The second preview of Android 11 has already been released and these are its changes

Android 11

Recientemente Google introduced the second trial version of your open mobile platform "Android 11", which is expected to be ready for stable launch in the third quarter of 2020. To evaluate the new features of the platform, a preliminary test program is proposed.

Compilations of this second preview of Android 11 are prepared for Pixel 2/2 XL, Pixel 3/3 XL, Pixel 3a / 3a XL and Pixel 4/4 XL devices. For those who installed the first trial version, an OTA update is provided.

Of the most important changes compared to the first test release of Android 11, the following stand out:

Added the 5G Status API, what allows the app to quickly determine the connection over 5G in New Radio or Non-Standalone modes.

For devices with folding screens, has been added an API to receive information from the angle sensor to open the screen halves. Using the new API, applications can determine the exact opening angle and tailor the output to suit it.

La Call Verification API has been extended with functions to detect automatic ringing. To filter call requests, assistance is provided to check the status of an incoming call via STIR / SHAKEN to spoof the caller ID as well as the ability to return the reason to block the call and change the system screen content displayed after the call is completed to mark it as spam or add it to the address book .

La Neural Networks API has been extended to provide applications with hardware acceleration capabilities for machine learning systems.

Added support for swish activation function, which makes it possible to reduce neural network training time and increase the precision of certain tasks, for example to speed up work with MobileNetV3-based computer vision models.

Se added Control operation, what allows creating more advanced machine learning models that support branches and loops. An asynchronous command queue API was implemented to reduce delays when starting a chain of small related models.

Separate types of background services have been added for camera and microphone, which will need to be requested if the app needs to access the camera and microphone at idle time.

Added support for migrating files from old storage model to Scoped Storage, isolating the application files on an external drive (for example, on an SD card). When using Scoped Storage, the application data is limited to a separate directory, and access to shared collections of media files requires separate permissions. Improved management of cached files.

Have been added new APIs to synchronize the output of interface elements application with the appearance of an on-screen keyboard to organize smoother animation of output by informing the application of changes at the individual frame level.

Added API for managing an update frequency that allows the windows of some games and applications to set a different frequency (for example, Android uses default refresh rate of 60Hz, but some devices can increase it up to 90Hz).

Implemented a job continuation mode after installing OTA firmware update, which requires restarting the device. The new p modeAllow applications to maintain access to encrypted storage without having to unlock the device by the user after a reboot, ie.

Android emulator adds support to simulate front and rear camerasto. For the rear camera, Camera2 API HW Level 3 is implemented with support for YUV rendering and capture in RAW mode. For the front camera, a FULL level is implemented with support for the logic camera (a logic device based on two physical devices with a narrow and wide viewing angle).


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