# Android Eclair

> Android version 2.0 (Android API Level 5)

**Wikidata**: [Q15621504](https://www.wikidata.org/wiki/Q15621504)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Android_Eclair)  
**Source**: https://4ort.xyz/entity/android-eclair

## Summary
Android Eclair is the codename for Android version 2.0 (API Level 5), a mobile operating system developed by Google. Released in October 2009, it introduced significant improvements to the Android platform, including enhanced user interface features, performance optimizations, and support for new hardware capabilities.

## Key Facts
- **Release Date**: Android Eclair (version 2.0) was officially released on **October 26, 2009**, with subsequent updates (2.0.1 and 2.1) following in late 2009 and early 2010.
- **Developer**: Created by **Google**, as part of the Android operating system lineage.
- **API Level**: Corresponds to **Android API Level 5**, a major milestone in Android’s development.
- **Predecessor/Successor**: Succeeded **Android Donut (1.6)** and was followed by **Android Froyo (2.2)**.
- **Notable Devices**: Ran on popular smartphones like the **Nexus One**, **HTC Desire**, and **Samsung Galaxy S**.
- **Version History**:
  - **2.0**: Initial release (October 26, 2009).
  - **2.0.1**: Minor update (December 3, 2009).
  - **2.1**: Major update (January 12, 2010), with additional features and bug fixes.
- **Named After**: The dessert **éclair**, following Google’s tradition of naming Android versions after sweets.
- **Package Management**: Uses **APK (Android Package Kit)** for app distribution.

## FAQs
### Q: What is Android Eclair?
A: Android Eclair is the codename for Android version 2.0, released in October 2009. It introduced major improvements to the Android OS, including a refined UI, better performance, and support for new hardware features like multi-touch and Bluetooth 2.1.

### Q: Which devices ran Android Eclair?
A: Notable devices include the **Nexus One** (Google’s flagship phone at the time), **HTC Desire**, **Samsung Galaxy S**, and the Japanese **T-01C** smartphone.

### Q: What were the key features of Android Eclair?
A: Key features included **multi-touch support**, **live wallpapers**, **improved Google Maps navigation**, **Bluetooth 2.1**, **HTML5 browser support**, and **enhanced camera functionality** (e.g., flash support and digital zoom).

### Q: When was Android Eclair replaced?
A: It was succeeded by **Android Froyo (2.2)**, released on **May 20, 2010**, which introduced further performance improvements and new features like USB tethering.

### Q: What does "Eclair" mean in the context of Android?
A: Like other Android versions, Eclair is named after a dessert (a French pastry). Google’s naming convention for Android versions follows an alphabetical order of sweet treats.

## Why It Matters
Android Eclair marked a significant evolution in the Android operating system, bridging the gap between early, basic versions and the more polished, feature-rich iterations that followed. Its introduction of **multi-touch support** and **live wallpapers** set new standards for mobile user interfaces, while improvements in **browser performance** (HTML5 support) and **navigation** (Google Maps turn-by-turn directions) enhanced the practicality of smartphones. Eclair also expanded hardware compatibility, enabling manufacturers like HTC and Samsung to develop more advanced devices. By refining the Android experience, Eclair helped solidify Google’s position in the mobile OS market, competing more effectively with iOS and other platforms. Its legacy is evident in many features that became staples in later Android versions.

## Notable For
- **First Android version with multi-touch support**, enabling pinch-to-zoom and other gestures.
- **Introduction of live wallpapers**, allowing dynamic, animated backgrounds.
- **Enhanced Google Maps Navigation**, providing free turn-by-turn GPS directions.
- **Support for Bluetooth 2.1**, improving connectivity for accessories like headsets and keyboards.
- **HTML5 and improved browser performance**, making web browsing faster and more capable.

## Body
### Overview
Android Eclair (version 2.0) was the fifth major release of the Android operating system, developed by Google. It was officially unveiled on **October 26, 2009**, with subsequent updates (2.0.1 and 2.1) rolling out over the following months. Eclair was a pivotal release that addressed many limitations of earlier versions, introducing features that became fundamental to modern smartphones.

### Key Features and Improvements
- **User Interface**:
  - **Live wallpapers**: Users could set animated backgrounds, a novelty at the time.
  - **Improved home screen**: Added support for multiple home screens and customizable widgets.
  - **Refined UI elements**: More polished icons, menus, and transitions.

- **Hardware Support**:
  - **Multi-touch**: Enabled gestures like pinch-to-zoom, previously limited by hardware constraints.
  - **Bluetooth 2.1**: Improved compatibility with peripherals (e.g., wireless headsets, keyboards).
  - **Camera enhancements**: Added support for **flash**, **digital zoom**, and **scene modes**.

- **Software and Performance**:
  - **HTML5 browser support**: Faster rendering and support for modern web standards.
  - **Google Maps Navigation**: Free turn-by-turn GPS navigation, competing with dedicated GPS devices.
  - **Account sync**: Improved synchronization for multiple Google accounts (e.g., Gmail, Calendar).
  - **Exchange support**: Better integration with Microsoft Exchange for enterprise users.

- **Developer Tools**:
  - **API Level 5**: Introduced new APIs for developers, including better access to contacts, Bluetooth, and sensor data.
  - **Improved Android Market**: Faster app downloads and better discovery features.

### Device Compatibility
Android Eclair was designed to run on a range of devices, including:
- **Nexus One** (Google’s flagship phone, released January 2010).
- **HTC Desire** (a popular high-end smartphone in 2010).
- **Samsung Galaxy S** (one of Samsung’s first major Android successes).
- **Samsung i8000** (an early Samsung smartphone).
- **T-01C** (a Japanese-market smartphone).

### Version History
- **Android 2.0 (Eclair)**: Released **October 26, 2009**.
  - Initial release with core features like multi-touch and live wallpapers.
- **Android 2.0.1**: Released **December 3, 2009**.
  - Minor bug fixes and performance improvements.
- **Android 2.1**: Released **January 12, 2010**.
  - Major update with additional API features and UI refinements.
  - Included **2.1-update1**, addressing further bugs.

### Legacy
Eclair laid the groundwork for future Android versions by introducing features that are now considered standard. Its focus on **performance**, **usability**, and **hardware compatibility** helped Android gain traction against competitors like iOS and Symbian. Many of its innovations, such as **live wallpapers** and **multi-touch**, became expected features in subsequent releases.

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## References

1. [Source](https://source.android.com/docs/compatibility/2.1/versions)