[Android] Fix FAB visibility on network root level

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Thu Feb  7 17:40:09 2019 +0100| [de4db076c0709b73d40011641c2973fde47c67af] | committer: Geoffrey Métais

Fix FAB visibility on network root level

> https://code.videolan.org/videolan/vlc-android/commit/de4db076c0709b73d40011641c2973fde47c67af
---

 .../org/videolan/vlc/gui/browser/NetworkBrowserFragment.java   | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/vlc-android/src/org/videolan/vlc/gui/browser/NetworkBrowserFragment.java b/vlc-android/src/org/videolan/vlc/gui/browser/NetworkBrowserFragment.java
index d65e96c87..5d4254fe9 100644
--- a/vlc-android/src/org/videolan/vlc/gui/browser/NetworkBrowserFragment.java
+++ b/vlc-android/src/org/videolan/vlc/gui/browser/NetworkBrowserFragment.java
@@ -34,6 +34,7 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 
+import org.jetbrains.annotations.NotNull;
 import org.videolan.medialibrary.media.MediaWrapper;
 import org.videolan.vlc.ExternalMonitor;
 import org.videolan.vlc.R;
@@ -51,6 +52,7 @@ import androidx.fragment.app.FragmentManager;
 import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProviders;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 public class NetworkBrowserFragment extends BaseBrowserFragment {
 
@@ -129,8 +131,6 @@ public class NetworkBrowserFragment extends BaseBrowserFragment {
     @Override
     public void onStop() {
         super.onStop();
-        setFabPlayVisibility(false);
-        mFabPlay.setOnClickListener(null);
         if (!isRootDirectory()) LocalBroadcastManager.getInstance(VLCApplication.getAppContext()).unregisterReceiver(mLocalReceiver);
         setGoBack(false);
     }
@@ -213,4 +213,10 @@ public class NetworkBrowserFragment extends BaseBrowserFragment {
             else setGoBack(true);
         }
     };
+
+    @Override
+    public void onUpdateFinished(@NotNull RecyclerView.Adapter<?> adapter) {
+        super.onUpdateFinished(adapter);
+        if (isRootDirectory()) mFabPlay.show();
+    }
 }