Nexus 5 lags after turning on art - Nexus 5 Q&A, Help & Troubleshooting

Hi guys... one of my friends just bought a nexus 5 and he turned on Art and then the phone rebooted normally. After the reboot, it was laggy so he turned back to dalvik hoping that this would make the phone fast as new, but it didn't happen and the phone is laggy right now... How can he repair it? Thanks in advance
EDIT: he selected again dalvik and then the phone were again fast

Should switch to art after a factory reset. Works great. Better battery and performance
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smoza said:
Hi guys... one of my friends just bought a nexus 5 and he turned on Art and then the phone rebooted normally. After the reboot, it was laggy so he turned back to dalvik hoping that this would make the phone fast as new, but it didn't happen and the phone is laggy right now... How can he repair it? Thanks in advance
EDIT: he selected again dalvik and then the phone were again fast
Click to expand...
Click to collapse
art isnt meant to be used yet, its an experimental feature thats only in kit kat so that devs can develop for it. People need to stop reporting/complaining about ART bugs and wait for the finished product

It is located in the
"Developer Options" for a reason.
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malibu_23 said:
Should switch to art after a factory reset. Works great. Better battery and performance
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Click to expand...
Click to collapse
I for one have literally no issues with art
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Related

Should I swap to ART?

So I've been reading through, some say it's fast, some say it's buggy, some apps won't work etc...
For those who have changed over... What are your opinions? Should I?
Thanks
Sent from my Nexus 5 using Tapatalk
No
Ben36 said:
So I've been reading through, some say it's fast, some say it's buggy, some apps won't work etc...
For those who have changed over... What are your opinions? Should I?
Thanks
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
ART is still work in progress atm by Google and a lot of apps are not yet optimized for ART. So for testing and trying its good but as in daily usage i would stick with Dalvik for now.
rogem_kk said:
No
Click to expand...
Click to collapse
Lol... Like to expand with a reason?
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Not ready for prime time. See above.
Thanks guys! I'll leave it alone then! Lol
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I have had no problems with ART runtime. One game I like wasn't compatible. I would suggest try it out.
stone_phalanges said:
I have had no problems with ART runtime. One game I like wasn't compatible. I would suggest try it out.
Click to expand...
Click to collapse
Is it noticeably faster? Smoother? Better battery etc to be worth even trying?
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I have found ART to be noticeably faster in app scrolling and overall load times. Poorly coded apps that have known to lag since the beginning of time now are smooth as butter. When I switched back from ART to dalvik I became somewhat disappointed because I got used to the phenomenal speed of the N5 on ART. The device still fly's on dalvik but is faster on ART, no question. Stability has been fantastic as well.
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I switched to ART a few days ago and its been blazing fast and no problems. I've had 1 game that doesn't work but its not a big deal. Its stable and I'm gonna use it everyday
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There is a thread that is starting to list apps that don't like art. I'm a hardcore tib user and art breaks tib, so I stay away. Performance is better, here and there, but I find using the right kernel and rom will match art smoothness.
My combo right now is psx and Franco. Very nice.
I switched to ART and the back key wouldn't work and nor would SwiftKey keyboard, so that's me back on dvalik lol
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stone_phalanges said:
I have had no problems with ART runtime. One game I like wasn't compatible. I would suggest try it out.
Click to expand...
Click to collapse
So you did have a problem. Don't say you had no problems when you did. It is like saying all is perfect BUT....
The pros outweigh the cons.
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I've been on ART for a little over a week without any issue. Like other have said, the scrolling is a huge improvement. App load times are faster too.
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Likewise. Running for a week now,had to find an ART optimised version of whatsapp,aside from that I've had no problems. Phone is quicker,especially scrolling, and especially xda premium app! Having said that, I run my phone with very few apps on it,so I'm less likely to meet bugs than average I guess.
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scissors_cut_paper said:
Likewise. Running for a week now,had to find an ART optimised version of whatsapp,aside from that I've had no problems. Phone is quicker,especially scrolling, and especially xda premium app! Having said that, I run my phone with very few apps on it,so I'm less likely to meet bugs than average I guess.
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Click to expand...
Click to collapse
Does SwiftKey keyboard work for you? Also do you have a link for the WhatsApp?
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Ben36 said:
Does SwiftKey keyboard work for you? Also do you have a link for the WhatsApp?
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Click to expand...
Click to collapse
What specifically did you have issues with on SwiftKey?
I'm on ART and the only problem I've run into is the same as on Dalvik, which is pressing space does not automatically insert the highlighted word without first typing a letter.
wizard7926 said:
What specifically did you have issues with on SwiftKey?
I'm on ART and the only problem I've run into is the same as on Dalvik, which is pressing space does not automatically insert the highlighted word without first typing a letter.
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Click to collapse
The app vanished from being installed and then wouldn't install afterwards.
Also my back key wouldn't work
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My swiftkey does not work as well. It simply does not open a keyboard at all, no FC, no popup... nothing.

