Fix corner case IndexOutOfBound exception for null content

Bug: 184807417
Test: make SettingsRoboTests
Change-Id: Icf35b4084bcea62c2879a100d1b35b5448d8276d
This commit is contained in:
ykhung
2021-05-08 01:15:21 +08:00
parent 413893244d
commit bf5dd80d4f

View File

@@ -185,7 +185,7 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
private void setBatteryHistoryMapInner(
final Map<Long, Map<String, BatteryHistEntry>> batteryHistoryMap) {
// Resets all battery history data relative variables.
if (batteryHistoryMap == null) {
if (batteryHistoryMap == null || batteryHistoryMap.isEmpty()) {
mBatteryIndexedMap = null;
mBatteryHistoryKeys = null;
mBatteryHistoryLevels = null;