Android 6.0 method to obtain GPS positioning and obtain location permissions and location information

<uses-permission android:name= ".ACCESS_FINE_LOCATION"/>

private static final int BAIDU_READ_PHONE_STATE = 100;//Location permission requestprivate static final int PRIVATE_CODE = 1315;//OpenGPSPermissions

/**
  * Check whether GPS and location permissions are enabled
  */
public void showGPSContacts() {
 lm = (LocationManager) (this.LOCATION_SERVICE);
 boolean ok = (LocationManager.GPS_PROVIDER);
 if (ok) {//Location service has been opened  if (.SDK_INT >= 23) { //Distinguish whether it is the Android 6.0 system version. If so, you need to add permissions dynamically   if ((this, .ACCESS_FINE_LOCATION)
     != PERMISSION_GRANTED) {// No permission, apply for permission.    (this, LOCATIONGPS,
      BAIDU_READ_PHONE_STATE);
   } else {
    getLocation();//getLocation is the location method   }
  } else {
   getLocation();//getLocation is the location method  }
 } else {
  (this, "The system detects that the GPS location service is not enabled, please enable it", Toast.LENGTH_SHORT).show();
  Intent intent = new Intent();
  (Settings.ACTION_LOCATION_SOURCE_SETTINGS);
  startActivityForResult(intent, PRIVATE_CODE);
 }
}

/**
  * Get the latitude and longitude of the specific location
  */
private void getLocation() {
 // Obtain location management services LocationManager locationManager;
 String serviceName = Context.LOCATION_SERVICE;
 locationManager = (LocationManager) (serviceName);
 // Find service information Criteria criteria = new Criteria();
 (Criteria.ACCURACY_FINE); // High precision (false);
 (false);
 (true);
 (Criteria.POWER_LOW); // Low power consumption String provider = (criteria, true); // Get GPS information /**This code does not require any further investigation. It is automatically generated by (provider). If you do not add it, you will get an error**/
 if ((this, .ACCESS_FINE_LOCATION) != PERMISSION_GRANTED && (this, .ACCESS_COARSE_LOCATION) != PERMISSION_GRANTED) {
  // TODO: Consider calling
  // ActivityCompat#requestPermissions
  // here to request the missing permissions, and then overriding
  // public void onRequestPermissionsResult(int requestCode, String[] permissions,
  //           int[] grantResults)
  // to handle the case where the user grants the permission. See the documentation
  // for ActivityCompat#requestPermissions for more details.
  return;
 }
 Location location = (provider); // Get location via GPS updateLocation(location);
}

/**
  * Get the latitude and longitude of the current location
  * @param location
  */
private void updateLocation(Location location) {
 if (location != null) {
  double latitude = ();
  double longitude = ();
  ("Dimension:" + latitude + "\nLongitude" + longitude);
 } else {
  ("Cannot obtain location information");
 }
}
/**
  * Callback method for Android 6.0 to apply for permissions
  */
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
 (requestCode, permissions, grantResults);
 switch (requestCode) {
  // requestCode is the declared permission obtaining code, which is passed in when checkSelfPermission  case BAIDU_READ_PHONE_STATE:
   //If the user cancels, permissions may be null.   if (grantResults[0] == PERMISSION_GRANTED &&  > 0) { //Available for permission    // Obtain permissions and handle them accordingly    getLocation();
   } else {
    showGPSContacts();
   }
   break;
  default:
   break;
 }
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 (requestCode, resultCode, data);
 switch (requestCode) {
  case PRIVATE_CODE:
    showContacts();
   break;

 }
}

static final String[] LOCATIONGPS = new String[]{.ACCESS_COARSE_LOCATION, 
  .ACCESS_FINE_LOCATION, 
  .READ_PHONE_STATE};