Background upload test

plugin.xml

@@ -35,6 +35,8 @@
             <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
             <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
             <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+            <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+            <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
         </config-file>
         <config-file target="AndroidManifest.xml" parent="/manifest/application">
             <meta-data android:name="DATABASE" android:value="cordova-plugin-background-upload.db" />

src/android/UploadNotification.java

@@ -14,8 +14,10 @@
 import androidx.annotation.IntegerRes;
 import androidx.annotation.RequiresApi;
 import androidx.core.app.NotificationCompat;
+import androidx.work.ForegroundInfo;
 import androidx.work.WorkInfo;
 import androidx.work.WorkManager;
+import android.content.pm.ServiceInfo;
 
 import java.util.Collections;
 import java.util.List;
@@ -82,7 +84,7 @@ public static Notification createNotification(NotificationCompat.Builder notific
         Notification notification = notificationBuilder.build();
         notification.flags |= Notification.FLAG_NO_CLEAR;
         notification.flags |= Notification.FLAG_ONGOING_EVENT;
-        return  notification;
+        return notification;
     }
 
     @RequiresApi(api = Build.VERSION_CODES.O)
@@ -103,7 +105,9 @@ private static NotificationCompat.Builder getUploadNotification(final Context co
         PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, notificationIntent, pendingIntentFlag);
 
         // TODO: click intent open app
-        @SuppressLint("ResourceType") NotificationCompat.Builder uploadNotificationBuilder = new NotificationCompat.Builder(context, UploadTask.NOTIFICATION_CHANNEL_ID)
+        @SuppressLint("ResourceType")
+        NotificationCompat.Builder uploadNotificationBuilder = new NotificationCompat.Builder(context,
+                UploadTask.NOTIFICATION_CHANNEL_ID)
                 .setContentTitle(notificationTitle)
                 .setTicker(notificationTitle)
                 .setSmallIcon(notificationIconRes)
@@ -117,4 +121,13 @@ private static NotificationCompat.Builder getUploadNotification(final Context co
 
         return uploadNotificationBuilder;
     }
+
+    public ForegroundInfo getForegroundInfo() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            return new ForegroundInfo(notificationId, notificationBuilder.build(),
+                    ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC);
+        } 
+
+        return new ForegroundInfo(notificationId, notificationBuilder.build());
+    }
 }

src/android/UploadTask.java

@@ -7,6 +7,7 @@
 import android.webkit.MimeTypeMap;
 
 import androidx.annotation.NonNull;
+import androidx.work.ForegroundInfo;
 import androidx.work.Data;
 import androidx.work.Worker;
 import androidx.work.WorkerParameters;
@@ -155,7 +156,7 @@ public UploadTask(@NonNull Context context, @NonNull WorkerParameters workerPara
     @NonNull
     @Override
     public Result doWork() {
-        if(!hasNetworkConnection()) {
+        if (!hasNetworkConnection()) {
             return Result.retry();
         }
 
@@ -194,9 +195,16 @@ public Result doWork() {
         }
 
         startTime = System.currentTimeMillis();
-        // Register me
-        uploadForegroundNotification.progress(getId(), 0f);
-        handleNotification();
+        // Register me and start foreground service IMMEDIATELY
+        // This must be done before any blocking operations to ensure uploads continue when app is killed
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+            uploadForegroundNotification.progress(getId(), 0f);
+            setForegroundAsync(uploadForegroundNotification.getForegroundInfo(getApplicationContext()));
+        } else {
+            // Android 12+: Still need to start foreground service for WorkManager to continue after app kill
+            uploadNotification.updateProgress();
+            setForegroundAsync(uploadNotification.getForegroundInfo());
+        }
 
         // Start call
         currentCall = httpClient.newCall(request);
@@ -305,7 +313,10 @@ private void handleProgress(long bytesWritten, long totalBytes) {
         }
 
         float percent = (float) bytesWritten / (float) totalBytes;
-        UploadForegroundNotification.progress(getId(), percent);
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+            UploadForegroundNotification.progress(getId(), percent);
+        }
+        // On Android 12+, progress is tracked via WorkManager progress data
 
         Log.i(TAG, "handleProgress: " + getId() + " Progress: " + (int) (percent * 100f));
 
@@ -395,12 +406,22 @@ private void handleNotification() {
         Log.d(TAG, "Upload Notification");
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
             setForegroundAsync(uploadForegroundNotification.getForegroundInfo(getApplicationContext()));
-        } else  {
+        } else {
             uploadNotification.updateProgress();
         }
         Log.d(TAG, "Upload Notification Exit");
     }
 
+    @NonNull
+    @Override
+    public ForegroundInfo getForegroundInfo() {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
+            return uploadForegroundNotification.getForegroundInfo(getApplicationContext());
+        } 
+
+        return uploadNotification.getForegroundInfo();
+    }
+
     private synchronized boolean hasNetworkConnection() {
         ConnectivityManager connectivityManager = (ConnectivityManager) getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
         if((connectivityManager == null) || (connectivityManager.getActiveNetworkInfo() == null) || (connectivityManager.getActiveNetworkInfo().isConnectedOrConnecting() == false)) {