create File In SDCard : SDCard « Hardware « Android

1. Android
2. Hardware
3. SDCard

create File In SDCard

  
//package ping.utils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

import android.os.Environment;

public class FileUtils {
  private String SDCardRoot;

  public FileUtils() {
    SDCardRoot = Environment.getExternalStorageDirectory()
        .getAbsolutePath()
        + "/";
    System.out.println("SD dir:" + SDCardRoot);
  }

  public File createFileInSDCard(String fileName, String dir)
      throws IOException {
    File file = new File(SDCardRoot + dir + File.separator + fileName);
    file.createNewFile();
    return file;
  }

  public File createSDDir(String dir) {
    File dirFile = new File(SDCardRoot + dir + File.separator);
    System.out.println("creat dir:" + dirFile.mkdirs());
    return dirFile;
  }

  public boolean isFileExist(String fileName, String path) {
    File file = new File(SDCardRoot + path + File.separator + fileName);
    return file.exists();
  }

  public File write2SDFromInput(String path, String fileName,
      InputStream input) {
    File file = null;
    OutputStream output = null;
    try {
      createSDDir(path);
      file = createFileInSDCard(fileName, path);
      output = new FileOutputStream(file);
      byte buffer[] = new byte[4 * 1024];
      int temp;
      while ((temp = input.read(buffer)) != -1) {
        output.write(buffer, 0, temp);
      }
      output.flush();
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      try {
        output.close();
      } catch (Exception e) {
        e.printStackTrace();
      }
    }

    return file;
  }

}

   
    
  

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