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Commit b35b34c7 authored by Fyodor Kupolov's avatar Fyodor Kupolov
Browse files

Use buffering when reading preferred apps 

On my test, a buffered version takes 10ms in contrast to 80 ms.

Bug: 26237300
Change-Id: I91ae05798672d243873e7447261156d5ebf3b045
parent 1d724e02

services/core/java/com/android/server/pm/Settings.java

+4 −2
Original line number Diff line number Diff line
@@ -65,7 +65,9 @@ import com.android.server.backup.PreferredActivityBackupHelper; 
import com.android.server.pm.PackageManagerService.DumpState;

import com.android.server.pm.PermissionsState.PermissionState;



import java.io.BufferedInputStream;

import java.io.FileNotFoundException;

import java.io.InputStream;

import java.util.Collection;



import org.xmlpull.v1.XmlPullParser;
@@ -2789,9 +2791,9 @@ final class Settings { 
            }



            if (PackageManagerService.DEBUG_PREFERRED) Log.d(TAG, "Reading default preferred " + f);

            FileInputStream str = null;

            InputStream str = null;

            try {

                str = new FileInputStream(f);

                str = new BufferedInputStream(new FileInputStream(f));

                XmlPullParser parser = Xml.newPullParser();

                parser.setInput(str, null);