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Add null check when restart batteryinfo loader

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Even though we unregister contentObserver in onPause and register
in onResume, callback still be called while fragment is detached.

Anyhow add a null check in settings to stop crash

Fixes: 131905853
Test: RunSettingsRoboTests
Change-Id: I8c0c2c04c3b8d942e0c97cf71a7d3e735a24b467
This commit is contained in:
Lei Yu
2019-05-08 11:12:55 -07:00
parent 65a258e2a2
commit b47b99ed38
2 changed files with 15 additions and 0 deletions
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3
src/com/android/settings/fuelgauge/PowerUsageSummary.java
View File

@@ -378,6 +378,9 @@ public class PowerUsageSummary extends PowerUsageBase implements OnLongClickList
@VisibleForTesting
void restartBatteryInfoLoader() {
if (getContext() == null) {
return;
}
getLoaderManager().restartLoader(BATTERY_INFO_LOADER, Bundle.EMPTY,
mBatteryInfoLoaderCallbacks);
if (mPowerFeatureProvider.isEstimateDebugEnabled()) {

12
tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java
View File

@@ -15,6 +15,7 @@
*/
package com.android.settings.fuelgauge;
import static com.android.settings.fuelgauge.PowerUsageSummary.BATTERY_INFO_LOADER;
import static com.android.settings.fuelgauge.PowerUsageSummary.MENU_ADVANCED_BATTERY;
import static com.google.common.truth.Truth.assertThat;
@@ -373,6 +374,17 @@ public class PowerUsageSummaryTest {
mFragment.mSettingsObserver);
}
@Test
public void restartBatteryInfoLoader_contextNull_doNothing() {
when(mFragment.getContext()).thenReturn(null);
when(mFragment.getLoaderManager()).thenReturn(mLoaderManager);
mFragment.restartBatteryInfoLoader();
verify(mLoaderManager, never()).restartLoader(BATTERY_INFO_LOADER, Bundle.EMPTY,
mFragment.mBatteryInfoLoaderCallbacks);
}
public static class TestFragment extends PowerUsageSummary {
private Context mContext;