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Copy pathSdCardUtil.java
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import android.annotation.TargetApi;
import android.os.Build;
import android.os.Environment;
import android.os.StatFs;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
/**
* 基本功能：SD卡片工具
*/
public class SdCardUtil {
/**
* is sd card available.
* @return true if available
*/
public boolean isSdCardAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}
/**
* Get {@link android.os.StatFs}.
*/
public static StatFs getStatFs(String path) {
return new StatFs(path);
}
/**
* Get phone data path.
*/
public static String getDataPath() {
return Environment.getDataDirectory().getPath();
}
/**
* Get SD card path.
*/
public static String getNormalSDCardPath() {
return Environment.getExternalStorageDirectory().getPath();
}
/**
* Get SD card path by CMD.
*/
public static String getSDCardPath() {
String cmd = "cat /proc/mounts";
String sdcard = null;
Runtime run = Runtime.getRuntime();// 返回与当前 Java 应用程序相关的运行时对象
BufferedReader bufferedReader = null;
try {
Process p = run.exec(cmd);// 启动另一个进程来执行命令
bufferedReader = new BufferedReader(new InputStreamReader(new BufferedInputStream(p.getInputStream())));
String lineStr;
while ((lineStr = bufferedReader.readLine()) != null) {
if (lineStr.contains("sdcard")
&& lineStr.contains(".android_secure")) {
String[] strArray = lineStr.split(" ");
if (strArray.length >= 5) {
sdcard = strArray[1].replace("/.android_secure", "");
return sdcard;
}
}
if (p.waitFor() != 0 && p.exitValue() == 1) {
// p.exitValue()==0表示正常结束，1：非正常结束
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
sdcard = Environment.getExternalStorageDirectory().getPath();
return sdcard;
}
/**
* Get SD card path list.
*/
public static ArrayList<String> getSDCardPathEx() {
ArrayList<String> list = new ArrayList<String>();
try {
Runtime runtime = Runtime.getRuntime();
Process proc = runtime.exec("mount");
InputStream is = proc.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
String line;
BufferedReader br = new BufferedReader(isr);
while ((line = br.readLine()) != null) {
if (line.contains("secure")) {
continue;
}
if (line.contains("asec")) {
continue;
}
if (line.contains("fat")) {
String columns[] = line.split(" ");
if (columns.length > 1) {
list.add("*" + columns[1]);
}
} else if (line.contains("fuse")) {
String columns[] = line.split(" ");
if (columns.length > 1) {
list.add(columns[1]);
}
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return list;
}
/**
* Get available size of SD card.
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
public static long getAvailableSize(String path) {
try {
File base = new File(path);
StatFs stat = new StatFs(base.getPath());
return stat.getBlockSizeLong() * stat.getAvailableBlocksLong();
} catch (Exception e) {
e.printStackTrace();
}
return 0;
}
/**
* Get SD card info detail.
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
public static SDCardInfo getSDCardInfo() {
SDCardInfo sd = new SDCardInfo();
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
sd.isExist = true;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
File sdcardDir = Environment.getExternalStorageDirectory();
StatFs sf = new StatFs(sdcardDir.getPath());
sd.totalBlocks = sf.getBlockCountLong();
sd.blockByteSize = sf.getBlockSizeLong();
sd.availableBlocks = sf.getAvailableBlocksLong();
sd.availableBytes = sf.getAvailableBytes();
sd.freeBlocks = sf.getFreeBlocksLong();
sd.freeBytes = sf.getFreeBytes();
sd.totalBytes = sf.getTotalBytes();
}
}
return sd;
}
/**
* see more {@link android.os.StatFs}
*/
public static class SDCardInfo {
public boolean isExist;
public long totalBlocks;
public long freeBlocks;
public long availableBlocks;
public long blockByteSize;
public long totalBytes;
public long freeBytes;
public long availableBytes;
@Override
public String toString() {
return "SDCardInfo{" +
"isExist=" + isExist +
", totalBlocks=" + totalBlocks +
", freeBlocks=" + freeBlocks +
", availableBlocks=" + availableBlocks +
", blockByteSize=" + blockByteSize +
", totalBytes=" + totalBytes +
", freeBytes=" + freeBytes +
", availableBytes=" + availableBytes +
'}';
}
}
}