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Huawei Developer Day Is Set For April 28: HarmonyOS mobile, HMS Core, AppGallery, Petal Search, and more



On April 28, 2021, Huawei Developer Day (HDD) will set for the stage in Guangzhou, China. At the event, the Chinese tech giant will hold different forums and sessions to help the industry grow faster with the Huawei ecosystem.

The HDD event will allow users to create apps with Huawei Mobile Service Core (HMS Core) to help Huawei themes in the audiovisual entertainment industry.

AppGallery Connect, Petal Search, application market commercial promotion, and help partners to gain rapid growth in volume. Huawei Ads developers monetize their business and help develop The whole life cycle of the growth of women in science and technology innovation and feel “her power” together.

According to the information, people will get a chance to learn about the open capabilities of the seven core areas that HMS Core, the visual effects and interactive experience of Huawei themes, Huawei Ads, AppGallery Connect, fast games, application market commercial promotion, and the Petal Search search engine.


The session will also have information on how does the product function provides multi-dimensional growth services to help developers grow users, increase their activity, help partners gain rapid growth in volume, and realize business realization.

Here is the summary of the sessions that will be held during the HDC event:

HMS Core. Sparkle audio-visual entertainment innovation sub-forum, you will learn how developers can build high-quality applications in all directions, help information reach efficiently, and achieve user growth.

The Huawei Women Developers sub-forum on women’s innovation in science and technology focuses on female technology practitioners, and Ms. Tang Wenjie, co-founder of Ladies Who Tech, and Huawei female engineers bring wonderful sharing, exchange technical experience, and feel “her power”.


Huawei Browser MeetX Salon (Ye Tan Finance Special), centering on six categories of finance, technology, and sports, invites industry leaders to communicate face-to-face with users to show the collision of wisdom and ideas. The salon aims to grasp the latest trends in the field, analyze trends, create a benign interaction platform between the platform and users, and provide Huawei browser users with a ticket to log on to the ship of thinking.

The Huawei Browser Creator Ecological Sub-forum, in collaboration with high-quality media and content creators, jointly explores the future of a safe, credible, and authoritative content ecosystem creates a more quality information experience and empowers media to realize brand value.

Below you can check the activity Agenda:

Main Forum:

  • 8:30-9:10 = On-site check-in
  • 9:10-9:15 = Opening of the event
  • 8:15-9:30 = Huawei Developer Alliance, a one-stop support platform to help developers succeed
  • 9:30-9:45 = Together with HMS Core, create high-quality applications
  • 10:00-10:15 = Huawei Ads helps developers grow throughout their life cycle
  • 10:30-10:45 = Fast game: new ecology, new track of competition for traffic
  • 10:45-11:15 = Commercial promotion in the application market: voyage hand in hand with global developers
  • 10:45-11:15 = Commercial promotion in the application market: voyage hand in hand with global developers
  • 11:15-11:30 = Petal Search search engine: share growth opportunities with Petal Search

HMS Core. Sparkle Audio Visual

  • 13:30-14:00 = On-site check-in
  • 14:00-14:10 = Opening speech of the event: HMS Core enables developers to build high-quality applications
  • 14:45-14:55 = Push growth service case sharing
    see details
  • 15:05-15:20 = HMS Core network acceleration service
    see details
  • 15:20-15:35 = A more enjoyable audio-visual experience with Huawei Music
  • 15:35-15:45 = Introduction to AR Engine audio-visual entertainment capabilities see details
  • 15:45-16:00 = AR case sharing
    16:00-17:00 = Roundtable Forum

Huawei Women Developers

  • 13:30-14:00 = On-site check-in
  • 14:00-14:10 = Opening speech of the event leader
  • 14:10-14:40 = Tech Has No Gender
  • 14:40-15:10 = Face technical challenges and create unlimited possibilities
  • 15:25-15:55 = From Technology to Academic: Computer Language in Spatial Data Processing
  • 15:55-16:25 = Technology, future design brush

Huawei Browser MeetX Salon

  • 10:00-12:00 = Closed-door meeting

Huawei Browser Creator Ecological Sub-forum

  • 14:00-16:00 = Closed-door meeting


Although, Huawei has not mentioned HarmonyOS in the agenda but it’s likely that Huawei may announce its operating system at the event to meet the launch date announced by the CEO of Huawei Consumer Busines Group, Richard Yu AKA Yu Chengdong.

