omn*_*ius 5 java android timer
我想知道是否有可能CountDownTimer无限重复?
我想做一个盲测,当计时器退出并用另一首歌重启时,它会改变歌曲.
public void onCreate(Bundle savedInstanceState) 
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.jeu);
    int timeinminutes=1;
    new CountDownTimer(timeinminutes*21000, 1000) 
    {
        TextView jeutimer = (TextView) findViewById(R.id.jeu_timer);
         public void onTick(long millisUntilFinished) 
         {
             long scnds=0;
             scnds=(millisUntilFinished/1000);
             jeutimer.setText( "" + scnds);
         }
         public void onFinish() 
         {
         }
  }.start();
我的问题是没有"重启"功能,我想无限地重新开始我的倒计时
你可以重新启动它 -
        timer =new CountDownTimer(360000,3000) {
        @Override
        public void onTick(long millisUntilFinished) {
            //Some work
        }
        @Override
        public void onFinish() {
            timer.start(); // start it again after it finishes
        }
    }.start();
小智 2
只需保存计时器的参考:
CountDownTimer timer;
public void onCreate(Bundle savedInstanceState) 
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.jeu);
    int timeinminutes=1;
    timer = new CountDownTimer(timeinminutes*21000, 1000) 
    {
        TextView jeutimer = (TextView) findViewById(R.id.jeu_timer);
         public void onTick(long millisUntilFinished) 
         {
             long scnds=0;
             scnds=(millisUntilFinished/1000);
             jeutimer.setText( "" + scnds);
         }
         public void onFinish() 
         {
         }
  }.start();
现在,您可以随时通过以下方式重新启动它:
timer.start();
并停止它:
timer.cancel();
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