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Xamarin Forms in Action
Medchest Assistant
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Project architecture. PCL
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Xamarin Forms. Init
Android project:
global::Xamarin.Forms.Forms.Init (this, bundle);
iOS project:
global::Xamarin.Forms.Forms.Init ();
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Xamarin Forms XAML
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Xamarin Forms XAML
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Xamarin Forms Bindings
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Platfrom
specific
designers
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No XAML
Designer
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Platform Specific. Common Interface
namespace MedChestAssistant
{
public interface INotificationHelper
{
void notify(String message);
}
}
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Platform Specific. Interface Implementation
[assembly: Xamarin.Forms.Dependency (typeof (NotificationHelperImpl))]
namespace MedChestAssistant.iOS
{
public class NotificationHelperImpl: INotificationHelper
{
#region INotificationHelper implementation
public void notify (string message)
{
var notification = new UILocalNotification();
// set notification params …
UIApplication.SharedApplication.ScheduleLocalNotification(notification);
}
#endregion
public NotificationHelperImpl ()
{
}
}
}
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NuGet packages
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Packages in
project tree
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Platform-specific initialisation
Android:
ZXing.Mobile.MobileBarcodeScanner.Initialize (Application);
iOS:
ZXing.Net.Mobile.Forms.iOS.Platform.Init();
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iOS-specific notifications setup
if (UIDevice.CurrentDevice.CheckSystemVersion (8, 0)) {
var notificationSettings = UIUserNotificationSettings.GetSettingsForTypes (
UIUserNotificationType.Alert | UIUserNotificationType.Badge |
UIUserNotificationType.Sound, null
);
app.RegisterUserNotificationSettings (notificationSettings);
}