Questions tagged [permissions]

The access that apps advertise that they need to function. Example: Full internet access, send SMS messages, etc. Please use this tag for app-permissions only. For file permissions, use 'file-permissions' instead.

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7
votes
1answer
6k views

Determine app sending SMS Premium messages

I normally have "Block Premium Messaging" set up on the phones in my family. This is a verizon content block the prevents you (or family members) from sending messages to premium services that charge. ...
7
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1answer
7k views

Can I grant permanent access to external storage to an app in Nougat?

I'm using OnePlus 5 running stock 7.1.1. I use the OTG function to transfer file between my phone and my flash drive very often, and my preferred file manager is Root Explorer. Every time I try to ...
7
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2answers
2k views

Do permissions apply across users?

If I create a secondary user and install an app while using the phone as that user, will the permissions for that app carry over for the primary user? For example, let's say I have a primary user, ...
7
votes
2answers
3k views

Deauthorize an app

I installed MightyText the other day. But I haven't used it so I uninstalled it. Then I remembered it required links to my Google account - so I went to Google Account security. But it doesn't list ...
7
votes
3answers
5k views

Why can apps access the whole SD card?

Is there a technical reason for why apps that only need their own data are not limited to one folder? I do realise that some apps use other apps' data, but I'd be much more likely to install an app ...
7
votes
1answer
3k views

Why does Google Search suddenly need a lot more permissions?

I obviously have Google Search installed on my stock Nexus 4, however, a recent update for this app appears to require no less than 11 new permissions. Google does not appear to give any explanation ...
7
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2answers
5k views

how to fake my personal information

I downloaded a game from Google Play. In the permission page, I noticed that it asks for my personal information. Allow this application to: Your personal information read sensitive log data. Why ...
7
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1answer
1k views

Can Applications With Root Access Modify Their Own Permissions?

For rooted phones, there are several apps which require root privileges. Knowing this, the user does allow the app to get root. Now, the app would have been installed with a set of x permissions, say ...
7
votes
1answer
38k views

Read phone state and identity

I've looked at many (not all) of the dozens of links here. Is there a list that explains the risks involved with each granted application permission type? Most of these are not worth the time to ...
7
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2answers
22k views

Permit drawing over other apps grayed out [closed]

When I open an app that needs permission to draw over other apps, this screen pops up. But for some reason it is grayed out and I can't allow the app. How can I allow the app to draw over other ...
7
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1answer
2k views

Why can't I use su to run under another app's permissions?

It's well-known that every Android app is its own user. I have Android Terminal Emulator installed as user u0_a5. u0_a5@android:/ $ whoami u0_a5 u0_a5@android:/ $ groups u0_a5 sdcard_rw sdcard_r ...
7
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2answers
5k views

What does “discover known accounts” permission mean?

I am not sure what an app can do to me if it is able to discover my account, to what extent? Thank you very much.
7
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0answers
3k views

Can apps bypass permissions and just use Google Play Services?

I was reading this answer, and the first comment under it, and wondered if apps can bypass their own app permissions and just get whatever data they want from Google Play Services. What got me ...
7
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1answer
2k views

Android 6+ and account permissions: where have they gone to?

I was just browsing the Android Developers Permissions list, and noticed most of the account permissions are gone – in fact, all but GET_ACCOUNTS as it seems. What does that mean, what implications ...
6
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3answers
4k views

Why does Google always need personal data? [closed]

Whenever there is an app from Google Inc in the Android market, I am uncomfortable with their permission levels: Why do they always need read/write permissions to personal data/contacts and all our ...
6
votes
2answers
3k views

Are applications from “Unknown Sources” restricted by permissions?

