download image from url to sd card in android

download image from URL to sd card in android

             Here, I have added coding for download image from url and store in sdcard in android.
For that you need two permission

1) Internet permission
2)Write External storage

*) And you have to you async task to download image.

Then Store your url in String;

like String url="yourImageURL";

DownloadImage.Java

public class webview extends Activity {        String image_URL=Dec.img_url;        String extStorageDirectory;     String sdCard;     Bitmap bitmap;     File file;     String savedFilePath;     /** Called when the activity is first created. */     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);                Button buttonSave = (Button)findViewById(R.id.save);         ImageView bmImage = (ImageView)findViewById(R.id.image);         buttonSave.setOnClickListener(new OnClickListener()         {                        @Override             public void onClick(View v) {                 // TODO Auto-generated method stub                 myAsyncTask myWebFetch = new myAsyncTask();                 myWebFetch.execute();             }         });     }        class myAsyncTask extends AsyncTask<Void, Void, Void>    {         TextView tv;         public ProgressDialog dialog;         myAsyncTask()           {             dialog = new ProgressDialog(webview.this);             dialog.setMessage("Loading news...");             dialog.setCancelable(true);             dialog.setIndeterminate(true);         }         @Override         protected void onPostExecute(Void result) {             super.onPostExecute(result);             dialog.dismiss();         }         @Override         protected void onPreExecute() {             super.onPreExecute();             dialog.show();         }         protected Void doInBackground(Void... arg0) {             try {                 //set the download URL, a url that points to a file on the internet                 //this is the file to be downloaded                 URL url = new URL(url);                 //create the new connection                 HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();                 //set up some things on the connection                 urlConnection.setRequestMethod("GET");                 urlConnection.setDoOutput(true);                 //and connect!                 urlConnection.connect();                 //set the path where we want to save the file                 //in this case, going to save it on the root directory of the                 //sd card.                 File SDCardRoot = Environment.getExternalStorageDirectory();                 //create a new file, specifying the path, and the filename                 //which we want to save the file as.                 File file = new File(SDCardRoot,"somefile.jpg");                 //this will be used to write the downloaded data into the file we created                 FileOutputStream fileOutput = new FileOutputStream(file);                 //this will be used in reading the data from the internet                 InputStream inputStream = urlConnection.getInputStream();                 //this is the total size of the file                 int totalSize = urlConnection.getContentLength();                 //variable to store total downloaded bytes                 int downloadedSize = 0;                 //create a buffer...                 byte[] buffer = new byte[1024];                 int bufferLength = 0; //used to store a temporary size of the buffer                 //now, read through the input buffer and write the contents to the file                 while ( (bufferLength = inputStream.read(buffer)) > 0 ) {                     //add the data in the buffer to the file in the file output stream (the file on the sd card                     fileOutput.write(buffer, 0, bufferLength);                     //add up the size so we know how much is downloaded                     downloadedSize += bufferLength;                     //this is where you would do something to report the prgress, like this maybe                     //updateProgress(downloadedSize, totalSize);                 }                 //close the output stream when done                 fileOutput.close();             //catch some possible errors...             } catch (MalformedURLException e) {                 e.printStackTrace();             } catch (IOException e) {                 e.printStackTrace();             }             // see http://androidsnippets.com/download-an-http-file-to-sdcard-with-progress-notification             return null;         }      } }