我想通过使用 UsageStatsManager.queryUsageStats 方法来获取我的应用程序的使用时间。
Calendar currentDay=Calendar.getInstance();
currentDay.setTime(new Date());
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 1);
long start = calendar.getTimeInMillis();
System.out.println("Startdate "+df.format(new Date(start)));
long end = System.currentTimeMillis();
final List<UsageStats> usageStatsList=usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY,start,end);
开始日期正确 :I/System.out: Startdate 30.10.19 00:01
但是当我遍历条目时:
for(UsageStats usageStats :usageStatsList){
if(isCheckApplication(usageStats.getPackageName()) && usageStats.getTotalTimeInForeground()>0) {
foreGround = foreGround + usageStats.getTotalTimeInForeground();
System.out.println(usageStats.getPackageName()+" "+df.format(usageStats.getFirstTimeStamp())+" "+df.format(usageStats.getLastTimeUsed())+" "+usageStats.getTotalTimeInForeground()/1000/60);
}
}
最后一天的条目也被计算在内:
org.wikipedia 29.10.19 18:42 29.10.19 23:46 1
com.android.chrome 29.10.19 18:42 30.10.19 08:34 41 ...
并且还计算此间隔的前台时间。如何正确限制间隔