if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    UsageStatsManager mUsageStatsManager = (UsageStatsManager)getSystemService("usagestats");
    long time = System.currentTimeMillis();
    List<UsageStats> stats = mUsageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, time - 1000*10, time);
}