# Example code

Source: [https://docs.qualcomm.com/doc/80-PK177-134/topic/native_example_code.html](https://docs.qualcomm.com/doc/80-PK177-134/topic/native_example_code.html)

**Required includes**

    #include "qesdk_ndk.h"Copy to clipboard

      **Declare callbacks**

    void event_callback_handler(uint32_t opcode, uint32_t subsys[]) {
          // Callback to handle QESDK events
          }Copy to clipboard

      **Initialize**

    qesdk_handle_t qesdk_handle = qesdk_initEx(nativeLicense, len, event_callback_handler);Copy to clipboard

      **De-initialize**

    qesdk_error_t ret = qesdk_deinit(qesdk_handle);Copy to clipboard

**Module wise          initialization**

    PP_RTKManager *rtkManager = new PP_RTKManager();
    int ret = rtkManager->init(licenseStr, 
                               license_length,
                               [](uint32_t opcodes, uint32_t *subsystems) { 
    // Callback to handle init events
    });Copy to clipboard

**Get Feature      List**

    std::vector<std::pair<std::string,int>> featurelist= getFeatureList();
    for (auto i : featurelist) {
        ALOGI("Feature name : %s", i.first.c_str());
        ALOGI("Version :%d", i.second);
        std::vector<std::string> apilist=getApiNameList(i.first.c_str());
        for (int i = 0; i < apilist.size(); i++) {
            ALOGI("API name : %s", apilist[i].c_str());
        }
        std::vector<std::string> apidatalist=getFullInfo(i.first.c_str());
        for (int i = 0; i < apidatalist.size(); i++) {
            ALOGI("API data list  : %s", apidatalist[i].c_str());
        }
        ALOGI("-------------------------------");
    } Copy to clipboard

**Parent Topic:** [QESDK Native API](https://docs.qualcomm.com/doc/80-PK177-134/topic/native_api.html)

Last Published: Nov 14, 2024

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