FileUtils.java

package cn.edu.buaa.act.sdp.malwaredetector.util;

import android.os.Environment;

import java.io.File;

/**
 * Created by yaodh on 2015/5/28.
 */
public class FileUtils {

    private static final String SD_FOLDER = "/sdcard/MalwareDetector";

    private static final String DATA_FOLDER = "/data/data/MalwareDetector";

    public static boolean hasSDCard() {
        String status = Environment.getExternalStorageState();
        if(status.equals(Environment.MEDIA_MOUNTED)) {
            return true;
        } else {
            return false;
        }
    }

    public static String generateFolder(String path) {
        String folderPath = (hasSDCard() ? SD_FOLDER : DATA_FOLDER) + File.separator + path;
        File folder = new File(folderPath);
        if(!folder.exists()) {
            folder.mkdirs();
        }
        return folderPath;
    }
}