伙计我正在尝试创建一个记录您的位置的应用程序＆＃39;使用位置类和服务类进行坐标，但它不起作用！
我不知道如何开始!!!
这是我的服务文件：
public class LocationService extends Service {
private static final long ONE_MIN = 1000 * 60;
private static final long TWO_MIN = ONE_MIN * 2;
private static final long FIVE_MIN = ONE_MIN * 5;
private static final long MEASURE_TIME = 1000 * 30;
private static final long POLLING_FREQ = 1000 * 10;
private static final float MIN_ACCURACY = 25.0f;
private static final float MIN_LAST_READ_ACCURACY = 500.0f;
private static final float MIN_DISTANCE = 10.0f;
private static final int NOTIFICATION_ID = 1;
// Current best location estimate
private Location mBestReading;
WIWDb db;
// Reference to the LocationManager and LocationListener
private LocationManager mLocationManager;
private LocationListener mLocationListener;
private final String TAG = "LocationGetLocationActivity";
private boolean mFirstUpdate = true;
@SuppressLint("NewApi") @Override
public void onCreate() {
super.onCreate();
Log.i(TAG,"here");
db=new WIWDb(this);
// Acquire reference to the LocationManager
if (null == (mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE)))
Toast.makeText(getBaseContext(), "Error", Toast.LENGTH_LONG).show();
// Get best last location measurement
mBestReading = bestLastKnownLocation(MIN_LAST_READ_ACCURACY, FIVE_MIN);
// Display last reading information
if (null != mBestReading) {
updateDisplay(mBestReading);
} else {
Toast.makeText(getBaseContext(),"No Initial Reading Available",Toast.LENGTH_LONG).show();
//mAccuracyView.setText("No Initial Reading Available");
}
mLocationListener = new LocationListener() {
// Called back when location changes
public void onLocationChanged(Location location) {
// Determine whether new location is better than current best
// estimate
if (null == mBestReading
|| location.getAccuracy() < mBestReading.getAccuracy()) {
// Update best estimate
mBestReading = location;
// Update display
updateDisplay(location);
if (mBestReading.getAccuracy() < MIN_ACCURACY)
mLocationManager.removeUpdates(mLocationListener);
}
}
public void onStatusChanged(String provider, int status,
Bundle extras) {
// NA
}
public void onProviderEnabled(String provider) {
// NA
}
public void onProviderDisabled(String provider) {
// NA
}
};
// Create a notification area notification so the user
// can get back to the MusicServiceClient
final Intent notificationIntent = new Intent(getApplicationContext(),
MainActivity.class);
final PendingIntent pendingIntent = PendingIntent.getActivity(this, 0,
notificationIntent, 0);
final Notification notification = new Notification.Builder(
getApplicationContext())
.setSmallIcon(android.R.drawable.ic_menu_compass)
.setOngoing(true).setContentTitle("Location tracking...")
.setContentText("Back to WIW")
.setContentIntent(pendingIntent).build();
// Put this Service in a foreground state, so it won't
// readily be killed by the system
startForeground(NOTIFICATION_ID, notification);
}
private Location bestLastKnownLocation(float minAccuracy, long maxAge) {
Location bestResult = null;
float bestAccuracy = Float.MAX_VALUE;
long bestAge = Long.MIN_VALUE;
List<String> matchingProviders = mLocationManager.getAllProviders();
for (String provider : matchingProviders) {
Location location = mLocationManager.getLastKnownLocation(provider);
if (location != null) {
float accuracy = location.getAccuracy();
long time = location.getTime();
if (accuracy < bestAccuracy) {
bestResult = location;
bestAccuracy = accuracy;
bestAge = time;
}
}
}
// Return best reading or null
if (bestAccuracy > minAccuracy
|| (System.currentTimeMillis() - bestAge) > maxAge) {
return null;
} else {
return bestResult;
}
}
@SuppressWarnings("deprecation")
private void updateDisplay(Location location) {
StringBuilder sb=new StringBuilder();
sb.append("Accuracy:" + location.getAccuracy());
//mAccuracyView.setText("Accuracy:" + location.getAccuracy());
sb.append("Time:"+ new SimpleDateFormat("MM/dd/yyyy HH:mm:ss", Locale.getDefault()).format(new Date(location.getTime())));
//mTimeView.setText("Time:"+ new SimpleDateFormat("MM/dd/yyyy HH:mm:ss", Locale.getDefault()).format(new Date(location.getTime())));
sb.append("Longitude:" + location.getLongitude());
//mLatView.setText("Longitude:" + location.getLongitude());
sb.append("Latitude:" + location.getLatitude());
//mLngView.setText("Latitude:" + location.getLatitude());
//db.insertCordsToDb(String.valueOf(location.getLongitude())+","+String.valueOf( location.getLatitude()),String.valueOf(new Date().getDate()) ,String.valueOf(location.getTime()));
db.insertCordsToDb(String.valueOf(location.getLongitude())+","+String.valueOf(lo cation.getLatitude()),new SimpleDateFormat("MM/dd/yyyy", Locale.getDefault()).format(new Date(location.getTime())) ,new SimpleDateFormat("HH:mm:ss", Locale.getDefault()).format(new Date(location.getTime())));
}
protected void onResume() {
// Determine whether initial reading is
// "good enough". If not, register for
// further location updates
if (null == mBestReading
|| mBestReading.getAccuracy() > MIN_LAST_READ_ACCURACY
|| mBestReading.getTime() < System.currentTimeMillis()
- TWO_MIN) {
// Register for network location updates
if (null != mLocationManager
.getProvider(LocationManager.NETWORK_PROVIDER)) {
mLocationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER, POLLING_FREQ,
MIN_DISTANCE, mLocationListener);
}
// Register for GPS location updates
if (null != mLocationManager
.getProvider(LocationManager.GPS_PROVIDER)) {
mLocationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, POLLING_FREQ,
MIN_DISTANCE, mLocationListener);
}
// Schedule a runnable to unregister location listeners
Executors.newScheduledThreadPool(1).schedule(new Runnable() {
@Override
public void run() {
Log.i(TAG, "location updates cancelled");
mLocationManager.removeUpdates(mLocationListener);
}
}, MEASURE_TIME, TimeUnit.MILLISECONDS);
}
}
// Unregister location listeners
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
}
请指导完成此申请