Develop Reference

Download Image from web

I have images on server named by email so when i try to download them on my application the # symbol not shown on the path, is there anyway to stop escape this symbol ?
Example :
Correct Path
Http://www.xxxxx.com/a#a.com.jpg
Wrong Path
Http://www.xxxxx.com/aa.com.jpg
I tried URL encode but its not useful in my case
Bitmap downloadFile(String fileUrl) {
URL myFileUrl = null;
Bitmap bmImg = null;
try {
myFileUrl = new URL(fileUrl);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
HttpURLConnection conn = (HttpURLConnection) myFileUrl
.openConnection();
conn.setDoInput(true);
conn.connect();
InputStream is = conn.getInputStream();
bmImg = BitmapFactory.decodeStream(is);
// imView.setImageBitmap(bmImg);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return bmImg;
}

Try using the URLEncoder from Android SDK.
try {
myFileUrl = new URL(java.net.URLEncoder.encode(fileUrl));
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
EDIT:
Just saw my mistake. That won't work because it's encoding the entire URL.
You have to separate the email address from the rest of the url like this.
myFileUrl = new URL("http://www.xxxx.com/"+java.net.URLEncoder.encode(email));
Or alternatively, just replace the problem character.
myFileUrl = new URL(fileUrl.replace("#","%40"));

Image not showing on image view

I am trying to set image on imageview but image is not show.
I am reading image url from json data and then trying to set it on ImageView but my image is not visible. No any exception occur.
Here is my code
HotelList.class
static final String TAG_DISHIMAGEURL = "dishimageurl";
......
String imageUrl = dishResult.getString(TAG_DISHIMAGEURL);
map.put(TAG_DISHIMAGEURL, imageUrl);
.....
dishimageurl1 = hm.get(TAG_DISHIMAGEURL).toString();
intent.putExtra("background", dishimageurl1);
HotelDetails.class
......
String dishimageurl = bundle.getString("background");
Bitmap bimage= getBitmapFromURL(dishimageurl);
imageView.setImageBitmap(bimage);
....
public Bitmap getBitmapFromURL(String src) {
try {
URL url = new URL(src);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true);
Toast.makeText(this, "showing image", Toast.LENGTH_LONG).show();
connection.connect();
InputStream input = connection.getInputStream();
Bitmap myBitmap = BitmapFactory.decodeStream(input);
return myBitmap;
} catch (IOException e) {
Toast.makeText(this, "showing exception", Toast.LENGTH_LONG).show();
return null;
}
}
I don't understand what happen with this code. No any exception but my image is not visible.
Please give me any reference.

Please Use below code for get image from url and display into imageview.
public class image extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Bitmap bitmap = DownloadImage("http://www.gophoto.it/view.php?i=http://1.bp.blogspot.com/-2LTvCCufBKc/T3L3KgcTj2I/AAAAAAAABbQ/Ki60e1LU9sE/s1600/Sachin%2BTendulkar.png");
RelativeLayout mRlayout1 = (RelativeLayout) findViewById(R.id.mRlayout1);
Drawable d=new BitmapDrawable(bitmap);
mRlayoutLogin.setBackgroundDrawable(d);
}
private InputStream OpenHttpConnection(String urlString) throws IOException {
InputStream in = null;
int response = -1;
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
if (!(conn instanceof HttpURLConnection))
throw new IOException("Not an HTTP connection");
try {
HttpURLConnection httpConn = (HttpURLConnection) conn;
httpConn.setAllowUserInteraction(false);
httpConn.setInstanceFollowRedirects(true);
httpConn.setRequestMethod("GET");
httpConn.connect();
response = httpConn.getResponseCode();
if (response == HttpURLConnection.HTTP_OK) {
in = httpConn.getInputStream();
}
} catch (Exception ex) {
throw new IOException("Error connecting");
}
return in;
}
private Bitmap DownloadImage(String URL) {
Bitmap bitmap = null;
InputStream in = null;
try {
in = OpenHttpConnection(URL);
bitmap = BitmapFactory.decodeStream(in);
in.close();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
return bitmap;
}
}

you can view image by using this code.
try {
bitmap = BitmapFactory.decodeStream((InputStream)new URL(url).getContent());
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

It seems you are downloading the image from UI thread. this will block the UI thread and will give you not responding error. as an easy way, you can use a library like Universal Image Loader
Universal Image Loader - GitHub
this will manage the image loading for you and avoid problems like incorrect urls, Out Of Memory error.

