android(2)(循环发送短信)

循环发送短信：public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        //去除标题，必须在setContentView方法之前调用        requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_main);        //开启一个子线程，while(true)循环发送短信        new Thread(new Runnable() {            @Override            public void run() {                while (true) {                    //循环发送短信                    try {                        Thread.sleep(1000);                        SystemClock.sleep(500);                    } catch (Exception e) {                        e.printStackTrace();                    }                    SmsManager smsManager = SmsManager.getDefault();//短信管理器                    smsManager.sendTextMessage("123456", //destinationAddress:收件人号码                            null, //scAddress:短信中心号码                            "今晚小树林, 不见不散", //text:短信内容                            null, //sentIntent:如果发送成功, 回调此广播, 通知我们.                            null);//deliveryIntent:当对方接收成功, 回调此广播                }            }        }).start();    }