在從工作配置文件配置的設備設置應用中將操作系統從Android 9升級到10后，請停止運行。

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.applications.InstalledAppDetailsTop}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.ComponentInfo android.content.pm.ResolveInfo.getComponentInfo()' on a null object reference

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270)

at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)

at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)

at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)

at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)

at android.os.Handler.dispatchMessage(Handler.java:107)

at android.os.Looper.loop(Looper.java:214)

at android.app.ActivityThread.main(ActivityThread.java:7356)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.pm.ComponentInfo android.content.pm.ResolveInfo.getComponentInfo()' on a null object reference

at android.app.role.RoleControllerManager.getRemoteServiceComponentName(RoleControllerManager.java:115)

at android.app.role.RoleControllerManager.(RoleControllerManager.java:106)

at android.app.SystemServiceRegistry$114.createService(SystemServiceRegistry.java:1268)

at android.app.SystemServiceRegistry$114.createService(SystemServiceRegistry.java:1264)

at android.app.SystemServiceRegistry$CachedServiceFetcher.getService(SystemServiceRegistry.java:1390)

at android.app.SystemServiceRegistry.getSystemService(SystemServiceRegistry.java:1306)

at android.app.ContextImpl.getSystemService(ContextImpl.java:1805)

at android.view.ContextThemeWrapper.getSystemService(ContextThemeWrapper.java:188)

at android.app.Activity.getSystemService(Activity.java:6646)

at android.content.Context.getSystemService(Context.java:3452)

at com.android.settings.applications.appinfo.DefaultAppShortcutPreferenceControllerBase.(DefaultAppShortcutPreferenceControllerBase.java:62)

at com.android.settings.applications.appinfo.DefaultHomeShortcutPreferenceController.(DefaultHomeShortcutPreferenceController.java:26)

at com.android.settings.applications.appinfo.AppInfoDashboardFragment.createPreferenceControllers(AppInfoDashboardFragment.java:272)

at com.android.settings.dashboard.DashboardFragment.onAttach(DashboardFragment.java:85)

at com.android.settings.applications.appinfo.AppInfoDashboardFragment.onAttach(AppInfoDashboardFragment.java:138)

at androidx.fragment.app.Fragment.performAttach(Fragment.java:2582)

at androidx.fragment.app.FragmentManagerImpl.moveToState(FragmentManagerImpl.java:821)

at androidx.fragment.app.FragmentTransition.addToFirstInLastOut(FragmentTransition.java:1197)

at androidx.fragment.app.FragmentTransition.calculateFragments(FragmentTransition.java:1080)

at androidx.fragment.app.FragmentTransition.startTransitions(FragmentTransition.java:119)

at androidx.fragment.app.FragmentManagerImpl.executeOpsTogether(FragmentManagerImpl.java:1853)

at androidx.fragment.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManagerImpl.java:1811)

at androidx.fragment.app.FragmentManagerImpl.execPendingActions(FragmentManagerImpl.java:1717)

at androidx.fragment.app.FragmentManagerImpl.executePendingTransactions(FragmentManagerImpl.java:183)

at com.android.settings.SettingsActivity.switchToFragment(SettingsActivity.java:567)

at com.android.settings.SettingsActivity.launchSettingFragment(SettingsActivity.java:360)

at com.android.settings.SettingsActivity.onCreate(SettingsActivity.java:268)

2019-10-28 16:30:48.372 17741-17741/? E/AndroidRuntime: at android.app.Activity.performCreate(Activity.java:7802)

at android.app.Activity.performCreate(Activity.java:7791)

at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1306)

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245)

... 11 more

根本原因表明com.android.permissioncontroller無法訪問

總結

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