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Commit b2b44897 authored by Yingjie Wang's avatar Yingjie Wang Committed by Arne Coucheron
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Use SystemClock.elapsedRealtime() to calc TTFF 

SystemClock.elapsedRealtime() returns milliseconds since boot, and
is less vulnerable to system time issue.

Change-Id: I01c2c1205c4306c6d8ce62875ff1295001ed8491
CRs-fixed: 2015708
parent e8836cd0

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

+2 −2
Original line number Diff line number Diff line
@@ -1467,7 +1467,7 @@ public class GnssLocationProvider implements LocationProviderInterface { 


            // reset SV count to zero

            updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0);

            mFixRequestTime = System.currentTimeMillis();

            mFixRequestTime = SystemClock.elapsedRealtime(); //return milliseconds since boot

            if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) {

                // set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT

                // and our fix interval is not short
@@ -1565,7 +1565,7 @@ public class GnssLocationProvider implements LocationProviderInterface { 
            }

        }



        mLastFixTime = System.currentTimeMillis();

        mLastFixTime = SystemClock.elapsedRealtime(); //return milliseconds since boot

        // report time to first fix

        if (mTimeToFirstFix == 0 && (flags & LOCATION_HAS_LAT_LONG) == LOCATION_HAS_LAT_LONG) {

            mTimeToFirstFix = (int)(mLastFixTime - mFixRequestTime);