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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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26
votes
2answers
22k views

What do Android application permissions mean?

When installing an application, the application lists permissions that it needs to perform its functions. I am creating this list of the the system defined permissions and a description of what they ...
88
votes
9answers
10k views

Is it possible to install an app and exclude some of its requested permissions?

Occasionally I want to install an application which requires certain permissions that I feel it really shouldn't need. Can I install the app without giving it these permissions? For example, GPS ...
2
votes
1answer
1k 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 ...
88
votes
5answers
64k views

Why do so many applications require permission to read the phone state and identity?

Why do so many applications require permission to read the phone state and identity?. Specifically: Phone calls read phone state and identity For example Quickpedia is a Wikipedia portal, but ...
1
vote
1answer
440 views

What is the “u#_everybody” UID?

In (multi-user) Android there are UIDs like these: u0_everybody u10_everybody u11_everybody Those seem different to the usual uXX_aYY UIDs used for the applications. What is their purpose? Is this a ...
59
votes
14answers
28k views

Are there any tools to sandbox a malware application even more than the granted permissions on Android?

Suppose I want to run some program which requests too many permissions. For example, record from the microphone or read IMEI of my phone. However, there are no practical explanation why recording from ...
5
votes
2answers
6k 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 ...
66
votes
9answers
27k views

How to search the Play Store by permissions?

How do I specify that I do not wish to see apps that require for example internet access? Or to only show apps that use a specific permission? A specific repository with search on its webpage? An app ...
2
votes
1answer
480 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 ...
28
votes
3answers
33k views

What can an app do with the “USE ACCOUNTS ON THE DEVICE” permission?

Can such an app freely read my emails/calendar/message/docs/etc.? The "USE ACCOUNTS ON THE DEVICE" permission is also known for developers as android.permission.USE_CREDENTIALS. Example of such apps:...
8
votes
1answer
12k views

Revoke App Permissions Without Root?

I have some apps that are asking for unnecessary permissions. I would like to revoke these, but I've read that this is not possible without rooting. Is there any way to do this without having to root?...
11
votes
3answers
20k views

Workaround for Android 4.4 not being able to write to SD cards?

Yesterday I upgraded my Samsung Galaxy S4 to Android 4.4 KitKat and had the bad surprise that it cannot write to my SD card anymore... I know this problem is widely documented everywhere, but has any ...
1
vote
2answers
70 views

How to grant an app a permission that isn't in its manifest for audio recording?

Non rooted Moto G6 Play running Android 9. I'm using Termux and would like to use Sox's rec command to record audio from the terminal. Unfortunately, since Termux doesn't request the mic permission, ...
30
votes
7answers
35k views

In Android 6, how to deny an app permission to access the network?

In Android 6, the user has (finally!) the possibility of approving or denying specific permissions to an app. However, I couldn't find a way to approve or deny network access, either via Wi-Fi or ...
7
votes
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 ...
3
votes
2answers
4k 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 ...
1
vote
1answer
1k views

How to move files to external SD card on a non-rooted Android?

I'm using the Terminal Emulator app on a non-rooted Android 5.0.2 phone. When moving files from a folder of the external SD card to another with: mv /storage/extSdCard/DCIM/Camera/* /storage/...
15
votes
3answers
54k views

Help understanding Whatsapp's permissions

Whatsapp has been nagging me for the past few days that I have to upgrade it to continue using it. With the Facebook acquisition and the Play Store no longer marking the permissions that are "NEW" ...
13
votes
2answers
1k views

Is there a list that explains the risks involved with each granted application permission type?

Usually an installed android app will request permissions such as Phone calls read phone state and identity or System tools prevent phone from sleeping But the actual consequences from a ...
11
votes
2answers
108k views

How to add root permission to some app by myself?

Is there any way that I intentionally grant root permission to some app? Not automatically via SuperSU when a specific app asks for root permission, but in a way to pick an app via some tool and grant ...
7
votes
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 ...
18
votes
2answers
14k views

What does permission “MANAGE_ACCOUNTS” mean?

Once in a while I read that MANAGE_ACCOUNTS Permission is needed (actually it is called "KONTEN HINZUFÜGEN ODER ENTFERNEN" as I have a German phone. I guess the text below is something like "Add or ...
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. ...
1
vote
3answers
7k views

Pulling an apk of paid app from the device

I was pulling the .apk files from the device using the following command: ./adb pull /data/app/com.example.tracker-1.apk When I tried using the same command for the encrypted app as below: ./adb ...
28
votes
5answers
2k views

Audit app permissions easily in one place?

