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Add tiebreak rules for bar chart permissions.

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If multiple permissions have been used by the same number of apps, we
apply a stable tiebreak so we can be consistent in different places.
We prefer location, then microphone, then camera, and everything else
is alphabetical.

Test: View chart with ties.
Test: atest PermissionBarChartPreferenceControllerTest
Change-Id: I035ac19391788cc720e1c832bf8bd5a60d31e8ad
This commit is contained in:
Joel Galenson
2019-03-27 10:19:27 -07:00
parent 2585d27573
commit 2512aa1ed6
2 changed files with 57 additions and 2 deletions
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28
src/com/android/settings/privacy/PermissionBarChartPreferenceController.java
View File

@@ -16,6 +16,10 @@
package com.android.settings.privacy;
import static android.Manifest.permission_group.CAMERA;
import static android.Manifest.permission_group.LOCATION;
import static android.Manifest.permission_group.MICROPHONE;
import static com.android.settingslib.widget.BarChartPreference.MAXIMUM_BAR_VIEWS;
import static java.util.concurrent.TimeUnit.DAYS;
@@ -131,8 +135,28 @@ public class PermissionBarChartPreferenceController extends BasePreferenceContro
@Override
public void onPermissionUsageResult(@NonNull List<RuntimePermissionUsageInfo> usageInfos) {
usageInfos.sort(Comparator.comparingInt(
RuntimePermissionUsageInfo::getAppAccessCount).reversed());
usageInfos.sort((x, y) -> {
int usageDiff = y.getAppAccessCount() - x.getAppAccessCount();
if (usageDiff != 0) {
return usageDiff;
}
String xName = x.getName();
String yName = y.getName();
if (xName.equals(LOCATION)) {
return -1;
} else if (yName.equals(LOCATION)) {
return 1;
} else if (xName.equals(MICROPHONE)) {
return -1;
} else if (yName.equals(MICROPHONE)) {
return 1;
} else if (xName.equals(CAMERA)) {
return -1;
} else if (yName.equals(CAMERA)) {
return 1;
}
return x.getName().compareTo(y.getName());
});
// If the result is different, we need to update bar views.
if (!areSamePermissionGroups(usageInfos)) {