\r
import java.util.Vector;\r
\r
+import com.actionbarsherlock.app.ActionBar;\r
+\r
import android.accounts.Account;\r
import android.content.Intent;\r
import android.os.Bundle;\r
if (file.getMimetype().equals("DIR")) {\r
mFile = file;\r
((FileDisplayActivity) getActivity()).pushDirname(file);\r
+ ActionBar actionBar = ((FileDisplayActivity) getActivity()).getSupportActionBar();\r
+ actionBar.setDisplayHomeAsUpEnabled(true);\r
listDirectory(file);\r
resetFileFragment();\r
return;\r