Retrieve location information from the GPS receiver on a BlackBerry device
- Import the following classes:
- javax.microedition.location.LocationProvider
- javax.microedition.location.Criteria
- Create an instance of a Criteria object.
Criteria criteria = new Criteria();
- Complete one of the following tasks to get location information using the GPS receiver on a BlackBerry device:
Task
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Steps
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Specify a level of accuracy, with no cost and no power consumption.
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- Invoke criteria.setHorizontalAccuracy(int accuracy) using an integer value that represents the accuracy, in meters.
- Invoke criteria.setVerticalAccuracy(int accuracy) using an integer value that represents the accuracy, in meters.
- Invoke criteria.setCostAllowed(false).
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Specify a level of accuracy, with cost and variable power consumption.
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- Invoke criteria.setHorizontalAccuracy(int accuracy) using an integer value that represents the accuracy, in meters.
- Invoke criteria.setVerticalAccuracy(int accuracy) using an integer value that represents the accuracy, in meters.
- Invoke criteria.setCostAllowed(true).
- Invoke criteria.setPreferredPowerConsumption(int level) using either POWER_USAGE_LOW, POWER_USAGE_MEDIUM, or NO_REQUIREMENT as the parameter.
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Specify a level of accuracy, with no cost and variable power consumption.
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- Invoke criteria.setHorizontalAccuracy(NO_REQUIREMENT).
- Invoke criteria.setVerticalAccuracy(NO_REQUIREMENT).
- Invoke criteria.setCostAllowed(false).
- Invoke criteria.setPreferredPowerConsumption(int level) using either POWER_USAGE_MEDIUM, POWER_USAGE_HIGH, or NO_REQUIREMENT as the parameter.
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- Invoke LocationProvider.getInstance() and store the returned object in a LocationProvider object.
LocationProvider provider = LocationProvider.getInstance(criteria);
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