I know that Google Play applications cannot do anything that is not spelled out in their AndroidManifest.xml and will be blocked from doing so. I want to know if non-Google Play applications are ...
6
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2answers
416 views

Questions About Android Privacy

The permissions warning in the Android Market is very vague. As well, I can't see the app permissions in a collective area of all the apps I have previously installed. So, I have no clue whether an ...
6
votes
1answer
6k views

Pixel Launcher crashing due to missing STATUS_BAR and MANAGE_ACTIVITY_STACKS permissions

I'm running LineageOS 16 on a OnePlus 3T. Whenever I try to open the Pixel Launcher, it crashes. In adb logcat, I saw the following lines that looked relevant: 05-25 16:13:31.293 16356 16356 W ...
6
votes
2answers
3k views

How to change the modified date of a file without root?

How do I change the modified date of a file, specifically PNGs, on Android without root? Total Commander failed to do it with a permission error Access Denied.
6
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3answers
14k views

Preventing installed apps from making calls or sending SMS

It seems like a growing number of (seemingly legitimate) apps casually claim the "Services that cost you money" permissions (making calls and sending SMS) for non-essential secondary features that ...
6
votes
2answers
321 views

Android permissions confusion

I'm choosing a new phone, been using my Lumia for ages, so I'm a bit off about the whole thing. What I've discovered so far is that android devices are mostly much superior to their iOS counterparts ...
6
votes
3answers
24k views

How do I install an apk as a system application?

I'm trying to install an application in the system/app folder of a device. It needs to be done since I'm writing a QAT program and the tests need to run with a few privileges not available to third ...
5
votes
4answers
5k views

Why does controlling CPU frequency require root access?

According to this answer one of the programs that requires root access is SetCPU that can lower the CPU frequency when the phone is not used thus prolong battery life. I don't get one thing - why ...
5
votes
1answer
3k views

How to bind mount a folder inside /sdcard with correct permissions?

I am using a Sony Xperia M4 Aqua. As is well known, the internal memory is rather small. Especially the Media directory of WhatsApp uses a lot of precious space, therefore I am trying to move it to ...
5
votes
1answer
24k views

What does the usage data access permission allow

I only just now became aware of the "Apps with usage access" preference view. However I'm irritated. The permission was deemed important enough as to warrant a separate setting view to provide ...
5
votes
1answer
2k views

List of ADB settable permissions

I am searching for a list of permissions that can be set with adb. I could just iterate through all permissions and ignore the failed ones but i'd rather filter out the ones that i know can't be set ...
5
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2answers
11k views

Why does an app read my phone's IMEI number? An awful lot of them do

What reasons should an app have to need my phone's International Mobile Equipment Identity number? I noticed that unreasonably many of ordinary apps have the "phone state and identity" permission. ...
5
votes
1answer
3k views

What special privileges “/system/xbin/su” does have w.r.t. root access?

This answer says: Because of the way directory/file permissions are configured on Android, you need to have the su binary on your /system partition in order for it to work. Putting elsewhere ...
5
votes
2answers
7k views

How can I find which apps/packages reference a given permission using command line?

Given some permission tld.developer.app.permission.PERMISSION how can I use adb/root shell to find all the installed packages that define/depend on it? The permissions are defined in the manifest ...
5
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2answers
4k views

How do I withdraw an app rights to enter internet in CyanogenMod?

On a rooted device it should be possible to forbid certain apps to contact internet connection How is this possible in CyanogenMod 10.0?
5
votes
1answer
439 views

How to run a program in an app context with Magisk?

Let's say I'm currently as root in Bash on a terminal, outside any app like Termux. I'm running Magisk. Now I want to synchronously invoke Termux's Bash, such that it behaves the same way as it would ...
5
votes
2answers
20k views

Why allow permission button is disabled?

Problem Today I noticed strange behavior on my test phone, which is Nexus 5 with Android 6.0.1. After opening test app that asks for permission to read contacts allow button is not working - after ...
5
votes
1answer
6k views

What is the difference between Android user app with root access and a system app

The answer I am looking for is in the aspect of permissions. Can a system app do everything? Can a user app with root access (on rooted device) do everything? If so, are they the same? For example ...
5
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0answers
1k views

what is INTERACT_ACROSS_USERS_FULL permission? [duplicate]

In my project.. I needed to make multiuser enviroment. So I declared INTERACT_ACROSS_USERS_FULL permission. Then I also found INTERACT_ACROSS_USERS permission. INTERACT_ACROSS_USERS_FULL and ...
4
votes
4answers
1k views

How does su regulate app permissions?

