Introducing Android P Google I/O Extended Tokyo 2018

About Me ● Matthew Vern / Panini ● Twitter: @callipan Github: panpanini ● Mercari, Inc ● Android Engineer (US) ● Kotlin可愛い

About Me ● Matthew Vern / Panini ● Twitter: @callipan Github: panpanini ● Mercari, Inc ● Android Engineer (US) ● Kotlin可愛い ● [email protected]

Android P

Android P ● Developer Preview 1 ○ Released March 7 2018 ○ Initial preview, so not yet stable ○ Only available by manually flashing your device, or emulator ● Developer Preview 2 ○ Most likely released at Google I/O 2018 ○ More stable, will be available as OTA update

Features ● Display Cutout ● JobScheduler data cost ● Multi-camera ● Indoor Positioning ● Image Decoder ● HDR VP9 Video & HEIF ● Neural Networks 1.1 ● Notification improvements ● Rotation lock ● etc...

Display Cutout

Display cutout For devices like Essential Phone, or iPhone X which have a cutout in the display (for camera, etc).

Display cutout Tall Wide Narrow None

Display cutout ● Clock has moved ● Notifications only show on the left ● Limited space (Tall only shows 4)

Material Design 2

Notifications ● Images in messaging notifications

Notifications ● Images in messaging notifications ● Messaging notifications now take a Person object for sender instead of CharSequence

Activity transitions ● Transitions have a new animation ● Slide up without fadeout

App transitions ● Transitions have a new animation ● Slide in left/right

Gesture navigation ● Accidentally leaked by Google ● Looks similar to iPhone X navigation

Gesture navigation ● Another leak?!?

ImageDecoder

ImageDecoder ● More powerful than BitmapFactory ● Decode into Bitmap or Drawable ● setResize(width, height) ● setCrop(rect) ● OnHeaderDecodedListener

OnHeaderDecodedListener ● Callback when image header decoded ● Returns ImageInfo ○ getMimeType() ○ getSize() ○ isAnimated()

OnPartialImageListener ● Callback on failed decode ● error: Int ● Return false to not throw exception

PostProcessor ● Called after image decoded ○ int onPostProcess(Canvas canvas) ● Can use this to apply rounded corners etc ● Should return if the image is translucent ○ UNKNOWN - This process didn’t add translucent pixels ○ TRANSLUCENT - This process added translucent pixels ○ OPAQUE - This process made the entire image opaque ● Returning any other status code will result in IllegalArgumentException

ImageDecoder ● Support Library?

ImageDecoder ● Support Library? ● Uses Native code, so unlikely. ○ Can only use ImageDecoder on minSdkVersion 28

ImageDecoder ● Support Library? ● Uses Native code, so unlikely. ○ Can only use ImageDecoder on minSdkVersion 28 ●

Others

Multi-camera API ● Multiple cameras at the same time ● ~360 camera emulation? ● ???

Indoor positioning API ● Positioning using Wifi ● Requires hardware support (IEEE 802.11mc) ○ Both on device and access point (AP) ● Can use to triangulate location indoors

Android Things ● Finalized APIs ● Looks like it will get a 1.0 release this year

Android Things ● Finalized APIs ● Looks like it will get a 1.0 release this year ● 1.0 was released this morning ● https://android-developers.googleblog.com/2018/05/say-hello-to-android-thing s-10.html

Slice ● A slice is a piece of app content and actions that can be surfaced outside of the app. ● Similar to RemoteView ● For Google Assistant?

Flutter ● Many sessions for it announced now, so possibly something big ● ??? ● Flutter Meetup Tokyo #2 (5/31)

Flutter ● Many sessions for it announced now, so possibly something big ● Flutter Beta 3 announced this morning ● ??? ● Flutter Meetup Tokyo #2 (5/31)

Summary

Summary ● Developer Preview 2 release ● Display Cutout ● Material Design 2 ● Gesture Navigation ● ImageDecoder ● Slices (Google Assistant UI?)

Appendix ● https://developer.android.com/preview/features ● https://arstechnica.com/gadgets/2018/04/google-shows-off-android-ps-gesture -navigation-quickly-deletes-image/ ● https://blog.stylingandroid.com/category/imagedecoder/ ● https://blog.novoda.com/android-p-slices-missing-documentation-part-1/