troubles with 4.2.2

At work 400 people have a S2 Plus. After the update, many problems have arrived:
- APN settings are lost, set to basic. This could be a problem for busines phones.
- [email protected] crashes..... no worries, just an App..
- Google+ crashes... Hmm, sleightly worrying
- S Planner is messed up. Options are unreachable, Letters are massive and i'm unable to change to week view.. it's locked on month (as soon as i have pictures i'll show
- Email letters are massive... changable for email itself but buttons stay big
As soon as i find more, I'll share
Anyone else have these problems?
No I don't have these problems...May be you can reflash the Rom?
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We have about 400 S2 Plus phones here, it would not be wise to reflash all those ROM's.. about 50 of those phones have troubles.
Have you guys tried wiping data... like factory reset the whole phone
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update to 4.2.2 without wiping will have crashes in some of the apps. it will happen to other phone too(my good old ace),it's wise to have it backup then update n wipe.
I am not having such problems too.
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We just let people update, so indeed we updated without factory wipe.
I'll test it on one of the devices'.
Would another option be re-installing the apps? if i could get my hands on the apk of s-planner for instance..
at leat try to clean cash it may help ..
Try factory reset first.
Installing system apps as custom app isn't really that ideal to me
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Brian_SGW_CM9 said:
Try factory reset first.
Installing system apps as custom app isn't really that ideal to me
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Click to expand...
Click to collapse
and maybe google automaticly restores your apps
safariking said:
and maybe google automaticly restores your apps
Click to expand...
Click to collapse
In setup wizard u can choose not to restore from Google account
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Brian_SGW_CM9 said:
In setup wizard u can choose not to restore from Google account
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Click to collapse
Jups i know
Any of you have problem with phone freezing? Not in use, when it is on standby. It work only when it is rebooted (holding power button for 5 seconds) or when battery is pulled out and powered on again.
Friend of mine has this problem since he upgraded to 4.2.2. First it was often, he used Powersave option. After he turned Powersave off, phone worked normal for some day (about 10). And now the problem occurred again, without Powersave on.
shut_down said:
Any of you have problem with phone freezing? Not in use, when it is on standby. It work only when it is rebooted (holding power button for 5 seconds) or when battery is pulled out and powered on again.
Friend of mine has this problem since he upgraded to 4.2.2. First it was often, he used Powersave option. After he turned Powersave off, phone worked normal for some day (about 10). And now the problem occurred again, without Powersave on.
Click to expand...
Click to collapse
Sometimes it's not related to power save. It might just be a system bug:
Sleep of death
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Art option changes on reboot

