Coding Style of XWalk for Android

The content on this page has been migrated to the main website at: https://crosswalk-project.org/#contribute/coding_style (as of 2014-06-25). Please make any modifications there.

General Coding Style

In genral, we follow the Chromium coding style: http://www.chromium.org/developers/coding-style, and there are some basic rules:

• NEVER use TAB, use spaces instead of TAB
• Do NOT leave spaces at the end of line
• Do NOT leave blank lines at the end of file
• Be CAREFUL with License headers

Coding Style of C++

For C++ Coding style, we basically follow Google C++ Style Guide:

• http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml

Coding Style of Java

For Java Code, we follow the Android Open Source style guide

• http://source.android.com/source/code-style.html
• http://www.chromium.org/developers/coding-style/java

Coding Style of Python

Python code should follow PEP-8, except that Chromium uses two-space indentation instead of four-space indentation, and it uses MixedCase for method names and function names instead of lower_case_with_underscores. PEP-8 guide:

• http://www.python.org/dev/peps/pep-0008/
• http://www.chromium.org/chromium-os/python-style-guidelines
• Two-space indentation instead of four-space indentation
• Uses MixedCase for method names and function names instead of lower_case_with_underscores

Coding Style of HTML/JavaScript/CSS

For Web resources, we follow Chromium's "Web Development Style Guide":

• http://www.chromium.org/developers/web-development-style-guide