Chapter 8    Using Packages

This chapter covers the following topics.

• Overview

• Packages Usage Example

  • Exported Package Example

  • Imported Package Example

  • Locally Defined Imported Class Method Example

• Exported and Imported Packages

  • Exported Package Overview

  • Imported Package Overview

  • Environmental Objects

  • Locales

  • Timer, Notification, and Control Event Methods

  • Extracting and Loading Package Schemas

• Exporting a Package Using the Export Package Definition Wizard

  • Using the Packages Menu for Exported Packages

  • Using the Export Package Definition Wizard to Define a Package

  • Changing a Package by Using the Export Package Definition Wizard

  • Browsing and Maintaining an Exported Package

  • Displaying References to an Exported Package

• Importing a Package

  • Using the Packages Menu for Imported Packages

  • Adding an Imported Package to Your Schema

  • Changing an Imported Package

  • Browsing and Maintaining an Imported Package

• Stub Packages

• Extracting a Package

• Removing a Package

• Switching Application Contexts When Invoking a Method

• Calling User Methods from Packages

  • Package Callback Examples

• Summary of Restrictions when Using Packages