안드로이드 인앱결제가 안됩니다

Question

butbutton에 인앱결제를 적용하려고 하는데 안되네요...

bubutton 누르면 한번까지는 결제를 성공하는데 그리곤 바로 어플이 꺼져버립니다.

그리고 그 다음부터는 buybutton 자체가 안 눌려집니다.

아래 코드에 문제가 있는거 같지는 않은데 제가 잘못본건지..ㅠㅠ

 

?

<span style="font-size:11px">static final String ITEM_SKU = "dongjaunse";        private Button buyButton;       @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_in_app_billing);           buyButton = (Button)findViewById(R.id.buyButton);         String base64EncodedPublicKey =                 "<인증키>";         mHelper = new IabHelper(this, base64EncodedPublicKey);           mHelper.startSetup(new IabHelper.OnIabSetupFinishedListener() {             public void onIabSetupFinished(IabResult result) {                 if (!result.isSuccess()) {                     Log.d(TAG, "In-app Billing setup failed: " +                             result);                 } else {                     Log.d(TAG, "In-app Billing is set up OK");                 }             }         });     }         public void buyClick(View view) {         mHelper.launchPurchaseFlow(this, ITEM_SKU, 10001,                 mPurchaseFinishedListener, "mypurchasetoken");     }       @Override     protected void onActivityResult(int requestCode, int resultCode,                                     Intent data)     {         if (!mHelper.handleActivityResult(requestCode,                 resultCode, data)) {             super.onActivityResult(requestCode, resultCode, data);         }     }       IabHelper.OnIabPurchaseFinishedListener mPurchaseFinishedListener             = new IabHelper.OnIabPurchaseFinishedListener() {         public void onIabPurchaseFinished(IabResult result,                                           Purchase purchase)         {             if (result.isFailure()) {                 // 에러 처리 코드                 return;             }             else if (purchase.getSku().equals(ITEM_SKU)) {                 consumeItem();               }           }     };       public void consumeItem() {         mHelper.queryInventoryAsync(mReceivedInventoryListener);     }       IabHelper.QueryInventoryFinishedListener mReceivedInventoryListener             = new IabHelper.QueryInventoryFinishedListener() {         public void onQueryInventoryFinished(IabResult result,                                              Inventory inventory) {               if (result.isFailure()) {                 // 에러 처리 코드             } else {                 mHelper.consumeAsync(inventory.getPurchase(ITEM_SKU),                         mConsumeFinishedListener);             }         }     };       IabHelper.OnConsumeFinishedListener mConsumeFinishedListener =             new IabHelper.OnConsumeFinishedListener() {                 public void onConsumeFinished(Purchase purchase,                                               IabResult result) {                       if (result.isSuccess()) {                       } else {                         // 에러 처리 코드                     }                 }             };         @Override     public void onDestroy() {         super.onDestroy();         if (mHelper != null) mHelper.dispose();         mHelper = null;     } } </span>