run() {
+    Worker.Result run() {
 
         if (!connectivityHelper.shouldPerformBackgroundActions() || !notificationSettings.isEnabledForRss()) {
             log.d(this,
                     "Skip the RSS checker service, as background data is disabled, the service is disabled or we are not connected.");
-            return Job.Result.RESCHEDULE;
+            return Worker.Result.retry();
         }
 
         // Check every RSS feed for new items
@@ -117,7 +116,7 @@ public class RssCheckerJobRunner {
 
         if (unread == 0) {
             // No new items; just exit
-            return Job.Result.SUCCESS;
+            return Worker.Result.success();
         }
 
         // Provide a notification, since there are new RSS items
@@ -140,7 +139,7 @@ public class RssCheckerJobRunner {
         }
         notificationManager.notify(80001, builder.build());
 
-        return Job.Result.SUCCESS;
+        return Worker.Result.success();
     }
 
 }

app/src/main/java/org/transdroid/core/service/ScheduledJobCreator.java

@@ -1,42 +0,0 @@
-/*
- * Copyright 2010-2018 Eric Kok et al.
- *
- * Transdroid is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Transdroid is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Transdroid.  If not, see <http://www.gnu.org/licenses/>.
- */
-package org.transdroid.core.service;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.evernote.android.job.Job;
-import com.evernote.android.job.JobCreator;
-
-public class ScheduledJobCreator implements JobCreator {
-
-    @Nullable
-    @Override
-    public Job create(@NonNull String tag) {
-        switch (tag) {
-            case AppUpdateJob.TAG:
-                return new AppUpdateJob();
-            case RssCheckerJob.TAG:
-                return new RssCheckerJob();
-            case ServerCheckerJob.TAG:
-                return new ServerCheckerJob();
-            default:
-                return null;
-        }
-    }
-
-}

app/src/main/java/org/transdroid/core/service/ServerCheckerJob.java

@@ -20,41 +20,58 @@ import android.content.Context;
 
 import androidx.annotation.NonNull;
 
-import com.evernote.android.job.Job;
-import com.evernote.android.job.JobManager;
-import com.evernote.android.job.JobRequest;
+import androidx.annotation.WorkerThread;
+import androidx.work.Constraints;
+import androidx.work.PeriodicWorkRequest;
+import androidx.work.Worker;
+import androidx.work.WorkManager;
+import androidx.work.NetworkType;
+import androidx.work.WorkerParameters;
 
 import org.transdroid.core.app.settings.NotificationSettings;
 import org.transdroid.core.app.settings.NotificationSettings_;
 import org.transdroid.core.gui.log.Log_;
 
-public class ServerCheckerJob extends Job {
+import java.time.Period;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+public class ServerCheckerJob extends Worker {
 
     static final String TAG = "server_checker";
 
-    private static Integer scheduledJobId;
+    private static UUID scheduledJobId;
+
+    public ServerCheckerJob(@NonNull Context context, @NonNull WorkerParameters workerParams) {
+        super(context, workerParams);
+    }
 
     public static void schedule(Context context) {
         NotificationSettings notificationSettings = NotificationSettings_.getInstance_(context);
         if (notificationSettings.isEnabledForTorrents()) {
             Log_.getInstance_(context).d(TAG, "Schedule server checker job");
             NotificationChannels.ensureServerCheckerChannel(context, notificationSettings);
-            scheduledJobId = new JobRequest.Builder(ServerCheckerJob.TAG)
-                    .setPeriodic(notificationSettings.getInvervalInMilliseconds())
-                    .setRequiredNetworkType(JobRequest.NetworkType.CONNECTED)
-                    .setUpdateCurrent(true)
-                    .build()
-                    .schedule();
+            Constraints constraints = new Constraints.Builder()
+                    .setRequiredNetworkType(NetworkType.CONNECTED)
+                    .build();
+            PeriodicWorkRequest serverChecker = new PeriodicWorkRequest.Builder(ServerCheckerJob.class, notificationSettings.getInvervalInMilliseconds(), TimeUnit.MILLISECONDS)
+                    .addTag(ServerCheckerJob.TAG)
+                    .setConstraints(constraints)
+                    .build();
+            WorkManager.getInstance(context).cancelAllWorkByTag(ServerCheckerJob.TAG);
+            WorkManager.getInstance(context).enqueue(serverChecker);
+            scheduledJobId = serverChecker.getId();
         } else if (scheduledJobId != null) {
             Log_.getInstance_(context).d(TAG, "Cancel server checker job");
-            JobManager.instance().cancel(scheduledJobId);
+            WorkManager.getInstance(context).cancelWorkById(scheduledJobId);
+            scheduledJobId = null;
         }
     }
 
     @NonNull
     @Override
-    protected Result onRunJob(@NonNull Params params) {
-        return ServerCheckerJobRunner_.getInstance_(getContext()).run();
+    public Result doWork() {
+        return ServerCheckerJobRunner_.getInstance_(getApplicationContext()).run();
     }
 
 }

app/src/main/java/org/transdroid/core/service/ServerCheckerJobRunner.java

@@ -22,7 +22,7 @@ import android.content.Context;
 import android.content.Intent;
 import android.text.TextUtils;
 import androidx.core.app.NotificationCompat;
-import com.evernote.android.job.Job;
+import androidx.work.Worker;
 import org.androidannotations.annotations.Bean;
 import org.androidannotations.annotations.EBean;
 import org.androidannotations.annotations.RootContext;
@@ -61,12 +61,12 @@ public class ServerCheckerJobRunner {
     @SystemService
     protected NotificationManager notificationManager;
 
-    Job.Result run() {
+    Worker.Result run() {
 
         if (!connectivityHelper.shouldPerformBackgroundActions() || !notificationSettings.isEnabledForTorrents()) {
             log.d(this,
                     "Skip the server checker service, as background data is disabled, the service is disabled or we are not connected.");
-            return Job.Result.RESCHEDULE;
+            return Worker.Result.retry();
         }
 
         int notifyBase = 10000;
@@ -207,7 +207,7 @@ public class ServerCheckerJobRunner {
 
         }
 
-        return Job.Result.SUCCESS;
+        return Worker.Result.success();
     }
 
     private Boolean findLastDoneStat(JSONArray lastStats, Torrent torrent) {