Text Share

Intent it = new Intent(android.content.Intent.ACTION_SEND);
it.setType("text/plain");
it.putExtra(Intent.EXTRA_SUBJECT, "제목을 넣어요");
it.putExtra(Intent.EXTRA_TEXT, "내용을 넣어요");
startActivity(Intent.createChooser(it, "팝업창 타이틀을 넣어요"));

출처 : http://withsoju.tistory.com/542