Furthermore, Huawei may reveal the upgrade roadmap for the existing Huawei devices that are eligible for an upgrade.



Most of Deng Li's smartphones are from the Huawei ecosystem and his first Huawei phone was Ascend Mate 2 (4G). As a tech enthusiast, he keeps exploring new technologies and inspects them closely. Apart from the technology world, he takes care of his garden.


Huawei HarmonyOS Upgrade Plan: Devices and Rollout Time [List]




The story of HarmonyOS smartphone testing began on December 16, 2020. At this date, Huawei announced HarmonyOS 2.0 Developer beta testing for a number of old flagships. Initially, HarmonyOS become available in the testing range of Huawei developers and industry partners. The HarmonyOS 2.0 developer beta testing slots for models from Huawei P40, Mate 30, and MatePad Pro series devices.

Post recruitment, Huawei selected and processed the developer beta applications and sent the first HarmonyOS 2.0 developer beta OTA update to select testers.

Since beta testing is a staged process, Huawei conducted and released several betas builds to developers. After three months of internal beta flight, in April, the company expanded HarmonyOS beta testing for more devices such as Mate 40 series, Mate X2, and others, labeled under HarmonyOS 2.0 developer open beta.

In the following month, mid-range smartphones – Huawei Nova 6, Nova 7, and Nova 8 lineups also joined the second phase beta activity in the second round of the Developer Open beta.


After 6 months of trials and developer testing, Huawei finally made up its mind of sending HarmonyOS on the consumer version of smartphones and it began on June 2.

On June 2, Huawei officially launched HarmonyOS for smartphone devices, a brand new operating system and a successor of EMUI software system, which was based on Android.

HarmonyOS is surely interesting, isn’t it? But the key interesting thing is, which devices will get HarmonyOS software update and when will it start to rollout? Well, Huawei has shared its official roadmap of upgrading old devices with its operating system and it’s detailed below.

This rollout plan has blown my mind as it covers devices that go up to the year 2016, and it’s absolutely insane and beyond my words. This is surely exciting news for the Huawei consumers and it reflects that Huawei wants to change all of the Huawei devices (launched in the past) on HarmonyOS.


Here, you can check all of the information about the HarmonyOS upgrade plan, timeline, and rollout devices.

Devices that will get HarmonyOS from June 2, 2021:

  • Huawei Mate 40
  • Huawei Mate 40 Pro
  • Huawei Mate 40 Pro+
  • Huawei Mate 40 RS Porsche Design
  • Huawei Mate 40E
  • Huawei Mate X2
  • Huawei P40
  • Huawei P40 4G
  • Huawei P40 Pro
  • Huawei P40 Pro Plus
  • Huawei Mate 30 Pro 4G
  • Huawei Mate 30 Pro 5G
  • Huawei Mate 30E Pro 5G
  • Huawei Mate 30 RS Porsche Design
  • Huawei Mate 30 4G
  • Huawei Mate 30 5G
  • Huawei MatePad Pro WiFi
  • Huawei MatePad Pro 5G

Devices that will get HarmonyOS from the third quarter of 2021:

  • Huawei Mate Xs
  • Huawei Mate 20
  • Huawei Mate 20 Pro
  • Huawei Mate 20 RS Porsche Design
  • Huawei Nova 7 SE 5G
  • Huawei Nova 7 SE 5G Lohas Edition
  • Huawei Nova 7 SE 5G Vitality Edition
  • Huawei Nova 8
  • Huawei Nova 8 Pro
  • Huawei Nova 8 Pro 4G
  • Huawei Nova 7 5G
  • Huawei Nova 7 Pro 5G
  • Huawei Nova 6
  • Huawei Nova 6 5G
  • Huawei Nova 6 SE
  • Huawei MatePad 10.8 inches
  • Huawei MatePad 10.4 inches
  • Huawei MatePad 5G 10.4 inches

