Countdowntimer以分和秒 [英] Countdowntimer in minutes and seconds
问题描述
这是一个倒计时器,我想以分和秒来打印。前(300000mili)5分钟后,计数4:60,4点59 ... 这里是我的code部分
It's a countdown timer and i want to print in minutes and seconds. ex(300000mili)5 minutes, and count 4:60, 4:59... here is part of my code
final MyCounter timer = new MyCounter(300000,1000);
blue.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
timer.start();
}
});
}
public class MyCounter extends CountDownTimer{
public MyCounter(long millisInFuture, long countDownInterval) {
super(millisInFuture, countDownInterval);
}
@Override
public void onFinish() {
blue.setText("Live");
}
@Override
public void onTick(long millisUntilFinished) {
blue.setText((millisUntilFinished/60000)+":"+(millisUntilFinished/5000));
// i tried this
}
}
和我怎样才能把振动失踪20秒什么时候?当它完成了吗? 感谢和抱歉,我的英语不好
And how can i put to vibrate when missing 20 seconds? and when it finished? thanks and sorry for my bad english
推荐答案
<一个href="http://developer.android.com/reference/android/os/CountDownTimer.html">http://developer.android.com/reference/android/os/CountDownTimer.html
TextView _tv = (TextView) findViewById( R.id.textView1 );
new CountDownTimer(30000, 1000) { // adjust the milli seconds here
public void onTick(long millisUntilFinished) {
_tv.setText(""+String.format("%d min, %d sec",
TimeUnit.MILLISECONDS.toMinutes( millisUntilFinished),
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished))));
}
public void onFinish() {
_tv.setText("done!");
}
}.start();
由于Java 1.5还有就是java.util.concurrent.TimeUnit中的类
Since java 1.5 there is the java.util.concurrent.TimeUnit class
_tv.setText(""+String.format("%d min, %d sec",
TimeUnit.MILLISECONDS.toMinutes( millisUntilFinished),
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished))));
<一个href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/TimeUnit.html">http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/TimeUnit.html
一个的TimeUnit重新$ P粒度的指定单位$ psents时间段,它提供了实用的方法进行跨单元转换,并在这些单位执行计时及延迟操作。
A TimeUnit represents time durations at a given unit of granularity and provides utility methods to convert across units, and to perform timing and delay operations in these units.
有关低于1.5的Java版本或用于不完全支持的TimeUnit类下列等式可用于系统:
For Java versions below 1.5 or for systems that do not fully support the TimeUnit class the following equations can be used:
int seconds = (int) (milliseconds / 1000) % 60 ;
int minutes = (int) ((milliseconds / (1000*60)) % 60);
int hours = (int) ((milliseconds / (1000*60*60)) % 24);
振动
Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
// Vibrate for 500 milliseconds
v.vibrate(500);
<uses-permission android:name="android.permission.VIBRATE"/> // permission in manifest
编辑:
在时震动4分钟55秒为500毫秒
Vibrate at 4 min 55 seconds for 500 milli seconds
if((TimeUnit.MILLISECONDS.toMinutes( millisUntilFinished)==4) &&
TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) -
TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished))==55)
{
Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
// Vibrate for 500 milliseconds
v.vibrate(500);
}
这篇关于Countdowntimer以分和秒的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!