We've received mixed reports about switching to ART but it seems that the majority of users who make the jump see some type of improvement. But just how noticeable is this improvement in app performance? Let us know if switching to ART has brought noticeable changes to your device's performance.
Nook Tablet Exploit Allows Modification of System Files and Copy/Paste
Sometimes it only takes one exploit or one little piece of development to blow the lid off of a device’s development. For most devices, that exploit is root access. However, even after achieving root, things can go wrong. Take the Barnes & Noble Nook Tablet for instance. Even when rooted, many difficulties were faced when modifying system files. Until now, that is.
XDA Forum Member jichuan89 has published a method that allows Nook Tablet owners to modify their system files. As for icing on the cake, the developer used the exploit to give copy/paste functionality on stock, rooted Nook Tablets—an exploit and a feature add-on in the same day! Essentially, /system/bin/uim-sysfs can modify the /system partition, as long as it changes everything back before the reboot. In the words of the developer:
and discovered that /init.omap4430.rc starts /system/bin/uim-sysfs with root permissions at boot, but /system/bin/uim-sysfs does not actually exist. In addition, /system/bin/uim-sysfs is not in /manifest00 or /manifest01, and is thus not verified by /init.
For those who aren’t so technically inclined, it basically means that uim-sysfs can do whatever it wants to the Nook Tablet, as long as all stock settings are restored before rebooting so that it doesn’t get caught by the built-in security of the device.
The method for the Copy/Paste functionality uses this fun little exploit, and is quite simple. Simply drag and drop files into the folders specified. However, it’s best to make a backup before attempting the Copy/Paste mod, as it can throw the Nook Tablet into boot loops.
Head on over to the exploit thread for all the nitty-gritty on uim-sysfs. Those looking to incorporate copy/paste functionality should head over to the copy/paste thread for download links, a video tutorial, and additional information.
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