これを試してください、これはGPSをチェックします。GPS が利用できる場合は、場所を取得します。それ以外の場合は、ネットワークから場所を見つけます。
あなたのクラスでこのクラスを呼び出します -handleGPS gps=new handleGPS();
public class handleGPS{
static GPSThread gpsThread;
public static double latitude=0;
public static double longitude=0;
public handleGPS(){
gpsThread = new GPSThread();
gpsThread.start();
}
private static class GPSThread extends Thread{
public void run() {
Criteria myCriteria = new Criteria();
myCriteria.setCostAllowed(false);
int m_bbHandle = CodeModuleManager.getModuleHandle("net_rim_bb_lbs");
if(m_bbHandle>0){
try {
int cellID = GPRSInfo.getCellInfo().getCellId();
int lac = GPRSInfo.getCellInfo().getLAC();
String urlString2 = "http://www.google.com/glm/mmap";
// Open a connection to Google Maps API
ConnectionFactory connFact = new ConnectionFactory();
ConnectionDescriptor connDesc;
connDesc = connFact.getConnection(urlString2);
HttpConnection httpConn2;
httpConn2 = (HttpConnection)connDesc.getConnection();
httpConn2.setRequestMethod("POST");
// Write some custom data to Google Maps API
OutputStream outputStream2 = httpConn2.openOutputStream();//getOutputStream();
WriteDataGoogleMaps(outputStream2, cellID, lac);
// Get the response
InputStream inputStream2 = httpConn2.openInputStream();//getInputStream();
DataInputStream dataInputStream2 = new DataInputStream(inputStream2);
// Interpret the response obtained
dataInputStream2.readShort();
dataInputStream2.readByte();
int code = dataInputStream2.readInt();
//Dialog.alert(code+"");
if (code == 0) {
latitude= dataInputStream2.readInt() / 1000000D;
longitude=dataInputStream2.readInt() / 1000000D;
//Dialog.alert(latitude+"-----"+longitude);
dataInputStream2.readInt();
dataInputStream2.readInt();
dataInputStream2.readUTF();
} else {
System.out.println("Error obtaining Cell Id ");
}
outputStream2.close();
inputStream2.close();
} catch (Exception e) {
System.out.println("Error: " + e.getMessage());
}
}
else{
try {
LocationProvider myLocationProvider = LocationProvider.getInstance(myCriteria);
try {
Location myLocation = myLocationProvider.getLocation(300);
latitude = myLocation.getQualifiedCoordinates().getLatitude();
longitude = myLocation.getQualifiedCoordinates().getLongitude();
if(latitude==0 && longitude==0){
try {
int cellID = GPRSInfo.getCellInfo().getCellId();
int lac = GPRSInfo.getCellInfo().getLAC();
String urlString2 = "http://www.google.com/glm/mmap";
// Open a connection to Google Maps API
ConnectionFactory connFact = new ConnectionFactory();
ConnectionDescriptor connDesc;
connDesc = connFact.getConnection(urlString2);
HttpConnection httpConn2;
httpConn2 = (HttpConnection)connDesc.getConnection();
httpConn2.setRequestMethod("POST");
// Write some custom data to Google Maps API
OutputStream outputStream2 = httpConn2.openOutputStream();//getOutputStream();
WriteDataGoogleMaps(outputStream2, cellID, lac);
// Get the response
InputStream inputStream2 = httpConn2.openInputStream();//getInputStream();
DataInputStream dataInputStream2 = new DataInputStream(inputStream2);
// Interpret the response obtained
dataInputStream2.readShort();
dataInputStream2.readByte();
int code = dataInputStream2.readInt();
//Dialog.alert(code+"");
if (code == 0) {
latitude= dataInputStream2.readInt() / 1000000D;
longitude=dataInputStream2.readInt() / 1000000D;
//Dialog.alert(latitude+"-----"+longitude);
dataInputStream2.readInt();
dataInputStream2.readInt();
dataInputStream2.readUTF();
} else {
System.out.println("Error obtaining Cell Id ");
}
outputStream2.close();
inputStream2.close();
} catch (Exception e) {
System.out.println("Error: " + e.getMessage());
}
}
}
catch ( InterruptedException iex ) {
return;
}
catch ( LocationException lex ) {
return;
}
}catch ( LocationException lex ) {
return;
}
}
return;
}
}
private static void WriteDataGoogleMaps(OutputStream out, int cellID, int lac)
throws IOException {
DataOutputStream dataOutputStream = new DataOutputStream(out);
dataOutputStream.writeShort(21);
dataOutputStream.writeLong(0);
dataOutputStream.writeUTF("en");
dataOutputStream.writeUTF("Android");
dataOutputStream.writeUTF("1.0");
dataOutputStream.writeUTF("Web");
dataOutputStream.writeByte(27);
dataOutputStream.writeInt(0);
dataOutputStream.writeInt(0);
dataOutputStream.writeInt(3);
dataOutputStream.writeUTF("");
dataOutputStream.writeInt(cellID);
dataOutputStream.writeInt(lac);
dataOutputStream.writeInt(0);
dataOutputStream.writeInt(0);
dataOutputStream.writeInt(0);
dataOutputStream.writeInt(0);
dataOutputStream.flush();
}
}