Hi everyone,
I wanted to test the ART motor, so I put the option to ART but once reboot the option is back on Dalvik.
Anyone got a solution ?
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Let me guess your using xposed framework? Art is incompatible with xposed
sent from my HAMMERHEAD neXus
CRIME INC. said:
Let me guess your using xposed framework? Art is incompatible with xposed
sent from my HAMMERHEAD neXus
Click to expand...
Click to collapse
Most likely what he's using
Hell yeah I do. Didn't know it was incompatible ! Thanks
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Art = No Good yet
EVERYBODY is having problems with Art (Unless you're stock everything and Use only apps that are compatible with Art) Plus can't notice the speed improvements. Nexus 5 with Snap 800 is fast enough Art is meant for devices with lower specs.. i.e. Galaxy Nexus Use Delvik for now, Art is not worth the unstability. Plus, it's technically in beta
I wanted to try it for the battery improvement
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poweruser123 said:
EVERYBODY is having problems with Art (Unless you're stock everything and Use only apps that are compatible with Art) Plus can't notice the speed improvements. Nexus 5 with Snap 800 is fast enough Art is meant for devices with lower specs.. i.e. Galaxy Nexus Use Delvik for now, Art is not worth the unstability. Plus, it's technically in beta
Click to expand...
Click to collapse
Nonsense!
ART is not unstable. Just incompatible with some mods and apps.
It's noticeably faster than Dalvik.
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Elisha said:
Nonsense!
ART is not unstable. Just incompatible with some mods and apps.
It's noticeably faster than Dalvik.
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Click to collapse
Well, ART Bricked my phone a week ago the moment i pressed it...not risking again...
poweruser123 said:
Well, ART Bricked my phone a week ago the moment i pressed it...not risking again...
Click to expand...
Click to collapse
then you obviously had/have no idea what you're doing.
in that case, you really should stay away from art
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notbrodie said:
then you obviously had/have no idea what you're doing.
in that case, you really should stay away from art
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Click to collapse
well if a "poweruser" with soooo many posts in this forum says ART bricked their device then they obviously know what they are talking about and it couldn't have been anything else.
poweruser123 said:
Well, ART Bricked my phone a week ago the moment i pressed it...not risking again...
Click to expand...
Click to collapse
Define bricked?
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Ben36 said:
Define bricked?
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Click to expand...
Click to collapse
How dareee you question an obvious "poweruser"
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-Sent from my Bricked Nexus 5?
What he said
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Nexus 5 lagging

