diff options
author | Mark Vandevoorde <mtv@google.com> | 2010-05-21 15:43:26 -0700 |
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committer | Mark Vandevoorde <mtv@google.com> | 2010-05-21 15:43:26 -0700 |
commit | 01ac80b715881db22bde8b31633dd8a4dc375389 (patch) | |
tree | 2a49fc9e6ff824f729f64bdacb3b48835d99e367 /location/java | |
parent | 11c6847d5960edeb0f15d0fd34045c89bd302d41 (diff) | |
download | frameworks_base-01ac80b715881db22bde8b31633dd8a4dc375389.zip frameworks_base-01ac80b715881db22bde8b31633dd8a4dc375389.tar.gz frameworks_base-01ac80b715881db22bde8b31633dd8a4dc375389.tar.bz2 |
Add Geocorder.isImplemented()
The Geocorder interface is not part of the Android core. It
requires a backend service which may or may not be available
on a device. The new isImplemented static method allows
apps to discover whether the Geocorder is in fact available
on the device.
Change-Id: I2b5cf7bcc9cce4766bcbb156e91edf34b01f9296
Diffstat (limited to 'location/java')
-rw-r--r-- | location/java/android/location/Geocoder.java | 21 | ||||
-rw-r--r-- | location/java/android/location/ILocationManager.aidl | 1 |
2 files changed, 21 insertions, 1 deletions
diff --git a/location/java/android/location/Geocoder.java b/location/java/android/location/Geocoder.java index c325b1b..546bb9d 100644 --- a/location/java/android/location/Geocoder.java +++ b/location/java/android/location/Geocoder.java @@ -40,7 +40,9 @@ import java.util.List; * * The Geocoder class requires a backend service that is not included in * the core android framework. The Geocoder query methods will return an - * empty list if there no backend service in the platform. + * empty list if there no backend service in the platform. Use the + * isImplemented() method to determine whether a Geocoder implementation + * exists. */ public final class Geocoder { private static final String TAG = "Geocoder"; @@ -49,6 +51,23 @@ public final class Geocoder { private ILocationManager mService; /** + * Returns true if the Geocoder methods getFromLocation and + * getFromLocationName are implemented. Lack of network + * connectivity may still cause these methods to return null or + * empty lists. + */ + public static Boolean isImplemented() { + IBinder b = ServiceManager.getService(Context.LOCATION_SERVICE); + ILocationManager lm = ILocationManager.Stub.asInterface(b); + try { + return lm.geocoderIsImplemented(); + } catch (RemoteException e) { + Log.e(TAG, "isImplemented: got RemoteException", e); + return false; + } + } + + /** * Constructs a Geocoder whose responses will be localized for the * given Locale. * diff --git a/location/java/android/location/ILocationManager.aidl b/location/java/android/location/ILocationManager.aidl index a86f329..32d4b27 100644 --- a/location/java/android/location/ILocationManager.aidl +++ b/location/java/android/location/ILocationManager.aidl @@ -67,6 +67,7 @@ interface ILocationManager // it need not be shared with other providers. void reportLocation(in Location location, boolean passive); + boolean geocoderIsImplemented(); String getFromLocation(double latitude, double longitude, int maxResults, in GeocoderParams params, out List<Address> addrs); String getFromLocationName(String locationName, |