Android and Paypal API integration

Question

I\'m trying to integrate the Paypal API to make my app donation based. I have two questions:

1. I can see the button, I click it but it doesn\'t do a

Answer 1

In onclick:

pp=PayPal.getInstance();

// Should do like this to start paypal activity
PayPalPayment newPayment = new PayPalPayment();
newPayment.setCurrencyType("USD");

Intent paypalIntent=pp.checkout(newPayment, test.this);
startActivityForResult(paypalIntent, 1);