/// <summary>
/// Search dữ liệu
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void SearchMap(string addr, string name)
{
try
{
var geocoder = new Xamarin.Forms.GoogleMaps.Geocoder();
var positions = await geocoder.GetPositionsForAddressAsync(addr);
if (positions != null && positions.Count() > 0)
{
if (map.Pins.Count > 0)
{
map.Pins.Clear();
}
var pos = positions.First();
map.MoveToRegion(MapSpan.FromCenterAndRadius(pos, Distance.FromMeters(1000)));
Pin pinLocation = new Pin()
{
Type = PinType.Place,
Label = name,
Address = addr,
Position = pos
};
Position.Text = $"Tọa độ - {PrintPin(pinLocation)}";
if (model != null)
{
model.Position = pos;
}
pinLocation.IsDraggable = true;
map.Pins.Add(pinLocation);
map.SelectedPin = pinLocation;
}
else
{
await this.DisplayAlert("Not found", "Geocoder returns no results", "Close");
}
}catch (Exception e)
{
var answer = await DisplayAlert("Error", "Ấn \"Yes\" để reload lại map hoặc \"No\" để quay trở lại", "Yes", "No");
if (answer)
{
SearchMap(model.Addr, model.Name);
}
else
{
UserDialogs.Instance.Toast("Không có dữ liệu tọa độ của club");
if (model != null)
{
model.BackPage();
}
}
}
}
public async void GeoCode(String address)
{
var geocoder = new Xamarin.Forms.GoogleMaps.Geocoder();
var positions = await geocoder.GetPositionsForAddressAsync(address);
if (positions.Count() > 0)
{
var pos = positions.First();
map.MoveToRegion(MapSpan.FromCenterAndRadius(pos, Distance.FromMeters(5000)));
var reg = map.VisibleRegion;
//var format = "0.00";
//labelStatus.Text = $"Center = {reg.Center.Latitude.ToString(format)}, {reg.Center.Longitude.ToString(format)}";
}
else
{
//await this.DisplayAlert("Not found", "No results", "Close");
//Debug.WriteLine("Geocoder returns no results");
}
}
public BasicMapPage()
{
InitializeComponent();
// MapTypes
var mapTypeValues = new List <MapType>();
foreach (var mapType in Enum.GetValues(typeof(MapType)))
{
mapTypeValues.Add((MapType)mapType);
pickerMapType.Items.Add(Enum.GetName(typeof(MapType), mapType));
}
pickerMapType.SelectedIndexChanged += (sender, e) =>
{
map.MapType = mapTypeValues[pickerMapType.SelectedIndex];
};
pickerMapType.SelectedIndex = 0;
// ZoomEnabled
switchHasZoomEnabled.Toggled += (sender, e) =>
{
map.HasZoomEnabled = e.Value;
};
switchHasZoomEnabled.IsToggled = map.HasZoomEnabled;
// ScrollEnabled
switchHasScrollEnabled.Toggled += (sender, e) =>
{
map.HasScrollEnabled = e.Value;
};
switchHasScrollEnabled.IsToggled = map.HasScrollEnabled;
// IsShowingUser
switchIsShowingUser.Toggled += (sender, e) =>
{
map.IsShowingUser = e.Value;
};
switchIsShowingUser.IsToggled = map.IsShowingUser;
// Map Clicked
map.MapClicked += (sender, e) =>
{
var lat = e.Point.Latitude.ToString("0.000");
var lng = e.Point.Longitude.ToString("0.000");
this.DisplayAlert("MapClicked", $"{lat}/{lng}", "CLOSE");
};
// Map Long clicked
map.MapLongClicked += (sender, e) =>
{
var lat = e.Point.Latitude.ToString("0.000");
var lng = e.Point.Longitude.ToString("0.000");
this.DisplayAlert("MapLongClicked", $"{lat}/{lng}", "CLOSE");
};
// Geocode
buttonGeocode.Clicked += async(sender, e) =>
{
var geocoder = new Xamarin.Forms.GoogleMaps.Geocoder();
var positions = await geocoder.GetPositionsForAddressAsync(entryAddress.Text);
if (positions.Count() > 0)
{
