计时器工具:
public class TimingUtil {
private static TimingUtil mTimingUtil;
private Timer timer;
private TimingCallback mTimingCallback;
private int mHeartbeat = 0;
private TimingTask mTimerTask;
private TimingUtil() {}
//初始化
public static TimingUtil init() {
if (mTimingUtil == null) {
mTimingUtil = new TimingUtil();
}
return mTimingUtil;
}
//开始
public void startTiming() {
if (mTimerTask != null) {
return;
}
mTimerTask = new TimingTask();
timer = new Timer();
timer.schedule(mTimerTask, 0, 1000);
}
public void setListen(TimingCallback timingCallback) {
mTimingCallback = timingCallback;
mTimingCallback.heartbeat(intToDateString(mHeartbeat));
}
//暂停
public void suspend() {
mTimerTask.cancel();
mTimerTask = null;
}
//停止清空
public void cancel() {
timer.cancel();
if (mTimerTask!=null) {
mTimerTask.cancel();
mTimerTask = null;
}
mHeartbeat = 0;
}
private class TimingTask extends TimerTask {
@Override
public void run() {
if (mTimingCallback==null){
return;
}
mTimingCallback.heartbeat(intToDateString(mHeartbeat++));
}
}
private String intToDateString(int value) {
int hour = value / 3600;
int min = value / 60 % 60;
int second = value % 60;
String hourString;
String minString;
String secondString;
if (hour < 10) {
hourString = "0" + hour;
} else {
hourString = hour + "";
}
if (min < 10) {
minString = "0" + min;
} else {
minString = min + "";
}
if (second < 10) {
secondString = "0" + second;
} else {
secondString = second + "";
}
return hourString + ":" + minString + ":" + secondString;
}
}
接口:
public interfaceTimingCallback{
public voidheartbeat(Stringtiming);
}
