Samples

Contents

1. Google Mail Checker
   1. h3Name
2. Subscribe in Feed Reader
   1. h3Name
3. News Reader
   1. h3Name
4. Other samples
   1. h3Name
API reference
1. Properties
   1. propertyName
2. Methods
   1. methodName
3. Events
   1. eventName
4. Types
   1. id

This page shows some sample extensions, with links that let you install them and find their source code. Each sample also has links to the documentation for each feature used by the sample.

Note: To run these samples, you need to be using the Dev Channel of Google Chrome.

For more example code, see the Chromium examples directory.

Google Mail Checker

Adds a Google Mail button to the toolbar which displays the number of unread messages in your inbox. You can also click the button to open your inbox.

Included with no charge is a swell animation when the number of unread items changes.

Install   Source code

Features used:

• Browser action (with canvas-based animation)
• Badge
• Background page
• Cross-origin XMLHttpRequest
• Tabs module

Subscribe in Feed Reader

Adds a small icon to the omnibox when a web page contains a feed that can be subscribed to. When you click the icon, present a preview of the feed and the option to subscribe in the web-based reader of your choice.

Install   Source code

Features used:

• Page action
• Background page
• Content scripts
• Message passing
• Cross-origin XMLHttpRequest

News Reader

Displays the first 5 items from the 'Google News - top news' RSS feed in a popup. Also shows how a popup can dynamically resize itself to fit additional content.

Install   Source code

Features used:

• Browser action
• Cross-origin XMLHttpRequest

Other samples

These samples use similar capabilities to the ones above, but to implement different features.

• Chromium buildbot monitor: Monitors the Chromium tree status. Install Source
• Mappy: Easily access a map for the first address on any web page. Install Source
• Email this page: Share the web page you are viewing by sending it as an email. Install Source