Android: Finding the SD Card Path “In devices with multiple ‘external’ storage directories (such as both secure app storage and mountable shared storage), this directory represents the ‘primary’ external storage that the user will interact with.” replace method Environment.getExternalStoreDirectory()

SDUtil.java

File file = new File("/system/etc/vold.fstab");
    FileReader fr = null;
    BufferedReader br = null;
   
    try {
        fr = new FileReader(file);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } 
   
    try {
        if (fr != null) {
            br = new BufferedReader(fr);
            String s = br.readLine();
            while (s != null) {
                if (s.startsWith("dev_mount")) {
                    String[] tokens = s.split("\\s");
                    path = tokens[2]; //mount_point
                    if (!Environment.getExternalStorageDirectory().getAbsolutePath().equals(path)) {
                        break;
                    }
                }
                s = br.readLine();
            }
        }            
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (fr != null) {
                fr.close();
            }            
            if (br != null) {
                br.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }