# gocoder sampleapp issue

**URL:** <https://community.wowza.com/t/gocoder-sampleapp-issue/54356>\
**Category:** Wowza Streaming Engine\
**Created:** [December 18, 2019, 1:09pm UTC](https://community.wowza.com/t/gocoder-sampleapp-issue/54356 "2019-12-18T13:09:18Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Nikita\_Romanenko](https://avatars.discourse-cdn.com/v4/letter/n/258eb7/32.png) [@Nikita\_Romanenko](https://community.wowza.com/u/Nikita_Romanenko)\
**Post date:** [December 18, 2019, 1:09pm UTC](https://community.wowza.com/t/gocoder-sampleapp-issue/54356/1 "2019-12-18T13:09:18Z")

</div>

Hello, I have an issue. I downloaded the sample application and launch it. But few menus a crush when I open it, link - [http://joxi.ru/bmo11WXf9N9q8A](http://joxi.ru/bmo11WXf9N9q8A). Also, I can’t see the camera view, all the screens are disabled/black.

---

<div class="post-metadata">

**Author:** ![Amara\_Graham](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/amara_graham/32/381_2.png) [@Amara\_Graham](https://community.wowza.com/u/Amara_Graham)\
**Post date:** [December 18, 2019, 3:04pm UTC](https://community.wowza.com/t/gocoder-sampleapp-issue/54356/2 "2019-12-18T15:04:51Z")

</div>

Hi Nikita,

Is this for Android or iOS? Did you supply your license key?

---

<div class="post-metadata">

**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [December 18, 2019, 6:12pm UTC](https://community.wowza.com/t/gocoder-sampleapp-issue/54356/3 "2019-12-18T18:12:54Z")

</div>

As Amara mentioned, it is important to properly enter your SDK license key and also properly enter your Engine Key in the correct locations. Be sure your app id or bundle identifier is the same as in your email with your SDK license key.

Here are two tutorials that show you how to setup and run the sample app- hope that helps you get it to work.

[Sample app for iOS video:](https://www.youtube.com/watch?v=h5_lHaLfoyg)

[Sample app for Android video:](https://www.youtube.com/watch?v=M9IQns6lLsc)