我在this教程的示例应用程序中执行In App Purchase功能。 我也从以下链接中了解了它
http://developer.android.com/guide/market/billing/billing_overview.html
http://developer.android.com/guide/market/billing/billing_integrate.html
我已从发布商帐户设置了自己的公钥。
当我开始使用App时，它运行正常并且已成功连接到Android Market。 但我按下了接受＆amp;买期权。我收到以下错误。
12-29 12:50:27.694: ERROR/BillingService(3741): Signature verification failed.
12-29 12:50:27.698: WARN/BillingService(3741): signature does not match data.
12-29 12:50:27.706: DEBUG/AndroidRuntime(3741): Shutting down VM
12-29 12:50:27.706: WARN/dalvikvm(3741): threadid=1: thread exiting with uncaught exception (group=0x4001d7d0)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): FATAL EXCEPTION: main
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): java.lang.RuntimeException: Unable to start receiver com.blundell.test.BillingReceiver: java.lang.NullPointerException
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2821)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at android.app.ActivityThread.access$3200(ActivityThread.java:125)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2083)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at android.os.Handler.dispatchMessage(Handler.java:99)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at android.os.Looper.loop(Looper.java:123)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at android.app.ActivityThread.main(ActivityThread.java:4627)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at java.lang.reflect.Method.invokeNative(Native Method)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at java.lang.reflect.Method.invoke(Method.java:521)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at dalvik.system.NativeStart.main(Native Method)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): Caused by: java.lang.NullPointerException
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at com.blundell.test.BillingHelper.verifyPurchase(BillingHelper.java:249)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at com.blundell.test.BillingReceiver.purchaseStateChanged(BillingReceiver.java:46)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at com.blundell.test.BillingReceiver.onReceive(BillingReceiver.java:29)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): at android.app.ActivityThread.handleReceiver(ActivityThread.java:2810)
12-29 12:50:27.722: ERROR/AndroidRuntime(3741): ... 10 more
以下是相同的代码：
import java.util.ArrayList;
import android.app.PendingIntent;
import android.app.PendingIntent.CanceledException;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.RemoteException;
import android.util.Log;
import com.android.vending.billing.IMarketBillingService;
import com.blundell.test.BillingSecurity.VerifiedPurchase;
import com.blundell.test.C.ResponseCode;
public class BillingHelper {
private static final String TAG = "BillingService";
private static IMarketBillingService mService;
private static Context mContext;
private static Handler mCompletedHandler;
protected static VerifiedPurchase latestPurchase;
protected static void instantiateHelper(Context context, IMarketBillingService service) {
mService = service;
mContext = context;
}
protected static void setCompletedHandler(Handler handler){
mCompletedHandler = handler;
}
protected static boolean isBillingSupported() {
if (amIDead()) {
return false;
}
Bundle request = makeRequestBundle("CHECK_BILLING_SUPPORTED");
if (mService != null) {
try {
Bundle response = mService.sendBillingRequest(request);
ResponseCode code = ResponseCode.valueOf((Integer) response.get("RESPONSE_CODE"));
Log.i(TAG, "isBillingSupported response was: " + code.toString());
if (ResponseCode.RESULT_OK.equals(code)) {
return true;
} else {
return false;
}
} catch (RemoteException e) {
Log.e(TAG, "isBillingSupported response was: RemoteException", e);
return false;
}
} else {
Log.i(TAG, "isBillingSupported response was: BillingService.mService = null");
return false;
}
}
/**
* A REQUEST_PURCHASE request also triggers two asynchronous responses (broadcast intents).
* First, the Android Market application sends a RESPONSE_CODE broadcast intent, which provides error information about the request. (which I ignore)
* Next, if the request was successful, the Android Market application sends an IN_APP_NOTIFY broadcast intent.
