Method setEnable

libapp2sys/src/main/cpp/client.h:416–423

    }

    void setEnable(int enableFlag) {
        bool restrart = m_enable == 0 && enableFlag;
        if (restrart) {
            tryStartEngine();
        }
        m_enable = enableFlag;
        pdbg("setEnable %d to %d, restart:%d", m_enable, enableFlag, restrart);
    }

    void setRetryConnectInterval(int retryConnectInterval) {
        if (retryConnectInterval > 0) {