This article provides a code-intensive introductory tutorial to Personal information management (PIM) APIs, JSR 75.
Tutorial Details:
Managing Personal Information on Mobile Devices Using JSR 75
Personal information management (PIM) refers to the ability to manage in electronic form the kinds of personal data that broad classes of users want handy, such as appointment books, contact directories, and to-do lists. Having this information literally at your fingertips, wherever you go, is a strong motive to buy a mobile device. PIM data is often stored on the device in a native format, intended for access by applications the vendor provides. Some vendor-independent standards have been developed. The Internet Mail Consortium manages two that facilitate the electronic exchange of contact and calendar data with other PIM applications, and its transmission over the Internet: vCard, a business card format, and vCalendar, a scheduling-exchange format.
Until recently, developers of applications based on the Java 2 Platform, Micro Edition (J2ME) have found access to device-based PIM difficult, because the Connected Limited Device Configuration (CLDC) and the Mobile Information Device Profile (MIDP) do not themselves define APIs for easy access to native databases, or to data in the vCard and vCalendar formats. Now, however, JSR 75, the PDA Optional Packages for the J2ME Platform defines an API that gives J2ME devices that implement the specification access to native PIM data on devices, and to contact and scheduling data in the vCard and vCalendar formats.
This article provides a code-intensive introductory tutorial to the PIM APIs; it:
Introduces JSR 75
Describes the javax.microedition.pim optional package
Provides details about the PIM APIs
Offers a taste of the effort involved in using them
Provides code that you can adapt to the needs of your own wireless applications
The PDA Optional Packages for the J2ME Platform
JSR 75 defines two optional packages that extend and enhance CLDC to give J2ME developers access to important features commonly found on PDAs:
The FileConnection (FC) APIs give J2ME devices standardized access to file systems residing on mobile devices, primarily to allow access to removable storage media such as external memory cards. For a tutorial on this package, see the article \"Getting Started with the FileConnection APIs.\"
The Personal Information Management (PIM) APIs optional package gives J2ME devices access to personal data stored in device-native formats, and is the subject of this article.
Any device that supports CLDC 1.0 can support JSR 75, which means that the PIM APIs can be deployed on top of any J2ME profile that supports CLDC 1.0 or higher. Because the Connected Device Configuration (CDC) is a superset of CLDC, the PIM and FC optional packages can be deployed on both CLDC- and CDC-based devices. Note that both packages are optional, and that the two are independent of each other.
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Getting Started With the PIM APIs
This article provides a code-intensive introductory tutorial to Personal information management (PIM) APIs, JSR 75.
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