Java APIs for

Bluetooth Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is li ...

Wireless Technology (JABWT) is a

J2ME Java Platform, Micro Edition or Java ME is a computing platform for development and deployment of porting, portable code for embedded system, embedded and mobile devices (micro-controllers, sensors, gateways, mobile phones, personal digita ...

specification for

API An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build ...

s that allows

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

MIDlets running on embedded devices such as mobile phones to use Bluetooth for short-range wireless communication. JABWT was developed as JSR-82 under the

Java Community Process The Java Community Process (JCP), established in 1998, is a formal mechanism that enables interested parties to develop standard technical specifications for Java technology. Becoming a member of the JCP requires solid knowledge of the Java program ...

. JSR 82 implementations for Java 2 Platform Standard Edition (J2SE) are also available.

Background

The original Java Specification Request (JSR-82) was submitted by

Motorola Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois. It was founded by brothers Paul and Joseph Galvin in 1928 and had been named Motorola since 1947. Many of Motorola's products had been ...

and

Sun Microsystems Sun Microsystems, Inc., often known as Sun for short, was an American technology company that existed from 1982 to 2010 which developed and sold computers, computer components, software, and information technology services. Sun contributed sig ...

, and approved by the Executive Committee for J2ME in September 2000. JSR-82 provided the first standardized Java API for Bluetooth protocols, allowing developers to write applications using Bluetooth that work on all devices conforming to the specification. The first version of JSR-82 was released in March 2002. The most recent update to JSR-82, Maintenance Draft Review 4, was released in March 2010. The specification, reference implementation, and

Technology Compatibility Kit A Technology Compatibility Kit (TCK) is a suite of tests that at least nominally checks a particular alleged implementation of a Java Specification Request (JSR) for compliance. It is one of the three required pieces for a ratified JSR in the Java C ...

(TCK) are maintained at Motorola Open Source.

Technologies and Usage

Discovery

JABWT provides support for discovery of nearby Bluetooth devices. Java applications can use the API to scan for discoverable devices, identify services provided by discovered devices, and search for devices that the device frequently contacts.

Object Exchange APIs

JABWT provides an object exchange API for transfer of data objects between devices. For example, two devices conforming to the OBEX protocol could exchange virtual business cards or calendar appointments.

Device Management

JABWT allows management of the local device’s state. JABWT applications are able to access information about the host device (such as Bluetooth address), mark their host device as discoverable to other Bluetooth devices, and register to provide services.

Security

JABWT supports connections with different levels of security. Applications using the APIs can pass parameters to the Connector.open() method indicating the level of security required to establish a connection to another device.

Compatible Devices

Hundreds of mobile devices from different manufacturers comply with the JSR-82 specification. Google maintains
list
of devices that conform to the JSR-82 specification.

Implementations

Several open-source implementations of the JSR-82 specification are available: * AvetanaBluetooth Implementation * BlueCove: Java Library for Bluetooth

References

{{reflist Bluetooth APIs Bluetooth APIs Bluetooth software