java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.SubSettings}: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.miui.securitycenter/com.miui.appmanager.AppManagerMainActivity}; have you declared this activity in your AndroidManifest.xml?
    at android.app.ActivityThread.performLaunchActivity(Unknown Source:621)
    at android.app.ActivityThread.handleLaunchActivity(Unknown Source:47)
    at android.app.servertransaction.LaunchActivityItem.execute(Unknown Source:63)
    at android.app.servertransaction.TransactionExecutor.executeCallbacks(Unknown Source:77)
    at android.app.servertransaction.TransactionExecutor.execute(Unknown Source:73)
    at android.app.ActivityThread$H.handleMessage(Unknown Source:43)
    at android.os.Handler.dispatchMessage(Unknown Source:19)
    at android.os.Looper.loop(Unknown Source:242)
    at android.app.ActivityThread.main(Unknown Source:98)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(Unknown Source:11)
    at com.android.internal.os.ZygoteInit.main(Unknown Source:275)
Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.miui.securitycenter/com.miui.appmanager.AppManagerMainActivity}; have you declared this activity in your AndroidManifest.xml?
    at android.app.Instrumentation.checkStartActivityResult(Unknown Source:105)
    at android.app.Instrumentation.execStartActivity(Unknown Source:140)
    at android.app.Activity.startActivityForResult(Unknown Source:30)
    at android.app.Activity.startActivityFromFragment(Unknown Source:2)
    at android.app.Activity$HostCallbacks.onStartActivityFromFragment(Unknown Source:2)
    at android.app.Fragment.startActivity(Unknown Source:12)
    at android.app.Fragment.startActivity(Unknown Source:1)
    at com.android.settings.applications.ApplicationsContainer.onActivityCreated(Unknown Source:26)
    at android.app.Fragment.performActivityCreated(Unknown Source:13)
    at android.app.FragmentManagerImpl.moveToState(Unknown Source:631)
    at android.app.FragmentManagerImpl.moveFragmentToExpectedState(Unknown Source:38)
    at android.app.FragmentManagerImpl.moveToState(Unknown Source:46)
    at android.app.FragmentManagerImpl.dispatchMoveToState(Unknown Source:12)
    at android.app.FragmentManagerImpl.dispatchActivityCreated(Unknown Source:4)
    at android.app.FragmentController.dispatchActivityCreated(Unknown Source:4)
    at android.app.Activity.performCreate(Unknown Source:66)
    at android.app.Activity.performCreate(Unknown Source:1)
    at android.app.Instrumentation.callActivityOnCreate(Unknown Source:3)
    at android.app.ActivityThread.performLaunchActivity(Unknown Source:376)
    ... 11 more