What is Android O
Android “Oreo” (Android O) is the eighth major version of the Android mobile operating system. It was first released as an alpha quality developer preview on March 21, 2017 and finally released to the public on August 21, 2017.
Google unveiled a statue of the dessert-themed update at 14th Street Park in Manhattan, close to the original Nabisco factory that created the first Oreo
The Sony Xperia XZ1 is the first device available with Oreo pre-installed
On March 21, 2017, Google released the first developer preview of Android “O”, available for the Nexus 5X, Nexus 6P, Nexus Player, Pixel C, and both Pixel smartphones. The second, considered beta quality, was released May 17, 2017.
Notifications can be snoozed, and batched into topic-based groups known as “channels”. Android Oreo contains integrated support for picture-in-picture modes (supported in the YouTube app for YouTube Red subscribers, and in Chrome, among others).Adding a custom ringtone, alarm or notification sound is simplified.The “Settings” app features a new design, with a white theme and deeper categorization of different settings Android TV features a new launcher.Google claims faster startup times from a powered-off state[ and improved battery life by minimizing background activity for infrequently used apps
Android Oreo adds support for Neighborhood Aware Networking (NAN) for Wi-Fi based on Wi-Fi Aware, wide color gamuts in apps, an API for autofillers, multiprocess and Google Safe Browsing support for WebViews, an API to allow system-level integration for VoIP apps, and launching activities on remote displays. Android Runtime (ART) features performance improvements and better cache handling.Android Oreo contains additional limits on apps’ background activities in order to improve battery life. Apps can specify “adaptive icons” for differently-shaped containers specified by themes, such as circles, squares, and squircles
Android Oreo re-brands automatic scanning of Google Play Store and sideloaded apps as “Google Play Protect”, and gives the feature, as well as Find My Device (formerly Android Device Manager) higher prominence in the Security menu of the Settings app. As opposed to a single, system-wide setting for enabling the installation of apps from sources outside of the Google Play Store, this function is now implemented as a permission that can be granted to individual apps (i.e. clients for third-party app repositories such as Amazon Appstore and F-Droid). Verified boot now includes a “Rollback Protection” feature, which enforces a restriction on rolling back the device to a previous version of Android, aimed at avoiding a potential thief from bypassing security measures by installing a previous version of the operating system that doesn’t have them in place.
There are multiple Bluetooth connectivity issues that were not present in previous releases. Android Oreo may use mobile data even if Wi-Fi is enabled this is very good for 4g phone but not volte