我想为paypal集成制作一个示例代码。 它已经完成但我不明白我需要将商家帐户ID放在Code.I有Saler Id和Merchant Id两者但我不知道我想把它放在哪里 商家ID。所以，任何budy都可以帮助我。
package com.paypal.android.pizza;
import java.util.Vector;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.KeyEvent;
import android.view.View;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
import com.paypal.android.MECL.PayPal;
public class Pizza extends Activity {
// The instance of our activity
private static Pizza _instance;
// The reference token that we get from initializing the MECL library
public static String _deviceReferenceToken;
// The PayPal server to be used - can also be ENV_NONE and ENV_LIVE
private static final int server = PayPal.ENV_SANDBOX;
// The ID of your application that you received from PayPal
private static final String appID = "APP-80W284485P519543T";
public static final String build = "11.01.04.8174";
// The possible results from initializing MECL
protected static final int INITIALIZE_SUCCESS = 0;
protected static final int INITIALIZE_FAILURE = 1;
// The pages of our application
public static final int PAGE_HOME = 0;
public static final int PAGE_CUSTOMIZE = 1;
public static final int PAGE_FINALIZE = 2;
public static final int PAGE_WEB = 3;
// The currently shown page
private BasePage currentPage;
// The pizza sizes
public static final int SIZE_SMALL = 0;
public static final int SIZE_MEDIUM = 1;
public static final int SIZE_LARGE = 2;
// The pizza toppings
public static final int TOPPING_EXTRA_CHEESE = 0;
public static final int TOPPING_PEPPERONI = 1;
public static final int TOPPING_MUSHROOMS = 2;
public static final int TOPPING_ONIONS = 3;
// The pizza acquiring methods
public static final int METHOD_PICKUP = 0;
public static final int METHOD_DELIVERY = 1;
// Our current selections that are given defaults to start
private int currentSize = SIZE_SMALL;
private Vector<Integer> currentToppings = new Vector<Integer>();
private int currentCount = 1;
private int currentMethod = METHOD_PICKUP;
// The WebView that we'll use to display MECL
private WebView _webView;
// The popup we'll use to show loading when initializing the library
private ProgressDialog mProgDialog;
// This handler will allow us to properly update the UI. You cannot touch
// Views from a non-UI thread.
Handler hRefresh = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case INITIALIZE_SUCCESS:
// We have initialized the application, close the dialog and
// launch the WebView
mProgDialog.cancel();
launchWeb();
break;
case INITIALIZE_FAILURE:
// Initialization failure, close the dialog, update the page and
// show a toast
mProgDialog.cancel();
currentPage.update();
Toast.makeText(Pizza.getInstance(),
"Failed to initialize PayPal", Toast.LENGTH_SHORT)
.show();
break;
}
}
};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Set the instance
_instance = this;
// Set our defaults
currentSize = SIZE_SMALL;
currentToppings = new Vector<Integer>();
currentCount = 1;
currentMethod = METHOD_PICKUP;
// Set our page
currentPage = new HomePage(this);
setContentView(currentPage);
}
/*
* This method will be used every time we want to change the page
*/
public void changePage(int page) {
switch (page) {
case PAGE_HOME:
// Change to the home page
currentPage = new HomePage(this);
setContentView(currentPage);
break;
case PAGE_CUSTOMIZE:
// Change to the customize page
currentPage = new CustomizePage(this);
setContentView(currentPage);
break;
case PAGE_FINALIZE:
// Change to the finalize page
currentPage = new FinalizePage(this);
setContentView(currentPage);
break;
case PAGE_WEB:
// Time to launch the library but first we need to initialize
// Show the loading popup
mProgDialog = ProgressDialog.show(this, "", "Loading");
// Create a separate thread to do the initialization
Thread libraryInitializationThread = new Thread() {
public void run() {
// Initialize the library
initLibrary();
// The library is initialized so let's launch it by
// notifying our handler
if (PayPal.getInstance().isLibraryInitialized()) {
hRefresh.sendEmptyMessage(INITIALIZE_SUCCESS);
} else {
hRefresh.sendEmptyMessage(INITIALIZE_FAILURE);
}
}
};
libraryInitializationThread.start();
break;
}
}
private void initLibrary() {
// This is the main initialization call that takes in your Context, the
// Application ID, the server you would like to connect to, and your
// PayPalListener
PayPal.fetchDeviceReferenceTokenWithAppID(this, appID, server,
new ResultDelegate());
// -- These are required settings.
