Merge pull request #1230 from elican-doenyas/bugfix/ISSUE-1221-update-bg-scan-periods

ISSUE#1221: Use correct scanning parameters for bg scan

Author: davidgyoung

lib/src/main/java/org/altbeacon/beacon/BeaconManager.java

@@ -255,7 +255,7 @@ private void applySettingsChange(AppliedSettings newSettings) {
         BeaconManager.setDistanceModelUpdateUrl(Objects.requireNonNull(settings.getDistanceModelUpdateUrl()));
 
         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-            if (settings.getScanPeriods().getBackgroundScanPeriodMillis() < 15*60*1000 /* 15 min */ &&
+            if (settings.getScanPeriods().getBackgroundBetweenScanPeriodMillis() < 15*60*1000 /* 15 min */ &&
                     settings.getScanStrategy() instanceof Settings.JobServiceScanStrategy) {
                 LogManager.w(TAG, "Setting a short backgroundBetweenScanPeriod has no effect on "+
                         "Android 8+, which is limited to scanning every ~15 minutes");
@@ -275,7 +275,7 @@ private void applySettingsChange(AppliedSettings newSettings) {
         BeaconManager.setDebug(Boolean.TRUE.equals(settings.getDebug()));
         Settings.ScanPeriods sp = settings.getScanPeriods();
         if (sp != null) {
-            setBackgroundBetweenScanPeriod(sp.getBackgroundScanPeriodMillis());
+            setBackgroundBetweenScanPeriod(sp.getBackgroundBetweenScanPeriodMillis());
             setBackgroundScanPeriod(sp.getBackgroundScanPeriodMillis());
             setForegroundBetweenScanPeriod(sp.getForegroundBetweenScanPeriodMillis());
             setForegroundScanPeriod(sp.getForegroundScanPeriodMillis());

lib/src/main/java/org/altbeacon/beacon/Settings.kt

@@ -207,7 +207,7 @@ data class Settings(
         val foregroundScanPeriodMillis: Long = 1100,
         val foregroundBetweenScanPeriodMillis: Long  = 0,
         val backgroundScanPeriodMillis: Long  = 30000,
-        val backgroundBetweenScanPeriodMillis: Long  = 0
+        val backgroundBetweenScanPeriodMillis: Long  = 300000
     )
     interface ScanStrategy: Comparable<ScanStrategy> {
         fun clone(): ScanStrategy