Retrieve location information from cell site towers

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Import the following classes:
- javax.microedition.location.LocationProvider
- javax.microedition.location.Criteria
Create an instance of a Criteria object.
```
Criteria criteria = new Criteria();
```
Invoke criteria.setHorizontalAccuracy(NO_REQUIREMENT) to specify that longitudinal accuracy is not required.
Invoke criteria.setVerticalAccuracy(NO_REQUIREMENT) to specify that latitudinal accuracy is not required.
Invoke criteria.setCostAllowed(true) to specify that this mode can incur costs for the BlackBerry® device user.
Invoke setPreferredPowerConsumption(POWER_USAGE_LOW) to specify that power consumption is low.
Invoke LocationProvider.getInstance(), storing the returned object in a LocationProvider object.
```
LocationProvider provider = LocationProvider.getInstance(criteria);
```

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