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Fix NullPointerException when showEmptyChart

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Bug: 301880705
Fix: 301880705
Test: presubmit
Change-Id: I22a1df6b791396b398038c6bdb8e6b3ca37dc9e1
This commit is contained in:
Zaiyue Xue
2023-09-26 11:36:47 +08:00
parent 5d00a71a16
commit 6bf04986ac
2 changed files with 27 additions and 0 deletions
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4
src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceController.java
View File

@@ -327,6 +327,10 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
// Show empty hourly chart view only if there is no valid battery usage data.
void showEmptyChart() {
if (mDailyChartView == null || mHourlyChartView == null) {
// Chart views are not initialized.
return;
}
setChartSummaryVisible(true);
mDailyChartView.setVisibility(View.GONE);
mHourlyChartView.setVisibility(View.VISIBLE);

23
tests/robotests/src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceControllerTest.java
View File

@@ -334,6 +334,29 @@ public final class BatteryChartPreferenceControllerTest {
verify(mHourlyChartView).setVisibility(View.VISIBLE);
}
@Test
public void showEmptyChart_dailyChartViewIsNull_ignoreShowEmptyChart() {
mBatteryChartPreferenceController.mDailyChartView = null;
doReturn(View.GONE).when(mHourlyChartView).getVisibility();
mBatteryChartPreferenceController.showEmptyChart();
verify(mChartSummaryTextView, never()).setVisibility(View.VISIBLE);
verify(mDailyChartView, never()).setVisibility(View.GONE);
verify(mHourlyChartView, never()).setVisibility(View.VISIBLE);
}
@Test
public void showEmptyChart_hourlyChartViewIsNull_ignoreShowEmptyChart() {
mBatteryChartPreferenceController.mHourlyChartView = null;
mBatteryChartPreferenceController.showEmptyChart();
verify(mChartSummaryTextView, never()).setVisibility(View.VISIBLE);
verify(mDailyChartView, never()).setVisibility(View.GONE);
verify(mHourlyChartView, never()).setVisibility(View.VISIBLE);
}
@Test
public void refreshUi_dailyChartViewIsNull_ignoreRefresh() {
mBatteryChartPreferenceController.mDailyChartView = null;