var pos = positions.First();
map.MoveToRegion(MapSpan.FromCenterAndRadius(pos, Distance.FromMeters(5000)));
var reg = map.VisibleRegion;
var format = "0.00";
labelStatus.Text = $"Center = {reg.Center.Latitude.ToString(format)}, {reg.Center.Longitude.ToString(format)}";
}
else
{
await this.DisplayAlert("Not found", "Geocoder returns no results", "Close");
}
};
}
public BasicMapPage()
{
InitializeComponent();
// MapTypes
var mapTypeValues = new List <MapType>();
foreach (var mapType in Enum.GetValues(typeof(MapType)))
{
mapTypeValues.Add((MapType)mapType);
pickerMapType.Items.Add(Enum.GetName(typeof(MapType), mapType));
}
pickerMapType.SelectedIndexChanged += (sender, e) =>
{
map.MapType = mapTypeValues[pickerMapType.SelectedIndex];
};
pickerMapType.SelectedIndex = 0;
// ZoomEnabled
switchHasZoomEnabled.Toggled += (sender, e) =>
{
map.HasZoomEnabled = e.Value;
};
switchHasZoomEnabled.IsToggled = map.HasZoomEnabled;
// ScrollEnabled
switchHasScrollEnabled.Toggled += (sender, e) =>
{
map.HasScrollEnabled = e.Value;
};
switchHasScrollEnabled.IsToggled = map.HasScrollEnabled;
// IsShowingUser
switchIsShowingUser.Toggled += (sender, e) =>
{
map.IsShowingUser = e.Value;
};
switchIsShowingUser.IsToggled = map.IsShowingUser;
// IsTrafficEnabled
switchIsTrafficEnabled.Toggled += (sender, e) =>
{
map.IsTrafficEnabled = e.Value;
};
switchIsTrafficEnabled.IsToggled = map.IsTrafficEnabled;
SwitchIndoorEnabled.Toggled += (sender, e) =>
{
map.IsIndoorEnabled = e.Value;
};
SwitchIndoorEnabled.IsToggled = map.IsIndoorEnabled;
// Map Clicked
map.MapClicked += (sender, e) =>
{
var lat = e.Point.Latitude.ToString("0.000");
var lng = e.Point.Longitude.ToString("0.000");
this.DisplayAlert("MapClicked", $"{lat}/{lng}", "CLOSE");
};
// Map Long clicked
map.MapLongClicked += (sender, e) =>
{
var lat = e.Point.Latitude.ToString("0.000");
var lng = e.Point.Longitude.ToString("0.000");
this.DisplayAlert("MapLongClicked", $"{lat}/{lng}", "CLOSE");
};
// Map MyLocationButton clicked
map.MyLocationButtonClicked += (sender, args) =>
{
args.Handled = switchHandleMyLocationButton.IsToggled;
if (switchHandleMyLocationButton.IsToggled)
{
this.DisplayAlert("MyLocationButtonClicked",
"If set MyLocationButtonClickedEventArgs.Handled = true then skip obtain current location",
"OK");
}
};
map.CameraChanged += (sender, args) =>
{
var p = args.Position;
labelStatus.Text = $"Lat={p.Target.Latitude:0.00}, Long={p.Target.Longitude:0.00}, Zoom={p.Zoom:0.00}, Bearing={p.Bearing:0.00}, Tilt={p.Tilt:0.00}";
};
// Geocode
buttonGeocode.Clicked += async(sender, e) =>
{
var geocoder = new Xamarin.Forms.GoogleMaps.Geocoder();
var positions = await geocoder.GetPositionsForAddressAsync(entryAddress.Text);
if (positions.Count() > 0)
{
var pos = positions.First();
map.MoveToRegion(MapSpan.FromCenterAndRadius(pos, Distance.FromMeters(5000)));
var reg = map.VisibleRegion;
var format = "0.00";
labelStatus.Text = $"Center = {reg.Center.Latitude.ToString(format)}, {reg.Center.Longitude.ToString(format)}";
}
else
{
await this.DisplayAlert("Not found", "Geocoder returns no results", "Close");
}
};
// Snapshot
buttonTakeSnapshot.Clicked += async(sender, e) =>
{
var stream = await map.TakeSnapshot();
imageSnapshot.Source = ImageSource.FromStream(() => stream);
};
}