Location-Aware Applications

Appendix A. Java code examples referred to in chapter 2

The following listing is an example of the Java code required to fetch the handset location obtained via GPS for use within a Java application.

Listing A.1. Fetching a handset’s location from the inbuilt GPS receiver

Criteria cr = new Criteria();
cr.setPreferredPowerConsumption(Criteria.POWER_USAGE_LOW
cr.setAddressInfoRequired(false);
cr.setAltitudeRequired(false);
cr.setSpeedAndCourseRequired(false);
cr.setHorizontalAccuracy(Criteria.NO_REQUIREMENT);
cr.setVerticalAccuracy(Criteria.NO_REQUIREMENT);

//cr.setPreferredResponseTime(30);
locationProvider = LocationProvider.getInstance(cr);

The next listing is an example of the Java code required to fetch the handset location obtained via ...