Multiwindow support on Android Andrzej Wieczorek - eLinux.org

25 Pages·2014·5.73 MB·English

Multiwindow support
on Android
Andrzej Wieczorek Mikel Echegoyen

Tieto Product Development Services
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About us…
•  Andrzej Wieczorek
•  Business Development Manager
•  responsible for Android product creation and connectivity areas for
mobile and embedded devices
•  Mikel Echegoyen (@echegmik)
•  Business Development Director, Semiconductors
•  14 years in Mobile R&D on multiple roles from development to sales

•  Tieto Product Development Services
•  R&D in communications and embedded technologies
•  Part of Tieto, 14000 employees, headquarters in Finland  
•  More at www.tieto.com/pds

2
60 second demo
=
a thousand words
Déjà Vu, Much?
Cornerstone Rockchip Samsung
Omnirom Sony Multitasking Apps
and more…
4
Don’t reinvent the wheel…
rather inflate & add more!
Cornerstone Cornerstone Add float mode, Re-architect for
ICS (4.0/4.1) Port to 4.2.2 Settings, features KitKat 4.4

“It’s dead, Jim” “Running on latest” “Racing ready” “Get new tires!”
“came back to life!”
5
Multiwindow feature overview

Floating windows Docked windows
Docked
Windows Area
Home Screen
area
Focus, Move,
Resize, Close
Window
Move window
to Home
Windows Manager application
Screen area,
§  Show/hide/edit windows (e.g. resize)
Close
§  Move Window Manager (left, right)
§  Toggle floating/docked windows UX
§  Add new Window
§  Add new tab (group windows)
6
Feature comparison

Feature Tieto MW Cornerst. Rockchip Ixonos Samsung Sony
Basic features: open, close,
! ! ! ! ! !

move, resize, maximize, etc.
Advanced features: group
! " " ! " "
windows, swap
"
Docked windows UX ! ! ! ! "
Super window
Floating windows UX ! " ! ! " !
!
MultiInstance for Apps " " " " "
dedicated
"
CTS " ? ? ! !
Coming soon
OpenSource ! ! " " " "
Transparent for apps ! ! ! ? "Flag req. "

Android Version 4.2.2, 4.4 4.0, 4.1, 4,3 4.2.2 4.2.2 4.2+ 4.0+
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Architecture changes for multiwindow
Applications
Home Contacts Phone Browser ….
Application Framework
Activity Window View Location
Manager Manager Systems Manager
Package Telephony Content Resources Notification
Manager Manager Providers Manager Manager
Libraries Android Runtime
Linux Kernel
8
Multiple Activity stacks
Main Stack Cornerstone Panel Stack 1 Panel Stack2
(Home) Stack
Cornerstone
…
Activity stack
Main Stack Window Activity Stack Activity Stack
Activity Stack
(Home) Manager
Stack
Tieto
9
How it works
Multiwindow ActivityManagerService WindowManagerService
Application
Start activity §  Activities §  Window positions
Start activity Manage management management
Manage windows §  Stacks management §  Activity – window
§  Resume state relationship
§  Windows state
management
PhoneWindow
Relayout
Add decors for
swap, maximize,
close, resize
Manage windows
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