Merge "[Bugfix]use walkFileTree to calucate apk size" into main

import java.io.IOException;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.nio.file.FileVisitResult;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.SimpleFileVisitor;

import java.nio.file.attribute.BasicFileAttributes;

import java.util.ArrayList;

import java.util.concurrent.atomic.AtomicLong;

import java.util.stream.Stream;

    private long getApksSize(File apkDir) {

        // TODO(b/249294752): also count apk sizes for failed installs

        final AtomicLong apksSize = new AtomicLong();

        try (Stream<Path> walkStream = Files.walk(apkDir.toPath())) {

            walkStream.filter(p -> p.toFile().isFile()

                    && ApkLiteParseUtils.isApkFile(p.toFile())).forEach(

                            f -> apksSize.addAndGet(f.toFile().length()));

        try {

            Files.walkFileTree(apkDir.toPath(), new SimpleFileVisitor<>() {

                @Override

                public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs)

                        throws IOException {

                    if (dir.equals(apkDir.toPath())) {

                        return FileVisitResult.CONTINUE;

                    } else {

                        return FileVisitResult.SKIP_SUBTREE;

                    }

                }

                @Override

                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)

                        throws IOException {

                    if (file.toFile().isFile() && ApkLiteParseUtils.isApkFile(file.toFile())) {

                        apksSize.addAndGet(file.toFile().length());

                    }

                    return FileVisitResult.CONTINUE;

                }

            });

        } catch (IOException e) {

            // ignore

        }