# notification_eventhandler #### Description EventHandler provides the basic ability for OpenHarmony thread to thread communication, allowing for the creation of new threads through EventRunner and the throwing of time-consuming operations onto the new thread for execution, thereby achieving reasonable processing of time-consuming tasks without blocking the original thread. #### Software Architecture Software architecture description #### Installation 1. xxxx 2. xxxx 3. xxxx #### Instructions 1. xxxx 2. xxxx 3. xxxx #### Contribution 1. Fork the repository 2. Create Feat_xxx branch 3. Commit your code 4. Create Pull Request #### Gitee Feature 1. You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md 2. Gitee blog [blog.gitee.com](https://blog.gitee.com) 3. Explore open source project [https://gitee.com/explore](https://gitee.com/explore) 4. The most valuable open source project [GVP](https://gitee.com/gvp) 5. The manual of Gitee [https://gitee.com/help](https://gitee.com/help) 6. The most popular members [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)