Starting with Android 9 and 10, Google made privacy and security one of the top priorities for Android updates. Both versions brought in plenty of changes to get rid of the idea that Android isn't safe, but Android 11 could actually beat them.
In Android 11, Google builds on the previous changes to strengthen the protection of their mobile operating system. Many of the new features will go unnoticed by the average end user, but their impact is no less critical.
# 1. No more annoying consent prompts
Since Android 6.0, if an app requests access to something you don't want it to have, you can tap "Decline" on the consent prompt. New in Android 1
Android 9 reached the place where apps in the background cannot access your camera or microphone. Even if you use them, a new foregroundServiceType attribute will determine how many access apps have to these sensors.
Apps can no longer request access to the location of your device in the background via an in-app prompt. Instead, apps targeting Android 11 should create a custom user interface that clearly explains why the app needs a background location. This can then take you to the system settings page where you can grant this permission.
# 4. Scoped Storage (Again)
Android 10 introduced a new way for apps to store your phone communicate – first of all it limited their access to only the files and folders they needed. This was known as scoped storage and let's say the introduction didn't go very well. The feature broke many apps, forcing Google to introduce an attribute that allowed them to temporarily opt out of scoped storage.
For apps that target Android 11, they can no longer use this attribute to log out. Users can see which apps have requested to read the internal storage by going to Settings -> Privacy -> Rights Management -> Files & Media. Apps under Allowed for all files meet this criterion. Please note that in Android 11 these apps are limited to & # 39; read-only & # 39 ;. Only with the new permission "All files Access" can they read and write all files in the shared storage, although they cannot access app-specific folders belonging to other apps.
A new addition to the permission request prompt is the ability to limit access to one-time access. If selected, the app can only use the permission temporarily. When you open the app again, it should ask permission to use it again.
Android 11 includes platform support for securely storing and retrieving government documents such as ISO 18013-5- compatible mobile driving licenses. It will be a while before this technology is widely adopted by government agencies, but Android 11 is ready.
Call Screening apps can now verify the STIR / SHAKEN status of an incoming call. As a result, such apps can now tell you why a call was declined. The system-provided post-call screen can be customized to add user actions, such as marking a call as spam or adding it to your contacts.
Android 11 introduces categories for biometrics based on the level of authentication strength. The three levels are "Strong," "Weak," and "Device Credential."
Strong is a secure face unlock (making a 3D point cloud map of your face), a fingerprint scanner and an iris scanner. Weak biometrics include face unlock with an RGB camera. Device Credential is for authentication methods with a screen lock reference (the user's PIN, pattern, or password).
App developers can now choose which biometric category to accept for their app. For example, while a banking app would like a "Strong" level, a password protected notebook might be fine with "Weak" level biometrics.
Android 11 introduces the GnssAntennaInfo class. This allows apps to use the more accurate dual-frequency GNSS, which can track you within inches of your position. This level of tracking can be dangerous to someone's privacy, so these antennas can only identify the device model and not the individual device. This class is also only accessible to apps with location permission.
When an app requests direct access to a USB audio device with recording capabilities but without audio recording permission, a warning message appears asking the user to confirm this consent. Android 11 ignores all & # 39; always use & # 39; options and requires this permission to be granted every time the app asks.
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