Detect if user Idle on windows universal app

Question

I'm developing a class library for windows 10 universal apps (mobile and desktop device families only). I need to invoke an event if the user has been idle(no touch, mouse move, key press etc) for x number of seconds. This method can be used to solves this problem on android. But I couldn't find a solution on windows UWP.

Is there an API available in UWP to achieve this?

Hi, Check this answer. https://stackoverflow.com/a/41194976/776075 — SurenSaluka, Jul 05 '18 at 12:37

score 8 · Accepted Answer · answered Jul 01 '15 at 05:23

You can detect global input with various events on the app's CoreWindow:

Touch and mouse input with CoreWindow.PointerPressed, PointerMoved, and PointerReleased.

Keyboard input: KeyUp and KeyDown (the soft keys) and CharacterReceived (for characters generated via chords & text suggestions)

Use these to detect the user is active and idle out if it goes too long without any of these events.

score 2 · Answer 2 · edited Sep 07 '21 at 18:42

2

I know this is really old question, but I think you can now get to same result with RegisterBackgroundTask

Just set:

new TimeTrigger(15, false) //For time trigger

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new SystemCondition(SystemConditionType.UserNotPresent)) //And so you want to know so user is not present

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Example usage in App.xaml.cs:

var builder = new BackgroundTaskBuilder();
builder.Name = "Is user Idle";
builder.SetTrigger(new TimeTrigger(2, false)); //two mins
builder.AddCondition(new SystemCondition(SystemConditionType.UserNotPresent));
// Do not set builder.TaskEntryPoint for in-process background tasks
// Here we register the task and work will start based on the time trigger.
BackgroundTaskRegistration task = builder.Register();
task.Completed += (sender, args) =>
{
    //Handle user not present (Idle) here.
};

edited Sep 07 '21 at 18:42

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answered Sep 05 '21 at 19:44

TekuSP

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Please provide additional details in your answer. As it's currently written, it's hard to understand your solution. – Community Sep 05 '21 at 20:18
Added solution example. – TekuSP Sep 06 '21 at 09:01
The `TimeTrigger` Class has a minimum value which is `15` minutes. You could not set a time interval that less than `15` minutes to the `TimeTrigger`. This is mentioned here: `TimeTrigger.FreshnessTime Property` – NoWar Nov 12 '21 at 07:53

Detect if user Idle on windows universal app

2 Answers2

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