I seen a lot of apps in the market that give superuser functionality to applications. However there is a pre-requisite of rooting your phone. I am curious how a rooted phone has those permissions ...
4
votes
1answer
2k views

How Android's permissions mapping with UIDs/GIDs works?

Reading the book: Android Security Internals I'm reading at Chapter 2 - Permission Management paragraph that permissions are assigned to application at install time by the package manager with a ...
4
votes
2answers
7k views

Is there a way to block permissions for other applications on Jelly Bean?

I use LBE Privacy Guard with great pleasure to grant and withdraw permissions to access my contacts, the internet, etc. for each individual application installed in Ice-Cream Sandwich on my Galaxy ...
4
votes
2answers
506 views

Is there any way to stop Google removing apps from the phone?

Back before Android had gone mainstream, there was an incident where Google removed an app using a feature called Remote Application Removal. This potentially allows Google to start removing ...
4
votes
1answer
1k views

What happens if I ignore the warning: “If you deny this permission, basic features of your device may no longer function as intended”?

If I go into the permissions settings for the Google app and change the Location permission from "Allow all the time" to "Allow only while using the app" or "Deny," I am presented with a warning: "If ...
4
votes
1answer
198 views

What are potential problems/violations that malware apps can do?

There are some apps that I am considering to download which have many permission requirements and have few comments from other past users. The number of downloads are relatively low so I am ...
4
votes
1answer
229 views

Should i be worried of these permissions from an app?

I was going to download an app ( not giving its proper name because there are many other apps who wants same permissions) but when i was looking for what 'app permissions' it needed. I saw ...
4
votes
1answer
63 views

How to find out which new permissions are required by an update?

When updating an app that requires new permissions, those new permissions used to be labelled with a green NEW tag. No more. Now I can only see the full list of permissions required. I'm still ...
4
votes
1answer
6k views

How can I set the correct SELinux / SEAndroid policy for an App?

I am using the free SSHelper SSH server on my phone to get SSH access. However, the application is not behaving correctly under SELinux when set to Enforcing mode, but seem to be OK when using ...
4
votes
4answers
17k views

Is there any way to block permissions on apps?

I read about being able to revoke permissions on CyanogenMod, but it seems the devs took that ability out. I found some app out on the market for 6$ or so, but it doesn't look like it would be worth ...
4
votes
2answers
307 views

Is there a facebook app that does not read your location?

I've looked at a number of facebook apps, and it seems that they require permission to read my precise location. This includes Stream, Fast, Friendcaster, and the official facebook app. Can anyone ...
4
votes
2answers
1k views

Permission system changes with Android 6.0: What are the implications for us users?

With Android 6.0, a bunch of permissions and permission groups have been removed: Groups gone While on a first glance this doesn't seem important (isn't it rather a way to organize permissions?) – ...
4
votes
1answer
425 views

Prevent application to make silently install file(s) or making changes

'Request Install Packages' let's say if an app has this permission ex- facebook(Check it in playstore head to facebook then 'app permissions' and click 'see more'. I used to read articles related to ...
4
votes
0answers
2k views

What does 'read/write instant messages' do?

Here are my steps on a Motorola using Android 6.0.1 Go to Settings > Apps > Show System > Google Services Framework > Permissions > Additional permissions What happens if I turn on these options? - ...
4
votes
1answer
427 views

Why do so many applications try to get the SIM and network operator name?

I understand what Android permissions mean and I have a specific question about two telephony permissions. I've been using XPrivacy for a while and noticed that many apps that ostensibly have nothing ...
3
votes
2answers
5k views

Location Consent & undo Remeber This Setting

Like many, I found the Location Consent prompts to be annoying. I was excited when Google finally extended the option to 'remember this setting' in the latest update, but dismayed when I could only ...

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