Handler handler = new Handler() { public void handleMessage(android.os.Message msg) { a--; js.setText(a+""); if (a<=0){ Intent intent = new Intent(MainActivity.this,MainInterface.class); startActivity(intent); } handler.sendEmptyMessageDelayed(0, 1000);//定时1秒发一次 } };
handler.sendEmptyMessageDelayed(0, 1000); 调用一下