[ROM][8.1.0][UNOFFICIAL] LineageOS 15.1 - SM-T670 (Galaxy View WIFI) - Galaxy View Android Development

LineageOS is a free, community built, aftermarket firmware distribution of Android 8.1.0 (Oreo), which is designed to increase performance and reliability over stock Android for your device.
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Code:
#include <std_disclaimer.h>
/*
* Your warranty is now void.
*
* We are not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at us for messing up your device, we will laugh at you.
*
*/
LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. You will need to provide your own Google Applications package (gapps). LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.
This thread is for Unofficial LineageOS 15.1 builds for gvwifi (SM-T670). The following will not be supported here:
Custom kernels
Mods
Xposed
I don't support Xposed and any logcat which includes a Xposed module will be ignored. You're kindly invited to not report bugs if you:
Flashed a custom kernel
Installed or did mods from untrusted sources
Modified system files
First time flashing LineageOS 15.1 on your device, or coming from another ROM?
Download the zip(s)
Install a compatible Recovery
Perform a nandroid backup of your current ROM (Optional)
Wipe data/factory reset
Flash LineageOS
Install the Google Apps addon package (Optional)
Reboot
9/22/2022 Download
Older links:
2/14/2021 Download
4/29/18 Download (Mirror)
Google Apps:
http://opengapps.org/
Kernel
https://github.com/deadman96385/android_kernel_samsung_gvwifi/
Device Tree
https://github.com/Exynos7580/android_device_samsung_gvwifi
https://github.com/Exynos7580/android_device_samsung_gv-common
GPS/Wifi Crash fix commit
Stricted for giving advice on bringing this tablet up again​

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Major bugs
Camera doesn't work
Ambient Light sensor doesn't work
Selinux Permissive
Minor bugs
Some apps open in portrait only, the same bug as stock.
9/22/2022
Oct 2021 security patch level
Audio distortion "Fixed" I reverted the kernel to the older base for now
Older Changelogs:
2/14/2021
Jan 2021 security patch level
Charging/battery issues fixed
Google setup wizard now stays in landscape
Lots of under the hood changes inherited from other 7580 devices.
4/29/2018
Removed Doze Settings
Removed Vibration Settings
Removed Telephony and SMS settings
Made Navigation bar buttons proper size
Disable auto rotation by default (Haven't found a way to disable it fully)
Enabled Tablet optimized grid recents
Made Notification Drawer/QS menu slightly bigger
4/27/2018
Initial release
Other issues?
Before posting in this thread, make sure of a few things:
You used the search function of the forums.
If you are the only one having a problem. Boot into recovery, wipe data/factory reset, reflash the rom/gapps and nothing else. Boot up and see if the problem persists.
Make sure your post is relevant to this thread.
Logs! You can use this: https://play.google.com/store/apps/details?id=com.tortel.syslog

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Useful Info
Some tips and tricks:
Due to the light sensor not working I would recommend you use UnderBurn from the google play store in its place it works very well
Due to the device not passing safety net you will need to manually download Netflix I recommend using apkmirror but things like XDA labs works as well. Here is a direct link to the netflix app on apkmirror be sure to download the arm verison.
To control the rotation, I recommend using Rotation Control it allows you to lock the rotation so apps can't change it on their own as well as forcing to true portrait mode.
Screenshots/Pictures:

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Any chance this will work with at&t version, sm-t677a? I don't care if I loose the cellular functionality, I only use wifi. Thanks.

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xdescrubx said:
Any chance this will work with at&t version, sm-t677a? I don't care if I loose the cellular functionality, I only use wifi. Thanks.
Click to expand...
Click to collapse
I doubt the AT&T/Verizon have unlockable bootloaders sadly, the only LTE model that could be supported is SM-T677 international variant

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AWESOME!
Give this dev a medal for this awesome ROM! A middling device was turned into total awesome. I also like the galaxy wallpaper, now my Galaxy View has a galaxy view, hahaha.
I'd suggest any number of free rotation control apps. They did NOT work in controlling the orientation of the stock rom, but they work here beautifully for both portrait and landscape.

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Toad004 said:
Give this dev a medal for this awesome ROM! A middling device was turned into total awesome. I also like the galaxy wallpaper, now my Galaxy View has a galaxy view, hahaha.
I'd suggest any number of free rotation control apps. They did NOT work in controlling the orientation of the stock rom, but they work here beautifully for both portrait and landscape.
Click to expand...
Click to collapse
That's good to know I hadn't tried any yet due to them not working on stock. Do you recommend any in particular? I'll add it to the 3rd post.

