控制时间闪屏二种方法

final Timer timer = new Timer();    timer.schedule(new TimerTask() {        @Override        public void run() {            //跳转到LoginActivity            Intent intent = new Intent(SplashActivity.this, LoginActivity.class);            startActivity(intent);            finish();            timer.cancel();//取消当前任务        }    }, 2000, 1000);new Thread(){    public void run() {        try {            Thread.sleep(2000);        } catch (Exception e) {            e.printStackTrace();        }        Intent intent = new Intent();        intent.setClass(MainActivity.this, CalcActivity.class);        startActivity(intent);        MainActivity.this.finish();    };}.start();