protected override void OnPause()
{
base.OnPause();
if (locationInitialised)
{
_locationManager.RemoveUpdates(this);
}
}
public void StopLocationUpdates()
{
var providers = ListeningProviders;
for (var i = 0; i < providers.Count; i++)
{
try
{
_locationManager.RemoveUpdates(this);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Unable to remove updates: " + ex);
}
}
}
protected override void OnResume()
{
base.OnResume();
locMgr = GetSystemService(Context.LocationService) as LocationManager;
#if DEBUG
// 利用可能な LocationManager の Provider とオンオフをチェック
foreach (var item in locMgr.AllProviders)
{
Log.Debug("NetworkList", "Provider: " + item.ToString());
Log.Debug("NetworkList", "Avalable: " + locMgr.IsProviderEnabled(item.ToString()));
}
#endif
button.Click += (sender, e) =>
{
if (button.Text.ToUpper() == "GET LOCATION")
{
button.Text = "Location Service Running";
if (locMgr.AllProviders.Contains(LocationManager.NetworkProvider)
&& locMgr.IsProviderEnabled(LocationManager.NetworkProvider))
{
// Network: Wifi と 3G で位置情報を取得します。電池使用量は少ないですが精度にばらつきがあります。
Log.Debug(tag, "Starting location updates with Network");
locMgr.RequestLocationUpdates(LocationManager.NetworkProvider, 10000, 10, this);
}
else
{
// GetBestProvider で最適な Provider を利用できるようです。(Network があればそれが Best になるようです。)
var locationCriteria = new Criteria();
locationCriteria.Accuracy = Accuracy.Coarse;
locationCriteria.PowerRequirement = Power.Medium;
string locationProvider = locMgr.GetBestProvider(locationCriteria, true);
Log.Debug(tag, "Starting location updates with " + locationProvider.ToString());
locMgr.RequestLocationUpdates(locationProvider, 10000, 10, this);
}
}
else
{
Log.Debug(tag, "Stop locMgr manually");
locMgr.RemoveUpdates(this);
button.Text = "Get Location";
}
};
}
/// <summary>
/// Stops the location update.
/// </summary>
public void StopLocationUpdate()
{
locationManager.RemoveUpdates(this);
}
