FAQ Database Discussion Community


Background Fetch iOS - Terminated Apps

ios,ios7,background,background-task,background-fetch
I think this might be answered quiet a few time, but still there are some unknown cases that I wanted to clarify. I have been looking at Background Fetch API for one of my iOS application. I learned from several articles that fetchNewDataWithCompletionHandler will get called when OS decides to...

AFHTTPSessionManager convenience methods (GET, POST, PUT, etc) and background transfers

ios,afnetworking-2,nsurlsession,background-task
I've built an app around AFNetworking 2.0's AFHTTPSessionManager and its nice HTTP convenience methods. I now need to ensure that all of this networking functionality can run in the background, and I'm rather concerned. Reading Apple's documentation, I can see that data tasks are not supported for background sessions. After...

how to use django-background-tasks

python,django,background-task
I am making a django application. To calculate the rank of the feeds based on lines and comment, I am trying to use django-background-tasks. the function I am using in nodes models is: @background(schedule=60) def get_score(self): p = self.likes+self.comments # popularity t = (now()-self.date).total_seconds()/3600 # age_in_hrs # last_activity = n...

Android show user a feedback on screen when running background task

android,notifications,background-task
I want to show feedback to user when user is using my app and a background task is running. I don't want to show it on the notification area but just on the screen, for example under the user's name showing 'syncing ...' Similar functionality is found in Wunderlist app...

WP8.1 C# Windows Phone 8.1 Background Task WriteableBitmap Thread Error

c#,writeablebitmap,background-task,microsoft-band
I am trying to update the band Me Tile image from a background task and i get the following error at WriteableBitmap: System.Exception: The application called an interface that was marshalled for a different thread. (Exception from HRESULT: 0x8001010E (RPC_E_WRONG_THREAD)) at Windows.UI.Xaml.Media.Imaging.WriteableBitmap..ctor(Int32 pixelWidth, Int32 pixelHeight) at BackgroundTaskCS.UpdateBandTask.<LoadImage>d__f.MoveNext() --- End of...

What is the best way to do the long background task in Windows 8

windows-8,windows-runtime,windows-8.1,background-task
I'm developing Windows Metro App and in my App I need to download some information(about 60Mb, every time) from server in background. Download should occur regularly, for example every 8 hours. So I tried to use Background Task, but there are some CPU and network quotas(https://msdn.microsoft.com/en-us/library/windows/apps/xaml/hh977051.aspx), and I can't do...

PID of background task is different to the listed task PID using ps

linux,bash,pid,background-task
I have a strange issue, I can't quite get my head around. What I do is run a function called fn_rundumper which basically just calls the bash code: pterm -z "cmd.sh" param1 & Here is the output of that, which includes the background pid "27938858": fn_rundumper running fn_dumper... [1] 27938858...

SystemMediaTransportControl GetForCurrentView() fails in audio background task on Desktop Device Family (UWP C#

c#,windows-10,background-task
I'm trying to bring over my C# WP 8.1 Background Audio Task to UWP and everything works, except trying to get the UVC using Windows.Media.Playback.SystemMediaTransportControls.GetForCurrentView() throws the current exception on Desktop devices: "Could Not Find an appropriate view to be associated with this instance of the MediaPlaybackControl. Please make sure...

Microsoft.Phone.Scheduler.Alarm in a BackgroundTask

c#,alarm,background-task,win-phone-silverlight-8.1
I recommend your assistance. I am using Silverlight 8.1 to program an GPS based alarm app (Because the Microsoft.Phone.Scheduler.Alarm api is blocked in WP 8.1). Now I am trying to create a BackgroundTask triggered by the GeofenceMonitor. My problem is that a BackgroundTask must be located in a "Windows Runtime...

Background task spontaneous completion с#

c#,windows-runtime,windows-phone-8.1,background-process,background-task
Register a background task: string myTaskName = "Task"; foreach (var cur in BackgroundTaskRegistration.AllTasks) if (cur.Value.Name == myTaskName) { return; } await BackgroundExecutionManager.RequestAccessAsync(); BackgroundTaskBuilder taskBuilder = new BackgroundTaskBuilder { Name = "Task", TaskEntryPoint = "Background.Task" }; taskBuilder.SetTrigger(new TimeTrigger(15, true)); BackgroundTaskRegistration myFirstTask = taskBuilder.Register(); Background task is created in the Windows Runtime...

How can I download for longer than three minutes with Dropbox?

ios,ios7,ios8,dropbox-api,background-task
I'm at a point with my app where i'm able to download files, but there is a problem where if the download is >4 minutes, it times out. I've managed to boil it down to the it being 1 min for iPad auto lock, 3 for the background task. I'm...