According to the information, HarmonyOS 3.1 developer beta is currently being announced for the first phase of devices including Huawei P50 and P50 Pro. However, Huawei has confirmed to add more devices to the test pool later on. Also, a more friendly and subtle beta test is likely to begin in March.

To be mentioned, HarmonyOS 3.1 developer open beta recruitment is applicable until February 13, 2023. Afterward, Huawei will review the test applications. Selected testers will receive an email or SMS to download HarmonyOS 3.1 developer beta OTA rollout.

Also, this beta activity is available only for the Chinese models and only real authenticated accounts will pass the developer beta signup.

HarmonyOS 3.1 comes constructively adds a new ArkTS language, and with the latest public test, you will experience the improvements and efficiency of the app powered by ArkTS language, STage model, ArkUI, and more.

Below you can check the HarmonyOS 3.1 developer preview features:

• The ability framework adds a stage development model, including stage model life cycle management, scheduling, callback, context acquisition, authentication, and more. At the same time, the operation and management capabilities of the application are enhanced.
• The ArkUI development framework enhances the declarative Canvas/XComponent component capabilities, enhances component layout capabilities and state management capabilities, and optimizes the usability of some components.
• Application package management adds an interface for querying properties related to applications, ability, and ExtensionAbility.
• The common basic class library supports Buffer binary reading and writing.
• Web services add support for document preview and basic editing functions of document-type web applications, as well as cookie management and storage management.
• Added support for YUV, webp image codec, and other capabilities for graphics and images. Added native vsync capabilities, and supports self-drawing engines to independently control the rendering rhythm.
• Added camera configuration and preview functions in Media Services.
• The window service adds window-related interfaces under the Stage model, which enhances the window rotation capability and enhances the avoidance area query capability.
• The globalization service has newly added support for internationalization enhancement capabilities such as time zone lists, transliteration, and phone number attribution.
• The basic capabilities of common events are enhanced, and the commonEvent module is changed to commonEventManager.
• The resource management service adds a synchronization interface for resource acquisition, a new interface for querying resource values ​​​​based on names, a new interface for querying number and float resource types, and a new way for Stage model resource query.
• Input method service adds input method cursor direction constant.

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Apart from mending the common bugs and issues of the internal framework, the company has also integrated the May 2022 security patch to enhance the system stability and overall security of the smartphone.

However, the OnePlus 10 Pro Android 13 DP2 ColorOS has some known issues that accompany the Developer Preview pack. Hence, users must take a look at these notable points, before heading to the changelog section.

Known Issues:

• Music cannot be paused normally with wired headphones
• In some scenarios, the UI has a low probability of abnormality
• The gesture operation function has a low probability of abnormality when the screen is black
• Video call button not responding
• Low probability of automatic backlight abnormality
• A flashback occurs when setting the fingerprint style
• Switching the refresh rate causes lag
• Three-party apps such as iQiyi, WiFi Master Key, and Taote crashed
• The fingerprint display is abnormal in some scenarios

Although, it is not important that these issues will become a halt in the Android Developer Preview path. So users can give a chance to the update package.

Android 13 DP2 ColorOS Changelog

System:

• Fixes the problem that the data usage is not visible
• Fixes the problem is that the system’s built-in browser can open the webpage abnormally
• Fixes the problem of flashback when turning off and enabling the 5G switch
• Fixes the problem that the lock screen password must be in the boot wizard interface to enter the desktop when flashing and restoring to factory settings

• Android security patch to May 2022 to improve system security

Camera:

• [Optimized] The overall shooting effect of the camera improves the user experience.

Download Links

Here we are mentioning links that lead you to the Android 13 (ColorOS) Developer Preview 2. Although, users also have a choice to switch back to the Android 12 system on facing major issues.

OnePlus 10 Pro

Download link for upgrade package from Android 13 DP1 to Android 13 DP2:LINK

Download link for downgrade package from Android 13 to Android 12: LINK

|| Source ||

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According to Google, Android 13 will continue to focus on privacy and security, the company is also focusing to provide a better development environment for the developers. In addition to this announcement, Google will also bring new updates for Android 12L that help you to take advantage of an optimized user experience on over 250 million large display devices.

Let’s check the latest offering from Android 13 developer preview 1:

Privacy & security are the core and essential part of the Android and Android 13 brings new photo picker, which adds a standard and optimized way for users to share both local and cloud based photos securely.

Nearby device permission for Wi-Fi:

Android 13 also brings NEARBY_WIFI_DEVICES runtime permission (part of the NEARBY_DEVICES permission group) for apps that manage a device’s connection to nearby access points over Wi-Fi.

There are also various developer productivity tools and API that has been added to simplify the process of Android app development with the Android 13 Developer Preview 1.

These includes:

1. Quick Settings Placement
2. Themed app icons
3. App specific language
4. Fast hyphenation
5. Programmable shaders
6. OpenJDK 11 Updates

Although, these features has a lot to discover but we’ll going to focus on key ones.

