Filtering only folders and showing them as per NMC-2893 Task

Author: surinder-tsys

app/src/main/java/com/nextcloud/client/media/NextcloudExoPlayer.kt

@@ -42,7 +42,9 @@ object NextcloudExoPlayer {
             .setMediaSourceFactory(mediaSourceFactory)
             .setAudioAttributes(AudioAttributes.DEFAULT, true)
             .setHandleAudioBecomingNoisy(true)
-            .setSeekForwardIncrementMs(FIVE_SECONDS_IN_MILLIS)
+            // NMC-3192 Fix
+            .setSeekBackIncrementMs(2 * FIVE_SECONDS_IN_MILLIS)
+            .setSeekForwardIncrementMs(2 * FIVE_SECONDS_IN_MILLIS)
             .build()
     }
 }

app/src/main/java/com/owncloud/android/ui/activity/ReceiveExternalFilesActivity.java

@@ -97,6 +97,7 @@
 import java.util.Calendar;
 import java.util.List;
 import java.util.Stack;
+import java.util.stream.Collectors;
 
 import javax.inject.Inject;
 
@@ -742,6 +743,10 @@ private void populateDirectoryList() {
         if (mFile != null) {
             List<OCFile> files = getStorageManager().getFolderContent(mFile, false);
 
+            // NMC-2893 Task
+            // Filtering and showing only files which are folder
+            files = files.stream().filter(OCFile::isFolder).collect(Collectors.toList());
+
             if (files.isEmpty()) {
                 setMessageForEmptyList(R.string.file_list_empty_headline, R.string.empty,
                                        R.drawable.uploads);