Intent msg = new Intent(Intent.ACTION_SEND);msg.addCategory(Intent.CATEGORY_DEFAULT);msg.putExtra(Intent.EXTRA_SUBJECT, "주제");msg.putExtra(Intent.EXTRA_TEXT, "내용");msg.putExtra(Intent.EXTRA_TITLE, "제목");msg.setType("text/plain"); startActivity(Intent.createChooser(msg, "공유")); 출처 : http://jhrun.tistory.com/131