/** 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();
}
}
if (Log.isPrint) {
Log.i(TAG, sd.toString());
}
return sd;
}
/** 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) {
Log.i(TAG, "proc/mounts: " + lineStr);
if (lineStr.contains("sdcard") && lineStr.contains(".android_secure")) {
String[] strArray = lineStr.split(" ");
if (strArray.length >= 5) {
sdcard = strArray[1].replace("/.android_secure", "");
Log.i(TAG, "find sd card path: " + sdcard);
return sdcard;
}
}
if (p.waitFor() != 0 && p.exitValue() == 1) {
// p.exitValue()==0表示正常结束，1：非正常结束
Log.e(TAG, cmd + " 命令执行失败");
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
sdcard = Environment.getExternalStorageDirectory().getPath();
Log.i(TAG, "not find sd card path return default: " + sdcard);
return sdcard;
}
public static Object get(Context context, String fileName, String key, Cipher cipher) {
try {
String hex = get(context, fileName, key, (String) null);
if (hex == null) return null;
byte[] bytes = HexUtil.decodeHex(hex.toCharArray());
if (cipher != null) bytes = cipher.decrypt(bytes);
Object obj = ByteUtil.byteToObject(bytes);
Log.i(TAG, key + " get: " + obj);
return obj;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static void put(Context context, String fileName, String key, Object ser, Cipher cipher) {
SharedPreferences sp = context.getSharedPreferences(fileName, Context.MODE_PRIVATE);
try {
Log.i(TAG, key + " put: " + ser);
if (ser == null) {
sp.edit().remove(key).commit();
} else {
byte[] bytes = ByteUtil.objectToByte(ser);
if (cipher != null) bytes = cipher.encrypt(bytes);
put(context, fileName, key, HexUtil.encodeHexStr(bytes));
}
} catch (Exception e) {
e.printStackTrace();
}
}
/** 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) {
Log.i(TAG, "mount: " + line);
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;
}