* This message contains a notification ID, which you can use to retrieve the transaction details for the REQUEST_PURCHASE
* @param activityContext
* @param itemId
*/
protected static void requestPurchase(Context activityContext, String itemId){
if (amIDead()) {
return;
}
Log.i(TAG, "requestPurchase()");
Bundle request = makeRequestBundle("REQUEST_PURCHASE");
request.putString("ITEM_ID", itemId);
try {
Bundle response = mService.sendBillingRequest(request);
//The RESPONSE_CODE key provides you with the status of the request
Integer responseCodeIndex = (Integer) response.get("RESPONSE_CODE");
//The PURCHASE_INTENT key provides you with a PendingIntent, which you can use to launch the checkout UI
PendingIntent pendingIntent = (PendingIntent) response.get("PURCHASE_INTENT");
//The REQUEST_ID key provides you with a unique request identifier for the request
Long requestIndentifier = (Long) response.get("REQUEST_ID");
Log.i(TAG, "current request is:" + requestIndentifier);
C.ResponseCode responseCode = C.ResponseCode.valueOf(responseCodeIndex);
Log.i(TAG, "REQUEST_PURCHASE Sync Response code: "+responseCode.toString());
startBuyPageActivity(pendingIntent, new Intent(), activityContext);
} catch (RemoteException e) {
Log.e(TAG, "Failed, internet error maybe", e);
Log.e(TAG, "Billing supported: "+isBillingSupported());
}
}
/**
* A GET_PURCHASE_INFORMATION request also triggers two asynchronous responses (broadcast intents).
* First, the Android Market application sends a RESPONSE_CODE broadcast intent, which provides status and error information about the request. (which I ignore)
* Next, if the request was successful, the Android Market application sends a PURCHASE_STATE_CHANGED broadcast intent.
* This message contains detailed transaction information.
* The transaction information is contained in a signed JSON string (unencrypted).
* The message includes the signature so you can verify the integrity of the signed string
* @param notifyIds
*/
protected static void getPurchaseInformation(String[] notifyIds){
if (amIDead()) {
return;
}
Log.i(TAG, "getPurchaseInformation()");
Bundle request = makeRequestBundle("GET_PURCHASE_INFORMATION");
// The REQUEST_NONCE key contains a cryptographically secure nonce (number used once) that you must generate.
// The Android Market application returns this nonce with the PURCHASE_STATE_CHANGED broadcast intent so you can verify the integrity of the transaction information.
request.putLong("NONCE", BillingSecurity.generateNonce());
// The NOTIFY_IDS key contains an array of notification IDs, which you received in the IN_APP_NOTIFY broadcast intent.
request.putStringArray("NOTIFY_IDS", notifyIds);
try {
Bundle response = mService.sendBillingRequest(request);
//The REQUEST_ID key provides you with a unique request identifier for the request
Long requestIndentifier = (Long) response.get("REQUEST_ID");
Log.i(TAG, "current request is:" + requestIndentifier);
//The RESPONSE_CODE key provides you with the status of the request
Integer responseCodeIndex = (Integer) response.get("RESPONSE_CODE");
C.ResponseCode responseCode = C.ResponseCode.valueOf(responseCodeIndex);
Log.i(TAG, "GET_PURCHASE_INFORMATION Sync Response code: "+responseCode.toString());
} catch (RemoteException e) {
Log.e(TAG, "Failed, internet error maybe", e);
Log.e(TAG, "Billing supported: "+isBillingSupported());
}
}
/**
* To acknowledge that you received transaction information you send a
* CONFIRM_NOTIFICATIONS request.
*
* A CONFIRM_NOTIFICATIONS request triggers a single asynchronous response�a RESPONSE_CODE broadcast intent.
* This broadcast intent provides status and error information about the request.
*
* Note: As a best practice, you should not send a CONFIRM_NOTIFICATIONS request for a purchased item until you have delivered the item to the user.
* This way, if your application crashes or something else prevents your application from delivering the product,
* your application will still receive an IN_APP_NOTIFY broadcast intent from Android Market indicating that you need to deliver the product
* @param notifyIds
*/
protected static void confirmTransaction(String[] notifyIds) {
if (amIDead()) {
return;
}
Log.i(TAG, "confirmTransaction()");
Bundle request = makeRequestBundle("CONFIRM_NOTIFICATIONS");
request.putStringArray("NOTIFY_IDS", notifyIds);
try {
Bundle response = mService.sendBillingRequest(request);
//The REQUEST_ID key provides you with a unique request identifier for the request
Long requestIndentifier = (Long) response.get("REQUEST_ID");
Log.i(TAG, "current request is:" + requestIndentifier);
//The RESPONSE_CODE key provides you with the status of the request
Integer responseCodeIndex = (Integer) response.get("RESPONSE_CODE");
C.ResponseCode responseCode = C.ResponseCode.valueOf(responseCodeIndex);
Log.i(TAG, "CONFIRM_NOTIFICATIONS Sync Response code: "+responseCode.toString());
} catch (RemoteException e) {
Log.e(TAG, "Failed, internet error maybe", e);
Log.e(TAG, "Billing supported: " + isBillingSupported());
}
}
/**
*
* Can be used for when a user has reinstalled the app to give back prior purchases.
