, we're releasing the second Beta of Android 14. Google I/O plays a key role in helping Android continuously improve. The and the , and thank you in advance for your continued help in making Android a platform that works for everyone.
Now available on more devices
The Android 14 beta is now
Android adds support for 10-bit high dynamic range (HDR) images, retaining more of the information from the sensor when taking a photo, enabling vibrant colors and greater contrast. The or at runtime by calling on supported devices. With more colors recovered from the sensor, editing in post can be more flexible. The , allowing apps to handle longer processing times, enabling improved images using compute-intensive algorithms like low-light photography on supported devices. This will give users an even more robust experience when using Camera Extension capabilities. Examples of these improvements include:
Dynamic still capture processing latency estimation provides much more accurate still capture latency estimates based on the current scene and environment conditions. Call object, which has two latency estimation methods. The , and if it is, you implement the for dialing in the amount of an extension effect, such as the amount of background blur with . Then you can pass an .
Support for in , your app can leverage advanced sensor capabilities to give a cropped RAW stream the same pixels as the full field of view by using a . By implementing the request override controls, the updated camera will give users zoom control even before other camera controls are ready.
Lossless USB audio
Android 14 gains support for lossless audio formats for audiophile-level experiences over USB wired headsets. You can query a USB device for its preferred mixer attributes, register a listener for changes in preferred mixer attributes, and configure mixer attributes using a new , without mixing, volume adjustment, or processing effects. We are working with our OEM partners to enable this feature in devices later this year.
More graphics capabilities
Android 14 adds advanced graphics features that can be used to take advantage of sophisticated GPU capabilities from within the Canvas layer.
Custom meshes with vertex and fragment shaders
Android has long supported drawing triangle meshes with custom shading, but the input mesh format has been limited to a few predefined attribute combinations. Android 14 adds support for or with , and vertex/fragment shaders written in color using the . API to draw with hardware acceleration into a . It is particularly useful when your use case involves communication with the system compositor through
Health Connect is an on-device repository for user health and fitness data. It allows users to share data between their favorite apps, with a single place to control what data they want to share with these apps.
Health Connect is currently available to download as an app on the Google Play store. Starting with Android 14, Health Connect is part of the platform and receives updates via Google Play system updates without requiring a separate download. With this, Health Connect can be updated frequently, and your apps can rely on Health Connect being available on devices running Android 14+. Users can access Health Connect from the Settings in their device, with privacy controls integrated into the system settings.
We're launching support for exercise routes in Health Connect, allowing users to share a route of their workout which can be visualized on a map. A route is defined as a list of locations saved within a window of time, and your app can insert routes into exercise sessions, tying them together. To ensure that users have complete control over this sensitive data, users must allow sharing individual routes with other apps.
That's not all that's new! We have a separate blog post with more detail on Health Connect and more in
Users will see a new section in the location runtime permission dialog that highlights when an app shares location data with third parties, where they can get more information and control the app’s data access. This information is from the . Other app stores will be able to provide a mechanism to pass along this information as well. We encourage you to review your apps’ location data sharing policies and make any applicable updates to your apps' data safety information to ensure that they are up to date. This change will be rolling out shortly.
to send full-screen intents while the phone is locked. You could auto-grant this on app install by declaring the to check if your app has the permission; if not, your app can use the new intent
Material Component Search Animation
With the Android 14 Beta 2 release, we've added multiple improvements and new guidance for developers to have more seamless animation when moving between activities within an app.
You can set , .
We've created , in , in instead of , as well as the developer guide to creating custom in-app transitions.
App compatibility
With Beta 2, we're just a step away from platform stability in June 2023, when we'll have the final Android 14 SDK and NDK APIs and final app-facing system behaviors. Now that more devices will be running the Android 14 beta, In the weeks ahead, you can expect more users to be trying your app on Android 14 and raising issues they find.
To test for compatibility, install your published app on a device or emulator running the Android 14 Beta and work through all of the app’s flows. Review . For testing your app with tablets and foldables, you can test with devices from our partners, but the easiest way to get started is using the 64-bit Android Emulator system images for the Pixel Tablet or Pixel Fold configurations found in the latest preview of the to get this and future Android 14 Beta and feature drop Beta updates over-the-air.
For the best development experience with Android 14, we recommend that you use the latest release of , here are some of the things you should do:
Try the new features and APIs – your feedback is critical as we finalize the APIs. Report issues in our tracker on the feedback page.
Test your current app for compatibility – learn whether your app is affected by default behavior changes in Android 14. Install your app onto a device or emulator running Android 14 and extensively test it.
Test your app with opt-in changes – Android 14 has opt-in behavior changes that only affect your app when it’s targeting the new platform. It’s important to understand and assess these changes early. To make it easier to test, you can .
Vollständiger Original-Bericht
Ausführliche Details, Code-Beispiele & Hersteller-Stellungnahme auf android-developers.googleblog.com.
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