This document provides a development guide for BlackBerry Java Application Core version 5.0, including topics such as application management, data storage, connection creation, and control API.
The guide explains how to manage BlackBerry Java applications, retrieve application information, and interact with the Application Manager. It also covers data storage options, including file system access and microSD card handling.
Additional sections describe creating network connections, using control APIs, requesting code signing, testing on simulators or devices, packaging and publishing .cod/.jad files, localization, custom user authentication, and provides references to related resources. This manual is written in Chinese.
Call ApplicationManager.getVisibleApplications() and use ApplicationDescriptor methods to get details such as the app name.
Use ApplicationPermissionsManager.invokePermissionsRequest with the required permissions, then handle the user’s response.
Use the file system APIs to read and write files on the microSD media card.