Chaohui Wang b752c3d058 Make the default getTimeSpentInApp() return empty
Current ApplicationFeatureProvider.getTimeSpentInApp() defaults returns
null, in extreme case there is ACTION_APP_USAGE_SETTINGS handler on
device but getTimeSpentInApp() still returns null, may lead
AppTimeSpentPreference to crash.

Make it returns empty string instead to eliminate this extreme case.

Bug: 236346018
Test: Unit test & Manual with SpaActivity
Change-Id: I33b413ceb9bdf48e3902e02c91fab617fe297862
2022-10-19 15:57:50 +08:00
2022-04-14 09:55:36 +00:00
2022-10-18 19:32:27 +00:00
2019-11-25 20:28:35 +09:00
2022-06-24 05:58:57 +00:00
2022-10-06 09:10:38 -07:00
2022-10-13 17:21:08 +08:00
Description
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3.1 GiB
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Java 89.8%
Kotlin 10.2%