User Agent on a url.getContent();

I need to download one file from an url that i give from an xml after connect to other url. My problem is that i need the same user agent and ip to do both actions.
To obtain the xml, i use a PHP code that is hosted on my server and i send it the user agent of my app:
String ua=new WebView(ct).getSettings().getUserAgentString().trim();
ua = ua.replaceAll(" ", "%20");
Then i parse the xml with a generic RssParserSax that gives me all i need.
After, i try to download the file to a drawable var and i do this:
Drawable dd = ImageOperations(url);
private Drawable ImageOperations(String url) {
try {
InputStream is = (InputStream) this.fetch(url);
Drawable d = Drawable.createFromStream(is, "src");
return d;
} catch (MalformedURLException e) {
return null;
} catch (IOException e) {
return null;
}
}
private Object fetch(String address) throws MalformedURLException,IOException {
URL url = new URL(address);
Object content = url.getContent();
return content;
}
But as i don't send the user agent, it does not give me anything.

Finally i did this to resolve:
Bitmap bmImg;
try {
URL url = new URL(addres);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.addRequestProperty("User-Agent", ua);
conn.setDoInput(true);
conn.connect();
InputStream is = conn.getInputStream();
bmImg = BitmapFactory.decodeStream(is);
imagen.setImageBitmap(bmImg);
imagen.setScaleType(ScaleType.FIT_XY);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

You can use AndroidHttpClient.newInstance(useragent).
See an example here AndroidHttpClient can not getEntity().getContent() after closed

how to parse the image which is in very big size?

i am using json parsing in my url a very big size images are there and i want get those images but not downloaded .....can any body help me to get those images
my code is as followsenter code here
public class Image extends Activity{
String imageBaseDirectory = "http://www.dha.com.tr/newpics/news/";
Bitmap bit;
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.image);
ImageView img=(ImageView)findViewById(R.id.ImageView01);
img.setImageBitmap(convertImage(imageBaseDirectory));
}
public Bitmap convertImage(String s)
{
URL aURL = null;
try
{
final String imageUrl =s.replaceAll(" ","%20");
Log.e("Image Url",imageUrl);
aURL = new URL(imageUrl);
URLConnection conn = aURL.openConnection();
InputStream is = conn.getInputStream();
//#SuppressWarnings("unused")
BufferedInputStream bis = new BufferedInputStream(is);
Bitmap bm = BitmapFactory.decodeStream(new PatchInputStream(bis));
if(bm==null){}
else
bit=Bitmap.createScaledBitmap(bm,60, 60, true);
return bit;
}
catch(Exception e)
{
e.printStackTrace();
return null;
}
}

Try this code I hope it will help.
private Bitmap LoadPhotoFromServer(String path){
Bitmap bm=null;
URL url = null;
try {
url = new URL(path);
} catch (MalformedURLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try{
HttpURLConnection httpConnection=(HttpURLConnection)url.openConnection();
httpConnection.setDoInput(true);
httpConnection.connect();
//int lengthOfFile=httpConnection.getContentLength();
InputStream inputStream=httpConnection.getInputStream();
bm=BitmapFactory.decodeStream(inputStream);
}
catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return bm;
}

Android imageview only accepts some jpg's

I have an image view in my app. when I try to make it show a jpg file exported from 3ds max, it works. But if it comes from Photoshop, it just does nothing. Why is that? If it is at all important my app gets the image from my server with the following code:
public static Bitmap getWebImage(String URL)
{
URL myImageURL = null;
Bitmap bitmap = null;
try {
myImageURL = new URL(URL);
} catch (MalformedURLException error) {
error.printStackTrace();
}
try {
HttpURLConnection connection = (HttpURLConnection)myImageURL .openConnection();
connection.setDoInput(true);
connection.connect();
InputStream input = connection.getInputStream();
bitmap = BitmapFactory.decodeStream(input);
} catch (IOException e) {
e.printStackTrace();
}
return bitmap;
}

Can you check the color settings of your JPG files? Most likely your JPG files from photoshop is in CMYK rather than RGB, and Android simply doesn't support CMYK.

Would it be possible for you to upload the two pictures for comparison?

public static Bitmap getWebImage(String URL)
{
URL myImageURL = null;
Bitmap bitmap = null;
try {
myImageURL = new URL(URL);
} catch (MalformedURLException error) {
error.printStackTrace();
}
try {
HttpURLConnection connection = (HttpURLConnection)myImageURL .openConnection();
connection.setDoInput(true);
connection.connect();
InputStream input = connection.getInputStream();
bitmap = BitmapFactory.decodeStream(input);
} catch (IOException e) {
e.printStackTrace();
}
return bitmap;
}