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[Q] [Request] App that can block specific applications from internet when not on Wifi

I just got my first android phone recently, and I've gotten pretty hooked on Grooveshark.
Unfortunately I have a very limited data plan, and as such I need to be sure it doesn't keep streaming if I accidentally lose my Wifi connection.
Does anyone know of any program that could maintain a blacklist/whitelist of apps that are allowed internet acces, that's also dependent on the nature of the current data connection?

After further searching I found DroidWall

I don't know of an application that meets your specific criteria, but perhaps you could achieve your goal with 'Tasker' . It's not an free app, so I suggest you ask around on its forum first.

Droidwall does it
BiggJ said:
After further searching I found DroidWall
Click to expand...
Click to collapse
I use Droidwall, and if I forget and install a new app I go through a "Why doesnt this work" then remember droidwall, open up that app, and it does. There's a widget that lets you toggle the wall on/off. also useful for something that doesnt really need to access the internet, like a game. Lookout might also work, but I havent really dug in to everything it does.

[Completed] Which process/app responsible for Google Photos sync ?

Hi,
I installed a firewall from the play store and since then , Google Photos doesn't sync anymore.
Maybe someone knows which process should I allow in order to let Google Photos to sync (Google Photos itself already in allow list).
Thanks.

Hi,
Thanks for using XDA Assist.
Try allowing Play Services / Google framework / Sync.

Thanks,
All of these processes allowed in firewall but still no Photos sync.
When disabling all firewall, sync is working.
The firewall BTW is : NoRoot Data Firewall (This is the best I found for phones without root) :
https://play.google.com/store/apps/details?id=com.jianjia.firewall

user30000z said:
Thanks,
All of these processes allowed in firewall but still no Photos sync.
When disabling all firewall, sync is working.
The firewall BTW is : NoRoot Data Firewall (This is the best I found for phones without root) :
https://play.google.com/store/apps/details?id=com.jianjia.firewall
Click to expand...
Click to collapse
I don't use Google apps so I can't help further. However I highly recommend you Netguard.
Feel free to post your questions in that thread if the problem occurs with this new app.
Good luck!

My issue with NetGuard is that it hasn't any option for blocking background processes ,it has option to give access only when the screen is on.
Nut if the screen is on and I'm not using this app, why should it get access to the web ?
I think it's a mistaken attitude.
I want to choose between : All the time / only foreground / never.

user30000z said:
My issue with NetGuard is that it hasn't any option for blocking background processes ,it has option to give access only when the screen is on.
Nut if the screen is on and I'm not using this app, why should it get access to the web ?
I think it's a mistaken attitude.
I want to choose between : All the time / only foreground / never.
Click to expand...
Click to collapse
I'm sure you can discuss about that with Marcel, the dev of Netguard.
If you want to keep your current firewall, you may want to try asking in this Android Q&A thread.

How to set Huawei P20 pro to maximum dataprotectionlevel

Hey guy,
since there is no way right now to install a custom rom onto the P20 pro I am really concerned about the savety of my private data. What can I do to send as less data as possible to Huawei and their partners (Google,...)? Can I disable the reporting completely?
Thanks in advance!
Blumtopf
btw.: if there is a thread out there i did not see yet pls let me know =)

Don't use a smartphone at all.
Sent from my CLT-L29 using Tapatalk

Blumtopf said:
Hey guy,
since there is no way right now to install a custom rom onto the P20 pro I am really concerned about the savety of my private data. What can I do to send as less data as possible to Huawei and their partners (Google,...)? Can I disable the reporting completely?
Thanks in advance!
Blumtopf
btw.: if there is a thread out there i did not see yet pls let me know =)
Click to expand...
Click to collapse
One solution is to block internet access for installed apps and some system apps: settings - > wireless and networks - > data usage - > network access.
If this is not enough for your needs, another solution is to use Netguard and block internet access for any system app you like. It is an open source app and you can find the playstore version
https://forum.xda-developers.com/android/apps-games/app-netguard-root-firewall-t3233012 or the github version that compared to the playstore version it also has adblock using hosts files
https://github.com/M66B/NetGuard/blob/master/ADBLOCKING.md
I use the github version and it works fine in our phone. A tip to work properly in P20 pro, is to enable "manage system apps" in the Netguard's advanced options. Also, if you use the github version, disable automatic update for Netguard from playstore, otherwise you will lose adblocking. You can update the app via github whenever there is a new update.
Sent from my Huawei P20 pro using Tapatalk

I'll just post my answer on a similar question.
Two things:
1. You really need to understand better what is your concern. "Reporting" (such as "Digital Balance" or "User experience improvement program") don't collect data that can identify you as an actual person, it can just identify your phone usage patterns and general info. Most of those can just be disabled in various settings.
2. If you want to go full paranoid (not using Google or any other cloud service accounts, not using cloud backups and syncs, cutting your phone from data network) you will be owning a smartphone without actually using any of its "smart" features. In this case you are really better off, just buy an old feature-phone and save yourself some money.

