DPI? - Nexus 7 Q&A, Help & Troubleshooting

What does DPI mean and what does it do? I've seen it thrown around quite a bit and would like to now what it is all about. Also, what's a good DPI number for a tablet UI instead of the phone UI? Someone said 160 but that makes the display all weird...
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Amalehumanbeing said:
What does DPI mean and what does it do? I've seen it thrown around quite a bit and would like to now what it is all about. Also, what's a good DPI number for a tablet UI instead of the phone UI? Someone said 160 but that makes the display all weird...
Sent from my Nexus 7 using xda app-developers app
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DPI stands for dots per inch. Changing the DPI in android doesn't change anything physically with the screen nor does it output at any different resolution. By telling android that your screen has a lower DPI, you are actually just making it think your screen size is bigger and 'tablet sized'. Therefore it will display the tablet interface. The DPI to get tablet interface will differ on each device but 160 on the Nexus 7 should do it.
Hope that helps!

Related

DPI on per-app basis

Is ther
a way to set the dpi per-app? I like hdpi (240) for my launcher and keyboard but nothing else. Can this be done or is Android not resolution independent like Mac OS?
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dragon_76 said:
Is ther
a way to set the dpi per-app? I like hdpi (240) for my launcher and keyboard but nothing else. Can this be done or is Android not resolution independent like Mac OS?
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It doesn't really work that way, sorry. The DPI set in build.prop is system-wide, it's up to the application developers to make their apps density (and screen size) independent.
I found that adw.ex has a dpi hack that makes it tablet friendly and smart keyboard pro has a setting for key size. These two apps accomplish what I was after.
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tab2 7.0 dpi change ?

anyone try changing dpi for 7.0 tab2?
the default resolution are too big.....
what getting good result ?
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keijames said:
anyone try changing dpi for 7.0 tab2?
the default resolution are too big.....
what getting good result ?
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You want tablet ui? Go 133 or lower, down to 130. If not, I think 140 is a nice resolution.
dictionary said:
You want tablet ui? Go 133 or lower, down to 130. If not, I think 140 is a nice resolution.
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sorry, what mean too big as the character size too big, I want higher density.
so the this case, higher numbers dpi. higher resolution.
who tried can share , experiences.
any screen capture can share ?
thanks
James
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keijames said:
sorry, what mean too big as the character size too big, I want higher density.
so the this case, higher numbers dpi. higher resolution.
who tried can share , experiences.
any screen capture can share ?
thanks
James
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Click to collapse
Smaller numbers means higher density on Android. Try it
I run mine at 145/150 for a little added space but not too much.
Are you on stock or cm/AOKP?
scottx . said:
I run mine at 145/150 for a little added space but not too much.
Are you on stock or cm/AOKP?
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I am still at stock rom. I saw 7.7 tab has higher resolution, any idea what dpi?
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keijames said:
I am still at stock rom. I saw 7.7 tab has higher resolution, any idea what dpi?
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If you aren't going to listen and try what people are suggesting, then don't ask for advice. Seriously. LOWER your dpi to get a HIGHER density.
You can't change the actual resolution of the display. It is going to be 1024x600 (or 600x1024, depending on how you hold it) regardless of the DPI. All changing the DPI will do is change how images scale on the screen and in apps. If you change the DPI setting though, you are going to break market functionality. If you want to give yourself more room on the screen, lower the DPI setting. If you want stuff to be bigger, raise the DPI setting. However, doing either can lead to problems besides the market not working right.
imnuts said:
You can't change the actual resolution of the display. It is going to be 1024x600 (or 600x1024, depending on how you hold it) regardless of the DPI. All changing the DPI will do is change how images scale on the screen and in apps. If you change the DPI setting though, you are going to break market functionality. If you want to give yourself more room on the screen, lower the DPI setting. If you want stuff to be bigger, raise the DPI setting. However, doing either can lead to problems besides the market not working right.
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Yes, so correct.
Now I am just moved to 10.1 3g tab. So much better.
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[Q] Does the odd DPI bother you?

