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[APP][4.1+][NO ROOT]DPI Changer

Sometimes you just don't like the size of the items on your screen. If you're lucky, your phone's software has its own DPI changer of sorts, where you can choose among a few different presets, but what if you want more options, or you aren't one of the lucky few with that feature?
Well, this app aims to fix that problem on any Android device running 4.1 or later. There are quite a few apps out there that change your DPI, but this one doesn't actually require root, even if you aren't running Nougat. You will have to reboot if you aren't rooted, but hey, that's better than being around a computer all the time to use ADB, right?
There are instructions in the app for the setup and usage.
IMPORTANT:
- I don't know if this will work on every device running Android 4.1+. I was able to test it on an emulator running 4.1, along with various LG and Samsung devices on Marshmallow and Nougat, but that obviously doesn't include everything. Send some feedback if it isn't working for you, and include your device + Android version.
- Non-root mode requires you to execute a one-time ADB command (unless you uninstall and reinstall the app). From then on, all you'll need is a reboot.
- Avoid setting the DPI below 72. I don't specifically know what happens, but I know Android tools prevent this from happening by default. I will build the limit into this app in a future update.
Screenshots:
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PLAY STORE:
LINK REMOVED
XDA LABS:
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SOURCE CODE:
LINK REMOVED

@ProGuy1 if you can use ADB to change your DPI, that's great! But some people don't know how or don't have constant access to a computer. I figured rebooting would be more convenient than finding a computer with ADB.
Also, devices on 4.3 and above no longer need to reboot, whether rooted or not.

@S. Loranca You can certainly translate it if you want. The source code is on GitHub. Look in `/res/values/strings.xml`.

delete

Thanks for making this! I saw the "Display Size" setting missing on my new Xiaomi phablet; a few apps I tried on the play store failed, but this app works perfectly.

For reasons you'll see soon, I'm removing this project from XDA and closing the thread. If you have the app right now, email me or PM me with any questions.

KSIX Smartwatch PRO - watch faces, apps and backup trouble

Hi everybody!
I have just bought a smartwatch from Ksix called Ksix Smartwatch PRO, and I cannot seem to find much information about anything regarding these watches, neither hardware or firmware.
I therefor opened the watch, and found a MediaTek MT6261DA chip inside. The OS seems to be the same as on many other watches, and it looks like this:
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I forgot to take photos of the inside, but I believe this image is the same PCB (as far as I can see and remember):
Mainly I just want to be able to change the watch faces (though I would not mind a custom ROM, if possible), but if I try to install a VXP file (any file), I get a message saying it is out of memory. Also, if I try to install apps through MediaTek SmartDevice for Android, it just says "Please try later", and I guess that is also because of memory limitation. I therefor guess I need to mod the firmware, to be able to change the faces (which there are three of from factory), or install a custom firmware compatible with my watch.
So then I download windows 10 drivers for MT6261 and the watch shows up briefly as a COM port device, and dissapear after a couple of seconds (I guess this is normal?), and it seems the flash utility software i use (FlashTool v5.1320.01.00), can see the watch when i connect it after hitting readback, but no matter what firmware I use, I get error "FLASHTOOL ERROR: S_BROM_CMD_STARTCMD_FAIL ( 2005 ) - Can not pass bootroom start command! Possibly target power up too early", no matter the timing of inserting the USB cable. I have tried literally ALL firmwares I can find, also the 32ROM variants, with same error for every single one.
Furthermore, I am not able to perform any type of RAM tests, so I am not sure if the drivers are working, or if there is something else going wrong (this is my first smartwatch, so I have never had a successful attempt at this operation before).
As for download agent I use MTK_AllInOne_DA.bin and I have tried every firmware I can find online as scatter file (don't know if that is required for readback).
I am at a loss, and don't know what to try next. Any suggestions, would be much obliged.

