what does statistics window tell?
Here's what you see (note: I know most of them from experience so feel free to correct me in comments if I'm wrong): The red and grey bar is kind of a performance review. It's based on the FPS and you should do everything to keep it green and full....
Relation between arith.nl.rounds and final-checks
configuration,z3,usage-statistics
All theories have final checks, but smt.arith.nl.rounds is only for the non-linear arithmetic solver (old; not NLSAT). There may be lots of final checks, none of which involve any non-linear arithmetic, or they use other methods to solve those parts.
CPU and memory usage of a file javascript
javascript,html5,canvas,cpu-usage,usage-statistics
You should take a look at this article from Paul Irish on his requestAnimationFrame cross-browser shim. It will firstly try to optimise frames based on browser capability, and also, have backwards compatibility for old, non-GPU enabled browsers. From the jQuery ticket: Benefits: let the browser choose the best 'animation tick'...
How to get list of recent apps with Android API 21 Lollipop?
android,packages,usage-statistics,android-recents
String topPackageName ; if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { UsageStatsManager mUsageStatsManager = (UsageStatsManager)getSystemService("usagestats"); long time = System.currentTimeMillis(); // We get usage stats for the last 10 seconds List<UsageStats> stats = mUsageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, time - 1000*10, time); // Sort the stats by the last time used if(stats != null) { SortedMap<Long,UsageStats> mySortedMap = new...
Check if my application has usage access enabled
Received a great answer by someone on Twitter, tested working: try { PackageManager packageManager = context.getPackageManager(); ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0); AppOpsManager appOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE); int mode = appOpsManager.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS, applicationInfo.uid, applicationInfo.packageName); return (mode == AppOpsManager.MODE_ALLOWED); } catch...
what is the iOS api to get statistics on app usage?
These statistics are not available on iOS, as they are seen as an breach of the users privacy.
Using usageStats.getTotalTimeInForeground() to get the time every application in a device spent in foreground
android,package,usage-statistics
If you want to get the foreground running time of all applications in android lollipop use the following piece of code. //Variables with dummy values and objects. UsageStats usageStats; String PackageName = "Nothing" ; long TimeInforground = 500 ; int minutes=500,seconds=500,hours=500 ; UsageStatsManager mUsageStatsManager = (UsageStatsManager)getSystemService("usagestats"); long time = System.currentTimeMillis();...
High value among some values disturbs the average…How to avoid the effect?
math,statistics,discrete-mathematics,moving-average,usage-statistics
The classical solution to this kind of problem is using the median instead of the average. You can also combine these two ideas: discard a certain amount of values (e.g. the upper and the lower 25%) and compute the mean of the remainder. This is called a truncated mean.
Android Lollipop know if app as Usage Stats access
android,android-5.0-lollipop,usage-statistics,android-recents
you can simply query usagestats with daily interval and end time the current time and if nothing is returns this means the user hasnt granted permissions @TargetApi(Build.VERSION_CODES.LOLLIPOP) public boolean doIHavePermission(){ final UsageStatsManager usageStatsManager = (UsageStatsManager) context.getSystemService("usagestats"); final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, 0, System.currentTimeMillis()); return !queryUsageStats.isEmpty(); } Daily interval with start...