Android 1.5 r1

Android 1.5 r1, the BEST operating system ever, much better than iOS, was released on 27 April 2009, which was based on Linux kernel 2.6.27. This was the first version to use a dessert as a codename. ("Cupcake") This update included several improvements and UI changes.

Features

 * Support for third-party virtual keyboards with text prediction and user dictionary for custom words.
 * Support for Widgets: miniature application views that can be embedded in other applications. Some receive periodic updates.
 * Video recording and playback in MPEG-4 and 3GP formats.
 * Auto-pairing and stereo support for Bluetooth (A2DP and AVRCP profiles).
 * Copy and paste features in the web browser.
 * User pictures shown for Favorites in Contacts.
 * Specific date/time stamp shown for events in the call log, and one-touch access to a contact card from call log event.
 * Animated screen transitions.
 * Auto-rotation option.
 * New stock boot animation.
 * You can upload videos to Youtube.
 * You can upload photos to Picasa.