OpenHarmony 3.1 Beta

Version Description

OpenHarmony 3.1 Beta provides the following enhancements over OpenHarmony 3.0 LTS:

• Enhanced basic capabilities for the standard system: The CMA usage is improved in the kernel. The background rendering module of RenderService is added to the Graphics subsystem. The STA and SoftAP features are provided for short-range communications. The geomagnetic field algorithm APIs are provided. The sensor driver model capability is enhanced. Application account query and subscription are supported. New globalization features are introduced. Unified build templates are provided for the Compilation and Building subsystem. Front-end compilation toolchains for Windows, macOS, and Linux are provided for the Multi-language Runtime subsystem. Previewer is supported for JS runtime. Six third-party JS libraries (JSON Processing, EventBus, VCard, Protobuf, RxJS, and libphonenumber) are supported. Time and time zone management is supported. The HiSysEvent module is added to DFX to provide query and subscription interfaces.

• Enhanced distributed capabilities for the standard system: The distributed device profile is added. Distributed data management supports cross-device synchronization and subscription. DSoftBus supports network switchover. The distributed file system supports StatFS APIs.

• Enhanced application framework capabilities for the standard system: The ArkUI-based custom drawing capability and Lottie animation capability are added. The implicit query and multi-HAP installation are added for the bundle management framework. Permission management, notification vibration setting, notification sound setting and query, do-not-disturb (DND) notification, and session notification are added for the Common Event and Notification subsystem.

• Enhanced system application capabilities for the standard system: Text input and landscape-mode layout display for the input method application, SMS application information management, call log and dialer display in the contacts application, and more options in Settings are supported.

• Enhanced capabilities for the mini system: The lightweight HiStreamer supports the customizable media pipeline framework. The Linux init process supports hot swap. The OS lightweight kernel and driver startup are optimized. The quick startup capability is supported.

Version Mapping

Table 1 Version mapping of software and tools

Source Code Acquisition

Prerequisites

1. Register your account with Gitee.

2. Register an SSH public key for access to Gitee.

3. Install the git client and git-lfs, and configure basic user information.

   git config --global user.name "yourname"
   git config --global user.email "your-email-address"
   git config --global credential.helper store
   

4. Run the following commands to install the repo tool:

   curl -s https://gitee.com/oschina/repo/raw/fork_flow/repo-py3 > /usr/local/bin/repo  # If you do not have the access permission to this directory, download the tool to any other accessible directory and configure the directory to the environment variable.
   chmod a+x /usr/local/bin/repo
   pip3 install -i https://repo.huaweicloud.com/repository/pypi/simple requests
   

Acquiring Source Code Using the repo Tool

Method 1 (recommended)

Use the repo tool to download the source code over SSH. (You must have an SSH public key for access to Gitee.)

repo init -u git@gitee.com:openharmony/manifest.git -b refs/tags/OpenHarmony-v3.1-Beta --no-repo-verify
repo sync -c
repo forall -c 'git lfs pull'

Method 2

Use the repo tool to download the source code over HTTPS.

repo init -u https://gitee.com/openharmony/manifest.git -b refs/tags/OpenHarmony-v3.1-Beta --no-repo-verify
repo sync -c
repo forall -c 'git lfs pull'

Acquiring Source Code from Mirrors

Table 2 Mirrors for acquiring source code

What's New

This version has the following updates to OpenHarmony 3.0 LTS.

Feature Updates

Table 3 New and enhanced features

API Updates

For details, see the following:

JS API Differences

Native API Differences

Changelog

Chip and Development Board Adaptation

For details about the adaptation status, see SIG_DevBoard.

Samples & Codelabs

New Samples

Table 4 New samples

New Codelabs

Table 5 New codelabs

Resolved Issues

Table 6 Resolved issues

Known Issues

Table 7 Known issues