Going through some threads it seems most dont experience any lag so im wondering what the problem could be in my case i sometimes notice slight lags when opening/closing app drawer, switching to quick settings, opening/closing apps (turned off animations so not really a problem now) and a few other instances is this normal? it got quite bad so i unrooted it and locked bootloader then unlocked and re-rooted and at the moment i am on stock rom, stock launcher and faux123 stable mainline 11 kernel
Glad I'm not the only one. Do the apps include any of the following: Timely, YouTube?
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enriquelabrada said:
Glad I'm not the only one. Do the apps include any of the following: Timely, YouTube?
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Click to collapse
yes youtube does lag a little infact quite a few apps do although i just assumed this was more to do with the apps than the phone itself?
fedor12 said:
yes youtube does lag a little infact quite a few apps do although i just assumed this was more to do with the apps than the phone itself?
Click to expand...
Click to collapse
Is this when it's starting or at any given time in the app? Mine has like some delay at launch, the rest is bad WiFi.
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enriquelabrada said:
Is this when it's starting or at any given time in the app? Mine has like some delay at launch, the rest is bad WiFi.
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Click to collapse
can happen anytime really not just starting up, it is a little annoying my nex4 seemed smoother although it may just be because im being abit more picky with the nex5 lol
fedor12 said:
can happen anytime really not just starting up, it is a little annoying my nex4 seemed smoother although it may just be because im being abit more picky with the nex5 lol
Click to expand...
Click to collapse
I've been doing some browsing here and it looks like your not alone. Maybe next update will fix this for Android in general or that app.
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enriquelabrada said:
I've been doing some browsing here and it looks like your not alone. Maybe next update will fix this for Android in general or that app.
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Click to collapse
hopefully it is something that an android update will fix soon as its not just apps for me its everywhere but not all the time, i was wondering if its the custom kernel im using? Hopefully it isn't as i cant change the gamma values in stock kernel so that is the main reason for me flashing a custom one
fedor12 said:
hopefully it is something that an android update will fix soon as its not just apps for me its everywhere but not all the time, i was wondering if its the custom kernel im using? Hopefully it isn't as i cant change the gamma values in stock kernel so that is the main reason for me flashing a custom one
Click to expand...
Click to collapse
Doubt it's your kernel. I'm running stock and suffering as well :/ It could also be a defect, some run fine others don't. Same with the same speaker issue, some newer owners especially the red ones claim it sounds better as the old ones.
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Try switching to ART runtime, it seems to be much smoother. Im using Franco's kernel with a lot of downgrading in setup and yet I don't experience lags.
I did think about switching to ART but to be honest i dont want to lose anything in terms of stability but hopefully soon it will become part of an update so if lag is normal on dalvik now i dont mind waiting i just wanted to see if its normal or im doing something wrong
fedor12 said:
and faux123 stable mainline 11 kernel
Click to expand...
Click to collapse
I'm sure that the problem could be around some settings with faux kernel. I use it too but recommended settings foe nexus 5 seem to cause some lag for everyone as it's more for saving battery life...
You might nee to play with some settings there Like governor and Hotplug.
GUGUITOMTG4 said:
I'm sure that the problem could be around some settings with faux kernel. I use it too but recommended settings foe nexus 5 seem to cause some lag for everyone as it's more for saving battery life...
You might nee to play with some settings there Like governor and Hotplug.
Click to expand...
Click to collapse
I am on mpdecision and the governer is ondemand would you say thats ok?
Go into developer settings and speed up the animations. See if that helps. Sorry cut the last 2out the 3 to 0ff and speed first
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howard bamber said:
Go into developer settings and speed up the animations. See if that helps. Sorry cut the last 2out the 3 to 0ff and speed first
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Click to collapse
I have already turned off animations for transition animation scales but when i turned off the rest it looked weird so turned them back on, i didn't understand 'Sorry cut the last 2out the 3 to 0ff and speed first'
Another thing i forgot to mention is when i unrooted/went back to stock i let the apps auto update and straight after i noticed there was lag when opening app drawer so i uninstalled all the updates and it fixed itself has anyone else had this happen? I have had to set the apps to never auto update now
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fedor12 said:
Another thing i forgot to mention is when i unrooted/went back to stock i let the apps auto update and straight after i noticed there was lag when opening app drawer so i uninstalled all the updates and it fixed itself has anyone else had this happen? I have had to set the apps to never auto update now
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Click to expand...
Click to collapse
Installing updates from Play doesn`t make the phone laggy unless there is a problem with an app or some apps. Rebooting after installing updates clears most problems most of the time.
gee2012 said:
Installing updates from Play doesn`t make the phone laggy unless there is a problem with an app or some apps. Rebooting after installing updates clears most problems most of the time.
Click to expand...
Click to collapse
Im going to let the updates install then and reboot, if it messes the phone up again im just going to uninstall again
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fedor12 said:
Im going to let the updates install then and reboot, if it messes the phone up again im just going to uninstall again
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Click to expand...
Click to collapse
Install BetterBatteryStatts for unusual app behaviour which is most likely the reason of your phone lagging.
I downloaded betterbatterystats but it isn't showing me anything regarding apps only the device wake/sleep stats etc
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fedor12 said:
I downloaded betterbatterystats but it isn't showing me anything regarding apps only the device wake/sleep stats etc
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Click to collapse
Turn on root options within settings advanced
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Screen bouncing 😢

I have recently beginning to have a screen bouncing issue. Seems to be getting worse. Started about 5 days ago.
Tried factory reset, safe mode and tried android M but still the same.
What is causing this maybe? Don't want to get a new phone as still loving this. Longest phone I've ever had.
Here's a video of what I mean https://youtu.be/qtsouaLdqgc
Thanks
Are you using Developer Preview of M?
PixPi said:
Are you using Developer Preview of M?
Click to expand...
Click to collapse
I was but gone back to factory Lollipop
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Fixed the problem by buying a new flex/charger cable. Happy now
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