# Code not running on start

**URL:** <https://community.thunkable.com/t/code-not-running-on-start/1042328>\
**Category:** Questions about Thunkable X\
**Created:** [January 7, 2021, 4:31pm UTC](https://community.thunkable.com/t/code-not-running-on-start/1042328 "2021-01-07T16:31:13Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![drted](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/drted/32/92694_2.png) [@drted](https://community.thunkable.com/u/drted)\
**Post date:** [January 7, 2021, 4:59pm UTC](https://community.thunkable.com/t/code-not-running-on-start/1042328/2 "2021-01-07T16:59:03Z")

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Are your block in the Open Event? This week a bug appeared causing the Open Event on android devices not to execute

> [@List Viewer not set on Screen Open](http://community.thunkable.com/t/list-viewer-not-set-on-screen-open/1042157/3):
>
> UPDATE: I replicated the problem on my android device. If there is a loading\_icon on the screen, the open event does not occur. Do you have a loading\_icon? Visible or not Visible does not matter. Here is a sample. it works on Live Preview Web, but not on android. frowning

> <https://github.com/thunkable/thunkable-issues/issues/799>
>
> \### Platform
> ✕ Android companion
> 
> \### Issue/Request Origin
> https://community….thunkable.com/t/list-viewer-not-set-on-screen-open/1042157
> 
> \### Project Link
> https://x.thunkable.com/copy/8511e2e52bbc35dcf8a85f991bd86f16
> 
> \### Expected Behavior
> The open event should occur
> 
> \### Actual Behavior
> OPen Event does not occur
> \`\`\`

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