static AwarenessFence CreateExercisingWithHeadphonesFence()
{
// DetectedActivityFence will fire when it detects the user performing the specified
// activity. In this case it's walking.
var walkingFence = DetectedActivityFence.During(DetectedActivityFence.ActivityType.Walking);
// There are lots of cases where it's handy for the device to know if headphones have been
// plugged in or unplugged. For instance, if a music app detected your headphones fell out
// when you were in a library, it'd be pretty considerate of the app to pause itself before
// the user got in trouble.
var headphoneFence = HeadphoneFence.During(HeadphoneState.PluggedIn);
#pragma warning disable 0219
// Combines multiple fences into a compound fence. While the first two fences trigger
// individually, this fence will only trigger its callback when all of its member fences
// hit a true state.
var notWalkingWithHeadphones = AwarenessFence.And(AwarenessFence.Not(walkingFence), headphoneFence);
#pragma warning restore 0219
// We can even nest compound fences. Using both "and" and "or" compound fences, this
// compound fence will determine when the user has headphones in and is engaging in at least
// one form of exercise.
// The below breaks down to "(headphones plugged in) AND (walking OR running OR bicycling)"
var exercisingWithHeadphonesFence = AwarenessFence.And(
headphoneFence,
AwarenessFence.Or(
walkingFence,
DetectedActivityFence.During(DetectedActivityFence.ActivityType.Running),
DetectedActivityFence.During(DetectedActivityFence.ActivityType.OnBicycle)));
return(exercisingWithHeadphonesFence);
}
private void UpdateRequestBuilder(int activityId, string activityName, ActivityPhase phase, FenceUpdateAction action, ref FenceUpdateRequestBuilder requestBuilder)
{
AwarenessFence fence = null;
if (phase == ActivityPhase.Starting)
{
fence = DetectedActivityFence.Starting(activityId);
}
else if (phase == ActivityPhase.During)
{
fence = DetectedActivityFence.During(activityId);
}
else if (phase == ActivityPhase.Stopping)
{
fence = DetectedActivityFence.Stopping(activityId);
}
else
{
SensusException.Report("Unknown activity phase: " + phase);
return;
}
UpdateRequestBuilder(fence, activityName + "." + phase, action, ref requestBuilder);
}
