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Questions tagged [art]

ART (Android RunTime) is an experimental Virtual Machine (VM) added in Android 4.4 (KitKat) as an alternative to the original Dalvik VM. Like Dalvik, it uses .dex files. Unlike Dalvik, it converts .dex files to .oat files on installation. ART is the default VM in the upcoming Android L release.

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28 votes
1 answer
4k views

What kind of app optimizations do newer Android versions do at the first reboot?

I received from my phone carrier, Vodafone IT, the official OTA Google update to Android Ice Cream Sandwich 4.0.4 on my Nexus S. When automatically rebooting for the first time after the update, the ...
Paolo Amoroso's user avatar
6 votes
3 answers
12k views

Should Dalvik Cache be wiped in Android OS that supports ART?

When switching custom ROMs (in ART), is it necessary to wipe the Dalvik Cache? Wiping the Cache is necessary, but should wiping Dalvik (which doesn't exist in Android Lollipop and afterward) be ...
doylefermi's user avatar
4 votes
1 answer
155k views

How to fix instant lock “unfortunately com.android.systemui has stopped” on Moto G with ART

I have had this problem for a couple of days on my first-generation Motorola Moto G. Normally a restart would fix it. However now I am faced with the following error message when trying to unlock the ...
bennettleben's user avatar
4 votes
5 answers
8k views

Moto E Not Starting Properly After Changing runtime to ART

I have recently bought a MOTO E and it's working cool. Then I have enabled Developer options and changed my runtime from Dalvik to ART. Afterwards I restarted my device. I got the message saying ...
Software Sainath's user avatar
2 votes
1 answer
15k views

Xposed Framework with KitKat ART?

I have an SGS-I8190 with CM11 from http://maclaw.pl/ I explored the Xposed Framework, but it is not compatible with ART. It switches back to the old buggy and lame Dalvik. XDA says, that ART ...
m0ddixx's user avatar
  • 33
2 votes
1 answer
909 views

Is deleting /system/bin/dex2oat file safe?

I was looking into a couple of Android tombstones files of an old Samsung phone running Marshmallow. Found a crash in every single one with the same culprit, dex2oat. From my limited understanding it ...
Ertox's user avatar
  • 21
1 vote
2 answers
2k views

Should I switch to ART? [closed]

ART has better performance and better battery life on paper at least. Should I consider switching to it on my moto g? What are the results I can expect? What precautions should I take? Is it easy to ...
kBisla's user avatar
  • 367
0 votes
2 answers
4k views

How to clear caches in LG G2 running Lollipop 5.0.2?

The Lollipop update for AT&T LG G2 has pretty much destroyed my phone. I'm hoping clearing out every sort of cache might help. But I can't clear the caches the usual ways because (1) the ...
LakeHMM's user avatar
  • 350
22 votes
1 answer
23k views

Manually switch from ART to Dalvik

I wanted to try out the new ART runtime, but didn't realize my custom ROM doesn't support it. So now I am getting recurring Force Closed messages after booting, and can't get through to the settings ...
David B.'s user avatar
  • 223
20 votes
3 answers
119k views

Clear Caches from ADB?

How do I clear caches (app, individual apps, Dalvik, ART if possible) via ADB? Using apps, recovery, or doing it through Settings are not options for me. Also, my phone is not rooted.
LakeHMM's user avatar
  • 350
1 vote
1 answer
5k views

Moto E is not switching on after changing runtime to ART

I changed the runtime option from Dalvik to ART. It asked for a restart. When I did the restart, Moto E has been stuck in boot time. When I hold the power button for sometime, it starts again. It ...
Sumanth Lingappa's user avatar
0 votes
1 answer
764 views

ART Runtime vs Dalvik Runtime [duplicate]

Recently I was looking through developer options on my Moto X and I was interested by the option to do runtime in either dalvik or ART. After doing some research I decided to change my runtime to ART. ...
michaelpri's user avatar