private void StartTimer()
{
var dispatchSourceTimer = new DispatchSource.Timer(DispatchQueue.MainQueue);
var delay = 2 * NanosecondsInSecond;
var leeway = 5 * NanosecondsInSecond;
dispatchSourceTimer.SetTimer(DispatchTime.Now, delay, leeway);
dispatchSourceTimer.SetRegistrationHandler(() => PrintResult("Timer registered"));
dispatchSourceTimer.SetEventHandler(() => PrintResult("Timer tick"));
dispatchSourceTimer.SetCancelHandler(() => PrintResult("Timer stopped"));
dispatchSource = dispatchSourceTimer;
dispatchSource.Resume();
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
nonObservablePropertiesUpdateTimer.SetEventHandler(UpdateNonObservableProperties);
nonObservablePropertiesUpdateTimer.SetTimer(DispatchTime.Now, 1000000, 0);
nonObservablePropertiesUpdateTimer.Resume();
var options = NSKeyValueObservingOptions.Initial | NSKeyValueObservingOptions.New;
rateToken = Player.AddObserver("rate", options, RateChanged);
timeControlStatusToken = Player.AddObserver("timeControlStatus", options, timeControlStatusChanged);
reasonForWaitingToPlayToken = Player.AddObserver("reasonForWaitingToPlay", options, ReasonForWaitingToPlayChanged);
playbackLikelyToKeepUpToken = Player.AddObserver("currentItem.playbackLikelyToKeepUp", options, PlaybackLikelyToKeepUpChanged);
loadedTimeRangesToken = Player.AddObserver("currentItem.loadedTimeRanges", options, LoadedTimeRangesChanged);
playbackBufferFullToken = Player.AddObserver("currentItem.playbackBufferFull", options, PlaybackBufferFullChanged);
playbackBufferEmptyToken = Player.AddObserver("currentItem.playbackBufferEmpty", options, PlaybackBufferEmptyChanged);
}
public override void ViewDidUnload()
{
base.ViewDidUnload();
_timer?.SetEventHandler(null);
_timer?.Cancel();
/*
* If the timer is suspended, calling cancel without resuming
* triggers a crash. This is documented here https://forums.developer.apple.com/thread/15902
*/
if (!timerRunning ?? false)
{
_timer?.Resume();
}
_timer?.Dispose();
}
public override async void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
await CheckAndRequestPermissionAsync(new Permissions.LocationAlways());
_timer = new DispatchSource.Timer(DispatchQueue.GetGlobalQueue(DispatchQueuePriority.Background));
_timer.SetEventHandler(async() =>
{
var location = await Geolocation.GetLocationAsync(new GeolocationRequest()
{
Timeout = TimeSpan.FromSeconds(5),
DesiredAccuracy = GeolocationAccuracy.Best
});
System.Diagnostics.Debug.WriteLine($"{location?.Latitude}, {location?.Longitude}, {DateTime.Now}");
});
}