Devices that will get HarmonyOS from the fourth quarter of 2021:

  • Huawei Smart Screen V 55 2021
  • Huawei Smart Screen V 65 2021
  • Huawei Smart Screen V 75 2021
  • Huawei Smart Screen V 85 2021
  • Huawei Smart Screen S Pro 55
  • Huawei Smart Screen S Pro 65
  • Huawei Smart Screen S Pro 75
  • Huawei Smart Screen S 55
  • Huawei Smart Screen S 65
  • Huawei Smart Screen S 75
  • Huawei Smart Screen X 65
  • Huawei P30
  • Huawei Mate 20 X 4G
  • Huawei Mate 20 X 5G
  • Huawei Mate X
  • Huawei P30 Pro
  • Huawei Nova 5 Pro
  • Huawei Enjoy 20 Pro 5G
  • Huawei Enjoy Z 5G
  • Huawei Enjoy 20 Plus 5G
  • Huawei Maimang 9
  • Huawei MediaPad M6 10.8-inch
  • Huawei MediaPad M6 8.4-inch
  • Huawei MediaPad M6 Turbo Edition
  • Huawei Enjoy Tablet 2

Devices that will get HarmonyOS from the first half of 2022:

  • Huawei Mate 10
  • Huawei Mate 10 Pro
  • Huawei Mate 10 Porsche Design
  • Huawei Mate RS Porsche Design
  • Huawei P20 Pro
  • Huawei P20
  • Huawei Nova 4
  • Huawei Nova 3
  • Huawei Nova 5i Pro
  • Huawei Nova 5z
  • Huawei Nova 5
  • Huawei Nova 4e
  • Huawei Maimang 8
  • Huawei Enjoy 9S
  • Huawei Nova 5i
  • Huawei Enjoy 10 Plus
  • Huawei Mate 9
  • Huawei Mate 9 Pro
  • Huawei Mate 9 Porsche Design
  • Huawei P10
  • Huawei P10 Plus
  • Huawei Nova 2s
  • Huawei Enjoy 10
  • Huawei Enjoy 10s
  • Huawei Enjoy 9 Plus
  • Huawei Nova 3i
  • Huawei MediaPad M5 10.8 inches
  • Huawei MediaPad M5 8.4 inches
  • Huawei MediaPad M5 Pro 10.8 inches
  • Huawei MediaPad M5 Youth Edition 10.8 inches
  • Huawei MediaPad M5 Youth Edition 8 inches
  • Huawei Enjoy Tablet
  • Huawei Smart Screen V55i
  • Huawei Smart Screen V65i
  • Huawei Smart Screen V 65
  • Huawei Smart Screen V 65 2019
  • Huawei Smart Screen V 76 2019


  1. This plan will first apply to the Chinese models
  2. This list could be updated
  3. Global Huawei models could differ from the Chinese model
  4. Rollout time for global models could be different

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120 million HarmonyOS celebration but no global release date yet



Huawei HarmonyOS

Huawei HarmonyOS comes with various distributed features that are designed to provide a seamless interconnected user experience. Therefore, every Huawei smartphone user across the globe wants to install this new operating system including the latest features.

Still, HarmonyOS remains exclusive to the Chinese consumers, which is a bit disappointing to the global consumers who are eagerly waiting to get their hands on this mobile software. In the meantime, Huawei continues to ramp up the HarmonyOS upgrades in smartphones and the numbers are increasing sharply.

On September 13, during an office product launch event, Yu Chengdong announced that HarmonyOS has crossed 100 million upgrades in China but the celebration was global. Yes, the success must be shared with every bit of the Huawei consumers but the fans also want to know when it’ll come for the global market.