As you know, the DPI on the Nexus 7 is 213, which is somewhat non-standard. This makes all the icons appear a bit blurry, especially noticeable on the phablet notification bar. I run mine on 240, which looks much better.
Have you ever noticed this, and does it bother you at all?
Paranoid Android @ 160dpi.
I honestly never noticed that as something odd, I just thought it was designed like that. App icons are a bit blurry, I have noticed that, but not all of them. Stock apps and some other too have very nice, crisp icons (Firefox for example, I won't check all of them)
I'm running stock ROM with stock DPI and I like it a lot. I don't care for tablet modes or anything, nexus 7 feels like a bigger version of phone android, which suits me a lot, since I use it in portrait mostly.
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IAmNice said:
Yes thats why I run tablet mode 180 dpi
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But 180 is also non-standard. The only standard DPIs are 160 and 240.
frobthebuilder said:
As you know, the DPI on the Nexus 7 is 213, which is somewhat non-standard. This makes all the icons appear a bit blurry, especially noticeable on the phablet notification bar. I run mine on 240, which looks much better.
Have you ever noticed this, and does it bother you at all?
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Click to collapse
Within android on certain devices the different ui modes were triggered by the DPI changes. 320= phone 213= phablet and 160 was full tablet mode. Since Google has changed to the one mode to rule them all mentality I don't think it matters for much other then possible play store incompatibilities for the off standard DPI settings.
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cjsspape said:
Within android on certain devices the different ui modes were triggered by the DPI changes. 320= phone 213= phablet and 160 was full tablet mode. Since Google has changed to the one mode to rule them all mentality I don't think it matters for much other then possible play store incompatibilities for the off standard DPI settings.
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Well, the main thing is the icons. They were made with the standard DPIs in mind, and they just scale to match the others, which makes them look worse.
frobthebuilder said:
Well, the main thing is the icons. They were made with the standard DPIs in mind, and they just scale to match the others, which makes them look worse.
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Yea that's true. I generally stick with 160 for everything. Even on my s3 I had it. It was a Lil small but manageable for me. I don't even see why some devices use 320 at all haha that should probably be an accessibility setting.
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Sometimes I tend to think that I'm the only one happy with everything stock (just applied root)
cjsspape said:
Yea that's true. I generally stick with 160 for everything. Even on my s3 I had it. It was a Lil small but manageable for me. I don't even see why some devices use 320 at all haha that should probably be an accessibility setting.
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Well, newer devices have extremely dense displays, so they have to up the dpi just to keep everything the same size.
frobthebuilder said:
But 180 is also non-standard. The only standard DPIs are 160 and 240.
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I use 180 as well, i just like the size of everything at 180, and my icons aren't blurry or anything..
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davisac said:
Paranoid Android @ 160dpi.
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Amen brother. Me too. PA is the canines clusters.
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damagedgoods said:
Amen brother. Me too. PA is the canines clusters.
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I'd totally still be on Paranoid Android, but the hybrid settings no longer let me change the DPI higher than 213.
frobthebuilder said:
But 180 is also non-standard. The only standard DPIs are 160 and 240.
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And 120 and 320. But yes, I find the DPI number odd. But I find no actual problem with it.
No. 10 cahrs
Paranoid Android 2.54 and i have no worry about that..in fact all my apps i have set to diffent dpi.
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---------- Post added at 09:03 PM ---------- Previous post was at 09:01 PM ----------
frobthebuilder said:
I'd totally still be on Paranoid Android, but the hybrid settings no longer let me change the DPI higher than 213.
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I am still on 2.54 which i found the best and toyaly bug free and every app can be set from 160-360 dpi
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Mmmmm ..... I will try that 240 DPI value
Mine always runs at 160, I feel the default looks like a vision impaired mode. Galaxy Nexus is always set at 240.
frobthebuilder said:
I'd totally still be on Paranoid Android, but the hybrid settings no longer let me change the DPI higher than 213.
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Click to collapse
I wish paranoid stuck with the cyanogenmod base instead of vanilla aosp as well. The ROM was much better in 4.1.2 with cm. The 4.2 aosp version just feels clunky and less stable. CM fixed a lot of this Google broke in 4.2 and there settings organization is much better than paranoids at the moment. Paranoid is missing a lot of settings as well too.
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213 is actually tvdpi...lol.
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213 seems to be the magic number for nexus 7 flavour android, not tablet mode, but not phone mode either. 240 is phone DPI so the notification drawer fills the screen and there's no settings pull son on the right, it has then icon in the notification drawer or you can do the two finger pull down. Also on 240 you can't have multi-user as it thinks it is a phone and displays the appropriate lockscreen without the ability to change user.
I like 240 but the multi-user problem is a deal breaker.
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[Q] Density Change

