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Android Pie - Wikipedia

Ninth main model of the Android cell working system

Android Pie (codenamed Android P throughout growth) is the ninth main launch and the sixteenth model of the Android cell working system. It was first launched as a developer preview on March 7, 2018, and was launched publicly on August 6, 2018.

On August 6, 2018, Google formally introduced the ultimate launch of Android 9 below the title “Pie“, with the replace initially obtainable for present Google Pixel gadgets, and releases for Android One gadgets and others to comply with “later this year”. The Essential Phone was the primary third-celebration Android machine to obtain an replace to Pie, notably coming day-and-date with its closing launch.[3][4] The Sony Xperia XZ3 was the primary machine with Android Pie pre-put in.[5]

As of August 2021, 15.19% of Android gadgets run Pie (API 28), making it the third most used model of Android.[6]


Android Pie, then known as “Android P”, was first introduced by Google on March 7, 2018,[7] and the primary developer preview was launched on the identical day.[8] The second preview, thought of beta high quality, was launched on May 8, 2018.[9] The third preview, known as Beta 2, was launched on June 6, 2018.[10] The fourth preview, known as Beta 3, was launched on July 2, 2018.[11] The closing beta of Android P was launched on July 25, 2018.[12]

Custom distributions[edit]

There are, as of August 2019, a handful of notable customized Android distributions (ROMs) of 9.0 Pie.


User expertise[edit]

Android Pie makes use of a refresh of Google’s “materials design” language, unofficially known as “Material Design 2.0”. The revamp gives extra variance in aesthetics, encouraging the creation of customized “themes” for the bottom pointers and parts moderately than a standardized look. Bottom-aligned navigation bars are additionally extra outstanding. As utilized to Android Pie’s interface, rounded corners (influenced by the proprietary Google theme utilized by in-home software program implementing Material Design 2.0) are extra outstanding.[13] In addition, Pie accommodates official help for display cutouts (“notches”), together with APIs and system behaviors relying on their dimension and place. Android certification necessities limit gadgets to 2 cutouts, which can solely be alongside the highest or backside of the display.[13]

The most important consumer interface change on Pie is a redesigned on-display navigation bar. Unlike earlier variations of Android, it solely consists of a slim dwelling button, and a again button rendered solely when obtainable. The bar makes use of gesture navigation: swiping up opens the “Overview” display, a redesign of the present current apps menu. Swiping the deal with to the appropriate prompts utility switching. The gesture bar is used totally on new gadgets such because the Pixel 3; present gadgets might both use the earlier navigation key setup or supply the power to choose into gesture navigation.[14] As against the earlier current apps menu, Overview makes use of a horizontal format moderately than vertical, and textual content can also be chosen and copied from apps showing there (though this makes use of OCR moderately than the native textual content as to preserve assets). The Pixel Launcher solely helps the power to entry the app drawer and most just lately used apps from the overview as effectively. However, this integration is proprietary, as there aren’t any present plans to supply the mandatory integration to 3rd-celebration software program resulting from safety considerations.[13] In addition, when rotation lock is enabled, rotating the machine causes a display rotation button to look on the navigation bar.[13]

The notification space was redesigned, with the clock moved to the left, and the variety of icons which may be displayed directly restricted to 4, in an effort to accommodate shows which will have “notch” cutouts within the heart.[14] The drop-down panels hooked up to fast settings gadgets have been eliminated; lengthy-urgent a toggle directs customers to the related settings display. Notifications for chats can now be threaded, displaying earlier messages inside (complementing the present inline reply performance). If a selected sort of notification is ceaselessly dismissed, the consumer will now be supplied to disable it.[13] The Do Not Disturb mode has been overhauled with a bigger array of settings.[13]

The energy menu now accommodates a screenshot button (which itself now helps cropping a picture after taking one), and an elective “lockdown” mode that disables biometric unlock strategies.[14] The quantity pop-up now solely controls media quantity, in addition to the selection of sound, vibrate, or silent modes for notifications. Users are directed to the settings menu to alter the amount of notifications.[14][15][16] A magnifier show has been added to textual content choice, and “smart linkify” provides entry to related apps if specific sorts of textual content (corresponding to telephone numbers or addresses) are highlighted.[13]


Android Pie introduces a serious change to energy administration, utilizing algorithms to prioritize background exercise by apps based mostly on lengthy-time period utilization patterns and predictions, dividing apps into “Active”, “Working Set” (run typically), “Frequent”, “Rare”, and “Never”. Similar “adaptive brightness” settings are adjusted routinely based mostly on detected lighting circumstances. Both of those options had been developed in collaboration with DeepMind.[13]

