how to add in app purchase in my application

I want to use in app purchase application in my application but i have no more knowl开发者_如何学运维edge how to do this. any body help me how to do and where is source code is available. give me link or code.

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Here are a bunch of links:

• In App Purchase Programming Guide
• StoreKit framework reference
• UrbanAirship.com (A site that offers a more convenient API than StoreKit)
• The One Resource

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There is the full set of articles how to do it with good explanation. This should be good for starting:

• All About In-App Purchases Part 1: Displaying Store Items
• All About In-App Purchases Part 2: Selling The Goods
• All About In-App Purchases Part 3: Anti-Piracy Measures
• All About In-App Purchases Part 4: iTunes Connect

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I found this interesting article giving 5 tips if you want to add in-app purchase

• TIP 1 - Let the user win coins
• TIP 2 - Give the user Bonus Coins
• TIP 3 - Make Every Purchase a Reason to Purchase More
• TIP 4 - Implement at least two currencies
• TIP 5 - Make an Evolving Store