How to add .a file in the sample of NRF9160?

How to add .a file in the sample of NRF9160?https://devzone.nordicsemi.com/f/nordic-q-a/82272/how-to-add-a-file-in-the-sample-of-nrf9160Dear Nordic Engineers I recently encountered a problem when developing NRF9160.I developed it based on the example of asset_tracker_v2.Now I have an .a file of an encryption algorithm.I want to add this .a file to the project to call the encryptionen-USTelligent Community 13Thu, 02 Dec 2021 05:43:31 GMTRE: How to add .a file in the sample of NRF9160?https://devzone.nordicsemi.com/thread/341613?ContentTypeID=1Thu, 02 Dec 2021 05:43:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ded2ecd8-fa29-4f64-80a9-32de77f7b042Kazi Afroza Sultana<p>Hello Wang,</p> <p>You can check this example which demonstrates the way of inclusion of an external static library into the zephyr build system. <a href="https://github.com/nrfconnect/sdk-zephyr/tree/main/samples/application_development/external_lib">sdk-zephyr/samples/application_development/external_lib at main · nrfconnect/sdk-zephyr · GitHub</a></p> <p>Thanks.</p> <p>Best Regards,</p> <p>Kazi Afroza Sultana</p><div style="clear:both;"></div>