How to Enable New Location Dialog from Android Settings API

Enable a system location dialog ,asking user that app needs to find the current location This dialog is from Android Settings API. Check the source code below.


 

1.  public class LocationData implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
2. Context _context;
3. Location latKnowLocation;
4. static GoogleApiClient mGoogleApiClient;
5. LocationInterface loIn;
6. StartAct startAct;
7. PendingResult result;
8. //Location requests
9. LocationRequest locationRequest = LocationRequest.create()
10. .setInterval(10 * 60 * 1000) // every 10 minutes
11. .setExpirationDuration(10 * 1000) // After 10 seconds
12. .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
13. LocationSettingsRequest.Builder builder;
14. public LocationData(Context con) {
15. _context = con;
16. mGoogleApiClient = new GoogleApiClient.Builder(con.getApplicationContext())
17. .addConnectionCallbacks(this)
18. .addOnConnectionFailedListener(this)
19. .addApi(LocationServices.API)
20. .build();
21. mGoogleApiClient.connect();
22. //initialize the builder and add location request paramenter like HIGH Aurracy
23. builder = new LocationSettingsRequest.Builder()
24. .addLocationRequest(locationRequest);
25. // set builder to always true (Shows the dialog after never operation too)
26. builder.setAlwaysShow(true);
27. // Then check whether current location settings are satisfied:
28. result =
29. LocationServices.SettingsApi.checkLocationSettings(mGoogleApiClient, builder.build());
30. }
31. // call back for other class
32. public void callbacksResults()
33. {
34. // call backs for lcoation status
35. result.setResultCallback(new ResultCallback() {
36. @Override
37. public void onResult(LocationSettingsResult result) {
38. final Status status = result.getStatus();
39. final LocationSettingsStates state = result.getLocationSettingsStates();
40. switch (status.getStatusCode()) {
41. case LocationSettingsStatusCodes.SUCCESS:
42. // All location settings are satisfied. The client can initialize location
43. // requests here.
44. if(mGoogleApiClient.isConnected())
45. {
46. latKnowLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
47. }
48. break;
49. case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
50. // Location settings are not satisfied. But could be fixed by showing the user
51. // a dialog.
52. try {
53. status.startResolutionForResult((Activity) _context, Constants.REQUEST_CHECK_SETTINGS);
54. } catch (IntentSender.SendIntentException e) {
55. e.printStackTrace();
56. }
57. break;
58. case LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE:
59. // Location settings are not satisfied. However, we have no way to fix the
60. // settings so we won't show the dialog.
61. break;
62. }
63. }
64. });
65. }
66. // call back for other class
67. public void callbacksResultsSplash()
68. {
69. // call backs for lcoation status
70. result.setResultCallback(new ResultCallback() {
71. @Override
72. public void onResult(LocationSettingsResult result) {
73. final Status status = result.getStatus();
74. final LocationSettingsStates state = result.getLocationSettingsStates();
75. switch (status.getStatusCode()) {
76. case LocationSettingsStatusCodes.SUCCESS:
77. .......

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