Android 14 is an upcoming major release of the Android mobile operating system. It is expected to be released on October 4, 2023 at the Made by Google event along with the Google Pixel 8 and Pixel 8 Pro. As of October 3, 2023, Google has yet to make an official announcement about the Android 14 release date.
Android 14 features and changes list
The following table lists all documented features and behavior changes that might affect app developers. Use this list to find changes that affect you, and then use the corresponding link to read the documentation.
| Category | Type | Name |
|---|---|---|
| Accessibility | Change (all apps) |
Test your app with non-linear font scaling Because Android supports font scaling up to 200%, you should perform UI testing to ensure that your app can accommodate larger font sizes without impacting usability. |
| Accessibility | New features and APIs |
Non-linear font scaling to 200% Android supports font scaling up to 200%, providing low-vision users with additional accessibility options that align with Web Content Accessibility Guidelines (WCAG). |
| Camera and media | New features and APIs |
Ultra HDR for images Android 14 adds support for 10-bit High Dynamic Range (HDR) images that retain more of the information from the sensor when taking a photo, which enables vibrant colors and greater contrast. |
| Camera and media | New features and APIs |
Zoom, Focus, Postview, and more in camera extensions Android 14 upgrades and improves camera extensions, allowing apps to handle longer processing times, which enables improved images using compute-intensive algorithms like low-light photography on supported devices. |
| Camera and media | New features and APIs |
In-sensor zoom Implement request override controls to give users zoom control even before other camera controls are ready. |
| Camera and media | New features and APIs |
Lossless USB audio Android 14 gains support for lossless audio formats for audiophile-level experiences over USB wired headsets. |
| Core functionality | Change (all apps) |
Apps can kill only their own background processes When your app calls killBackgroundProcesses(), the API can kill only the background processes of your own app.
|
| Core functionality | Change (all apps) |
Schedule exact alarms are denied by default The SCHEDULE_EXACT_ALARM permission is no longer being pre-granted to most newly-installed apps targeting Android 13 and higher—the permission is denied by default.
|
| Core functionality | Change (all apps) |
Context-registered broadcasts are queued while apps are cached The system may place context-registered broadcasts in a queue when these broadcasts are queued for delivery to an app that's in the cached state. |
| Core functionality | Change (all apps) |
MTU is set to 517 for the first GATT client requesting an MTU The Android Bluetooth stack more strictly adheres to Version 5.2 of the Bluetooth Core Specification and requests the BLE ATT MTU to 517 bytes when the first GATT client requests an MTU using the BluetoothGatt#requestMtu(int) API, and disregards all subsequent MTU requests on that ACL connection.
|
| Core functionality | Change (all apps) |
New reason an app can be placed in the restricted standby bucket Android 14 introduces a new reason an app can be placed into the restricted standby bucket. |
| Core functionality | Change (all apps) |
System enforces cached-app resource usage Shortly after an app process enters a cached state, background work is disallowed, until a process component re-enters an active state of the lifecycle. |
| Core functionality | Change (all apps) |
mlock limited to 64 KB In Android 14 and higher, the platform reduces the maximum memory that can be locked using mlock() to 64 KB per process.
|
| Core functionality | Change (apps targeting 14+) |
Foreground service types are required If your app targets Android 14 or higher, it must specify at least one foreground service type for each foreground service within your app. |
| Core functionality | Change (apps targeting 14+) |
Enforcement of BLUETOOTH_CONNECT permission in BluetoothAdapter Android 14 enforces the BLUETOOTH_CONNECT permission when calling the BluetoothAdapter getProfileConnectionState() method for apps targeting Android 14 (API level 34) or higher.
|
| Core functionality | Change (apps targeting 14+) |
OpenJDK 17 updates As part of the OpenJDK 17 updates, there are some changes that can affect app compatibility, such as changes to regular expressions and UUID handling. |
| Core functionality | Change (apps targeting 14+) |
JobScheduler reinforces callback and network behavior If your app targets Android 14 or higher and exceeds the granted time on the main thread, the app triggers an ANR with the error message. |
| Developer productivity and tools | New features and APIs |
Credential Manager Android 14 introduces Credential Manager, which supports multiple sign-in methods, including username and password, passkeys, and federated sign-in solutions (such as Sign-in with Google) in a single API. |
| Developer productivity and tools | New features and APIs |
Health Connect Starting with Android 14, Health Connect is part of the platform and receives updates through Google Play system updates without requiring a separate download. |
| Developer productivity and tools | New features and APIs |
Sharesheet custom actions and improved ranking Android 14 updates the system sharesheet to support custom app actions and more informative preview results for users. |
| Developer productivity and tools | New features and APIs |
Support for built-in and custom animations Apps that use the new system back APIs can opt in to predictive back to automatically receive in-app animations and also support custom transitions. |
| Developer productivity and tools | New features and APIs |
OpenJDK 17 updates Android 14 includes features and improvements that further align with the OpenJDK 17 LTS release, including both library updates and Java 17 language support for app and platform developers. |
| Developer productivity and tools | New features and APIs |
Improvements for app stores Android 14 introduces several new PackageInstaller APIs that allow app stores to improve their user experience.
