UserActivityChannel.GetSessionHistoryItemsForUserActivityAsync Method

Reference

Definition

Namespace:: Windows.ApplicationModel.UserActivities

Important

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Edit

Gets the session history for a user activity.

public:
 virtual IAsyncOperation<IVector<UserActivitySessionHistoryItem ^> ^> ^ GetSessionHistoryItemsForUserActivityAsync(Platform::String ^ activityId, DateTime startTime) = GetSessionHistoryItemsForUserActivityAsync;

/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<IVector<UserActivitySessionHistoryItem>> GetSessionHistoryItemsForUserActivityAsync(winrt::hstring const& activityId, DateTime const& startTime);

[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<IList<UserActivitySessionHistoryItem>> GetSessionHistoryItemsForUserActivityAsync(string activityId, System.DateTimeOffset startTime);

function getSessionHistoryItemsForUserActivityAsync(activityId, startTime)

Public Function GetSessionHistoryItemsForUserActivityAsync (activityId As String, startTime As DateTimeOffset) As IAsyncOperation(Of IList(Of UserActivitySessionHistoryItem))

Parameters

activityId: String
Platform::String

winrt::hstring

Identifies the user activity to get session history for.

startTime: DateTime DateTimeOffset

Get user activity sessions that were active between startTime and now.

Returns

IAsyncOperation<IVector<UserActivitySessionHistoryItem>>

IAsyncOperation<IList<UserActivitySessionHistoryItem>>

A list of user activity session objects that were active during the specified time for the specified user activity.

Attributes: RemoteAsyncAttribute

Windows requirements

Device family	Windows 10, version 1803 (introduced in 10.0.17134.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v6.0)

Examples

private async void GetMostRecentActivity()
{
    UserActivityChannel channel = UserActivityChannel.GetDefault();

    // Gets the 10 most recently engaged UserActivity objects, sorted by engagement EndTime (null EndTimes sort first)
    IList<UserActivitySessionHistoryItem> recentActivity = await channel. GetRecentUserActivitiesAsync(maxUniqueActivities: 10);

    foreach (var activity in recentActivity)
    {
        var engagements = await channel.GetSessionHistoryItemsForUserActivityAsync(activity.UserActivity.ActivityId, new DateTimeOffset(DateTime.Now, TimeSpan.FromDays(1)));

        long totalEngagementTime = 0;
        foreach(var e in engagements)
        {
            if (e.EndTime != null) // EndTime may be null for active UserActivities
            {
                totalEngagementTime += e.EndTime.Value.Ticks - e.StartTime.Ticks);
            }
            // App specific code to display the activity engagement time
        }
    }
}

Applies to

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