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Managing
updates to applications can be tedious. The update framework for AdobeAIR applications provides
APIs that enable developers to provide robustupdate capabilities
in AIR applications. The AIR update framework performs the following
tasks for developers:
Periodically check for updates based on an interval or
when the user requests
Download AIR files (updates) from a web source
Alert the user on the first run of the newly installed version
Confirm that the user wants to check for updates
Display information on the new update version to the user
Display download progress and error information to the user
The AIR update framework supplies a sample user interface for
your application. It provides the user with basic information and
configuration options for application updates. Your application
can also define a custom user interface for use with the update
framework.
The AIR update framework lets you store information about the
update version of an AIR application in simple XML configuration
files. For most applications, setting up these configuration files
to include basic code provides a good update functionality to the
end user.
Even without using the update framework, Adobe AIR includes an
Updater class that AIR applications can use to upgrade to new versions.
The Updater class lets an application upgrade to a version contained
in an AIR file on the user’s computer. However, upgrade management
can involve more than simply having the application update based
on a locally stored AIR file.
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