There are two types of app permissions
The first type meant accepting all permissions of an app as a complete package before installing it on the Google Play Store. As a result, people were not worried and blindly handed everything over to the app and thought, “It’ll be fine, I just want to finally be able to use the app!”
Then, a couple of years ago, a new type of app permissions came along. This method requires permissions according to the system used starting with Android 6.0, and only allows apps to have access to permissions when they are in use. This incidentally has led developers to explain why they need certain permissions.
With the launch of Android 9.0 Pie, and now Android 10, even tighter controls have been added. From January 7, 2019, SMS and call log access are separated from the old permissions grouping bundled into Phone. Call logs and SMS data can now only be accessed by apps that are set to default for those actions. The latest Android software makes it a lot easier to get control over those invasive apps that get greedy with permissions.
Change the permissions of an app
Apps that use this new authorization model allow you to revoke permissions. Google classifies some permissions as ‘dangerous permissions’, including the following:
Calendar
Call logs
Camera
Contacts
Body sensors
Microphone
SMS
Memory
Location
Telephone
There are permission packages that combine several partial permissions. A flashlight app can record videos of you, because it needs the camera permission for LED control. But an app that is allowed to read text messages may not send them automatically because of SMS permissions. This makes it all the more important for app developers to adhere to Google’s transparency for users and to explain why their app requires a given permission.
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There are different approaches to manage and administer permissions. / © NextPit
Starting from Android 8.1, several permissions are classified as ‘normal’ and every app is entitled to them. These include:
Network status
Notification guidelines
Bluetooth admin
Change network status
Keep key lock open
Internet
Stop background processes
NFC (near-field communication)
Disable battery optimizations
Change background image
Use the fingerprint sensor
Apps request these authorizations upon installation, and the user can’t withdraw them afterwards.
Dangerous app permissions
Calendar
Similar to SMS permissions, calendar permissions are divided into access to reading and access to writing. Obviously, these permissions only make sense for third-party calendar apps.
Best calendar apps for Android
Call logs
If you are already using Android 9.0, you may have noticed an extra permissions group appear in your settings menu. Google’s new Malicious Behavior policy is a lot tougher on surveillance and commercial spyware, and this permissions category is a way of giving users more control. This is one of those permissions groups that you will likely be switching off for almost all of your apps.
call log permissions
How Call log permissions look on Android 10. / © NextPit
Camera
Flashlight apps request this strange-looking permission, but the LED light is accessed via the camera. Since the permission isn’t broken into sub-permissions, these kinds of apps get full access to your camera, but not to the microphone.
Contacts
This group has a few different kinds of permissions: apps can read your contacts or view available smartphone accounts. Do you also use Facebook or Twitter and have the accounts already connected to your device? The address book and chat apps often want to read your contacts so it can network with them. The developer of an app can then store your contacts on its servers, and in the worse case, try to sell the numbers. So watch out!
Body sensors
Exercise or other health apps may want to measure your pulse. If your device has this kind of sensor, you’ll have to activate it to allow apps permission to it.
]Microphone
This permission allows audio recordings to be made immediately. If recordings are being made in the background, Android will notify you.
Some apps like WhatsApp don’t offer SMS functionality. Instead, they are able to use this permission to read the SMS with a verification code. In principle, you can deny permission and enter the code manually in the chat app.
Furthermore, this group of permissions is divided into five groups. There are permissions for sending, receiving, and reading text messages, receiving WAP Push messages, and reading an MMS. You have to be especially careful with permissions for sending text messages. Ideally, you should only allow this permission if you’ve deactivated paying for text messages through your provider.
sms permissions
This is how SMS permissions look on Android 10. / © NextPit (screenshot)
Memory
When an app gets this permission, it has access to your memory. You’ll run into this with file manager apps and the microSD card. The sub-permissions will either have reading access or writing access, and can therefore also be deleted. Many apps use this permission to provide your user data where it doesn’t actually belong. Since your memory is virtually unprotected by the permission, these apps can spy on all your information in your memory.
Apps can determine your location, either roughly or precisely. Android does this through the location service, i.e. a mixture of Wi-Fi, GPS, and other potentially available sensors. Apps with this permission can record a motion profile of you. Depending on the number of users, heat maps of cities and other big data analyses can also be created.
app permissions location
You have more options for location permissions on Android 10. / © NextPit (screenshot)
In more recent Android software updates, you now have more control over the type of location permission you hand out to apps. You can choose from three options: Allow all the time, Allow only while using the app, or Deny. The middle option, where the app can see your location only when it is open, is a really useful addition that helps to protect your privacy.
Telephone
This is by far the largest group of dangerous permission. It is divided into…
Receive phone status
This is often used in music apps that pause playback when a call is received.
Reading out telephone numbers
The app hands over your mobile number so you don’t have to type it in. Deny this permission if the app doesn’t necessarily need your mobile phone number.
Making calls
Answer calls
Reading the call list
Writing the call list
Add mailbox
Using SIP (Session Initiation Protocol)
Editing outgoing calls
Reading incoming numbers
Good apps, bad apps
There is always room for improvement. With every Android update, you can get one step closer to more precise control over your permissions. If you prefer to keep your friends’ phone numbers to yourself and don’t want to be part of the next big data scandal, be careful about what data you disclose. Trust is good, but control is better!
Source: https://www.nextpit.com/how-to-manage-app-permissions
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