{"id":3049,"date":"2013-07-29T10:00:25","date_gmt":"2013-07-29T14:00:25","guid":{"rendered":"http:\/\/blog.nccomputertech.com\/?p=3049"},"modified":"2013-07-29T10:00:25","modified_gmt":"2013-07-29T14:00:25","slug":"android-4-3-hides-support-for-4k-displays-and-granular-permissions-options","status":"publish","type":"post","link":"https:\/\/nccomputertech.com\/techtalk\/2013\/07\/29\/android-4-3-hides-support-for-4k-displays-and-granular-permissions-options\/","title":{"rendered":"Android 4.3 hides support for 4K displays and granular permissions options"},"content":{"rendered":"

\"\"<\/a><\/p>\n

We already knew Android 4.3 focused on under-the-hood improvements, but it appears there are at least a couple more hidden features than Google let on.
\nThe permissions list for the Bump app, as seen through App Ops. (Click to enlarge.)
\nAs Android Police first discovered, Android 4.3 includes a hidden permissions manager, called \u201cApp ops,\u201d which can prevent apps from accessing certain types of information.
\nThis feature clearly isn’t ready for the average user, so Google has kept it well-hidden. You can find it yourself through any app that lets you view Activities, such as Nova Launcher or Activity Launcher. When looking through these Activities, look under Settings and find the option for App ops. If that sounds too complicated, you can just download the Permission Manager app, which is simply a shortcut to this hidden feature.
\nOnce inside App ops, you’ll see a list of all your apps, along with a granular list of their permissions. Tapping on any app lets you toggle those permissions on and off. This could be useful if you don’t want an app to check for your location, but the app itself doesn’t provide a way to turn off location checking.
\nIt is, however, a brute force tactic. The apps themselves won’t really know what’s going on when you’ve turned off a permission. If you turn off location checking, for example, the app will simply fail to find your location. It won’t show any kind of reminder that its permissions have been shut down. (By comparison, if you turn off GPS in phone settings, many apps will remind you that you need to turn it back on.)
\nAlso, as Android Police notes, some apps don’t show all of their permissions until you’ve actually used them within the app itself. In Bump, for instance, the permissions for \u201cVibrate\u201d and \u201cPost notification\u201d only show up once you’ve opened the app and tried to transfer something. As it stands, App ops could help for the occasional location-based permission, but it won’t be too useful for anything else.
\n4K for the future
\n4K resolution support? Yeah, Android 4.3 has that.
\nAnother intriguing hidden nugget, also discovered by Android Police, is support for 4K resolution. More specifically, the source code supports \u201cXXXHDPI\u201d pixel densities, going beyond those found in the sharpest-looking Android phones. \u201cA typical use of this density would be 4K television screens\u20143840×2160, which is 2x a traditional HD 1920×1080 screen which runs at DENSITY_XHIGH,\u201d says a note in the source code.
\nAlthough there’s little need for a phone with higher than 1080p resolution, or a tablet with higher than 2560-by-1600 resolution, support for 4K could be useful down the line if 4K televisions and monitors become more popular.
\nWe’re going out on a limb here, but with Miracast support now built into Android, and Google showing more interest in phone-to-TV controls with Chromecast, it’s clear that Google wants Android to play a bigger role in the living room. 4K support is of little use for Android now, but it might as well be in place for the future.
\nvia Android 4.3 hides support for 4K displays and granular permissions options | TechHive<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

We already knew Android 4.3 focused on under-the-hood improvements, but it appears there are at least a couple more hidden 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