Android 2.3 User Manual

Page of 380
Settings
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AUG-2.3-103
Android User’s Guide
Applications settings
You use the Applications settings to view details about the applications installed on 
your phone, to manage their data, to force them to stop if they misbehave, and to set 
whether you want to permit installation of applications that you obtain from web sites 
and email.
Applications settings screen
Unknown sources 
Check to permit installation of applications that you obtain 
from web sites, email, or other locations other than Android Market.
Warning!
To protect your phone and personal data, download applications only from trusted 
sources, such as Android Market.
Manage applications 
Opens a list of all the applications and other software 
installed on your phone, along with their sizes and tools for managing them. See 
“Managing how applications use memory” on page 48.
Running services 
Opens a list of applications, processes, and services, services 
that are currently running or are cached. See “Managing how applications use 
memory” on page 48
.Storage use
Storage use 
Opens a list of all applications on your phone with information about 
Battery use 
Opens a list of the applications that have used battery power since 
you last charged your phone. See “Optimizing battery life” on page 46. 
Development 
Development screen
The Development screen contains settings that are useful for developing Android 
applications. For full information, including documentation of the Android APIs and 
development tools, see the Android developer web site (http://developer.android.com).
USB debugging 
Check to permit debugging tools on a computer to 
communicate with your phone via a USB connection.
Stay awake 
Check to prevent the screen from dimming and locking when the 
phone is connected to a charger or to a USB device that provides power. Don’t use this 
setting with a static image on the phone for long periods of time, or the screen may be 
marked with that image.