Facebook text sharing with intent to share with Android

Possible duplicate:
Android account for Facebook

I am trying to share some text and a link in facebook with the Intent house on Android, but this does not work, this is my code

Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.setType("text/plain");
sendIntent.putExtra(Intent.EXTRA_TEXT, 
"some text here to share" + "https://maps.google.com/maps?saddr=-33.4429,+-70.6539");

startActivity(Intent.createChooser(sendIntent, getResources().getText(R.string.d_title)));

but just exchanges a link, the text is missing ... on twitter it works fine, but on facebook it doesn't. Please help: S thanks