InAppBillingPlugin

Cross-platform In App Billing Plugin for .NET

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Project maintained by jamesmontemagno Hosted on GitHub Pages — Theme by mattgraham

Get Product Details

After creating the in-app purchase items in the respective app store you can then get information that you filled out for them. The items must be live in the store to properly grab the information.

/// <summary>
/// Get product information of a specific product
/// </summary>
/// <param name="itemType">Type of product offering</param>
/// <param name="productIds">Sku or Id of the product(s)</param>
/// <returns>List of products</returns>
Task<IEnumerable<InAppBillingProduct>> GetProductInfoAsync(ItemType itemType, params string[] productIds);

Note that you have to specify an ItemType for each call. This means you have to query your InAppPurchase and Subscription items in multiple calls to the API. Additionally, the productIds must be specified in the app, there is no way to query the In-App Billing service to just say “give me everything”.

You will receive back a list of your products that you specified the productIds for with common information including:

public class InAppBillingProduct
{
    /// <summary>
    /// Name of the product
    /// </summary>
    public string Name { get; set; }

    /// <summary>
    /// Description of the product
    /// </summary>
    public string Description { get; set; }


    /// <summary>
    /// Product ID or sku
    /// </summary>
    public string ProductId { get; set; }

    /// <summary>
    /// Localized Price (not including tax)
    /// </summary>
    public string LocalizedPrice { get; set; }

    /// <summary>
    /// ISO 4217 currency code for price. For example, if price is specified in British pounds sterling is "GBP".
    /// </summary>
    public string CurrencyCode { get; set; }

    /// <summary>
    /// Price in micro-units, where 1,000,000 micro-units equal one unit of the 
    /// currency. For example, if price is "€7.99", price_amount_micros is "7990000". 
    /// This value represents the localized, rounded price for a particular currency.
    /// </summary>
    public Int64 MicrosPrice { get; set; }

    /// <summary>
    /// Extra information for apple platforms
    /// </summary>
    public InAppBillingProductAppleExtras AppleExtras { get; set; } = null;
    /// <summary>
    /// Extra information for Android platforms
    /// </summary>
    public InAppBillingProductAndroidExtras AndroidExtras { get; set; } = null;
    /// <summary>
    /// Extra information for Windows platforms
    /// </summary>
    public InAppBillingProductWindowsExtras WindowsExtras { get; set; } = null;

}

This information should be enough for most users, however there are all sorts of special things that each platforms return. That is why there are AppleExtras, AndroidExtras, and WindowsExtras. Each of these return special properties for things like discounts, sales, introductory offers, and subscription group information.

Example:

var billing = CrossInAppBilling.Current;
try
{ 
    
    var productIds = new string []{"mysku","mysku2"};
    //You must connect
    var connected = await billing.ConnectAsync();

    if (!connected)
    {
        //Couldn't connect
        return;
    }

    //check purchases

    var items = await billing.GetProductInfoAsync(ItemType.InAppPurchase, productIds);

    foreach(var item in items)
    {
        //item info here.
    }
}
catch(InAppBillingPurchaseException pEx)
{
    //Handle IAP Billing Exception
}
catch (Exception ex)
{
    //Something has gone wrong
}
finally
{    
    await billing.DisconnectAsync();
}

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