Here you can find the source of getMounts(CharSequence path)
public static String[] getMounts(CharSequence path)
//package com.java2s; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import android.util.Log; public class Main { public static String[] getMounts(CharSequence path) { BufferedReader bufferedReader = null; try {/*from ww w . j a v a2s . c om*/ bufferedReader = new BufferedReader(new FileReader( "/proc/mounts"), 256); String line; while ((line = bufferedReader.readLine()) != null) { if (line.contains(path)) { return line.split(" "); } } } catch (FileNotFoundException ignored) { Log.d("TAG", "/proc/mounts does not exist"); } catch (IOException ignored) { Log.d("TAG", "Error reading /proc/mounts"); } finally { if (bufferedReader != null) { try { bufferedReader.close(); } catch (IOException ignored) { // ignored } } } return null; } }