J2ME GPS定位JSR
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.location.*;
public class locationMidlet extends MIDlet implements CommandListener
{
Command Exit = new Command("Exit", Command.EXIT, 0);
public locationMidlet()
{
}
public void startApp()
{
Form f = new Form("请等等..");
f.append("正在获取位置信息");
f.addCommand(Exit);
f.setCommandListener(this);
Display.getDisplay(this).setCurrent(f);
try
{
Criteria c = new Criteria();//Criteria在JSR179包里,解压后在javax\microedition\location
c.setHorizontalAccuracy(1000);
c.setVerticalAccuracy(1000);
c.setPreferredPowerConsumption(Criteria.POWER_USAGE_LOW);
LocationProvider lp = LocationProvider.getInstance(c);
Location loc = lp.getLocation(60);
QualifiedCoordinates qc = loc.getQualifiedCoordinates();
f.append("Alt: " + qc.getAltitude());
f.append("Lat: " + qc.getLatitude());
f.append("Long: " + qc.getLongitude());
}
catch (Exception e)
{
f.append("Exception: " + e);
}
}
public void pauseApp()
{
}
public void destroyApp(boolean destroy)
{
}
public void commandAction(Command c, Displayable s)
{
if (c == Exit)
{
destroyApp(true);
notifyDestroyed();
}
}
}
本文出自 “技术人生” 博客,请务必保留此出处http://zhaohaiyang.blog.51cto.com/2056753/433027
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