|
| Developer productivity and tools | New features and APIs |
App metadata bundles Starting in Android 14, the Android package installer lets you specify app metadata, such as data safety practices, to include on app store pages such as Google Play. |
| Developer productivity and tools | New features and APIs |
Screenshot detection A privacy-preserving API that invokes a callback and displays a toast message when the user takes a screenshot while an app activity is visible. |
| Internationalization | New features and APIs |
Per-app language preferences Android 14 expands on the per-app language features that were introduced in Android 13 (API level 33) with some additional capabilities. |
| Graphics | New features and APIs |
Paths are now queryable and interpolatable Query paths to find out what's inside of them, interpolate between paths whose structures match exactly, and enable morphing effects. |
| Graphics | New features and APIs |
Custom meshes with vertex and fragment shaders Android 14 adds support for custom meshes, which can be defined as triangles or triangle strips, and can, optionally, be indexed. |
| Graphics | New features and APIs |
Hardware buffer renderer for Canvas To assist in using Android's Canvas API to draw with hardware acceleration into a HardwareBuffer, Android 14 introduces HardwareBufferRenderer.
|
| Internationalization | New features and APIs |
Grammatical Inflection API The Grammatical Infection API lets you more easily add support for users who speak languages that have grammatical gender, providing a more personalized and natural-sounding user experience for those languages. |
| Internationalization | New features and APIs |
Regional preferences Apps can receive notifications when a user changes their regional preferences and mirror these preferences in app. |
| Non-SDK interface restrictions | Change (apps targeting 14+) |
Updates to non-SDK interface restrictions Android 14 includes updated lists of restricted non-SDK interfaces based on collaboration with Android developers and the latest internal testing. |
| Security | Change (all apps) |
Minimum installable target API level Apps with a targetSdkVersion lower than 23 can't be installed.
|
| Security | Change (all apps) |
Media owner package names might be redacted The value of OWNER_PACKAGE_NAME is redacted unless apps meet certain conditions.
|
| Security | Change (apps targeting 14+) |
Restrictions to implicit and pending intents For apps targeting Android 14, Android restricts apps from sending implicit intents to internal app components. |
| Security | Change (apps targeting 14+) |
Runtime-registered broadcasts receivers must specify export behavior Apps and services that target Android 14 and use context-registered receivers are required to specify a flag to indicate whether or not the receiver should be exported to all other apps on the device. |
| Security | Change (apps targeting 14+) |
Safer dynamic code loading If your app targets Android 14 and uses Dynamic Code Loading (DCL), all dynamically-loaded files must be marked as read-only. |
| Security | Change (apps targeting 14+) |
Zip path traversal For apps targeting Android 14, Android prevents the Zip Path Traversal Vulnerability by restricting what zip file entry names can contain. |
| Security | Change (apps targeting 14+) |
Additional restrictions on starting activities from the background Apps that target Android 14 must opt in if they want to grant their background activity launch privileges to another app either when sending that app's PendingIntent, or binding that app's service.
|
| User experience | Change (all apps) |
Grant partial access to photos and videos The user can grant partial access to their photos and videos when an app requests any visual media permissions that were introduced in Android 13 (API level 33): READ_MEDIA_IMAGES and READ_MEDIA_VIDEO.
|
| User experience | Change (all apps) |
Secure full-screen Intent notifications With Android 14, only apps that provide calling and alarms are allowed to use the USE_FULL_SCREEN_INTENT permission to support full-screen intent notifications.
|
| User experience | Change (all apps) |
Changes to how users experience non-dismissable notifications If your app shows non-dismissable foreground notifications to users, Android 14 has changed the behavior to allow users to dismiss such notifications. |
| User experience | Change (all apps) |
Data safety information is more visible Your app's data safety information, such as data-sharing practices, now appears in some permission rationale system dialogs and in system notifications. |
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Android 14 (internally codenamed Upside Down Cake[2]), was announced on February 8, 2023. A developer preview was released immediately,[3] as well as a roadmap with the dates of updates.[4] This contained another developer preview, which was published on March 8,[5] as well as four monthly beta versions. The first beta was released on April 12, which received a hotfix to Beta 1.1 on April 26.[6][7] The second beta was released on May 10, which also received a hotfix to Beta 2.1 on May 25.[4] The third beta version was released on June 7, now reaching platform stability,[8] which later received a hotfix to Beta 3.1 on June 14. The fourth beta version was released on July 11.[9]
The beta versions are available for Pixel devices that are guaranteed Android version updates, the Pixel 4a (5G) or newer devices. Pixel 7a can also beta test Android 14 since Beta 3.[10] The Pixel Tablet and Pixel Fold have been able to beta test Android 14 since Beta 4.
Source : Wikipedia
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