create a share intent with ShareActionProvider and text/plain to share something on android

activity.java

@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
  super.onCreateOptionsMenu(menu, inflater);
  MenuItem actionItem = menu.findItem(R.id.menu_item_share);
  ShareActionProvider actionProvider = (ShareActionProvider) actionItem.getActionProvider();
  actionProvider.setShareHistoryFileName(ShareActionProvider.DEFAULT_SHARE_HISTORY_FILE_NAME);
  // Note that you can set/change the intent any time,
  // say when the user has selected an image.
  actionProvider.setShareIntent(createShareIntent());
}

private Intent createShareIntent() {
  	Intent shareIntent = new Intent(Intent.ACTION_SEND);
		shareIntent.putExtra(
				Intent.EXTRA_TEXT,
				getSherlockActivity().getString(R.string.share_text,
				  getSherlockActivity().getString(R.string.share_url)
        )
    );
		shareIntent.putExtra(
				Intent.EXTRA_SUBJECT,
				getSherlockActivity().getString(R.string.share_subject)
    );
		shareIntent.setType("text/plain");
		return shareIntent;
	}