[G1 Android Development] testing567:
Android 1.5 Highlights

April 2009

The Android 1.5 platform introduces many new features for users and developers. The list below provides an overview of the changes.
User interface refinements

* System-wide:
o Refinement of all core UI elements
o Animated window transitions (off by default)
o Accelerometer-based application rotations
* UI polish for:
o In-call experience
o Contacts, Call log, and Favorites
o SMS & MMS
o Browser
o Gmail
o Calendar
o Email
o Camera & Gallery
o Application management

Performance improvements

* Faster Camera start-up and image capture
* Much faster acquisition of GPS location (powered by SUPL AGPS)
* Smoother page scrolling in Browser
* Speedier GMail conversation list scrolling

New features

* On-screen soft keyboard
o Works in both portrait and landscape orientation
o Support for user installation of 3rd party keyboards
o User dictionary for custom words
* Home screen
o Widgets
+ Bundled home screen widgets include: analog clock, calendar, music player, picture frame, and search
o Live folders
* Camera & Gallery
o Video recording
o Video playback (MPEG-4 & 3GP formats)
* Bluetooth
o Stereo Bluetooth support (A2DP and AVCRP profiles)
o Auto-pairing
o Improved handsfree experience
* Browser
o Updated with latest Webkit browser & Squirrelfish Javascript engines
o Copy 'n paste in browser
o Search within a page
o User-selectable text-encoding
o UI changes include:
+ Unified Go and Search box
+ Tabbed bookmarks/history/most-visited screen
* Contacts
o Shows user picture for Favorites
o Specific date/time stamp for events in call log
o One-touch access to a contact card from call log event
* System
o New Linux kernel (version 2.6.27)
o SD card filesystem auto-checking and repair
o SIM Application Toolkit 1.0
* Google applications
o View Google Talk friends' status in Contacts, SMS, MMS, GMail, and Email applications
o Batch actions such as archive, delete, and label on Gmail messages
o Upload videos to Youtube
o Upload photos on Picasa

New APIs and developer tools

* UI framework
o Framework for easier background/UI thread interaction
o New SlidingDrawer widget
o Horizontal ScrollView widget
* Home Screen framework
o APIs for creating secure home screen widgets
o APIs for populating live folders with custom content
* Media framework
o Raw audio recording and playback APIs
o Interactive MIDI playback engine
o Video recording APIs for developers (3GP format)
o Video and photo sharing Intents
o Media search Intent
* Input Method framework
o Text prediction engine
o Ability to provide downloadable IMEs to users
* Speech recognition framework
o Support for using speech recognition libraries via Intent
* Misc API additions
o LocationManager - Applications can get location change updates via Intent
o WebView - Touch start/end/move/cancel DOM event support
o SensorManager - redesigned sensor APIs
o GLSurfaceView - convenience framework for creating OpenGL applications
o Broadcast Intent for app update install succeeded - for smoother app upgrade experience
* Developer tools
o Support for multiple versions of Android in a single SDK installation
o Improved JUnit support in ADT
o Easier application performance profiling