【老卫搬砖】034期：HarmonyOS 3.1 Beta 1初体验，我在本地模拟器里面刷短视频

野性酷女 2024-03-26 14:25 36阅读 0赞

今天啊打开这个DevEco Studio的话，已经提示有3.1Beta1版本的一个更新啊。然后看一下它的一些特性。本文也演示了如何在本地模拟器里面运行HarmonyOS版短视频。

![318b30236235c33d89b5f6180b37fea8.png][]

## 主要特性 ##

新特性包括：

*  Added support for Windows 11 64-bit and macOS 13.x OSs, as well as the M1 chip for Mac.
 *  Added support for redirection from JS/ArkTS to C/C++ code in the editor.
 *  Added the device-cloud integrated development feature.
 *  Added support for importing Sketch source files to generate low-code pages and for using custom components in low-code development.
 *  Added the HarmonyOS 3.1 X86-based phone emulator.
 *  Added the release-type application stack parsing feature.
 *  Added support for C/C++ time travel debugging (also known as reverse debugging).

增强特性：

*  Enhanced the low-code development experience by adding six ArkTS components (select, refresh, toggle, textpicker, datepicker, and timepicker) .
 *  Enhanced the ArkTS/TS editing experience by adding programming language specification check, code refactoring, and intelligent code completion.
 *  Enhanced the C/C++ editing experience by adding function reconstruction/extraction and quick fix of unused function parameters.
 *  Updated the SDK to API version 7 for lite wearable application development.

HarmonyOS SDK 更新内容：

Components to install:

\- EmulatorX86 3.1.0.100

\- Toolchains 3.2.2.2

\- Previewer 3.2.2.2

\- Toolchains 3.2.2.6

\- Previewer 3.2.2.6

\- ArkTS 3.2.2.6

\- JS 3.2.2.6

OpenHarmony SDK 更新内容：

*  API Version 9
 *  ArkTS 3.2.10.6 44.36 MB
 *  JS 3.2.10.6 13.92 MB
 *  Previewer 3.2.10.6 146.41 MB
 *  Toolchains 3.2.10.6 14.88 MB

## 本地模拟器 ##

其实我比较关注的是本地模拟器。之前的本地模拟器只支持到API 6（HarmonyOS 2）。

![51ebedf48e000f6c3871ad745f5bc645.png][]

而本次更新是可以支持API 9的。

![1e2e7acba2ca18f5957db9a3165bbd69.png][]

同时，新版的模拟器里面也支持更多的设置，比如：摄像头、CPU个数、内存等等。

![d905e74f4c2a41e445b1046d74071320.png][]

## 本地模拟器运行应用 ##

以下是一个本地模拟器运行“仿抖音”的短视频应用。

![d864ec3be45f7429009424ade99e19c2.png][]

完整演示效果可以见B站视频：[【老卫搬砖】034期：HarmonyOS 3.1 Beta 1初体验，我在本地模拟器里面刷短视频\_哔哩哔哩\_bilibili][034_HarmonyOS 3.1 Beta 1_bilibili]

## 源码 ##

更多示例源码、HarmonyOS学习资料可见

1.  《跟老卫学HarmonyOS开发》 开源免费教程，[GitHub - waylau/harmonyos-tutorial: HarmonyOS Tutorial. 《跟老卫学HarmonyOS》][GitHub - waylau_harmonyos-tutorial_ HarmonyOS Tutorial. _HarmonyOS]
2.  [《鸿蒙HarmonyOS手机应用开发实战》][HarmonyOS]（清华大学出版社）
3.  [《鸿蒙HarmonyOS应用开发从入门到精通战》][HarmonyOS 1]（北京大学出版社）

[318b30236235c33d89b5f6180b37fea8.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/3c60664cc7f44ceabe2a81fd7d9b142e.png
[51ebedf48e000f6c3871ad745f5bc645.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/3ccfa7b6e77747d5bcfd943e54ab0a57.png
[1e2e7acba2ca18f5957db9a3165bbd69.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/c105cab3993e47d0afcbaa02303ec6d8.png
[d905e74f4c2a41e445b1046d74071320.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/12fa8e8d368b4987a2984d82180d1249.png
[d864ec3be45f7429009424ade99e19c2.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/26/e6b2ec64588d43fa9315a1fd2cf68af1.png
[034_HarmonyOS 3.1 Beta 1_bilibili]: https://www.bilibili.com/video/BV1ms4y1Z7jj/
[GitHub - waylau_harmonyos-tutorial_ HarmonyOS Tutorial. _HarmonyOS]: https://github.com/waylau/harmonyos-tutorial
[HarmonyOS]: https://waylau.com/about-harmonyos-mobile-application-development-book
[HarmonyOS 1]: https://waylau.com/about-harmonyos-application-development-from-zero-to-hero-book/