Enabling mirrorlink option

Greetings XDA members.
All the progress I've made so far is based on Q&A from your site, so thank you right from the begining.
So here's what I've managed to do so far, starting with the device details:
LG G8S stock ROM (not rooted and boot loader still locked)
Downloaded Total Commander and accessed the root directory
Found two apk files named MirrorLinkServer,apk (the first in /product/app/mirrorlinkserver/ and the second in /system,/product/app/mirrorlinkserver/) - I'm Adding a screenshot of the search results down below
Installed both apk files (each after a factory reset to avoid duality or any other kind of interference)
Got the same result in both cases - When connecting phone to the cars USB outlet, the USB indicator at the notifications bar start flashing but nothing happens (phone screen or car screen)
When disconnecting - a mirrorlink menu appears showing the apps installed but saying they're not authenticated - I'm Adding a screenshot down below
If I'm trying to hit the back button the phone goes to settings but the mirrorlink menu doesn't show there
If I'm plugging the phone back to the car USB socket the "Connect via USB cable" option is trying to switch on automaticlly but goes back off and on again in an endless loop
Hitting the apps trying to authenticate them is doing nothing at all.
when I'm checking the mirrorlink server app in phones settings - It says under Permissions: "No permissions requested"
I believe that here lies the problem - meaning that if i could grant the mirrolink server the necessary permissions (internet access for authenticating the apps and later on for downloading data for the apps themselves; and location for navigation; and so on) then I think it would've worked.
So my main question is - How can I grant the mirrorlink server app permissions, even though none was requested?
However - If you think that I'm wrong or that I've made a mistake along the way - for instance that the mirrorlink server apk must get system app priviliges and therefore must be in /system/app/ folder - Please let me know
thanks,
Jacob
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Question some errors in my head unit

My car Peugeot 301 model 2015 and use on it winca 360 head unit
I am try to make my steering work with it but I cant , try everything like : change canbus , and change android software But the problem is still there
1- can't connect to canbus its say unknow protocol
2 - open and close doors didn't show in screen
3 - radio signal is so bad
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You need to select a different Peugeot model within the settings and experiment which works best. I have a 308 (2009) and for me the best is the 408 model, even though there is a 308, it's not great.

Tried all settings and still the same problem
I tried to change the can bus and bought 3 types of rzc - xp - hiworld and it still not works
I tried to install the old radio to make sure that the multimedia is working and really working
So far I have not been able to find a solution to the problem, and the strange thing is that it was working at the beginning of my purchase of the device and stopped working two days later

@surfer63 I hope you will find a solution to this problem

mo7amady said:
@surfer63 I hope you will find a solution to this problem
Click to expand...
Click to collapse
No, I don't have one. CANbuses per car are really specific, there is no general approach here (and I have a Skoda Octavia, a VAG type car, which is not even close to your PSA concern car)

Thank you for your reply
Do you think that the problem could be in the device’s software and are there ways to find out the main cause?

Have you solved your problem? My issue is that since installing my new Xtrons unit I am receiving multiple Can Bus errors in my van itself. They seem random but I have read that wiring issues in the head unit can short the CAN creating systemwide errors. My plan is to test bypassing the CAN BUS entirely for now.

On-Board computer display

Hello, is there an app or a modification on the hardware to cap the connection to the original build in on board computer display? Most time it only show "other".
I would prefer to see the time and the day like when the radio is disconnected

Nobody knows what your unit is.
Post details from Android system information including MCU version.

Teh crickets (as usual)

Px5
Android 8.0.0
Kernel 4.4.93+
Hal9k Mod v3.1
eng.hct.20181210.171007
MTCE_XRC_V3.01_1
Sorry, took me some time to update

And with the on-board computer display I intend this one
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You have an opel. The picture is showing the onboard trip computer.
You want those values on the headunit?
Or you want the fm radio to appear to that screen?
If it is the latter then if you have attached the odb box that came with your unit you should be able to see fm info on the screen.
You will see other when on Bluetooth call or when you play from youtube or anothe application.
I have not understand clearly wwhat you want to do.
If it is the 1st you want to do then you need a Bluetooth or usb odb adapter and an application called torque. You wont get the trip computer values into the head unit but you will be able to configure torque to measure the same values more or less.

I see the FM radio when I listen to the radio, and I see "other" when I use streaming apps.
But it would be nice if we could exchange the "other" with something more usefull, like the title of the song, or, because I know its very comlicated to realize that, instead of displaying "other", showing the date would also be nicer.
With the original radio, when its turned off, the onboard computer show the date also.
My idea was to somehow block the information send to the onboard computer and automatically the onboard computer should display the date, as if the radio would be turned off.
Maybe its a stupid request but this "other" always on that screen bothers me...

You must ask for this to the dev of every app that display other.
The app should send the data for that to the canbus.

Every app, except for the build-in (radio, media player, bluetooth) show other.

Please read my above post again.
The dev of that every application has to fix his application to transmit the name of what is playing.
At least that is what I know.