PayPal.getInstance().setLanguage("en_US"); // Sets the language for the
// library.
}
private void launchWeb() {
// Setup the url for our pizza app to connect to
String buf = new String(
"http://paydemo.sms4me.com/ECDemo-server/cart.jsp?");
buf += "delivery="
+ (currentMethod == METHOD_PICKUP ? "false" : "true");
buf += "&count=" + currentCount;
String size = new String("Small");
if (currentSize == SIZE_MEDIUM)
size = "Medium";
else if (currentSize == SIZE_LARGE)
size = "Large";
buf += "&size=" + size;
if (currentToppings.size() > 0) {
buf += "&toppings=";
for (int i = 0; i < currentToppings.size(); i++) {
if (i != 0)
buf += ",";
String topping = "Extra%20Cheese";
if (currentToppings.elementAt(i) == TOPPING_PEPPERONI)
topping = "Pepperoni";
else if (currentToppings.elementAt(i) == TOPPING_MUSHROOMS)
topping = "Mushrooms";
else if (currentToppings.elementAt(i) == TOPPING_ONIONS)
topping = "Onions";
buf += topping;
}
}
buf += "&drt=" + _deviceReferenceToken;
android.util.Log.d("PIZZA_REQUEST", buf.replaceAll("&", "\n&"));
// Construct the WebView
_webView = new WebView(this);
// Set our view to the WebView
_webView.getSettings().setJavaScriptEnabled(true);
setContentView(_webView);
// Setup a WebViewClient so we know when the url changes
_webView.setWebViewClient(new WebViewClient() {
public boolean shouldOverrideUrlLoading(WebView view, String url) {
// Our servlet only uses one url for both success or failure
if (url.equals("http://paydemo.sms4me.com/ECDemo-server/cancel.html")) {
// The url was hit so it's time to go back to our home page
changePage(PAGE_HOME);
return true;
}
return false;
}
});
// Load our url
_webView.loadUrl(buf);
// The android WebView sometimes does not have focus and this affects
// different UI elements so we'll force the focus to work around this
_webView.requestFocus(View.FOCUS_DOWN);
}
public static Pizza getInstance() {
return _instance;
}
public int getCurrentSize() {
return currentSize;
}
public void setCurrentSize(int currentSize) {
this.currentSize = currentSize;
}
public Vector<Integer> getCurrentToppings() {
return currentToppings;
}
public void setCurrentToppings(Vector<Integer> currentToppings) {
this.currentToppings = currentToppings;
}
public int getCurrentCount() {
return currentCount;
}
public void setCurrentCount(int currentCount) {
this.currentCount = currentCount;
}
public int getCurrentMethod() {
return currentMethod;
}
public void setCurrentMethod(int currentMethod) {
this.currentMethod = currentMethod;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
// We need to manually handle the back key for WebView
if (keyCode == KeyEvent.KEYCODE_BACK) {
if (_webView != null && _webView.canGoBack()) {
// It's the WebView and we can navigate back with it so let's do
// so
_webView.goBack();
return true;
} else if (_webView != null) {
// It's the WebView but we can't navigate back, so let's go to
// the pizza home page
changePage(PAGE_HOME);
_webView = null;
return true;
} else {
// It's not the WebView so let's save the values and move back a
// page
if (currentPage instanceof CustomizePage) {
currentPage.saveValues();
changePage(PAGE_HOME);
} else if (currentPage instanceof FinalizePage) {
currentPage.saveValues();
changePage(PAGE_CUSTOMIZE);
}
return true;
}
}
return super.onKeyDown(keyCode, event);
}
}