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deadman96385 said:
That's good to know I hadn't tried any yet due to them not working on stock. Do you recommend any in particular? I'll add it to the 3rd post.
Click to expand...
Click to collapse
I personally use Rotation Control (the one from "CrapeMyrtle", as there's a paid app with the exact same name). I keep the guard option turned on (to prevent apps from changing the orientation themselves) and set it to start on boot with Landscape. It can also force the tablet into portrait mode, (real portrait mode, not pillar-boxed landscape mode) which was impossible in the stock ROM.

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New build in OP
Changelog:
Removed Doze Settings
Removed Vibration Settings
Removed Telephony and SMS settings
Made Navigation bar buttons proper size
Disable auto rotation by default (Haven't found a way to disable it fully)
Enabled Tablet optimized grid recents
Made Notification Drawer/QS menu slightly bigger
This fixes all of the minor bugs that can be fixed as well as some minor quality of life improvements. I will now be working on fixing up the camera and sensor and doing some basic housekeeping so supporting gvlte (SM-T677) will be easier in the future.

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deadman96385 Thank you for not giving up, you are amazing! How did you fix Wi-Fi not working and system reboots compared to the previous marshmallow build you worked on. Was it tricky?

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Should go without saying, but certainly hoping that this is lighter and faster than stock ROM
Let me load this up and Magisk and will tell you if works well!

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kalinskym said:
deadman96385 Thank you for not giving up, you are amazing! How did you fix Wi-Fi not working and system reboots compared to the previous marshmallow build you worked on. Was it tricky?
Click to expand...
Click to collapse
I gotta give credit where credit is do the exynos7580 devs did a great job of making a unified kernel and a common device tree so in reality, it didn't take too much for me to get it to the state it is now.
On a side note for everyone, I have released an Android TV build check it out here

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Are you supposed to be able to set the brightness to zero? I accidentally set it to zero and the screen got stuck on "off" (I couldn't see how to turn it back up). I ended up having to reinstall the rom.
This might be a Gapps issue, but if you use the Gapps aroma variant (the one that lets you pick and choose which apps to install), the install menu will be upside down, but the buttons on the touch screen will only respond if you push where they're SUPPOSED to be, rather than where they actually are. That makes it really awkward to choose the Gapps you want.

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Toad004 said:
Are you supposed to be able to set the brightness to zero? I accidentally set it to zero and the screen got stuck on "off" (I couldn't see how to turn it back up). I ended up having to reinstall the rom.
This might be a Gapps issue, but if you use the Gapps aroma variant (the one that lets you pick and choose which apps to install), the install menu will be upside down, but the buttons on the touch screen will only respond if you push where they're SUPPOSED to be, rather than where they actually are. That makes it really awkward to choose the Gapps you want.
Click to expand...
Click to collapse
Being able to set a zero brightness isn't supposed to be possible, I'll fix that for the next build. So the menu being upside down is due to the panel on the galaxy view being mounted upside down. I had to build twrp/lineage so the ui was rotated 180, Aroma must not support it.

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Hi deadman, cheers for the great work. Installed yesterday and found some issues:
Left tablet switched off but connected to charger all night, did not charge. Then I tablet on to find I had no touchscreen, no response at all. No even to power button. Could only get to twrp going through download mode and reinstalled. All seems fine now but still no charge indicator.

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So the tablet apparently only wants to charge when in twrp? That is if I can get it in twrp without freezing up (see twrp issue I reported.) .But then when rebooting the system freezes, no touchscreen, so I reboot randomly until by chance everything unfreezes..

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ben95870 said:
Hi deadman, cheers for the great work. Installed yesterday and found some issues:
Left tablet switched off but connected to charger all night, did not charge. Then I tablet on to find I had no touchscreen, no response at all. No even to power button. Could only get to twrp going through download mode and reinstalled. All seems fine now but still no charge indicator.
Click to expand...
Click to collapse
Huh. I honestly thought something was wrong with my charger or the tablet itself. Didn't occur to be that it was caused by the rom. But yes, it only wants to charge when it's off, or in recovery. It will simply refuse to charge when it's in the OS (the charger will only keep it from draining).

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Another observation: with the old twrp and root, OTG was working just fine, not anymore with latest twrp and lineage........

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Thank you so much for your efforts deadman96385!!! I just got a brand new Samsung View and can't wait to try this. Did anyone try rooting yet?

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rocurs said:
Thank you so much for your efforts deadman96385!!! I just got a brand new Samsung View and can't wait to try this. Did anyone try rooting yet?
Click to expand...
Click to collapse
Check twrp recovery thread on the view, rooting procedure explained there......