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February 19, Google suddenly without warning was released Android 11 Developer Preview

Android 11 Developer Preview is available for Google Pixel series models, including Google Pixel 4 / 4XL, Pixel 3a / 3a XL, Pixel 3/3 XL and Pixel 2/2 XL.

At the same time, Google also released the Android 11 development schedule, Beta version will be launched in May, the final release version will be available in Q3 2020.

The main new features of the Android 11 Developer Preview include the following:

1. Linkability

Android 11 brings a new link API to support 5G networks, so developers can take advantage of the improved speed and latency provided by 5G, such as making the app automatically provide the corresponding high-quality video when a high-quality network is detected.

Android 11 also adds a Bandwidth Estimator API that allows developers to easily determine the amount of downstream/uplink bandwidth available without the application having to query or calculate their own estimates.

Support for new screens

Today many Android OEM manufacturers like to make articles on the screen and have launched a large number of screens for digging or waterfall screens. Now Android 11 has native support for these two screens, providing APIs for digging and waterfall screens, which can be easily bypassed Digging holes or making full use of the curved part of the waterfall screen does not require a separate setting by the manufacturer.

3.Hover chat bubbles

Android 11 has added a floating chat bubble function. As long as the app uses a new API, it can float the ongoing conversation in the form of a bubble on the screen.

In addition, copy and paste have also been upgraded. If the app supports a direct copy and paste of images, then Android 11 supports pasting pictures directly into the reply of the app, reducing the need for users to cut between multiple apps. Supported.

4.Privacy and permissions

Android 11 adds one-time permission for location, microphone, and camera permissions. In other words, an app that has obtained one-time permission will still ask the user to obtain authorization when it is next used.

Android 11 will also automatically block repeated permission requests from the app. If the user clicks twice to deny authorization, the system will automatically stop asking for authorization. Of course, the user can also manually adjust it in the settings.

5.Screen recording

The screencast appeared in an earlier version of Android 10 but was later deleted, but now it can be seen and used in Android 11.

6.Pixel 4 series changes

Android 11 also has an upgrade change for the Pixel 4 series, which provides new Motion Sense gestures that can pause music.