Chromium
Introduction
- Chromium is an open-source web browser principally developed by Google and from which Google Chrome draws its source code. It is released under the BSD license and other permissive open-source licenses, aiming to build a safer, faster and more stable way to experience the Internet.
- OpenHarmony nweb is built on Chromium.
Software Architecture
Below is the software architecture.
- Webview component: UI component in OpenHarmony.
- nweb: native engine of the OpenHarmony web component, which is built based on the Chromium Embedded Framework (CEF).
- CEF: stands for Chromium Embedded Framework. It is an open-source project based on Google Chromium.
- Chromium: an open-source web browser principally developed by Google and released under the BSD license and other permissive open-source licenses.
Directory Structure
.
└── patch # patch directory customized for Chromium and used to build nwebview
Usage
- Run ./init_chromium.sh to initialize the source code.
- Download the Google tool set depot_tools.
- Obtain the Chromium source code and download the third-party libraries on which Chromium depends.
- Based on the source code, add nweb build modifications, including adding CEF code, adapting OpenHarmony compilation and build, nweb build source code, Chromium vulnerability patching, and nweb bug fixes.
- Note 1: For details about the CEF, visit third_party_cef.
- Compile the OpenHarmony image of the RK3568 platform in full mode. When the compilation is successful, perform step 3 to compile the nweb component in OpenHarmony.
- Note 2: For details about how to build the OpenHarmony image of the RK3568 platform, see RK3568 Build Guidelines.
- Run ./build.sh rk3568 to build the source code.
- Use DevEco Studio to package the build target into NWeb.hap, and run hdc_std install NWeb.hap to install NWeb.hap on RK3568. To download DevEco Studio, visit https://hmxt.org/deveco-studio.