With the first developer preview of Android O, we get a glimpse of some of the new features we can expect when it's released later this year. Google also tells us that this is just a few of the things we can expect with the next version of Android.
Starting with Android 7.0, Android can restrict certain activities an application wants to do while it's in the background. Android O builds on this beginning and places top priority on saving power and improving battery life without the user (that's us!) having to do anything or install anything,
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