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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms.Maps;
namespace Xamarin.Forms.Controls
{
public class MapGallery : ContentPage
{
readonly StackLayout _stack;
public MapGallery ()
{
Device.OnPlatform (iOS: () => {
if (Device.Idiom == TargetIdiom.Tablet) {
Padding = new Thickness (0, 0, 0, 60);
}
});
var map = MakeMap ();
map.MoveToRegion (MapSpan.FromCenterAndRadius (new Position (41.890202, 12.492049), Distance.FromMiles (0.5)));
var searchAddress = new SearchBar { Placeholder = "Search Address" };
searchAddress.SearchButtonPressed += async (e, a) => {
var addressQuery = searchAddress.Text;
searchAddress.Text = "";
searchAddress.Unfocus ();
var positions = (await (new Geocoder ()).GetPositionsForAddressAsync (addressQuery)).ToList ();
if (!positions.Any ())
return;
var position = positions.First ();
map.MoveToRegion (MapSpan.FromCenterAndRadius (position,
Distance.FromMeters (4000)));
map.Pins.Add (new Pin {
Label = addressQuery,
Position = position,
Address = addressQuery
});
};
var buttonAddressFromPosition = new Button { Text = "Address From Position" };
buttonAddressFromPosition.Clicked += async (e, a) => {
var addresses = (await (new Geocoder ()).GetAddressesForPositionAsync (new Position (41.8902, 12.4923))).ToList ();
foreach (var ad in addresses)
Debug.WriteLine (ad);
};
var buttonZoomIn = new Button { Text = "Zoom In" };
buttonZoomIn.Clicked += (e, a) => map.MoveToRegion (map.VisibleRegion.WithZoom (5f));
var buttonZoomOut = new Button { Text = "Zoom Out" };
buttonZoomOut.Clicked += (e, a) => map.MoveToRegion (map.VisibleRegion.WithZoom (1 / 3f));
var mapTypeButton = new Button { Text = "Map Type" };
mapTypeButton.Clicked += async (e, a) => {
var result = await DisplayActionSheet ("Select Map Type", null, null, "Street", "Satellite", "Hybrid");
switch (result) {
case "Street":
map.MapType = MapType.Street;
break;
case "Satellite":
map.MapType = MapType.Satellite;
break;
case "Hybrid":
map.MapType = MapType.Hybrid;
break;
}
};
var buttonHome = new Button { Text = "Home" };
buttonHome.Clicked += (a, e) => {
map.MoveToRegion (MapSpan.FromCenterAndRadius (new Position (41.890202, 12.492049), Distance.FromMiles (0.5)));
};
_stack = new StackLayout {
Spacing = 0,
Padding = new Thickness (30, 0)
};
//stack.SetRowSpacing (1, 0);
Title = "Map Gallery";
var buttonZoomPin = new Button { Text = "Zoom Pin" };
buttonZoomPin.Clicked += (a, e) => {
var pos = new Position (41.011995, -8.642995);
map.Pins.Clear ();
map.Pins.Add (new Pin { Position = pos, Label = "Rui" });
map.MoveToRegion (MapSpan.FromCenterAndRadius (pos, Distance.FromMiles (0.5)));
};
map.VerticalOptions = LayoutOptions.FillAndExpand;
_stack.Children.Add (searchAddress);
_stack.Children.Add (map);
_stack.Children.Add (mapTypeButton);
_stack.Children.Add (buttonZoomIn);
_stack.Children.Add (buttonZoomOut);
_stack.Children.Add (buttonAddressFromPosition);
_stack.Children.Add (buttonHome);
_stack.Children.Add (buttonZoomPin);
Content = _stack;
}
public static Map MakeMap ()
{
Pin colosseum = null;
Pin pantheon = null;
Pin chapel = null;
var map = new Map {
IsShowingUser = false,
Pins = {
(colosseum = new Pin {
Type = PinType.Place,
Position = new Position (41.890202, 12.492049),
Label = "Colosseum",
Address = "Piazza del Colosseo, 00184 Rome, Province of Rome, Italy"
}),
(pantheon = new Pin {
Type = PinType.Place,
Position = new Position (41.898652, 12.476831),
Label = "Pantheon",
Address = "Piazza della Rotunda, 00186 Rome, Province of Rome, Italy"
}),
(chapel = new Pin {
Type = PinType.Place,
Position = new Position (41.903209, 12.454545),
Label = "Sistine Chapel",
Address = "Piazza della Rotunda, 00186 Rome, Province of Rome, Italy"
})
}
};
colosseum.Clicked += PinClicked;
pantheon.Clicked += PinClicked;
chapel.Clicked += PinClicked;
return map;
}
static void PinClicked (object sender, EventArgs e)
{
// yea!
}
}
}
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