/*
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* Copyright © 2012-2013 LiuZhongnan. All rights reserved.
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*
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* Email:qq81595157@126.com
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*
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* PROPRIETARY/CONFIDENTIAL.
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*/
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package com.youku.service.download;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.Set;
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import java.util.TreeSet;
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import android.annotation.SuppressLint;
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import android.os.Environment;
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import android.os.StatFs;
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import com.baseproject.utils.UIUtils;
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import com.youku.player.YoukuPlayerConfiguration;
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/**
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* SDCardManager.SD卡管理，空间数据的获取
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*
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* @author 刘仲男 qq81595157@126.com
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* @version v3.5
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* @created time 2012-11-5 下午1:16:02
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*/
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public class SDCardManager {
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private String sdPath;
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private long nSDTotalSize;
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private long nSDFreeSize;
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public SDCardManager(String sdPath) {
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this.sdPath = sdPath;
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init();
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}
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@SuppressWarnings("deprecation")
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private void init() {
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try {
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StatFs statFs = new StatFs(sdPath);
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long totalBlocks = statFs.getBlockCount();// 区域块数
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long availableBlocks = statFs.getAvailableBlocks();// 可利用区域块数
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long blockSize = statFs.getBlockSize();// 每个区域块大小
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nSDTotalSize = totalBlocks * blockSize;
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nSDFreeSize = availableBlocks * blockSize;
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} catch (Exception e) {
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}
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}
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/**
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* 是否存在
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*
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* @return
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*/
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public boolean exist() {
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return nSDTotalSize == 0 ? false : true;
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}
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/**
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* 总空间
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*
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* @return
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*/
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public long getTotalSize() {
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return nSDTotalSize;
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}
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/**
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* 剩余空间
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*
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* @return
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*/
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public long getFreeSize() {
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return nSDFreeSize;
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}
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/**
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* 优酷视频占有空间大小(/youku/offlinedata/下的文件大小)
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*
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* @return
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*/
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public long getYoukuVideoSpace() {
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try {
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if (sdPath.equals(getDefauleSDCardPath())) {
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// 固定加入p2p所占空间大小100M
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// if (AcceleraterServiceManager.isAccSupported(Youku.context)) {
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// return getYoukuOfflinedataSpace() + 100 * 1024 * 1024;
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// } else {
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return getYoukuOfflinedataSpace();
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// }
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} else {
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return getYoukuOfflinedataSpace();
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}
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} catch (Exception e) {
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return getYoukuOfflinedataSpace();
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}
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}
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private long getYoukuOfflinedataSpace() {
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File f = new File(sdPath + YoukuPlayerConfiguration.getDownloadPath());
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return f.exists() ? getFileSize(f) : 0;
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}
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private long getYoukudiskSpace() {
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File f = new File(sdPath + "/youku/youkudisk/");
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return f.exists() ? getFileSize(f) : 0;
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}
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/**
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* 其他程序占有空间大小
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*
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* @return
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*/
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public long getOtherSpace() {
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if (!exist())
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return 0;
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return nSDTotalSize - nSDFreeSize - getYoukuOfflinedataSpace()
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- getYoukudiskSpace();
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}
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/**
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* 优酷视频所占空间比例n%
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*/
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public int getYoukuProgrss() {
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if (!exist())
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return 0;
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return (int) ((1000 * getYoukuVideoSpace()) / nSDTotalSize);
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}
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/**
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* 其他程序所占空间比例n%
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*/
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public int getOtherProgrss() {
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if (!exist())
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return 0;
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return (int) ((1000 * getOtherSpace()) / nSDTotalSize);
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}
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/**
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* TODO 递归取得文件夹大小
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*/
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private static long getFileSize(File f) {
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long size = 0;
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if (f.isDirectory()) {
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File files[] = f.listFiles();
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if (files != null) {
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for (int i = 0, n = files.length; i < n; i++) {
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if (files[i].isDirectory()) {
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size = size + getFileSize(files[i]);
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} else {
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size = size + files[i].length();
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}
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}
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}
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} else {
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size = f.length();
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}
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return size;
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}
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/** Returns 是否有SD卡 */
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public static boolean hasSDCard() {
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return Environment.getExternalStorageState().equals(