Is it possible to change the density to a lower density like the Galaxy Tab 10 density?
And only until i reboot?
I ask because some apps display it very small (CHIP Magazine, Weekend Magazine, ..) because of the high density.
So i want to change the density and afterwards i can read the magazines.
If i am finished i reboot and all is back to normal.
Root is available.
DPI!
I used this "https://play.google.com/store/apps/details?id=com.marutian.dpichanger&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5tYXJ1dGlhbi5kcGljaGFuZ2VyIl0." To change DPI on my Nexus 10, Deafult DPI is 320 just incase you want to revert back to normal.
Remember not to change DPI "Numbers" From 320 to 100, Keep testing before you end up on one, Since this tread has nothing else to talk about. Let me know your DPI,.
ExjeetzZ said:
I used this "https://play.google.com/store/apps/details?id=com.marutian.dpichanger&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5tYXJ1dGlhbi5kcGljaGFuZ2VyIl0." To change DPI on my Nexus 10, Deafult DPI is 320 just incase you want to revert back to normal.
Remember not to change DPI "Numbers" From 320 to 100, Keep testing before you end up on one, Since this tread has nothing else to talk about. Let me know your DPI,.
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Thanks, i will check this.
Which DPI do you use?
I want to have it like the Galaxy Tab 10.1 because the magazines should now be readable.
This is my go to density changer but you must be rooted
https://play.google.com/store/apps/...251bGwsMSwxLDEwOSwibHYubjNvLmxjZGRlbnNpdHkiXQ..
play with your numbers until magazines looks good for you.
hope that helps.
Hmm, does PA's (ParanoidAndroid I think) ROM allow per-app DPI? I believe it does, but I never tried it.
leyvatron said:
This is my go to density changer but you must be rooted
https://play.google.com/store/apps/...251bGwsMSwxLDEwOSwibHYubjNvLmxjZGRlbnNpdHkiXQ..
play with your numbers until magazines looks good for you.
hope that helps.
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Not so good, after changing the DPI to, for example, 240 the tablet doesn't start anymore.
I have to reinstall it.
espionage724 said:
Hmm, does PA's (ParanoidAndroid I think) ROM allow per-app DPI? I believe it does, but I never tried it.
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WOW this would be an great feature.
Have you PA installed on your tablet? If yes can you please try it out if it is working?
Stock
chrisonline said:
Thanks, i will check this.
Which DPI do you use?
I want to have it like the Galaxy Tab 10.1 because the magazines should now be readable.
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I like to keep my tablet as stock as possible with root, I'm on 320 DPI but i recommend going to 260 if you are on a Nexus Device.
Density changer works fine. I usually set to 268 but yes I believe PA does support this
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Paranoid Android does indeed have per app dpi. Set each app to whatever you want it to be without effecting others.
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TheHobbyist said:
Paranoid Android does indeed have per app dpi. Set each app to whatever you want it to be without effecting others.
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Yes. This is your best bet. Makes customizing every app the way you want.
leyvatron said:
Yes. This is your best bet. Makes customizing every app the way you want.
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Yes, but it does only FAKE the properties of a changed DPI, but does not really change the DPI from the tablet or phone.
And also if you change the the resolution.
The app means you have a lower or higher resolution, but it does not really change the resolution of the tab.
I need a real change of the resolution because the magazines are tiny in the middle of the screen.
It does not fill the whole screen because of the high resolution.

Tablet ui for Xperia z

Hi, recently I changed my dpi on my Xperia z and now all the apps are now displaying in tablet ui, check out the screen shot
Dpi set to 360
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Pretty cool! But how did you change the dpi?
Jroux16 said:
Pretty cool! But how did you change the dpi?
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Click to collapse
edit the build.prop file change lcd density or get one of the many tool from the play store to do it for you
Aaaah, so the tablet and the phone software is one and the same thing then. Pretty cool.
And tried it , pretty cool, but wouldn't use it permanently like that...
Tablet ui look great.. so much space on screen ! but 320 dpi is to low im running with 340.. i cant use swiftkey in 320... my fingers r too big :<
I see that it is not really the tablet software, but rather the way android handles onscreen things when fooling around with the dpi, like the homescreen can also rotate now. Any idea to always have screen rotation, at the default dpi?
Proper dpi for TabletUI would be 240 - just like in the Xperia Tablet Z. This fully enables Tablet UI including the status bar (Much better if you are on a AOSP rom )

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