我正在构建一个与 Paypal 集成的 Android 应用程序。我写了这个:
PayPal pp = PayPal.initWithAppID(this, "APP-80W284485P519543T", PayPal.ENV_SANDBOX);
LinearLayout lay = (LinearLayout)findViewById(R.id.layout_faq);
CheckoutButton launchSimplePayment = pp.getCheckoutButton(this, PayPal.BUTTON_194x37, CheckoutButton.TEXT_PAY);
launchSimplePayment.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
PayPalPayment payment = new PayPalPayment();
payment.setSubtotal(new BigDecimal("8.25"));
payment.setCurrencyType("USD");
payment.setRecipient("bss_45@gmail.com");
payment.setPaymentType(PayPal.PAYMENT_TYPE_GOODS);
Intent checkoutIntent = PayPal.getInstance().checkout(payment, getApplicationContext());
startActivityForResult(checkoutIntent, 1);
}});
lay.addView(launchSimplePayment);
当我运行模拟器时,应用程序崩溃。日志猫 说:
05-03 12:48:41.768: E/AndroidRuntime(748): FATAL EXCEPTION: Thread-85
05-03 12:48:41.768: E/AndroidRuntime(748): java.lang.NullPointerException
05-03 12:48:41.768: E/AndroidRuntime(748): at com.paypal.android.b.e.j(Unknown Source)
05-03 12:48:41.768: E/AndroidRuntime(748): at com.paypal.android.b.e.v(Unknown Source)
05-03 12:48:41.768: E/AndroidRuntime(748): at com.paypal.android.b.e.c(Unknown Source)
05-03 12:48:41.768: E/AndroidRuntime(748): at com.paypal.android.b.f.run(Unknown Source)
我导入的库是 PayPal_MPL.jar。
我需要导入其他jar吗?要不然是啥?
谢谢。