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Google released the Android P developer version: improving the notification bar to improve security

via:博客园     time:2018/3/8 11:46:56     readed:69


In the early hours of Beijing March 8th, in recent years, Google releases the next developer preview of the next Android system in March. This year's release is the next generation of Android systems, codenamed Android P. The highlights of the new system include the improvement of the notification bar, the optimization of the indoor location, the design of the top notch screen like the iPhone X, and the performance improvement.

The developer preview is for Android developers only. Google hopes to get feedback from developers about new functions such as new type screen adaptation and new notification bar in preview system.

New features for applications and developers

With many new mobile phones using similar Essential Phone and iPhone X similar to the design of the screen top groove, the current mobile application can make full use of this unique screen for application design. The Android P system adjusts the design of the notification bar to match the screen, and the new APIs will allow developers to determine the form of the notification message.

The improvement of notification bar improves functionality and visibility. That is, applications can not only display static notifications in the notification bar, but also display real-time conversations, pictures, expressions and other contents, and can directly reply to messages. Reply, a message similar to Google's experimental nature, is used.

In terms of taking photos, the new system allows simultaneous reception of multiple cameras' data streams, which enables multi camera phones to have functions such as seamless zoom, out of focus imaging and stereo vision.

For multimedia capabilities, the new system can play HDR video from YouTube and Play Movies on devices that support HDR VP9. HEIF allows higher quality image compression, while the multimedia APIs of Android P is rewritten, adding availability.

Other new features include indoor location using WiFi Round-Trip-Time technology, which allows intelligent devices to measure distances with multiple WiFi connections to achieve location. At the same time, the neural network application interface and the Open Mobile API for NFC payment and security transactions are updated.

Functional changes of Android system

Many changes have been made to the new Android P system

The new system restricts idle applications to use mobile phones, cameras, and other sensors. Google also improved the security of the backup of the Android system.

Android P adds a fingerprint authorization module to the system settings to manage an authorized application that can be used for fingerprint verification.

At the same time, because of the change of ART, the application will gain performance and efficiency. The application will be better optimized, while the compiled code takes up less memory space.

Now, Android P and Pixel XL system in Pixel, Pixel 2, Pixel 2 XL installed on the mobile phone, at the same time, Google also encourages developers in Android Studio 3.1 and above versions by downloading the Android P developer preview version of SDK and the new system installed and tested in the simulator.

Again, the initial version of the developer preview is only recommended by developers and can not be used by ordinary consumers in their daily use. At present, you can only install a new system on a Pixel handset by manually downloading it.

According to Google's plan, Android P will launch 5 developer previews, and will release the final version to AOSP and OEM vendors in the third quarter of this year.

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