나는 내 코드에서 널 포인트 오류가 오전 로그는 로그 캣 파일이 방법Android 코드에서 널 포인터 오류가 발생하는 이유는 무엇입니까?
/**
* Returns the current SKUs owned by the user of the type and package name specified along with
* purchase information and a signature of the data to be validated.
* This will return all SKUs that have been purchased in V3 and managed items purchased using
* V1 and V2 that have not been consumed.
* @param apiVersion billing API version that the app is using
* @param packageName package name of the calling app
* @param type the type of the in-app items being requested
* ("inapp" for one-time purchases and "subs" for subscription).
* @param continuationToken to be set as null for the first call, if the number of owned
* skus are too many, a continuationToken is returned in the response bundle.
* This method can be called again with the continuation token to get the next set of
* owned skus.
* @return Bundle containing the following key-value pairs
* "RESPONSE_CODE" with int value, RESULT_OK(0) if success, other response codes on
* failure as listed above.
* "INAPP_PURCHASE_ITEM_LIST" - StringArrayList containing the list of SKUs
* "INAPP_PURCHASE_DATA_LIST" - StringArrayList containing the purchase information
* "INAPP_DATA_SIGNATURE_LIST"- StringArrayList containing the signatures
* of the purchase information
* "INAPP_CONTINUATION_TOKEN" - String containing a continuation token for the
* next set of in-app purchases. Only set if the
* user has more owned skus than the current list.
*/
Bundle getPurchases(int apiVersion, String packageName, String type, String continuationToken);
에 대한
03-08 13:24:45.619: E/AndroidRuntime(7149): FATAL EXCEPTION: main
03-08 13:24:45.619: E/AndroidRuntime(7149): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.imobilize.ETV_V3_INAPP_SUB/com.imobilize.ETV_V3_INAPP_SUB.IntroBLevActivity}: java.lang.NullPointerException
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1970)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1995)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.app.ActivityThread.access$600(ActivityThread.java:128)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1161)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.os.Handler.dispatchMessage(Handler.java:99)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.os.Looper.loop(Looper.java:137)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.app.ActivityThread.main(ActivityThread.java:4517)
03-08 13:24:45.619: E/AndroidRuntime(7149): at java.lang.reflect.Method.invokeNative(Native Method)
03-08 13:24:45.619: E/AndroidRuntime(7149): at java.lang.reflect.Method.invoke(Method.java:511)
03-08 13:24:45.619: E/AndroidRuntime(7149): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:980)
03-08 13:24:45.619: E/AndroidRuntime(7149): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:747)
03-08 13:24:45.619: E/AndroidRuntime(7149): at dalvik.system.NativeStart.main(Native Method)
03-08 13:24:45.619: E/AndroidRuntime(7149): Caused by: java.lang.NullPointerException
03-08 13:24:45.619: E/AndroidRuntime(7149): at com.imobilize.ETV_V3_INAPP_SUB.IntroBLevActivity.getPurchasedSubs(IntroBLevActivity.java:200)
03-08 13:24:45.619: E/AndroidRuntime(7149): at com.imobilize.ETV_V3_INAPP_SUB.IntroBLevActivity.checkValidation(IntroBLevActivity.java:238)
03-08 13:24:45.619: E/AndroidRuntime(7149): at com.imobilize.ETV_V3_INAPP_SUB.IntroBLevActivity.onCreate(IntroBLevActivity.java:96)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.app.Activity.performCreate(Activity.java:4470)
03-08 13:24:45.619: E/AndroidRuntime(7149): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1053)
SPECS 덤프 여기에 여기에
199 public void getPurchasedSubs() throws RemoteException {
200 Bundle ownedItems = mService.getPurchases(3, getPackageName(), "subs", null);
을 가리키는 다시 유효하게 된 패키지 이름을 확인합니다.
그녀 e는 mService가 생성 된 코드입니다. IInAppBillingService mService;
ServiceConnection mServiceConn = new ServiceConnection() {
//@Overide
public void onServiceDisconnected(ComponentName name) {
mService = null;
}
//@Overide
public void onServiceConnected(ComponentName name,
IBinder service) {
mService = IInAppBillingService.Stub.asInterface(service);
}
};
logcat 파일을 해석하는 데 그리 좋지가 않아서 대답이 내 앞에있을 수 있습니다.
나는이 코드를 열어서 mService를 언제든지 사용할 수 있다고 생각했습니다.
bindService(new
Intent("com.android.vending.billing.InAppBillingService.BIND"),
mServiceConn, Context.BIND_AUTO_CREATE);
중단 점을 사용하고 코드를 실행 해 보았습니까? getPurchases()를 호출하려고하면 mService가 null 인 것 같습니다. – crazylpfan
onServiceDisconnected에 로그를 추가하고 코드를 실행하기 전에 연결이 끊어 졌는지 확인하십시오. 예외 문 앞에 Null check를 추가하고 Null인지 확인하기 위해 기록합니다. 이 코드를 실행할 때 서비스가 연결되지 않았거나이 코드를 실행할 때 연결이 끊어지는 것 같습니다. – anargund
NPE는 어떤 라인을 유발합니까? (ActivityThread.java:1970) –