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Commit 203e152d authored by Winson Chung's avatar Winson Chung
Browse files

Only create resources for the non-system user 

- It is expensive to create resources, so skip recreating
  them for the system user (they already exist for the
  system ui context). We only recreate resources when
  switching to a non-system user.

Bug: 131856992
Test: Manual
Change-Id: I5353fd336134f98e1d48bbf705ea30310447bccd
parent 2f1382ea

services/core/java/com/android/server/wm/DisplayPolicy.java

+10 −3
Original line number Diff line number Diff line
@@ -2718,11 +2718,18 @@ public class DisplayPolicy { 
    private void updateCurrentUserResources() {

        final int userId = mService.mAmInternal.getCurrentUserId();

        final Context uiContext = getSystemUiContext();



        if (userId == UserHandle.USER_SYSTEM) {

            // Skip the (expensive) recreation of resources for the system user below and just

            // use the resources from the system ui context

            mCurrentUserResources = uiContext.getResources();

            return;

        }



        // For non-system users, ensure that the resources are loaded from the current

        // user's package info (see ContextImpl.createDisplayContext)

        final LoadedApk pi = ActivityThread.currentActivityThread().getPackageInfo(

                uiContext.getPackageName(), null, 0, userId);



        // Create the resources from the current-user package info

        // (see ContextImpl.createDisplayContext)

        mCurrentUserResources = ResourcesManager.getInstance().getResources(null,

                pi.getResDir(),

                null /* splitResDirs */,