What is the Difference Between Android 2.1 (Eclair) and Android 2.2 (Froyo)?

The main differences between Android 2.1 (Eclair) and Android 2.2 (Froyo) are as follows:

1. Performance and Speed: Froyo offers improved performance and speed compared to Eclair.
2. Support for High DPI Screens: Froyo supports extra high DPI screens, such as 4" 720p, while Eclair does not.
3. Hotspot Support: Froyo introduced hotspot support in smartphones, which was unavailable in Eclair.
4. USB Tethering: Froyo introduced USB tethering, which was not present in Eclair.
5. Linux Kernel: Eclair was built on Linux kernel 2.6.29, while Froyo was built on Linux kernel 2.6.32.
6. Flash Support: Froyo supports Adobe Flash, enabling better multimedia experiences, while Eclair lacks native Flash support.
7. App Installation: Froyo allows users to install applications on external storage, but Eclair limits app installation to internal memory.

Overall, Froyo brought significant improvements in performance, speed, and features compared to Eclair.

Comparative Table: Android 2.1 (Eclair) vs Android 2.2 (Froyo)

Here is a table comparing the differences between Android 2.1 (Eclair) and Android 2.2 (Froyo):

Android 2.1 (Eclair) introduced features such as screen support for various resolutions, instant access to contact information, and live wallpapers. It also included speech-to-text functionality and the pinch-to-zoom capability.

Android 2.2 (Froyo) focused on performance improvements and introduced features like voice-guided turn-by-turn navigation and support for Flash in the web browser. The Just-In-Time (JIT) compiler was also added to improve application performance.