void OnSelection(object sender, SelectedItemChangedEventArgs e)
{
if (e.SelectedItem == null)
{
return; //ItemSelected is called on deselection, which results in SelectedItem being set to null
}
var sampleName = e.SelectedItem.ToString();
var sample = allSamples.FirstOrDefault(x => x.Name == sampleName);
if (sample != null)
{
Catch.Exceptions(async() =>
{
await sample.SetupAsync(mapView);
});
}
clicker = null;
if (sample is IFormsSample formsSample)
{
clicker = formsSample.OnClick;
}
listView.SelectedItem = null;
}
private UIElement CreateRadioButton(ISampleBase sample)
{
var radioButton = new RadioButton
{
FontSize = 16,
Content = sample.Name,
Margin = new Thickness(4)
};
radioButton.Click += (s, a) => {
Catch.Exceptions(async() =>
{
MapControl.Map?.Layers.Clear();
await sample.SetupAsync(MapControl);
MapControl.Info += MapControlOnInfo;
if (MapControl.Map != null)
{
LayerList.Initialize(MapControl.Map.Layers);
}
});
};
return(radioButton);
}
public MapPage(ISampleBase sample, Func <MapView?, MapClickedEventArgs, bool>?c = null)
{
InitializeComponent();
// nullable warning workaround
var test = this.mapView ?? throw new InvalidOperationException();
var test1 = this.info ?? throw new InvalidOperationException();
mapView !.RotationLock = false;
mapView.UnSnapRotationDegrees = 30;
mapView.ReSnapRotationDegrees = 5;
mapView.PinClicked += OnPinClicked;
mapView.MapClicked += OnMapClicked;
Compass.ReadingChanged += Compass_ReadingChanged;
mapView.MyLocationLayer.UpdateMyLocation(new Mapsui.UI.Maui.Position());
mapView.Info += MapView_Info;
mapView.Renderer.WidgetRenders[typeof(CustomWidget.CustomWidget)] = new CustomWidgetSkiaRenderer();
_ = Task.Run(StartGPS);
try
{
if (!Compass.IsMonitoring)
{
Compass.Start(SensorSpeed.Default);
}
}
catch (Exception) { }
Catch.Exceptions(async() =>
{
await sample.SetupAsync(mapView);
});
Clicker = c;
}
private UIElement CreateRadioButton(ISampleBase sample)
{
var radioButton = new RadioButton
{
FontSize = 16,
Content = sample.Name,
Margin = new Thickness(4)
};
radioButton.Click += (_, _) => {
Catch.Exceptions(async() =>
{
MapControl.Map?.Layers.Clear();
MapControl.Info -= MapOnInfo;
await sample.SetupAsync(MapControl);
MapControl.Info += MapOnInfo;
MapControl.Refresh();
});
};
return(radioButton);
}
protected override void OnCreate(Android.OS.Bundle?savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
var toolbar = FindViewById <AndroidX.AppCompat.Widget.Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
// Hack to tell the platform independent samples where the files can be found on Android.
MbTilesSample.MbTilesLocation = MbTilesLocationOnAndroid;
MbTilesHelper.DeployMbTilesFile(s => File.Create(System.IO.Path.Combine(MbTilesLocationOnAndroid, s)));
_mapControl = FindViewById <MapControl>(Resource.Id.mapcontrol) ?? throw new NullReferenceException();
_mapControl.Map = MbTilesSample.CreateMap();
_mapControl.Info += MapOnInfo;
_mapControl.Map.RotationLock = true;
_mapControl.UnSnapRotationDegrees = 30;
_mapControl.ReSnapRotationDegrees = 5;
_mapControl.Renderer.WidgetRenders[typeof(CustomWidget.CustomWidget)] = new CustomWidgetSkiaRenderer();
var relativeLayout = FindViewById <RelativeLayout>(Resource.Id.mainLayout) ?? throw new NullReferenceException();;
_popup?.Dispose();
relativeLayout.AddView(_popup = CreatePopup());
_mapControl.Map.Layers.Clear();
var sample = new MbTilesOverlaySample();
Catch.Exceptions(async() =>
{
await sample.SetupAsync(_mapControl);
});
//_mapControl.Info += MapControlOnInfo;
//LayerList.Initialize(_mapControl.Map.Layers);
}