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Versió inicial15 agost 2022 Modifica el valor a Wikidata
Més informació
Lloc webandroid.com… (anglès) Modifica el valor a Wikidata

Android 13 is the thirteenth major release of the Android mobile operating system, developed by the Open Handset Alliance led by Google, released for the public on August 15, 2022.[1][2][3]

History

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Android 13 logo for Developer preview and Beta release

Android 13 (internally codenamed Tiramisu)[4] was announced in an Android blog posted on February 10, 2022,[5] and the first Developer Preview was immediately released for the Google Pixel series (from Pixel 4 to Pixel 6, dropping support for the Pixel 3 and Pixel 3a). It was released 4 months or so after the stable version of Android 12. Developer Preview 2 followed later, releasing in March.[6] Beta 1 was released on April 26, 2022.[7] Google released beta 2 during Google I/O on May 11, 2022.[8] Two more beta versions were planned for release in June and July. Platform stability was reached in June, with Beta 3. The final release of Android 13 began on August 15 when the update was made available to Pixel phones and pushed to the Android Open Source Project.[9][10]

Features

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Privacy

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Android 13 includes several new features intended to enhance user privacy, both user-facing and developer-facing.[11][12]

A new media picker is added, which improves privacy by allowing users to choose which photos and videos apps have access to.[13] Most apps have not implemented this picker yet. In addition, Android 13 introduces a new permission, NEARBY_WIFI_DEVICES. Previously, Wi-Fi and GPS permissions were bundled into a single setting termed "Location". This change means that apps can now be allowed to search for nearby devices and networks without needing to request access to broader navigational systems.[14]

Also, a new runtime permission feature is being added to apps sending non-exempt notifications which allows users to focus on notifications most important to them.[15]

User experience

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Apps are now required to request permission from the user before they are able to send notifications.[16]

Small changes to dialog windows such as the Internet toggle have been added, making them fit better with the design language. As of Developer Preview 2, the media player has been redesigned, now using the album cover as a background, and including more user controls.[17] In the early previews, silent mode disabled vibration completely, including haptics. As of the beta versions, the old behavior has returned.[18] The multiple users feature has been improved, with now the possibility of selecting which apps can be accessed from the guest user. App data is sandboxed between users, so no information is shared.

New features

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The number of active apps is now shown at the bottom of the notifications panel, a tap on it opens a detailed panel which lets the user stop each of them.[19]

Support for Bluetooth LE Audio and the LC3 audio codec, which enables receiving and sharing audio between multiple bluetooth devices simultaneously; it can also improve the audio quality and battery life of the connected devices, as long as they also support it.[13][20][21][22] This version opens the support for third-party apps to use themed Material You icons.[13] Long-pressing and dragging a notification will allow the notification to open in split screen view. This feature is available on phones as well as tablets.[16]

As of Beta 2, the Pixel launcher includes a new "unified" search bar, which is able to provide search results from the internet as well as local apps and activities. It seems that Google will be expanding the capabilities of this search tool in future releases.[23]

Tweaks

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Split Screen mode now persists through app changes, meaning it is possible to use other apps and the phone launcher, and split screen apps will stay paired together in the Overview menu. Animations have been improved, notably the fingerprint scanner glow on the Pixel 6 series. Overflow notifications on the lock screen also are housed in a dynamically sized pill rather than a bar, and the 2-line stacked clock is slightly smaller.[16] The app label font has been changed in the Pixel Launcher, and subtle haptics have been added throughout the user experience. The Android version has been changed to "Tiramisu" in settings and the Quick Settings panel. As of Developer Preview 2, "Tiramisu" is replaced with "13". The unified search bar includes new smoother animations and transitions.

Many of the changes are from Android 12.1 “12L”, such as the dock displayed on large screens, and other improvements for large format devices. These are mainly intended for foldables and tablets, but it can be enabled on phones by changing the DPI settings.