Is there anyway to list all the applications installed on your phone and the permissions they require all on one page, or export the list so it can easily be audited?
17
votes
2answers
123k views

What does “Drawing over other apps” mean?

I installed a GIF app from Play Store, and they want permission to do this. I don't even understand what drawing over other apps means. Is it the floating hearts in a GIF in a private message in ...
13
votes
2answers
14k views

Can the RECEIVE_SMS permission be used to intercept SMS messages?

I've noticed quite a few apps requesting the RECEIVE_SMS permission. Two things are clear to me here: RECEIVE_SMS enables an app to "snap" incoming SMS READ_SMS just applies to SMS already stored As ...
11
votes
3answers
44k views

What does the “modify/delete USB storage contents” permission really mean?

What does the modify/delete USB storage contents permission really mean? Does it grant access for the application to read, modify and write all the data on my USB storage? Maybe it is this only ...
9
votes
2answers
7k views

Other apps to manage permissions?

I used to use - and loved - LBE Privacy Guard which allowed you to revoke specific permissions from specific apps. Ever since AT&T finally pushed out Jelly Bean for the S3 though, it no longer ...
8
votes
3answers
5k views

Is there an Android calendar with limited security permissions?

I've just bought an entry-level Samsung Europa, running version 2.2. I'm technically-minded but new to this OS. I'd like to find a calendar that runs in limited security permissions, so that my ...
7
votes
1answer
955 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 ...
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
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?) – ...
1
vote
1answer
11k views

How to stop “permission denied” app toasts after denying permissions?

I often like to deny app permissions that I think the app does not need but yet they keep requesting for the permissions even after Denying, resulting in lot of toasts [package name] has been denied [...
7
votes
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, ...
6
votes
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 ...
1
vote
3answers
773 views

Is there a native way to find all the installed apps that have access to a phone feature?

Is there a native way to filter installed apps by permission (features they have access to)? For example, filter all the apps that have access to the camera. Looking to delete all the apps that have ...
1
vote
1answer
10k views

How can i disable android permission manager notification? [duplicate]

I have an android 4.4.2 device and permission manager app enabled. I have facebook messenger installed for example and i deny it permission to read my sms or phone contacts. It works, but keeps ...
1
vote
1answer
280 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 ...
0
votes
2answers
2k views

Why chmod gives “Operation not permitted” error?

I try to execute chmod on a file with Termux, but it sends back an error which I'm unable to solve. My phone is not rooted. If you can help me I would be most grateful to you for this! Here is the ...
0
votes
1answer
296 views

Can `Phone Calls` application permission allow developer to read my contact book? [duplicate]

I wonder if other people can read my contact list when the app permission(s) has Phone Calls permision like below snapshot.
16
votes
2answers
14k views

Read APK permission by shell command

I want to read the requested permissions of an .apk file on the computer (android sdk is installed) via command line. I.E.: $ android read-permissions /path/to/someapp.apk I know this is possible, ...
8
votes
1answer
22k views

I changed my sim card - how do I find which app is sending sms messages to my old number?

I recently traveled to another country and I'm using a local prepaid sim card on my Galaxy S2. My prepaid credit was depleted rather quickly, and when I checked the phone record I found out my phone ...
12
votes
1answer
1k views

Is it possible to know if an app has advertisements by analyzing permissions?

Or if not, how to see if an app has advertisements or not?
10
votes
1answer
856 views

What lurks behind these Gmail/GTalk permissions?

I just stumbled upon some permissions which sound clear at first sight (noticed them already quite a while ago, just decided to dig deeper right now). Thinking about possible implications, I'd really ...
9
votes
1answer
3k views

How does an app reads an OTP SMS without SMS permission?

I have recently installed an Android app from the Play Store. While registering in it, I realized that it was able to read my message of OTP without even asking for my permission to read the message. ...
8
votes
1answer
4k views

What is the Android Permission “WRITE_GSERVICES” doing?

There is a mysterious and undocumented Android Permission called: WRITE_GSERVICES. As usual Googles own documentation is even more mysterious than any bad fairytale, writing: android.permission....
14
votes
2answers
7k views

What permissions are granted to an app with device administration privileges?

Does a Device Administrator application have any/all permissions such as contacts, storage, etc.. ? It's not clear from developer.android.com device-admin whether or not these admin rights also imply ...
10
votes
1answer
2k views

Why does every app has/needs the permission “Send MMS” and “Send Email”?

So, I recently bought Elephone P8000 which has Android 5.1 installed. One of the first things I noticed was the new "App Permissions". After installing a few of my standard apps, I was curious and ...
7
votes
1answer
35k 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 ...