Android 2.0: Éclair

Android 2.0 Éclair was the fifth major release of the Android operating system. It was officially released on October 26, 2009, following the release of Android 1.6 Donut. Éclair introduced a range of new features, improvements, and refinements to the Android platform. Here are some key features of Android 2.0 Éclair:

1. Improved user interface: Éclair brought a refreshed user interface with updated icons, colors, and overall visual design. The user interface became more polished and visually appealing compared to previous versions of Android.

2. Multiple account support: Éclair introduced the ability to add multiple Google accounts to an Android device. This allowed users to access and sync data from multiple Google accounts, such as Gmail, Contacts, and Calendar.

3. Enhanced virtual keyboard: The virtual keyboard in Éclair received improvements such as a smarter auto-correction feature, multi-touch support, and a revamped layout. These enhancements made typing on virtual keyboards more accurate and efficient.

4. HTML5 support: Éclair included improved support for HTML5 in the web browser, enabling a richer web browsing experience. This update allowed users to access and interact with more advanced web content and applications.

5. Quick Contacts: Éclair introduced the Quick Contacts feature, which allowed users to easily access contact information and communication options directly from the home screen. Tapping on a contact's photo brought up a quick contact menu.

6. Improved camera features: Éclair introduced several camera enhancements, including support for built-in flash, digital zoom, and color effects. The camera app also received performance improvements, resulting in faster image capture and overall better image quality.

7. Exchange support: Éclair added built-in support for Microsoft Exchange, allowing users to sync their Exchange email, contacts, and calendars directly on their Android devices.

8. Improved Bluetooth functionality: Bluetooth functionality was enhanced in Éclair, with support for stereo Bluetooth (A2DP) and Bluetooth 2.1 with enhanced data rate (EDR). This allowed for better audio streaming quality and faster data transfers.

9. Live wallpapers: Éclair introduced live wallpapers, which were interactive, animated backgrounds that could respond to user input and display dynamic content. Live wallpapers added a visually appealing and interactive element to the home screen.

Android 2.0 Éclair brought significant improvements to the Android platform, including a more refined user interface, enhanced keyboard functionality, better web browsing capabilities, and expanded device compatibility. It continued to solidify Android's position as a leading mobile operating system.