Android Sample code

         SmsManager sms = SmsManager.getDefault();
        sms.sendTextMessage("01028661864", "01028661864", "밥먹자", null, null);

        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setData(Uri.parse("http://www.google.com"));
        startActivity(intent);
    

        setContentView(R.layout.main);

        TextView tv = new TextView(this);
        tv.setText("정상혁은 이렇다");
        setContentView(tv);