C++ (Cpp) nfc_get_env Examples

Example #1

File: com_android_nfc_NativeNfcSecureElement.cpp Project: ParanoidAndroid/android_packages_apps_Nfc

static void com_android_nfc_jni_open_secure_element_notification_callback(void *pContext,
                                                                     phLibNfc_RemoteDevList_t *psRemoteDevList,
                                                                     uint8_t uNofRemoteDev, 
                                                                     NFCSTATUS status)
{
   struct nfc_jni_callback_data * pContextData =  (struct nfc_jni_callback_data*)pContext;
   NFCSTATUS ret;
   int i;
   JNIEnv *e = nfc_get_env();
   
   if(status == NFCSTATUS_DESELECTED)
   {
      LOG_CALLBACK("com_android_nfc_jni_open_secure_element_notification_callback: Target deselected", status);
   }
   else
   {   
      LOG_CALLBACK("com_android_nfc_jni_open_secure_element_notification_callback", status);
      TRACE("Discovered %d secure elements", uNofRemoteDev);
      
      if(status == NFCSTATUS_MULTIPLE_PROTOCOLS)
      {	
         bool foundHandle = false;
         TRACE("Multiple Protocol supported\n");
         for (i=0; i<uNofRemoteDev; i++) {
             // Always open the phNfc_eISO14443_A_PICC protocol
             TRACE("Protocol %d handle=%x type=%d", i, psRemoteDevList[i].hTargetDev,
                     psRemoteDevList[i].psRemoteDevInfo->RemDevType);
             if (psRemoteDevList[i].psRemoteDevInfo->RemDevType == phNfc_eISO14443_A_PICC) {
                 secureElementHandle = psRemoteDevList[i].hTargetDev;
                 foundHandle = true;
             }
         }
         if (!foundHandle) {
             ALOGE("Could not find ISO-DEP secure element");
             status = NFCSTATUS_FAILED;
             goto clean_and_return;
         }
      }
      else
      {
         secureElementHandle = psRemoteDevList->hTargetDev;         
      }     

      TRACE("Secure Element Handle: 0x%08x", secureElementHandle);

      /* Set type name */      
      jintArray techList;
      nfc_jni_get_technology_tree(e, psRemoteDevList,uNofRemoteDev, &techList, NULL, NULL);

      // TODO: Should use the "connected" technology, for now use the first
      if ((techList != NULL) && e->GetArrayLength(techList) > 0) {
         e->GetIntArrayRegion(techList, 0, 1, &SecureElementTech);
         TRACE("Store Secure Element Info\n");
         SecureElementInfo = psRemoteDevList->psRemoteDevInfo;

         TRACE("Discovered secure element: tech=%d", SecureElementTech);
      }
      else {
         ALOGE("Discovered secure element, but could not resolve tech");
         status = NFCSTATUS_FAILED;
      }

      // This thread may not return to the virtual machine for a long time
      // so make sure to delete the local refernce to the tech list.
      e->DeleteLocalRef(techList);
   }

clean_and_return:
   pContextData->status = status;
   sem_post(&pContextData->sem);
}

Example #2

File: com_android_nfc_NativeNfcSecureElement.cpp Project: qingyue/platform_packages

static void com_android_nfc_jni_open_secure_element_notification_callback(void *pContext,
                                                                     phLibNfc_RemoteDevList_t *psRemoteDevList,
                                                                     uint8_t uNofRemoteDev, 
                                                                     NFCSTATUS status)
{
   struct nfc_jni_callback_data * pContextData =  (struct nfc_jni_callback_data*)pContext;
   NFCSTATUS ret;
   int i;
   JNIEnv *e = nfc_get_env();
   
   if(status == NFCSTATUS_DESELECTED)
   {
      LOG_CALLBACK("com_android_nfc_jni_open_secure_element_notification_callback: Target deselected", status);
   }
   else
   {   
      LOG_CALLBACK("com_android_nfc_jni_open_secure_element_notification_callback", status);
      TRACE("Discovered %d tags", uNofRemoteDev);
      
      if(status == NFCSTATUS_MULTIPLE_PROTOCOLS)
      {	
         TRACE("Multiple Protocol supported\n");
                                 
         TRACE("Secure Element Handle: 0x%08x",psRemoteDevList[1].hTargetDev);
         secureElementHandle = psRemoteDevList[1].hTargetDev;
         
         /* Set type name */
         jintArray techList;
         jintArray handleList;
         jintArray typeList;

         nfc_jni_get_technology_tree(e, psRemoteDevList,uNofRemoteDev, &techList,
                 &handleList, &typeList);
         // TODO: Should use the "connected" technology, for now use the first
         if (e->GetArrayLength(techList) > 0) {
             jint* technologies = e->GetIntArrayElements(techList, 0);
             SecureElementTech = technologies[0];
             TRACE("Store Secure Element Info\n");
             SecureElementInfo = psRemoteDevList->psRemoteDevInfo;

             TRACE("Discovered secure element: tech=%d", SecureElementTech);
         }
         else {
             LOGE("Discovered secure element, but could not resolve tech");
             status = NFCSTATUS_FAILED;
         }
    
      }
      else
      {
         TRACE("Secure Element Handle: 0x%08x",psRemoteDevList->hTargetDev);
         secureElementHandle = psRemoteDevList->hTargetDev;
         
         /* Set type name */      
         jintArray techList;
         jintArray handleList;
         jintArray typeList;
         nfc_jni_get_technology_tree(e, psRemoteDevList,uNofRemoteDev, &techList,
                 &handleList, &typeList);

         // TODO: Should use the "connected" technology, for now use the first
         if ((techList != NULL) && e->GetArrayLength(techList) > 0) {
             jint* technologies = e->GetIntArrayElements(techList, 0);
             SecureElementTech = technologies[0];
             TRACE("Store Secure Element Info\n");
             SecureElementInfo = psRemoteDevList->psRemoteDevInfo;

             TRACE("Discovered secure element: tech=%d", SecureElementTech);
         }
         else {
             LOGE("Discovered secure element, but could not resolve tech");
             status = NFCSTATUS_FAILED;
         }
      }     
   }
         
   pContextData->status = status;
   sem_post(&pContextData->sem);
}