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1GPSmanager gps = new GPSmanager(this);
2
3 if(gps.canGetLocation()){ // gps enabled} // return boolean true/false
4
5 gps.getLatitude(); // returns latitude
6 gps.getLongitude(); // returns longitude
7 Toast.makeText(getApplicationContext(), "Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();
8 }
9 else {
10 gps.showSettingsAlert();
11 }
12 skette = "1;"+"5;"+ rfid + ";" + kstand +";" + kstelle + ";" + purpose + ";" + login + ";" + IMEI + ";" + longitude+ ";" + latitude + ";";
13 lbook.execute(rfid,kstand,kstelle,purpose,login,skette,IMEI,longt,latt);

1public class GPSmanager extends Service implements LocationListener {
2
3 private final Context mContext;
4
5 // flag for GPS status
6 boolean isGPSEnabled = false;
7
8 // flag for network status
9 boolean isNetworkEnabled = false;
10
11 // flag for GPS status
12 boolean canGetLocation = false;
13
14 Location location; // location
15 double latitude; // latitude
16 double longitude; // longitude
17
18 // The minimum distance to change Updates in meters
19 private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters
20
21 // The minimum time between updates in milliseconds
22 private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute
23
24 // Declaring a Location Manager
25 protected LocationManager locationManager;
26
27 public GPSmanager(Context context) {
28 this.mContext = context;
29 getLocation();
30 }
31
32 public Location getLocation() {
33 try {
34 locationManager = (LocationManager) mContext
35 .getSystemService(LOCATION_SERVICE);
36
37 // getting GPS status
38 isGPSEnabled = locationManager
39 .isProviderEnabled(LocationManager.GPS_PROVIDER);
40
41 // getting network status
42 isNetworkEnabled = locationManager
43 .isProviderEnabled(LocationManager.NETWORK_PROVIDER);
44
45 if (!isGPSEnabled && !isNetworkEnabled) {
46 // no network provider is enabled
47 } else {
48 this.canGetLocation = true;
49 // First get location from Network Provider
50 if (isNetworkEnabled) {
51 locationManager.requestLocationUpdates(
52 LocationManager.NETWORK_PROVIDER,
53 MIN_TIME_BW_UPDATES,
54 MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
55 Log.d("Network", "Network");
56 if (locationManager != null) {
57 location = locationManager
58 .getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
59 if (location != null) {
60 latitude = location.getLatitude();
61 longitude = location.getLongitude();
62 }
63 }
64 }
65 // if GPS Enabled get lat/long using GPS Services
66 if (isGPSEnabled) {
67 if (location == null) {
68 locationManager.requestLocationUpdates(
69 LocationManager.GPS_PROVIDER,
70 MIN_TIME_BW_UPDATES,
71 MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
72 Log.d("GPS Enabled", "GPS Enabled");
73 if (locationManager != null) {
74 location = locationManager
75 .getLastKnownLocation(LocationManager.GPS_PROVIDER);
76 if (location != null) {
77 latitude = location.getLatitude();
78 longitude = location.getLongitude();
79 }
80 }
81 }
82 }
83 }
84
85 } catch (Exception e) {
86 e.printStackTrace();
87 }
88
89 return location;
90 }
91
92 /**
93 * Stop using GPS listener
94 * Calling this function will stop using GPS in your app
95 * */
96 public void stopUsingGPS(){
97 if(locationManager != null){
98 locationManager.removeUpdates(GPSmanager.this);
99 }
100 }
101
102 /**
103 * Function to get latitude
104 * */
105 public double getLatitude(){
106 if(location != null){
107 latitude = location.getLatitude();
108 }
109
110 // return latitude
111 return latitude;
112 }
113
114 /**
115 * Function to get longitude
116 * */
117 public double getLongitude(){
118 if(location != null){
119 longitude = location.getLongitude();
120 }
121
122 // return longitude
123 return longitude;
124 }
125
126 /**
127 * Function to check GPS/wifi enabled
128 * @return boolean
129 * */
130 public boolean canGetLocation() {
131 return this.canGetLocation;
132 }
133
134 /**
135 * Function to show settings alert dialog
136 * On pressing Settings button will lauch Settings Options
137 * */
138 public void showSettingsAlert(){
139 AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
140
141 // Setting Dialog Title
142 alertDialog.setTitle("GPS is settings");
143
144 // Setting Dialog Message
145 alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");
146
147 // On pressing Settings button
148 alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
149 public void onClick(DialogInterface dialog,int which) {
150 Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
151 mContext.startActivity(intent);
152 }
153 });
154
155 // on pressing cancel button
156 alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
157 public void onClick(DialogInterface dialog, int which) {
158 dialog.cancel();
159 }
160 });
161
162 // Showing Alert Message
163 alertDialog.show();
164 }
165 public void onLocationChanged(Location location) {
166 }
167
168 public void onProviderDisabled(String provider) {
169 }
170
171 public void onProviderEnabled(String provider) {
172 }
173
174 public void onStatusChanged(String provider, int status, Bundle extras) {
175 }
176
177 @Override
178 public IBinder onBind(Intent arg0) {
179 return null;
180 }
181
182}