in my app i have list of files that shows in ListActivity now i want add extra option like windows :(Open folder location) to open directory off this file i test some code but not work throw exception:

File file=new File(path);
        Uri url = Uri.fromFile(file);
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setData(url);
        startActivity(intent);

exeption :

03-08 21:14:55.451: E/AndroidRuntime(15708): 
android.content.ActivityNotFoundException: No Activity found to handle Intent { 
act=android.intent.action.VIEW dat=file:///storage/extSdCard/Bluetooth }

what can i do?