Image Manager to handle SDCARD Image Saves and Gets :: 안드로이드 예제 소스 모음[SSISO Community]

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등록일:2012-01-26 21:48:00

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제목:Image Manager to handle SDCARD Image Saves and Gets

import  java.io.File;
import  java.io.FileNotFoundException;
import  java.io.FileOutputStream;
import  java.io.IOException;
import  java.io.InputStream;
import  java.net.URL;
import  java.security.MessageDigest;
import  java.security.NoSuchAlgorithmException;

import  android.graphics.Bitmap;
import  android.graphics.BitmapFactory;
import  android.graphics.drawable.BitmapDrawable;
import  android.graphics.drawable.Drawable;
import  android.os.Environment;

public  class  ImageManager  {
        protected  final  static  String  STORAGE_PATH  =  Environment.getExternalStorageDirectory().toString();
        private  String  imgUrl;
        private  String  fn;
        private  static  String  APP_FOLDER_NAME  =  "/YOUR_APP_FOLDER_NAME/"
        private  static  String  basepath  =  STORAGE_PATH  +  APP_FOLDER_NAME;

        public  ImageManager(String  imgUrl)  {
                this.setImgUrl(imgUrl);
                fn  =  md5(imgUrl)  +  ".jpg";
        }

        public  ImageManager(String  imgUrl,  boolean  md5)  {
                this.setImgUrl(imgUrl);
                if(md5  ==  false)
                        fn  =  imgUrl.ubstring(imgUrl.lastIndexOf("/")  +  1);
                else
                        fn  =  md5(imgUrl)  +  ".jpg";
        }

        public  String  getFilename()  {
                return  basepath  +  this.fn;
        }

        protected  Drawable  getImageFromURL(String  url)  {
                try  {
                        InputStream  is  =  (InputStream)  new  URL(url).getContent();
                        Drawable  d  =  Drawable.createFromStream(is,  "src  name");
                        is.close();
                        return  d;
                }  catch  (Exception  e)  {
                        e.printStackTrace();
                        return  null;
                }
        }

        public  boolean  fileExists()  {
                return  new  File(basepath+fn).exists();
        }

        public  static  String  md5(String  s)  {
                try  {
                        //  Create  MD5  Hash
                        MessageDigest  digest  =  java.security.MessageDigest
                                        .getInstance("MD5");
                        digest.update(s.getBytes());
                        byte  messageDigest[]  =  digest.digest();

                        //  Create  Hex  String
                        StringBuffer  hexString  =  new  StringBuffer();
                        for  (int  i  =  0;  i  <  messageDigest.length;  i++)
                                hexString.append(Integer.toHexString(0xFF  &  messageDigest[i]));
                        return  hexString.toString();

                }  catch  (NoSuchAlgorithmException  e)  {
                        //e.printStackTrace();
                        return  s;
                }
        }

        public  Bitmap  getImage()  {
                Bitmap  b  =  BitmapFactory.decodeFile(basepath+fn);
                return  (b.getWidth()  ==  0  &&  b.getHeight()  ==  0)  ?  null  :  b;
        }

        public  Bitmap  saveImage()  {
                Bitmap  b  =  ((BitmapDrawable)  getImageFromURL(imgUrl)).getBitmap();

                if(b.getWidth()  ==  0  &&  b.getHeight()  ==  0)  {
                        return  null;
                }

                FileOutputStream  out;

                //  Create  dir
                File  dir  =  new  File(basepath);
                if(!dir.exists())  {
                        dir.mkdirs();
                }

                try  {
                        File  output  =  new  File(dir,  fn);
                        out  =  new  FileOutputStream(output);

                        b.compress(Bitmap.CompressFormat.JPEG,  90,  out);
                        out.flush();
                        out.close();
                }  catch  (FileNotFoundException  e)  {}  catch  (IOException  e)  {}

                return  b;
        }

        public  void  setImgUrl(String  imgUrl)  {
                this.imgUrl  =  imgUrl;
        }

        public  String  getImgUrl()  {
                return  imgUrl;
        }

}
//  see  http://androidsnippets.com/image-manager-to-handle-sdcard-image-saves-and-gets

[본문링크] Image Manager to handle SDCARD Image Saves and Gets

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