Within the next 15 days, He Gang, President of Huawei Consumer Business Product Line, announced 120 million HarmonyOS upgrades in smartphones and smart devices. This is a huge step and a milestone from Huawei that is very hard to achieve by any mobile software maker but the Chinese tech giant did it with the help of its consumers.

HarmonyOS 120 Million upgrades

No Global Rollout:

There could be many factors that have caused the delay of HarmonyOS global arrival. On the other hand, we seemingly believe that the Chinese software maker is now working to resolve the ongoing issues to put HarmonyOS in global users’ hands.

We definitely want Huawei to touch new heights with HarmonyOS but the question of global consumers is also valid and reasonable. Therefore, their queries must be satisfied and fulfilled as soon as possible.

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Huawei updated HarmonyOS JavaUI Framework content




Huawei has an important JavaUI framework in the development of HarmonyOS that developers need to adopt to build apps for this operating system. Moving on, based on the feedback from developers and improvement suggestions, the JavaUI framework content of the Huawei HarmonyOS official website document has been updated, which is mainly reflected in the new development guide and development instructions.

1. New component development guide

In this update, a new development guide for PopupDialog and CommonDialog components has been added.

PopupDialog component:

PopupDialog is a bubble dialog box that pops up on the current interface, which can be displayed by referring to components or screens. Developers can create a bubble dialog box through the PopupDialog construction method and use common methods such as setArrowOffset, setArrowSize, and setBackColor to set the size, background, and arrow style of the bubble dialog box. In addition, you can also use setCustomComponent to make some custom settings.


harmonyos javaUi framework

For a detailed PopupDialog component development guide, please visit the official website:

CommonDialog component:

CommonDialog is a dialog box in which the user cannot manipulate the contents of other interfaces before the pop-up box disappears. It is usually used to display information or operations that the user currently needs or the user must pay attention to.


Developers can use CommonDialog’s construction method to create a dialog box, and use common methods such as setSize, setOffset, setCornerRadius to set the size, offset, and rounded corners of the dialog box, and then use the setDuration method to set the duration before the dialog box is automatically closed. . Developers can also use setCustomComponent to make some custom settings.

harmonyos javaUi framework

For a detailed CommonDialog component development guide, please visit the official website:

Supplemental component development instructions:

In this update, on the basis of the original component development guide, the ToastDialog component, Picker component, TableLayout layout, and custom component development guide content have been supplemented, so that developers can more easily understand and master them in the process of reading the document. development process. The following is the content of this supplementary explanation.


ToastDialog component

The ToastDialog component is a dialog box that pops up at the top of the window and is simple feedback for notification operations. This update adds the interface description of the ToastDialog component. Developers can obtain the corresponding construction methods and common methods to better create, use and customize the ToastDialog. ToastDialog component adds interface description content.

ToastDialog component official website guide:


Picker component

The Picker component provides a sliding selector. In this update, the usage example of the multi-level association of the Picker component is supplemented, so that developers can better develop and realize the scene requirements related to the multi-level Picker association. Picker components are multi-level associations.

Picker component official website guide:


TableLayout layout:

TableLayout divides the sub-components in a tabular way. This update supplements the usage examples of the row and column properties of the TableLayout sub-components. Developers can achieve the effect of cell merging by setting the row and column properties of the TableLayout sub-components. Use TableLayout to merge cells.

TableLayout layout guide on the official website:


Custom component

Custom components are components created by developers based on design requirements. This update adds the complete sample code of the custom component and adjusts the function of the custom ring component in the document so that the color of the ring can be changed every time you click/lift it. The effect of the custom ring component.

Custom component official website guide:


Suggestions and feedback:

Huawei said it insists on listening to developers and continuously optimizing the document experience. Developers have any documentation problems and suggestions during the development process, and they can provide feedback in the following two ways:

Directly click the “Feedback” button under the development document to give feedback;

Under the “HarmonyOS” section of the Huawei Developer Forum, click “Post Topic” to give feedback.

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