* if an item for sale's purchase type is "managed per user account" this means google will have a record ofthis transaction
*
* A RESTORE_TRANSACTIONS request also triggers two asynchronous responses (broadcast intents).
* First, the Android Market application sends a RESPONSE_CODE broadcast intent, which provides status and error information about the request.
* Next, if the request was successful, the Android Market application sends a PURCHASE_STATE_CHANGED broadcast intent.
* This message contains the detailed transaction information. The transaction information is contained in a signed JSON string (unencrypted).
* The message includes the signature so you can verify the integrity of the signed string
* @param nonce
*/
protected static void restoreTransactionInformation(Long nonce) {
if (amIDead()) {
return;
}
Log.i(TAG, "confirmTransaction()");
Bundle request = makeRequestBundle("RESTORE_TRANSACTIONS");
// The REQUEST_NONCE key contains a cryptographically secure nonce (number used once) that you must generate
request.putLong("NONCE", nonce);
try {
Bundle response = mService.sendBillingRequest(request);
//The REQUEST_ID key provides you with a unique request identifier for the request
Long requestIndentifier = (Long) response.get("REQUEST_ID");
Log.i(TAG, "current request is:" + requestIndentifier);
//The RESPONSE_CODE key provides you with the status of the request
Integer responseCodeIndex = (Integer) response.get("RESPONSE_CODE");
C.ResponseCode responseCode = C.ResponseCode.valueOf(responseCodeIndex);
Log.i(TAG, "RESTORE_TRANSACTIONS Sync Response code: "+responseCode.toString());
} catch (RemoteException e) {
Log.e(TAG, "Failed, internet error maybe", e);
Log.e(TAG, "Billing supported: " + isBillingSupported());
}
}
private static boolean amIDead() {
if (mService == null || mContext == null) {
Log.e(TAG, "BillingHelper not fully instantiated");
return true;
} else {
return false;
}
}
private static Bundle makeRequestBundle(String method) {
Bundle request = new Bundle();
request.putString("BILLING_REQUEST", method);
request.putInt("API_VERSION", 1);
request.putString("PACKAGE_NAME", mContext.getPackageName());
return request;
}
/**
*
*
* You must launch the pending intent from an activity context and not an application context
* You cannot use the singleTop launch mode to launch the pending intent
* @param pendingIntent
* @param intent
* @param context
*/
private static void startBuyPageActivity(PendingIntent pendingIntent, Intent intent, Context context){
//TODO add above 2.0 implementation with reflection, for now just using 1.6 implem
// This is on Android 1.6. The in-app checkout page activity will be on its
// own separate activity stack instead of on the activity stack of
// the application.
try {
pendingIntent.send(context, 0, intent);
} catch (CanceledException e){
Log.e(TAG, "startBuyPageActivity CanceledException");
}
}
protected static void verifyPurchase(String signedData, String signature) {
**ArrayList<VerifiedPurchase> purchases = BillingSecurity.verifyPurchase(signedData, signature);
latestPurchase = purchases.get(0);**
confirmTransaction(new String[]{latestPurchase.notificationId});
if(mCompletedHandler != null){
mCompletedHandler.sendEmptyMessage(0);
} else {
Log.e(TAG, "verifyPurchase error. Handler not instantiated. Have you called setCompletedHandler()?");
}
}
public static void stopService(){
mContext.stopService(new Intent(mContext, BillingService.class));
mService = null;
mContext = null;
mCompletedHandler = null;
Log.i(TAG, "Stopping Service");
}
}
我在哪里做错了？请分享你的想法??
由于
答案 0 :(得分：1)
例外情况似乎是在签名验证中引起的。
您是否已按照测试Android应用内结算的所有步骤进行操作？
在发布模式下构建您的应用并签名。
将发布版本上传到Android电子市场，而不是发布，并创建产品列表。
将应用程序安装到您的设备上，并在您的设备上设置主要测试帐户。