Details
-
User Story
-
Resolution: Unresolved
-
P2: Important
-
None
-
None
-
None
-
Android
Description
Behavior Changes:
| Category | Affected | Name | Proposed Action | |
| Activity lifecycle | Change (all apps) | Root launcher activities are no longer finished on Back press The system Back button now moves an activity to the background instead of finishing it |
No action. Limited to launchers. | |
| Connectivity | Change (all apps) | Passpoint updates Android 12 introduces new APIs to verify device support for Passpoint features. |
Check new feature | |
| Graphics and images | Change (all apps) | Improved refresh rate switching The refresh rate can now be changed even when the display doesn't support a seamless transition. |
No action | |
| Performance | Change (all apps) | Restricted App Standby Bucket Android 12 introduces a new, stricter App Standby Bucket for apps that use system resources less responsibly. |
Research impact. | |
| Security and privacy | Change (all apps) | Microphone and camera toggles Supported devices allow users to enable or disable microphone and camera access for all apps with a single toggle option. |
No action. | |
| Security and privacy | Change (all apps) | Microphone and camera indicators Status bar icons are now displayed whenever an app accesses the microphone or camera. |
No action. | |
| Security and privacy | Change (all apps) | Permission package visibility Permission info from the package manager is now filtered based on package visibility. |
No action. | |
| Security and privacy | Change (all apps) | BouncyCastle implementation removed Android 12 removes many BouncyCastle implementations of cryptographic algorithms that were previously deprecated. |
No action. | |
| Security and privacy | Change (all apps) | Clipboard access notifications Users are now notified when an app accesses clipboard data from a different app. |
No action. | |
| Security and privacy | Change (all apps) | Apps can't close system dialogs Apps can no longer invoke an intent that closes a system dialog. |
No action. | |
| Security and privacy | Change (all apps) | Untrusted touch events are blocked Android 12 prevents apps from consuming touch events where an overlay obscures the app in an unsafe way. |
Research impact on UX. Should not have impact. | |
| UX | Change (all apps) | Stretch overscroll effect Android 12 introduces new visual behavior for overscroll events. |
No action. | |
| UX | Change (all apps) | App splash screens Apps that previously implemented a custom splash screen must now migrate to the new SplashScreen API. |
Check new feature | |
| UX | Change (all apps) | Web intent resolution A generic web intent now only resolves to an app's activity if that app is approved for the specific domain contained in that web intent. |
Research Impact. | |
| UX | Change (all apps) | Immersive mode improvements for gesture nav Android 12 replaces existing behaviors for immersive mode with the default behavior: BEHAVIOR_DEFAULT. |
No action. | |
| UX | Change (all apps) | Display#getRealSize and getRealMetrics: deprecation and constraints The Display APIs getRealSize() and getRealMetrics() are deprecated in Android 12. |
Deprecation issue | DONE |
| UX | Change (all apps) | All apps in multi-window mode Multi-window mode is now standard behavior on devices with large screens. |
No action. | |
| UX | Change (all apps) | Camera preview on large screens Camera apps that request a specific screen orientation and are not resizable now enter inset portrait mode automatically. |
Check impact on multimedia examples. | |
| UX | Change (all apps) | UX delay for foreground service notifications To streamline short-lived tasks, foreground service notifications are now delayed by 10 seconds for certain foreground services. |
No action. | |
| Backup and restore | Change (apps targeting 12+) | Changes in backup and restore Include/exclude rules are now specified separately for Google Drive and D2D backups. |
No action. | |
| Compatibility | Change (apps targeting 12+) | Updated non-SDK restrictions Some previously unsupported interfaces are blocked in Android 12. |
Non-SDK Restrictions issue | |
| Connectivity | Change (apps targeting 12+) | Concurrent Peer-to-Peer + Internet Connection On supported devices, the primary Wi-Fi network is no longer disconnected when establishing concurrent peer-to-peer and internet connections. |
No action. | |
| Connectivity | Change (apps targeting 12+) | mDNSResponder native API The mDNSResponder daemon now runs only while it is needed for NSD events. |
No action. | |
| Performance | Change (apps targeting 12+) | Foreground service launch restrictions Apps are no longer permitted to start foreground services while running in the background. |
No action. | |
| Performance | Change (apps targeting 12+) | Exact alarm permission Apps now require a special permission to set exact alarms. |
No action. | |
| Performance | Change (apps targeting 12+) | Notification trampoline restrictions Apps can no longer use intermediary services or broadcast receivers to open an activity when the user taps a notification. |
No action. | |
| Security and privacy | Change (apps targeting 12+) | Approximate location When an app requests precise location permissions, users can now opt to grant only approximate location permissions instead. |
No action. | |
| Security and privacy | Change (apps targeting 12+) | Modern SameSite cookies in WebView Apps now must explicitly specify which cookies are allowed to work across different websites. |
No action. | |
| Security and privacy | Change (apps targeting 12+) | Motion sensors are rate-limited The system now limits the refresh rate of data from certain motion sensors and position sensors. |
No action. | |
| Security and privacy | Change (apps targeting 12+) | App hibernation Apps are now placed in a hibernation state if the user doesn't interact with them for a few months. |
No action. | |
| Security and privacy | Change (apps targeting 12+) | Attribution declaration in data access auditing Apps must now declare attribution tags in the manifest to use them for data access auditing. |
No action. | |
| Security and privacy | Change (apps targeting 12+) | ADB backup restriction ADB backups now exclude app data by default. |
No action. | |
| Security and privacy | Change (apps targeting 12+) | Safer component exporting Apps must now explicitly declare whether their components that use intent filters are allowed to be launched by other apps. |
Research Impact. | |
| Security and privacy | Change (apps targeting 12+) | Pending intents mutability Apps must now specify the mutability of each PendingIntent object that they create. |
Research Impact. | DONE |
| Security and privacy | Change (apps targeting 12+) | Unsafe intent launches Android 12 introduces a debugging feature that detects unsafe intent launches. |
No action. | |
| UX | Change (apps targeting 12+) | Custom notifications Android 12 enforces visually consistent layout templates for custom notifications. |
Research Impact. | |
| UX | Change (apps targeting 12+) | Android App Links verification changes Domains for Android App Links are now verified only if those domains are declared in a specially-formatted intent filter. |
No action. | |
| UX | Change (apps targeting 12+) | Picture-in-Picture (PIP) behavior improvements Android 12 includes improved PiP behavior for single- and double-tapping. |
No action. | |
| Vendor libraries | Change (apps targeting 12+) | Vendor-supplied native shared libraries Non-NDK native shared libraries are now only accessible when they are explicitly requested. |
Feature. |
Attachments
Issue Links
- resulted from
-
QTBUG-99100 Spike Android 12 features
-
- Closed
-