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Commit bfb3bdb9 authored by destradaa's avatar destradaa
Browse files

Update use of A-GPS modes in GpsLocationProvider 

b/20664846

This change reflects the documentation changes made in gps.h for the
upcoming Android release.

Change-Id: Id3e04492febdabd42e91a12e221d1192947b8061
parent edcaf7c9

services/core/java/com/android/server/location/GpsLocationProvider.java

+8 −3
Original line number Diff line number Diff line
@@ -952,13 +952,18 @@ public class GpsLocationProvider implements LocationProviderInterface { 
                    return GPS_POSITION_MODE_STANDALONE;

                }

            }

            // MS-Based is the preferred mode for Assisted-GPS position computation, so we favor

            // such mode when it is available

            if (hasCapability(GPS_CAPABILITY_MSB) && (suplMode & AGPS_SUPL_MODE_MSB) != 0) {

                return GPS_POSITION_MODE_MS_BASED;

            }

            // for now, just as the legacy code did, we fallback to MS-Assisted if it is available,

            // do fallback only for single-shot requests, because it is too expensive to do for

            // periodic requests as well

            if (singleShot

                    && hasCapability(GPS_CAPABILITY_MSA)

                    && (suplMode & AGPS_SUPL_MODE_MSA) != 0) {

                return GPS_POSITION_MODE_MS_ASSISTED;

            } else if (hasCapability(GPS_CAPABILITY_MSB)

                    && (suplMode & AGPS_SUPL_MODE_MSB) != 0) {

                return GPS_POSITION_MODE_MS_BASED;

            }

        }

        return GPS_POSITION_MODE_STANDALONE;