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android.os.Environment.MEDIA_MOUNTED);
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}
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public static String getDefauleSDCardPath() {
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return hasSDCard() ? Environment.getExternalStorageDirectory()
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.getAbsolutePath() : "";
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}
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/**
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* 获得外部存储路径
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*
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* @return /mnt/sdcard或者/storage/extSdCard等多种名称
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*/
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@SuppressLint("NewApi")
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public static ArrayList<SDCardInfo> getExternalStorageDirectory() {
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ArrayList<SDCardInfo> list = new ArrayList<SDCardInfo>();
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if (UIUtils.hasKitKat()) {
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// OS 4.4 以上读取外置 SD 卡
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final File[] externalFiles = YoukuPlayerConfiguration.context
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.getExternalFilesDirs(null);
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if (null != externalFiles) {
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SDCardInfo info = new SDCardInfo();
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info.path = getDefauleSDCardPath();
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info.isExternal = false;
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list.add(info);
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if (externalFiles.length > 1 && (null != externalFiles[1])) {
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SDCardInfo externalInfo = new SDCardInfo();
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externalInfo.path = externalFiles[1].getAbsolutePath();
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externalInfo.isExternal = true;
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list.add(externalInfo);
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}
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}
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return list;
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} else {
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Runtime runtime = Runtime.getRuntime();
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Process proc;
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try {
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proc = runtime.exec("mount");
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// InputStream is = Youku.context.getAssets().open("mount.txt");
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InputStream is = proc.getInputStream();
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InputStreamReader isr = new InputStreamReader(is);
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String line;
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// String mount = new String();
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BufferedReader br = new BufferedReader(isr);
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String defauleSDCardPath = getDefauleSDCardPath();
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//用于盛放已经判断过的路径，省时高效
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HashMap<String,Integer> tempPath = new HashMap<String,Integer>();
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while ((line = br.readLine()) != null) {
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// Logger.d("nathan2", line);
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// "fat"为不可卸载的；"fuse"为可卸载的；但是有的手机不适用，所以统一去处理;storage为一些三星手机的存储路径标识
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if (line.contains("fat") || line.contains("fuse")
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|| line.contains("storage")) {
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if (line.contains("secure") || line.contains("asec")
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|| line.contains("firmware")
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|| line.contains("shell")
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|| line.contains("obb")
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|| line.contains("legacy")
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|| line.contains("data")
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|| line.contains("tmpfs")) {
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continue;
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}
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String columns[] = line.split(" ");
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for (int i = 0; i < columns.length; i++) {
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String path = columns[i];
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//一加手机的"/dev/fuse"是假地址
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if (path.contains("/") && !path.contains("data") && !path.contains("Data")
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&& !path.contains("/dev/fuse")) {
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try {
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if (tempPath.containsKey(path)) {
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continue;
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} else {
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tempPath.put(path, 0);
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SDCardManager m = new SDCardManager(path);
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if (m.getTotalSize() >= 1024 * 1024 * 1024) {
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SDCardInfo info = new SDCardInfo();
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info.path = columns[i];
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if (info.path.equals(defauleSDCardPath)) {
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info.isExternal = false;
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} else {
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info.isExternal = true;
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}
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list.add(info);
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}
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}
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} catch (Exception e) {
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continue;
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}
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}
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}
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}
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}
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tempPath.clear();
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if (list.size() == 1) {
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if (!defauleSDCardPath.equals(list.get(0).path)) {
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SDCardInfo info = new SDCardInfo();
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info.path = defauleSDCardPath;
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info.isExternal = false;
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list.add(info);
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} else {
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YoukuPlayerConfiguration.savePreference("download_file_path",
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defauleSDCardPath);
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}
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} else if (list.size() == 0) {
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if (defauleSDCardPath != null
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&& defauleSDCardPath.length() != 0) {
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SDCardInfo info = new SDCardInfo();
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info.path = defauleSDCardPath;
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info.isExternal = false;
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list.add(info);
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}
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}
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if (list.size() > 1) {
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Set<SDCardInfo> s = new TreeSet<SDCardInfo>(
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new Comparator<SDCardInfo>() {
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@Override
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public int compare(SDCardInfo o1, SDCardInfo o2) {
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return o1.path.compareTo(o2.path);
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}
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});
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s.addAll(list);
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list = new ArrayList<SDCardInfo>(s);
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}
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return list;
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} catch (IOException e) {
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}
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return null;
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}
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}
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public static class SDCardInfo {
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/** 路径/mnt/sdcard或者/storage/extSdCard等多种名称 */
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public String path;
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/** 是否是外部存储 */
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public boolean isExternal;
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}
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}
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