Platform

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Android 13 ART will be updated with a new garbage collector (GC) utilizing the Linux userfaultfd system call.[24][25][26] It reduces memory pressure, compiled code size, jank and prevents the risk of killing apps because of low memory during GC.[26] Other changes also improve app startup, reduce jank and improve performance.[26] Because of the Mainline project, Android 12 ART will also be updated.[27]

See also

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Referències

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  1. ↑ «'Panlingual' feature for per-app language settings planned for Android 13». androidpolice.com. androidpolice.com, 23-12-2021.
  2. ↑ «Google may have already revealed the dessert name for Android 13 "T"». xda-developers.com. xda-developers.com. [Consulta: 25 desembre 2021].
  3. ↑ «PLATFORM_VERSION_CODENAME is being updated from T to Tiramisu.». android-review.googlesource.com/. android-review.googlesource.com/. [Consulta: 25 desembre 2021].
  4. ↑ «Yep, Android 13's dessert codename is 'Tiramisu' after all» (en anglès). The Verge, 11-02-2022.
  5. ↑ Android Developers. «The first developer preview of Android 13», 10-02-2022.
  6. ↑ «Android 13 Developer Preview 2» (en anglès). Android Developers Blog. [Consulta: 18 març 2022].
  7. ↑ «The first Android 13 beta is available now» (en anglès). Engadget. [Consulta: 26 abril 2022].
  8. ↑ «Release notes» (en anglès). Android Developers. [Consulta: 31 maig 2022].
  9. ↑ Porter, Jon. «Android 13 arrives for Pixel phones starting today» (en anglès). The Verge, 15-08-2022. [Consulta: 15 agost 2022].
  10. ↑ Lamont, Jonathan. «Android 13 now available for Pixel phones, AOSP» (en anglès). MobileSyrup, 15-08-2022. [Consulta: 16 agost 2022].
  11. ↑ «I/O 2022: Android 13 security and privacy (and more!)». Eugene Liderman and Sara N-Marandi, Android Security and Privacy Team. [Consulta: 11 juliol 2022].
  12. ↑ Newman, Lily Hay. «Android 13 Tries to Make Privacy and Security a No-Brainer». Wired.com. [Consulta: 11 juliol 2022].
  13. ↑ 13,0 13,1 13,2 «Features and APIs Overview | Android 13 Developer Preview» (en anglès). Android Developers. [Consulta: 28 febrer 2022].
  14. ↑ «New runtime permission for nearby Wi-Fi devices | Android 13 Developer Preview» (en anglès). Android Developers. [Consulta: 28 febrer 2022].
  15. ↑ «Notification runtime permission» (en anglès). Android Developers. [Consulta: 11 juny 2022].
  16. ↑ 16,0 16,1 16,2 Li, Abner. «Here's everything new in Android 13 Developer Preview 2 [Gallery]» (en anglès americà). 9to5Google, 17-03-2022. [Consulta: 18 març 2022].
  17. ↑ «Android 13 DP2 Brings Redesigned Media Player & Output Picker» (en anglès americà). Android Headlines, 18-03-2022. [Consulta: 18 març 2022].
  18. ↑ «Android 13 will disable all haptics in Silent mode» (en anglès americà). xda-developers, 11-02-2022. [Consulta: 28 febrer 2022].
  19. ↑ Amadeo, Ron. «Android 13 review: Plans for the future, but not much to offer today» (en anglès americà). Ars Technica, 30-08-2022. [Consulta: 31 agost 2022].
  20. ↑ «Android 13 may finally bring full support for Bluetooth LE Audio» (en anglès americà). xda-developers, 22-12-2021. [Consulta: 22 abril 2022].
  21. ↑ «New LC3 Encoder (I5f2f7627)». AOSP Gerrit. [Consulta: 22 abril 2022].
  22. ↑ «Add new LC3 decoder (I275ea8ba)». AOSP Gerrit. [Consulta: 22 abril 2022].
  23. ↑ «Android 13's new launcher search lets you pin recent queries to your home screen» (en anglès americà). Android Police, 13-05-2022. [Consulta: 17 maig 2022].
  24. ↑ Gidra, Lokesh, What's new in app performance, <https://www.youtube.com/watch?v=DYdHLqLVspY>. Consulta: 16 agost 2022
  25. ↑ Gidra, Lokesh; Boehm, Hans-J.; Fernandes, Joel «Utilizing the Linux Userfaultfd System Call in a Compaction Phase of a Garbage Collection Process». Defensive Publications Series, 12-10-2020.
  26. ↑ 26,0 26,1 26,2 «Android 13 is in AOSP!» (en anglès). Android Developers Blog. [Consulta: 16 agost 2022].
  27. ↑ Gidra, Lokesh, What's new in app performance, <https://www.youtube.com/watch?v=DYdHLqLVspY>. Consulta: 16 agost 2022
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