protected override void OnElementChanged(ElementChangedEventArgs<View> e)
{
base.OnElementChanged(e);
var mapView = Control as MapView;
if (mapView == null)
return;
formsMap = Element as CustomMap;
if (formsMap != null && map == null)
{
mapView.GetMapAsync(this);
}
}
void CreateUI()
{
if (App.Self.MyPosition == null)
App.Self.MyPosition = new LatLong(53.43800, 2.96764);
var userLocation = App.Self.MyPosition.LastKnownLocation();
moveMapToUserLocationOnNextUpdate = true;
var initialLocation = userLocation ?? new LatLong(53.43800, 2.96764);
var mapStartPosition = new Position(initialLocation.Latitude, initialLocation.Longitude);
//BackgroundColor = App.Self.FaddedGreyText;
map = new CustomMap(new MapSpan(mapStartPosition, zoom, zoom))
{
HasZoomEnabled = true,
HasScrollEnabled = true,
HeightRequest = App.ScreenSize.Height * .35,
WidthRequest = App.ScreenSize.Width,
MapType = MapType.Hybrid,
IsShowingUser = true,
};
map.MoveToRegion(MapSpan.FromCenterAndRadius(mapStartPosition, DefaultMapDistance));
var imgPin = new Image
{
Source = "pin.png",
HeightRequest = 30,
WidthRequest = 30,
};
var mapXMidPos = (App.ScreenSize.Width / 2) - (imgPin.WidthRequest / 2);
var mapYMidPos = (map.HeightRequest / 2) - (imgPin.HeightRequest);
var imgPointer = new Image
{
Source = "mylocation.png",
WidthRequest = 30,
HeightRequest = 30,
};
var tapPointer = new TapGestureRecognizer
{
NumberOfTapsRequired = 1,
Command = new Command((a) =>
{
OnMoveToUserLocation();
})
};
imgPointer.GestureRecognizers.Add(tapPointer);
var relLayout = new RelativeLayout
{
WidthRequest = App.ScreenSize.Width,
HeightRequest = App.ScreenSize.Height * .35
};
relLayout.Children.Add(map, Constraint.Constant(0), Constraint.Constant(0));
relLayout.Children.Add(imgPin, Constraint.Constant(mapXMidPos), Constraint.Constant(mapYMidPos));
relLayout.Children.Add(new CustomRoundedBox { CornerRadius = 5, Color = Color.White, WidthRequest = 35, HeightRequest = 35, Opacity = .5 },
Constraint.Constant(App.ScreenSize.Width - 44),
Constraint.Constant(map.HeightRequest - 43));
relLayout.Children.Add(imgPointer, Constraint.Constant(App.ScreenSize.Width - 40),
Constraint.Constant(map.HeightRequest - 40));
int s = 0, pad = 0, up = -8;
double mult = .4;
double heightMutl = .45;
Device.OnPlatform(iOS: () =>
{
if (App.ScreenSize.Height > 568)
{
s = 0;
pad = 8;
heightMutl = .42;
}
else if (App.ScreenSize.Height == 568)
{
s = 4;
pad = 4;
heightMutl = .4;
}
else
{
s = 6;
pad = 8;
mult = .38;
heightMutl = .34;
up = -4;
}
},
Android: () =>
{
s = 2;
pad = 4;
heightMutl = .42;
});
var lblCarpark = new Label
{
Text = "You are here",
FontSize = 26 - s,
TextColor = Color.Blue,
HorizontalOptions = LayoutOptions.CenterAndExpand,
HorizontalTextAlignment = TextAlignment.Center
};
var lblDragMap = new Label
{
Text = "Drag to position",
FontSize = 14 - s + 2,
TextColor = Color.Blue,
HorizontalOptions = LayoutOptions.CenterAndExpand,
HorizontalTextAlignment = TextAlignment.Center,
};
var lblConfirm = new Label
{
Text = "Confirm",
FontSize = 12 - s + 3,
WidthRequest = App.ScreenSize.Width * mult,
HeightRequest = 28,
TextColor = Color.Blue,
HorizontalOptions = LayoutOptions.CenterAndExpand,
HorizontalTextAlignment = TextAlignment.Center,
VerticalTextAlignment = TextAlignment.Center,
};
map.PropertyChanged += (object sender, PropertyChangedEventArgs e) =>
{
if (e.PropertyName == "VisibleRegion" && uicompleted)
{
var mp = sender as Map;
if (map.VisibleRegion != null)
{
// do something with the change of position
}
}
};
var tapConfirm = new TapGestureRecognizer
{
NumberOfTapsRequired = 1,
Command = new Command(() => SaveLocation())
};
lblConfirm.GestureRecognizers.Add(tapConfirm);
var lblGPSMessage = new Label
{
Text = "GPS warning",
FontSize = 14 - s,
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.End,
HorizontalTextAlignment = TextAlignment.Center,
TextColor = App.Self.Grey
};
var midStack = new StackLayout()
{
WidthRequest = App.ScreenSize.Width * .8,
HeightRequest = App.ScreenSize.Height * .45,
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.Fill,
//BackgroundColor = App.Self.FaddedGreyText,
Children =
{
new StackLayout
{
Padding = new Thickness(0, pad, 0, pad),
Children = { lblCarpark }
},
new StackLayout
{
Padding = new Thickness(0, pad),
Children = { lblDragMap }
},
new StackLayout
{
Padding = new Thickness(0, pad, 0, 0),
Children = { lblConfirm }
},
}
};
var mainStack = new StackLayout
{
Orientation = StackOrientation.Vertical,
//BackgroundColor = App.Self.FaddedGreyText,
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
HeightRequest = App.ScreenSize.Height,
Children =
{
new StackLayout
{
HeightRequest = App.ScreenSize.Height * .4,
VerticalOptions = LayoutOptions.StartAndExpand,
Children =
{
new StackLayout
{
Padding = new Thickness(0, -6, 0, 8),
Children = { relLayout }
},
}
},
midStack,
new StackLayout
{
VerticalOptions = LayoutOptions.End,
//BackgroundColor = App.Self.FaddedGreyText,
Padding = new Thickness(0, up, 0, 0),
Children = { lblGPSMessage }
}
}
};
Content = mainStack;
uicompleted = true;
}
