Google Android 2.3 User Manual

Android basics 24
AUG-2.3-103 Android User’s Guide
Using a trackball
If your phone includes a trackball (or similar navigating device you can use to select
items on screen), you may find some actions are easier using it than using your finger,
such as:
G Opening an event in a crowded calendar
G Selecting a link or form field on a web page
G Selecting text to edit
Use the Trackball
S Roll the Trackball to select items on the screen.
The selected item is highlighted in orange.
S Pressing the Trackball is equivalent to touching the selected item with your
finger.
S Pressing & holding the Trackball is equivalent to touching & holding the selected
item with your finger, for opening context menus, starting apps, and so on.
Items that you select with the
Trackball are highlighted in orange.

Google Android 2.3 Specifications

General

Version	2.3
Codename	Gingerbread
Release Date	December 6, 2010
Kernel	Linux kernel 2.6.35
User Interface	Graphical (Multi-touch)
Supported architectures	ARM
Default user interface	Graphical (Multi-touch)
New Features	Near Field Communication (NFC) support, improved keyboard, copy/paste, improved power management
API Level	9
Preceded by	Android 2.2
Succeeded by	Android 3.0