试图在我的应用程序中制作一个小的倒数计时器,但它不起作用。
想法是倒计时到特定的时间。首先是几天,然后是几小时。
以下方法在我的 Fragmentclass.java 中(所以它是一个片段)
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onViewCreated(view, savedInstanceState);
Calendar cal = Calendar.getInstance();
cal.set(2012, 8, 29, 10, 0);
long endTime = cal.getTimeInMillis();
long currentTime = System.currentTimeMillis();
long remaining = currentTime - endTime;
long seconds = remaining / 1000 % 60;
new CountDownTimer(seconds, 1000) {
TextView tv = (TextView)getActivity().findViewById(R.id.introTimeLeft);
public void onTick(long millisUntilFinished) {
Calendar cal = Calendar.getInstance();
cal.set(2012, 8, 29, 10, 0);
long endTime = cal.getTimeInMillis();
long currentTime = System.currentTimeMillis();
long remaining = currentTime - endTime;
long hours = remaining / 3600000;
long mins = remaining / 60000 % 60;
long seconds = remaining / 1000 % 60;
long days = hours / 24;
String remainingText = String.valueOf(days) + " days";
Log.i("countdown",String.valueOf(days));
tv.setText("Days left: " + days);
}
public void onFinish() {
Log.i("countdown","CD Finished");
tv.setText("CD Finished!");
}
}.start();
}
请注意,文本框值现在仅用于测试,但我似乎无法让它显示倒计时。
这也是最好的方法吗?