The “PrecomputedText” API (additionally obtainable as a compatibility library appropriate with Android 4.0 and newer) can be utilized to carry out textual content show processing in a background thread versus a UI thread to enhance efficiency.[13]

The fingerprint authentication API has additionally been revamped to account for various kinds of biometric authentication experiences (together with face scanning and in-display fingerprint readers).[13]

Android Runtime can now create compressed bytecode recordsdata, and profiler knowledge will be uploaded to Google Play servers to be bundled with apps when downloaded by customers with an analogous machine.[13]

Apps concentrating on older Android API ranges (starting with Android 4.2) show a warning when launched. Google Play Store is now requiring all apps to focus on an API degree launched inside the previous yr, and also will mandate 64-bit help in 2019.[13]

Android Pie helps IEEE 802.11mc, together with Wi-Fi Round Trip Time for location positioning.[13]

The digicam API now helps accessing a number of cameras directly.[13] Apps might not carry out background audio or video recording except they run a foreground service.[13] There is help for the High Efficiency Image File Format (topic to patent licensing and {hardware} help) and VP9 Profile 2.[13]

DNS over TLS is supported below the identify “Private DNS”.[17]

Android Go for Android Pie makes use of much less storage than the earlier launch, and has enhancements to safety and storage monitoring.[18]


Shortly after its launch, a number of customers on Pixel gadgets and the Essential Phone famous a lower in battery life.[19] As Android Pie turned obtainable to extra telephones, some customers on numerous gadgets reported comparable comparisons.[20][21]

See additionally[edit]


  1. ^ “Android Source”. Google Git. Retrieved September 10, 2019.
  2. ^ “Android Security Bulletin—February 2021”. Android Open Source Project.
  3. ^ Welch, Chris (August 6, 2018). “The Essential Phone is being upgraded to Android 9 Pie on the same day as Google’s Pixels”. The Verge. Retrieved April 10, 2019.
  4. ^ Bohn, Dieter (August 6, 2018). “Android 9 Pie is available for Google Pixel phones today”. The Verge. Retrieved April 10, 2019.
  5. ^ “Sony Xperia XZ3 unveiled: Big, curved OLED display!”. GSMArena. Retrieved August 30, 2018.
  6. ^ “Mobile & Tablet Android Version Market Share Worldwide”. StatCounter Global Stats. Retrieved September 3, 2021.
  7. ^ El Khoury, Rita. “Google announces Android P: Notch support, multi-camera API, indoor positioning, and more”. Android Police. Illogical Robot LLC. Retrieved March 7, 2018.
  8. ^ Whitwam, Ryan. “Android P developer preview images and OTA files are now live, but no beta program yet”. Android Police. Illogical Robot LLC. Retrieved March 7, 2018.
  9. ^ Burke, Dave (May 8, 2018). “What’s new in Android P Beta”. Android Developers Blog. Retrieved August 17, 2018.
  10. ^ Burke, Dave (June 6, 2018). “Android P Beta 2 and final APIs!”. Android Developers Blog. Retrieved August 17, 2018.
  11. ^ Burke, Dave (July 2, 2018). “Android P Beta 3 is now available”. Android Developers Blog. Retrieved August 17, 2018.
  12. ^ Burke, Dave (July 25, 2018). “Final preview update, official Android P coming soon!”. Android Developers Blog. Retrieved August 16, 2018.
  13. ^ a b c d e f g h i j ok l m n o p Amadeo, Ron (September 13, 2018). “Android 9 Pie, thoroughly reviewed”. Ars Technica. Retrieved January 25, 2019.
  14. ^ a b c d Bohn, Dieter (August 16, 2018). “Android 9 Pie review: the predictive OS”. The Verge. Retrieved January 25, 2019.
  15. ^ Rahman, Mishaal (March 7, 2018). “Here’s Everything New in Android P Developer Preview 1 for the Google Pixel/XL and Pixel 2/XL”. XDA Developers. Retrieved March 8, 2018.
  16. ^ Welch, Chris (March 7, 2018). “The biggest early visual changes in Android P”. The Verge. Retrieved March 8, 2018.
  17. ^ Wallen, Jack. “How to enable DNS over TLS in Android Pie”. TechRepublic. Retrieved January 25, 2019.
  18. ^ Gartenberg, Chaim (August 15, 2018). “Android 9 Pie (Go edition) will make Android Go better this fall”. The Verge. Retrieved January 25, 2019.
  19. ^ Schoon, Ben (August 15, 2018). “Has your battery life been worse on Android 9 Pie? [Poll]”.
  20. ^ “Android Pie has a battery life problem”. November 1, 2018.
  21. ^ Siegal, Jacob (November 2, 2018). “Some users are experiencing terrible battery drain on Android Pie”.

External hyperlinks[edit]

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