How to bind data object in Xamarin.Forms DataForm(SfDataForm) using Prism framework?

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The SfDataForm allows you to work with Prism framework. To achieve this, follow these steps:

Step 1: Install the Prism Unity Forms NuGet package in your shared code project.

Step 2: Inherit the App.xaml and App.xaml.cs files from PrismApplication instead of Application.

XAML

<prism:PrismApplication
            xmlns:prism="clr-namespace:Prism.Unity;assembly=Prism.Unity.Forms"
            xmlns="http://xamarin.com/schemas/2014/forms"
            xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
            x:Class="DataFormXamarin.App">
    <Application.Resources>
    </Application.Resources>
</prism:PrismApplication>

public partial class App : PrismApplication
{
        public App(IPlatformInitializer initializer = null) : base(initializer) { }
        protected override async void OnInitialized()
        {
            InitializeComponent();
 
            await NavigationService.NavigateAsync("DataFormPage");
        }
        protected override void RegisterTypes(IContainerRegistry containerRegistry)
        {
        }
}

Step 3: Add platform initializers to each cross-platform project. Create a new class that implements IPlatformInitializer and pass it to the LoadApplication method on each platform.

Android

public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity
{
    protected override void OnCreate(Bundle savedInstanceState)
    {
        TabLayoutResource = Resource.Layout.Tabbar;
        ToolbarResource = Resource.Layout.Toolbar;
 
        base.OnCreate(savedInstanceState);
        global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
        LoadApplication(new App(new AndroidInitializer()));
    }
}
 
public class AndroidInitializer : IPlatformInitializer
{
    public void RegisterTypes(IContainerRegistry containerRegistry)
    {
        // Register any platform specific implementations
    }
}

iOS

public partial class AppDelegate : global::Xamarin.Forms.Platform.iOS.FormsApplicationDelegate
{
    //
    // This method is invoked when the application has loaded and is ready to run. In this 
    // Method you should instantiate the window, load the UI into it and then make the window
    // Visible
    //
    // You have 17 seconds to return from this method, or iOS will terminate your application
    //
    public override bool FinishedLaunching(UIApplication app, NSDictionary options)
    {
        global::Xamarin.Forms.Forms.Init();
        SfDataFormRenderer.Init();
        LoadApplication(new App(new iOSInitializer()));
 
        return base.FinishedLaunching(app, options);
    }
 
    public class iOSInitializer : IPlatformInitializer
    {
        public void RegisterTypes(IContainerRegistry containerRegistry)
        {
            // Register any platform specific implementations
        }
    }
}

UWP

public sealed partial class MainPage
{
    public MainPage()
    {
        this.InitializeComponent();
 
        LoadApplication(new DataFormXamarin.App(new UwpInitializer()));
    }
}
 
public class UwpInitializer : IPlatformInitializer
{
    public void RegisterTypes(IContainerRegistry containerRegistry)
    {
        // Register any platform specific implementations
    }
}

Step 4: In App.xaml.cs file, register the View and respective ViewModel pages.

  protected override void RegisterTypes(IContainerRegistry containerRegistry)
  {
        containerRegistry.RegisterForNavigation<DataFormPage, DataFormViewModel>();
  }

Step 5: Bind data to the DataForm’s DataObject property without mentioning the binding context.

<dataForm:SfDataForm x:Name="dataForm" 
                                 LayoutOptions="TextInputLayout" 
                                 DataObject="{Binding ContactsInfo}"/>

Download the sample from GitHub.

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How to bind data object in Xamarin.Forms DataForm(SfDataForm) using Prism framework?

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