First public! HarmonyOS Learning Notes V2.0 compiled by Huawei technical team

Should YOU learn HarmonyOS as a developer?

First let’s take a look at the benefits of HarmonyOS:

Wide application scenarios:

HarmonyOS is an operating system with distributed microkernels for all scenarios, enabling multiple applications to be developed at once, and software to be developed for multiple device types at once:

Software for mobile phones
Software required for TV
Software required for wearable devices
Software required for smart home
Car software….

Layout for the future:

HarmonyOS is a change for the software development industry and a new opportunity for developers;

Low barriers to learning: HarmonyOS supports both Java and JS development; Its development mode is very similar to Android, so the learning threshold for both front-end developers and mobile developers is relatively low;
Be sensitive to new technology: Being sensitive to new technology is a big part of being a good engineer;

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If you want to work on mobile, you need to have a good understanding of HarmonyOS. As the proportion of mobile devices in HarmonyOS is increasing, we need to pay attention to whether and how the APP we developed can run properly on HarmonyOS.

HarmonyOS is a great choice for non-mobile students who want to develop mobile apps at a low cost or who want to get involved in APP development. HarmonyOS ‘JS support makes it possible to develop mobile apps at no cost to students with front-end or JS skills.

Hongmeng OS advantages

Hongmeng microkernel is a full-scene distributed OS based on microkernel, which can be expanded on demand to achieve broader system security. It is mainly used in the Internet of Things and is characterized by low latency, even to the millisecond level or even sub-millisecond level.

Hongmeng OS modularized coupling, corresponding to different devices can be flexibly deployed, Hongmeng OS has three layers of architecture, the first layer is the kernel, the second layer is the basic service, the third layer is the program framework. It can be used in mobile phones, tablets, PCS, cars and other different devices. It can also be used on the phone at any time, but for the time being huawei mobile phone will still use Android preferentially, huawei PC will still use Windows and Linux preferentially.

Huawei’s positioning of Hongmeng system is completely different from Android system. It is not only a single system for a mobile phone or a certain device, but a universal system that can connect all devices together, that is, multiple different devices, such as mobile phones, smart screens, tablets, on-board computers, etc., can use Hongmeng system.

Hongmeng basic content

How much do you know about these nuggets:

Base environment and development tools
Development Tool Installation
Run the development tools to complete the basic configuration DevEco Studio
Run the first Hello World
Run the first page
Create page Feature Ability through code
Programming page jump

Obtaining method:

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