Google releases first developers preview of Android O

(Telecompaper) Google has released the developers preview of the next version of the Android operating system. In an attempt to improve the battery life of smartphones, Google said Android O puts new limits on what apps can do running in the background, such as fewer location checks. The new Android also introduces 'notification channels', in order to give developers and users more control over different kinds of app notifications. In addition, Android O introduces options for picture-in-picture