Android payment processing through paypal/credit card

How to process the payme开发者_开发百科nt by paypal/credit card from a android app? Right now I have been converting an online website into an android app. And the final process is processing paypal/credit card payment. I don't know how to go about this.

If you want to continue with Paypal then this link will help you

read (1,2,3 article) & download pay[pal API from it https://www.x.com/docs/DOC-2991 This api also have source code with it.

You should consider in-app billing. I'm not sure what your business model is but this is probably the best way to charge from within your app.

http://developer.android.com/guide/market/billing/index.html