+        if (!mConfigurationChangedToLandscape) {\r
+            setContentView(R.layout.file_activity_details);\r
+        \r
+            ActionBar actionBar = getSupportActionBar();\r
+            actionBar.setDisplayHomeAsUpEnabled(true);\r
+        \r
+            OCFile file = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);\r
+            Account account = getIntent().getParcelableExtra(FileDownloader.EXTRA_ACCOUNT);\r
+            FileDetailFragment mFileDetail = new FileDetailFragment(file, account);\r
+        \r
+            FragmentTransaction ft = getSupportFragmentManager().beginTransaction();\r
+            ft.replace(R.id.fragment, mFileDetail, FileDetailFragment.FTAG);\r
+            ft.commit();\r
+            \r
+        }  else {\r
+            backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;\r
+        }\r
+        \r
+        \r