GPSd4Java Save

GPSd client library written in Java

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About GPSd4Java

GPSd4Java is a library to use data from the GPSd daemon in your Java applications. It provides a library to connect to gpsd and retrieve data using a socket connection.

Use GPSd4Java

You can use GPSd4Java with a Maven project. Just add the following lines to your pom.xml.


Getting Started

The main entrypoint to use GPSd4Java is the class GPSdEndpoint. You can create a new instance by providing the host and port of the gpsd daemon. Further you have to provide a ResultParser instance which parses all messages sent by the GPS device.

On the created endpoint you can then add listeners to handle incoming messages. This listener will receive the message on the appropriate method according to the message type. The most interesting messages are the TPVObjects as they contain the positional information provided by the GPS device.

To get the position you just have to call the getLatitude() and getLongitude() methods on the received TPVObject.

If all is set you activate the endpoint using the start() method.

If this succeeds you can either poll gpsd for new messages or you can enable the watch mode to receive new data on arrival.

Polling data

To poll single messages call the poll() method on the endpoint instance

Activating watch mode

To get all new messages call the watch(boolean, boolean) method. The first param defines if you want enable or disable the watch mode and the second defines if you want to receive messega details. So the default use case would be to call watch(true, true).

You should now receive incoming messages in your provided listener implementation.

Open Source Agenda is not affiliated with "GPSd4Java" Project. README Source: taimos/GPSd4Java
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