Other changes include improvements to the notifications, which can be accessed from the lockscreen and displayed within applications as top-of-the-screen banners. One of the most prominent changes in the Lollipop release is a redesigned user interface built around a design language known as Material Design, which was made to retain a paper-like feel to the interface. It is the fifth major update and the twelfth version of Android. Its source code was made available on November 3, 2014. Unveiled on Jat the Google I/O 2014 conference, it became available through official over-the-air (OTA) updates on November 12, 2014, for select devices that run distributions of Android serviced by Google (such as Nexus and Google Play edition devices). Android Lollipop home screen with some stock Google appsĥ.1.1_r38 (LMY49M) / July 5, 2016 5 years ago ( ) Īndroid Lollipop ( codenamed Android L during development) is the fifth major version of the Android mobile operating system developed by Google and the 12th version of Android, spanning versions between 5.0 and 5.1.1.