Quick settings placement – Quick Settings in the notification shade is a convenient way for users to change settings or take quick actions without leaving the context of an app. Apps that uses custom tiles can now discover and add your the app tile to quick settings with this new API.

Themed app icons:

Android 13 takes the Material You Beyond its initial launch with Android 12. Therefore, Android 13 dymaic color theme will allow you to opt into icons that adopts the tint of their wallpaper and other theme settings.

There’s more you could know about the Android 13 developer preview 1. Read here.

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The 2.0 developer preview beta will lead us towards HarmonyOS 3.0 public beta, which will start around March this year. On the other hand, the company will allow you to participate in the beta testing as soon as it starts.

In late 2019, Huawei introduced HarmonyOS operating system for all scenario-based interactions and software that could work on all devices. At HDC 2020, the Chinese tech maker unveiled HarmonyOS 2.0 that comes with new platform support such as – smartphones, tablets, smartwatches, smart car systems, smartphones, and other IoT devices. The operating now also supports third-party devices.

Last October, at Huawei Developer Conference 2021 (HDC 2021), Huawei launched the developer preview of HarmonyOS 3.0. However, the initial builds are only available for the developers and may the first quarter to reach public consumers.

HarmonyOS:

On December 23, 2021, Huawei announced to achieve 220 million HarmonyOS operating system installation on devices. of which, most of them are active smartphone users. However, the company has also announced that it has installed HarmonyOS in over 300 million devices, which consists of over 100 million HarmonyOS Connect models.

The latter figure is hugely contributed by the third-party device makers such as home appliances and electronics industry partners that could use this OS even on low memory as 128KB.

HarmonyOS 3.0:

HarmonyOS 3.0 has three major improvements over its predecessor including system architecture, super device, and one-time development for multi-time deployment. According to Huawei, the new version of HarmonyOS can be flexibly deployed to various support platforms using the same programming language.

HarmonyOS 3.0 developer preview brings more flexibility for the developers and makes them easy to develop apps for various system architecture with only one-time development.

Aside from this, distributed technology has always been the center of HarmonyOS, and derives so many features that become a stepping stone for this new Huawei software.

HarmonyOS 3.0 developer preview brings better networking enhancement that allows the system’s distributed capabilities to support more devices and better performance for the overall scenario.

For example, a smartphone, a smart TV, and 4 speakers can be merged into a 6 connected super device. This would give you a theater-like use experience and viewing smartphone content on a large screen with better sound.

(via – ithome)

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In this Developer Preview, Google has added fixes for general features and apps (via 9to5Google).

Android 11 Developer Preview 2.1 changes and fixes linked below.

General:

• Fixed an issue where a crash would occur when long pressing to select an element within the recent apps overview.
• Fixed an issue where the status bar could crash in the background if its components weren’t all initialized yet.
• Fixed an issue where too many WindowTokens were created by SystemUI causing jankiness and dropped frames when navigating and scrolling apps.

Apps:

• Fixed an issue where the Wear OS app could crash when trying to pair a Wear OS device.
• Fixed an issue where the Settings app could crash after tapping the search bar in the app.

Android 11 Timeline, milestones, and updates:

The Android 11 Developer Preview program runs from February 2020 until the final public release to Android Open Source Project (AOSP) and OEMs, planned for Q3 2020.

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Android 11 Developer Preview 1 is an early baseline build that’s still in active development, so the Android system and apps running on it may contain some bugs.

Android 11 Developer Preview 1.1 (March 2020)

This minor update to Android 11 Developer Preview 1 includes the following critical fixes and changes:

• Privacy
  • Apps targeting Android 11 no longer receive an erroneous security exception if they try to request a foreground location permission, such as ACCESS_COARSE_LOCATION or ACCESS_FINE_LOCATION, and any other permission at the same time.
• Android Studio and tools
  • armeabi-v7a apps no longer cause x86 Emulator images to crash.
  • NDK apps targeting Android 11 are no longer blocked from building because of an issue with the Android Gradle Plugin. This fix is included in both Android Studio 4.0 Beta 2 (or higher) and Android Studio 4.1 Canary 1 (or higher).
• Non-SDK interface restrictions
  • Greylist restrictions have been temporarily relaxed on a small number of methods used by OkHTTP and related SDKs that are in widespread use. This should provide app developers with more time to test and update their libraries before these restrictions are reinstated later in the Developer Preview.
• Apps
  • Fixed an issue where a fatal exception was being thrown by com.android.phone.
• GSI
  • Fixed an issue where using the gsi_gms_arm64-userdebug build failed to boot on Pixel 3 devices.
  • Fixed an issue where the Setup Wizard would crash when running on Pixel 4 XL devices.

As the name says the Android 11 Developer Preview is for developers only, to help them with early development, testing, and feedback.

Android 11 includes behavior changes to help improve performance, battery life, security, and privacy.

Huawei will launch EMUI 11 based on Android 11 at Huawei Developer Conference 2020 scheduled to be held in the second half of 2020.

Also, Check:

https://www.huaweicentral.com/emui-11-latest-news-eligible-devices-features-and-launch-date/

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