Fix context menu in directory browser

vlc-android/src/org/videolan/vlc/gui/DirectoryAdapter.java

@@ -371,7 +371,8 @@ public class DirectoryAdapter extends BaseAdapter {
         else
             holder.icon.setImageResource(R.drawable.ic_menu_folder);
 
-        holder.more.setVisibility(Util.canWrite(mCurrentDir+"/"+selectedNode.name) ? View.VISIBLE : View.INVISIBLE);
+        holder.more.setVisibility(selectedNode.isFile() ||
+                Util.canWrite(mCurrentDir+"/"+selectedNode.name) ? View.VISIBLE : View.INVISIBLE);
         holder.more.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View v) {

vlc-android/src/org/videolan/vlc/util/Util.java

@@ -310,8 +310,9 @@ public class Util {
     public static boolean canWrite(String path){
         if (path == null)
             return false;
-        if (LibVlcUtil.isLolliPopOrLater() &&
-                !path.startsWith("file://" + Environment.getExternalStorageDirectory().getPath()))
+        if (path.startsWith(Environment.getExternalStorageDirectory().getPath()))
+            return true;
+        if (LibVlcUtil.isLolliPopOrLater())
             return false;
         File file = new File(path);
         return (file.exists() && file.canWrite());