Android 1.6: Donut

 Android 1.6 Donut was the fourth major release of the Android operating system. It was officially released on September 15, 2009, following the release of Android 1.5 Cupcake. Donut introduced several new features and improvements to the Android platform. Here are some key features of Android 1.6 Donut:

1. Quick search box: Donut introduced the Quick Search Box feature, which allowed users to quickly search for information on their device or the web. The search box could be accessed from the home screen or by long-pressing the search button.

2. Improved camera and gallery: Donut included improvements to the camera and gallery applications. It added support for different camera modes, including macro and panorama modes. The gallery app also received enhancements, such as faster loading times and the ability to select multiple photos for deletion.

3. Updated Android Market: Android 1.6 introduced an updated version of the Android Market, the primary marketplace for downloading and installing apps on Android devices. The updated market included improved browsing and searching capabilities, as well as the ability to see screenshots and reviews for apps.

4. Text-to-speech synthesis: Donut added support for text-to-speech synthesis, allowing Android devices to read aloud text displayed on the screen. This feature could be used in various applications, including messaging and web browsing.

5. Battery usage indicator: Android 1.6 included a battery usage indicator that allowed users to see which apps or services were consuming the most battery power. This feature helped users identify power-hungry apps and optimize battery usage.

6. Gesture framework: Donut introduced a gesture framework that allowed developers to incorporate gesture-based interactions into their applications. This framework opened up new possibilities for navigation and user interaction.

7. Improved VPN support: Android 1.6 enhanced the Virtual Private Network (VPN) support, providing better security and connectivity options for users.

Android 1.6 Donut built upon the foundation laid by Cupcake and added several new features and improvements to enhance the user experience and expand the capabilities of Android devices.