A20 privacy ultimate guide without root

This guide is for people who enjoys privacy, and want to enjoy a fully controlled experience even on a stock Android, and it dosen't only concerns the Samsung A20 but all powered Android phones, after applying all the steps you'll enjoy a stock firmware free from all bloatwares, free from non useful bandwidth consumption, free from unnecessary battery drains, Without having to root and without the need for a computer.
First make sure you use a non bloated firmware you can tell by its size, if not compare and download and flash the lighter stock rom you find, don't be scared your sim card will work. or just follow this guide to the end and all bloatwares will vanish ?
IN THIS GUIDE I'll be focusing on how to regain your privacy without root, and without needing a computer.
DEBLOAT GOD without root :
You can use adb (you'll need a computer for that), there's fully explained guides here on how to debloat using adb. But as I said I'll be focusing on how to regain control over your phone without the need for a computer.
I don't use Google accounts or Services, so my debloating method will block even Google play Services.
Let's start by hard reset :laugh: but before that, make sure to remove all entered accounts and lock screens before going any further with hard reset, so you don't encounter any problems. (of course you can keep your data, but I don't recommend keeping Google or Facebook apps and accounts.)
1)- Hard reset (enter stock recovery by pressing " Power button + Volume up" and wipe cache, and data)
After rebooting don't connect to wifi, it's preferable if you don't have data connectivity on your sim card either, don't be scared it will launch Android even without internet : on the welcome screen, accept only the first two agreements from the four agreements , then hit "Skip" and "Ignore" buttons always, don't enter any Google or samsung accounts, then click finish.
Once on home screen enter Settings app,
Head to applications, on the right corner select show system apps, disable everything that can be disabled, see my attached screenshots.zip for a full detailed list.
How to disable Google Play Services:
After you disabled the unnecessary things, go to the Settings app again and enter "Biometric and Security" - "Other security settings" - "Device admin apps" and uncheck the "find my Mobile".
Now in the settings application go to applications and you can now disable "Google Play Services" and "Device Health Service" as well.
Reboot :fingers-crossed:
Congratulations now you debloated your phone from unnecessary background Services.
2) - Privacy Bonus : Netguard. For an ultimate Control over your bandwidth and internet privacy (everyone can use this following guide especially rooted phones)
Install Netguard pro or netguard. In the settings Go to advanced options, tick manage system apps, notify on internet access if you want to get notified about what apps are requesting on your behalf ?, ("log internet access" optional only if you want to see what apps are requesting internet inside a log)
Now go back to the main Netguard interface, you will see all system apps, and user apps inside this screen,
Turn everything to red, then click the dollar sign in the left corner, and click "lockdown traffic" in the right corner.
Now you can enable only your browser to access the internet and leave all the rest blocked.
You can enable internet to a certain app by clicking the bandwidth sign and turn it from red to green, then click the arrow in the left next to the application name and tick "allow in lockdown mode", and this app will get internet.
See screenshots zip for more details.
That's all of it ! That's how to regain control over processes and bandwidth, only you can decide what should connect, and what are they doing on your behalf and without your consent.
In the screenshots you'll find out that I did disable Google play store, I always download apps from apkmirror dot com, or apkpure, and install them manually. I don't use Google play store, and with doing so you won't be needing a Google account watching you 24/7
Other steps :
Enter the Settings app - "Biometric and security" - " app permission" , and remove unwanted permissions.
THAT'S ALL OF IT !! NOW ENJOY your new phone speed performances, and it's long battery life
Some questions and answers:
Q- Why did I had to do all of this ?
A- If you install Netguard firewall app you'll notice a traffic from all the apps even what we thought are offline, to some unknown servers, like Amazon, and such, and I didn't agree with this, and they didn't say anything about it. I noticed that the disabled apps are sending internet request even if they are disabled and even I did turned off mobile data, and background activity, that why I used the Netguard Firewall to block them all.
Q- How to install apps if you blocked or deleted google play store and Samsung store ?
A- I download APK from apkmirror (dot com), they are clean, and by this you can always have them in case you want them after you 'reset' your phone or uninstall them, and especially no internet is required in order to install apps
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If you liked my post or find it somewhat informative hit Thanks or comment :fingers-crossed: , if not I'm sorry for wasting your time :laugh: i just wanted to share my experience with some people like me. Peace.

Recommended apps/ways to help managing elderly people's Android phone remotely, from being scammed?

Hi,
What's your recommended apps/ways to help managing elderly people's Android phones remotely?
It's getting harder and harder for my parents to follow the fast-changing pace in the smart phone world.
Instead of trying to check and teach them through video links, or ask them to manually activate Teamviewer quicksupport every time (black screen on privacy screens),
is there any good apps with good reputation for this purpose?
Mainly I wish it could start up on power on and can wait for connection without manual activate service.
List installed apps and allow me to uninstall unwanted apps, maybe update apps as well.
Able to prevent apps being installed would be great.
Able to add phone numbers to blacklist/whitelist of phone calls / SMS.
Open source one would be preferred. Paid apps are ok.
Best Regards,

Try this
adbLink2 v5.5
adbLink2 is companion software for Android devices Features: Install Programs without Android SDK ADB/Fastboot enabled command-line Busybox for root and non-root Built-in WIFI/USB remote Manage devices via USB or IP address Root-aware File...
forum.xda-developers.com

Thanks. I might give this a try. Also I found boomerang parental control and Google family link might be useful .