Fixed downloading progress is not showing after starting the download.

core/src/main/java/org/kiwix/kiwixmobile/core/dao/DownloadRoomDao.kt

@@ -115,7 +115,9 @@ abstract class DownloadRoomDao {
           book = book,
           file = downloadRequest.getDestinationFile(sharedPreferenceUtil).path
         )
-      )
+      ).also {
+        downloadRequester.onDownloadAdded()
+      }
     }
   }
 

core/src/main/java/org/kiwix/kiwixmobile/core/downloader/DownloadRequester.kt

@@ -24,4 +24,5 @@ interface DownloadRequester {
   fun cancel(downloadId: Long)
   fun retryDownload(downloadId: Long)
   fun pauseResumeDownload(downloadId: Long, isPause: Boolean)
+  fun onDownloadAdded()
 }

core/src/main/java/org/kiwix/kiwixmobile/core/downloader/downloadManager/DownloadManagerMonitor.kt

@@ -84,13 +84,17 @@ class DownloadManagerMonitor @Inject constructor(
   fun startMonitoringDownloads() {
     // Check if monitoring is already active. If it is, do nothing.
     if (monitoringDisposable?.isDisposed == false) return
-    monitoringDisposable = Observable.interval(0, 5, TimeUnit.SECONDS)
+    monitoringDisposable = Observable.interval(ZERO.toLong(), 5, TimeUnit.SECONDS)
       .subscribeOn(Schedulers.io())
       .observeOn(Schedulers.io())
       .subscribe(
         {
           try {
             synchronized(lock) {
+              Log.e(
+                "DOWNLOAD_MONITOR",
+                "startMonitoringDownloads: ${downloadRoomDao.downloads().blockingFirst()}"
+              )
               if (downloadRoomDao.downloads().blockingFirst().isNotEmpty()) {
                 checkDownloads()
               } else {
@@ -425,7 +429,7 @@ class DownloadManagerMonitor @Inject constructor(
     downloadId: Long,
     control: Int
   ): Boolean {
-    Log.e("PAUSED", "pauseResumeDownloadInDownloadManagerContentResolver: $control")
+    Log.e("DOWNLOAD_MONITOR", "pauseResumeDownloadInDownloadManagerContentResolver: $control")
     return try {
       // Update the status to paused/resumed in the database
       val contentValues = ContentValues().apply {

core/src/main/java/org/kiwix/kiwixmobile/core/downloader/downloadManager/DownloadManagerRequester.kt

@@ -38,10 +38,11 @@ class DownloadManagerRequester @Inject constructor(
 ) : DownloadRequester {
   override fun enqueue(downloadRequest: DownloadRequest): Long =
     downloadManager.enqueue(downloadRequest.toDownloadManagerRequest(sharedPreferenceUtil))
-      .also {
-        // Start monitoring downloads after enqueuing a new download request.
-        downloadManagerMonitor.startMonitoringDownloads()
-      }
+
+  override fun onDownloadAdded() {
+    // Start monitoring downloads after enqueuing a new download request.
+    downloadManagerMonitor.startMonitoringDownloads()
+  }
 
   override fun cancel(downloadId: Long) {
     downloadManagerMonitor.cancelDownload(downloadId)
@@ -65,7 +66,7 @@ class DownloadManagerRequester @Inject constructor(
             }
           }.also {
             // Start monitoring downloads after retrying.
-            downloadManagerMonitor.startMonitoringDownloads()
+            onDownloadAdded()
           }
       } catch (ignore: Exception) {
         Log.e(

core/src/main/java/org/kiwix/kiwixmobile/core/downloader/fetch/FetchDownloadRequester.kt

@@ -52,6 +52,10 @@ class FetchDownloadRequester @Inject constructor(
     else
       fetch.pause(downloadId.toInt())
   }
+
+  override fun onDownloadAdded() {
+    // empty function
+  }
 }
 
 private fun DownloadRequest.toFetchRequest(sharedPreferenceUtil: SharedPreferenceUtil) =