public LoadingPage(RootPage rootPage)
{
_rootPage = rootPage;
NavigationPage.SetHasNavigationBar(this, false);
//TODO : Inject ForecastService
_viewModel = new LoadingViewModel(Navigation, new ForecastService(new OpenWeatherMapService(new HttpClient())), rootPage);
BindingContext = _viewModel;
var statusMessageLabel = new LargeLabel {
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
TextColor = Color.White,
};
statusMessageLabel.SetBinding <LoadingViewModel> (Label.TextProperty, vm => vm.StatusMessage);
var stackLayout = new StackLayout {
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Spacing = 10
};
var loadingImage = new Image();
loadingImage.SetBinding <LoadingViewModel> (Image.SourceProperty, vm => vm.LoadingImage);
var refreshButton = new Button {
Text = "Refresh", HorizontalOptions = LayoutOptions.Center
};
refreshButton.SetBinding <LoadingViewModel> (Button.CommandProperty, vm => vm.GetForecastCommand);
refreshButton.SetBinding <LoadingViewModel> (VisualElement.IsVisibleProperty, vm => vm.IsRefreshButtonVisible);
var activityIndicator = new ActivityIndicator {
IsRunning = true
};
activityIndicator.SetBinding <LoadingViewModel> (VisualElement.IsVisibleProperty, vm => vm.IsActivityIndicatorVisible);
stackLayout.Children.Add(loadingImage);
stackLayout.Children.Add(statusMessageLabel);
stackLayout.Children.Add(activityIndicator);
stackLayout.Children.Add(refreshButton);
Content = stackLayout;
}
public LoadingPage(RootPage rootPage)
{
_rootPage = rootPage;
NavigationPage.SetHasNavigationBar (this, false);
//TODO : Inject ForecastService
_viewModel = new LoadingViewModel (Navigation, new ForecastService (new OpenWeatherMapService (new HttpClient ())), rootPage);
BindingContext = _viewModel;
var statusMessageLabel = new LargeLabel {
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
TextColor = Color.White,
};
statusMessageLabel.SetBinding<LoadingViewModel> (Label.TextProperty, vm => vm.StatusMessage);
var stackLayout = new StackLayout {
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
Spacing = 10
};
var loadingImage = new Image ();
loadingImage.SetBinding<LoadingViewModel> (Image.SourceProperty, vm => vm.LoadingImage);
var refreshButton = new Button{ Text = "Refresh", HorizontalOptions = LayoutOptions.Center };
refreshButton.SetBinding<LoadingViewModel> (Button.CommandProperty, vm => vm.GetForecastCommand);
refreshButton.SetBinding<LoadingViewModel> (VisualElement.IsVisibleProperty, vm => vm.IsRefreshButtonVisible);
var activityIndicator = new ActivityIndicator{ IsRunning = true };
activityIndicator.SetBinding<LoadingViewModel> (VisualElement.IsVisibleProperty, vm => vm.IsActivityIndicatorVisible);
stackLayout.Children.Add (loadingImage);
stackLayout.Children.Add (statusMessageLabel);
stackLayout.Children.Add (activityIndicator);
stackLayout.Children.Add (refreshButton);
Content = stackLayout;
}
public LoadingViewModel (INavigation navigation, IForecastService forecastService, RootPage rootPage)
{
this.rootPage = rootPage;
_navigation = navigation;
_forecastService = forecastService;
LoadingImage = "Radar.png";
IsRefreshButtonVisible = false;
IsActivityIndicatorVisible = false;
Setup ();
if (_geolocator.IsGeolocationEnabled) {
GetForecastAsync ();
} else {
StatusMessage = "GPS is disabled, please enable GPS and refresh.";
IsRefreshButtonVisible = true;
}
}
public LoadingViewModel(INavigation navigation, IForecastService forecastService, RootPage rootPage)
{
this.rootPage = rootPage;
_navigation = navigation;
_forecastService = forecastService;
LoadingImage = "Radar.png";
IsRefreshButtonVisible = false;
IsActivityIndicatorVisible = false;
Setup();
if (_geolocator.IsGeolocationEnabled)
{
GetForecastAsync();
}
else
{
StatusMessage = "GPS is disabled, please enable GPS and refresh.";
IsRefreshButtonVisible = true;
}
}
public ForecastPage(RootPage rootPage, Forecast forecast)
{
this._rootPage = rootPage;
_forecast = forecast;
BindingContext = new ForecastViewModel(Navigation, _forecast);
NavigationPage.SetHasNavigationBar(this, false);
var masterGrid = new Grid {
RowDefinitions = new RowDefinitionCollection {
new RowDefinition {
Height = new GridLength(0.3, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(0.3, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(0.4, GridUnitType.Star)
}
},
ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
}
}
};
var forecastListview = new ListView();
var forecastListviewItemTemplate = new DataTemplate(typeof(ImageCell));
forecastListviewItemTemplate.SetBinding(ImageCell.TextProperty, "ItemTemplateTextProperty");
forecastListviewItemTemplate.SetValue(ImageCell.TextColorProperty, Color.FromHex("#3498DB"));
forecastListviewItemTemplate.SetBinding(ImageCell.DetailProperty, "ItemTemplateDetailProperty");
forecastListviewItemTemplate.SetValue(ImageCell.DetailColorProperty, Color.White);
forecastListviewItemTemplate.SetBinding(ImageCell.ImageSourceProperty, "Icon");
forecastListview.ItemTemplate = forecastListviewItemTemplate;
forecastListview.SetBinding <ForecastViewModel> (ListView.ItemsSourceProperty, vm => vm.WeatherList);
var refreshImage = new ImageButton()
{
Image = "Refresh",
ImageHeightRequest = 70,
ImageWidthRequest = 70,
BorderColor = Color.Transparent,
VerticalOptions = LayoutOptions.Start,
BackgroundColor = Color.Transparent
};
refreshImage.Clicked += (object sender, EventArgs e) => {
_rootPage.ShowLoadingDialog();
};
var topGrid = new Grid {
RowDefinitions = new RowDefinitionCollection {
new RowDefinition {
Height = new GridLength(1, GridUnitType.Star)
}
},
ColumnDefinitions = new ColumnDefinitionCollection {
new ColumnDefinition {
Width = new GridLength(0.8, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(0.2, GridUnitType.Star)
},
}
};
topGrid.Children.Add(CreateForecastStatusStackLayout(), 0, 0);
topGrid.Children.Add(refreshImage, 1, 0);
masterGrid.Children.Add(topGrid, 0, 0);
masterGrid.Children.Add(CreateMiddleStackLayout(), 0, 1);
masterGrid.Children.Add(forecastListview, 0, 2);
Content = masterGrid;
}