将Bitmap对象转化为图片文件File

package com.example.zzwbitmap;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;

/**
 * @author 鹭岛猥琐男
 *File file=new File("/mnt/sdcard/pic/01.jpg");
 */
public class BitmapUtils
{
  public void saveBitmapFile(Bitmap bitmap,File file)
  {
      try
    {
        BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(file));
        bitmap.compress(CompressFormat.PNG, 100, bos);
        bos.flush();
        bos.close();
    }
    catch (FileNotFoundException e)
    {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    catch (IOException e)
    {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
  }
}