Android Rss Image Problem

Hello Everybody I am relatively new to Android Development and I am creating an RSS Reader for a news site. The problem I have is that site with the rss feed of which I want to get images is of a type "< img src="http......"" What I have done for the code on android is ...2 classes ...RssItem and RssItem Displayer

public class RssItem {

private String title;
private String description;
private Date pubDate;
private String link;
private static ImageView image;

public RssItem(String title, String description,ImageView image, Date pubDate, String link) {
    this.title = title;
    this.description = description;
    RssItem.image = image;
    this.pubDate = pubDate;
    this.link = link;
}

public String getTitle() {
    return title;
}

public void setTitle(String title) {
    this.title = title;
}

public String getDescription() {
    return description;
}

public void setDescription(String description) {
    this.description = description;
}
public ImageView getImage(ImageView image) {
      return this.image = image;
}     
public void setImage(ImageView image) {
          this.image = image;     
}
public Date getPubDate() {
    return pubDate;
}

public void setPubDate(Date pubDate) {
    this.pubDate = pubDate;
}

public String getLink() {
    return link;
}

public void setLink(String link) {
    this.link = link;
}

@Override
public String toString() {

    SimpleDateFormat sdf = new SimpleDateFormat("MM/dd - hh:mm:ss");

    String result = getTitle() + "   ( " + sdf.format(this.getPubDate()) + " )";
    return result;
}

public static ArrayList<RssItem> getRssItems(String feedUrl) {

    ArrayList<RssItem> rssItems = new ArrayList<RssItem>();

    try {
        //open an URL connection make GET to the server and 
        //take xml RSS data
        URL url = new URL(feedUrl);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
            InputStream is = conn.getInputStream();

            //DocumentBuilderFactory, DocumentBuilder are used for 
            //xml parsing
            DocumentBuilderFactory dbf = DocumentBuilderFactory
                    .newInstance();
            DocumentBuilder db = dbf.newDocumentBuilder();

            //using db (Document Builder) parse xml data and assign
            //it to Element
            Document document = db.parse(is);
            Element element = document.getDocumentElement();

            //take rss nodes to NodeList
            NodeList nodeList = element.getElementsByTagName("item");

            if (nodeList.getLength() > 0) {
                for (int i = 0; i < nodeList.getLength(); i++) {

                    //take each entry (corresponds to <item></item> tags in 
                    //xml data

                    Element entry = (Element) nodeList.item(i);

                    Element _titleE = (Element) entry.getElementsByTagName(
                            "title").item(0);
                    Element _descriptionE = (Element) entry
                            .getElementsByTagName("description").item(0);
                    Element _imageE = (Element) entry
                            .getElementsByTagName("image").item(0);
                    Element _pubDateE = (Element) entry
                            .getElementsByTagName("pubDate").item(0);
                    Element _linkE = (Element) entry.getElementsByTagName(
                            "link").item(0);

                    String _title = _titleE.getFirstChild().getNodeValue();
                    String _description = _descriptionE.getFirstChild().getNodeValue();

                     // ImageView image = (ImageView)findViewbyId(R.id.MyImage);
                     // Bitmap bitmap = BitmapFactory.decodeStream((InputStream)new URL(feedUrl).getContent());
                     // image.setImageBitmap(bitmap); 
                    //} catch (MalformedURLException e) {

                    /*try {
                          //where imageUrl is what you pulled out from the rss feed
                          Bitmap bitmap = BitmapFactory.decodeStream((InputStream)new URL(feedUrl).getContent());
                          image.setImageBitmap(bitmap); 
                        } catch (MalformedURLException e) {
                         //log exception here
                        } catch (IOException e) {
                          //log exception here
                        }

                    */

                    Date _pubDate = new Date(_pubDateE.getFirstChild().getNodeValue());
                    String _link = _linkE.getFirstChild().getNodeValue();

                    //create RssItemObject and add it to the ArrayList
                    RssItem rssItem = new RssItem(_title, _description, image,
                            _pubDate, _link);

                    rssItems.add(rssItem);
                }
            }

        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return rssItems;
}

but I do not know how to put the src image element

I also create an imageview that will show it on the layout xml

In the other class that shows RSS item displayer I have

public class RssItemDisplayer extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.rss_item_displayer);

    RssItem selectedRssItem = com.AndroidRSSReader.AndroidRSSReader.selectedRssItem;
    //Bundle extras = getIntent().getExtras();
    TextView titleTv = (TextView)findViewById(R.id.titleTextView);  
    TextView contentTv = (TextView)findViewById(R.id.contentTextView);  
    ImageView image=(ImageView)findViewById(R.id.MyImage);  

    String title = "";
    SimpleDateFormat sdf = new SimpleDateFormat("MM/dd - hh:mm:ss");
    title = "\n" + selectedRssItem.getTitle() + "   ( "
     + sdf.format(selectedRssItem.getPubDate()) + " )\n\n";

    String content = "";
    content += selectedRssItem.getDescription() + "\n"
            + selectedRssItem.getLink();

    titleTv.setText(title);
    contentTv.setText(content);

    image=selectedRssItem.getImage(image);
    try {
          String feedUrl = null;
        //where imageUrl is what you pulled out from the rss feed
          Bitmap bitmap = BitmapFactory.decodeStream((InputStream)new URL(feedUrl).getContent());
          image.setImageBitmap(bitmap); 
        } catch (MalformedURLException e) {
         //log exception here
        } catch (IOException e) {
          //log exception here
        }

the logcat gave me warnins to the line of rss item that bitmap is get in the code

11-29 00:13:44.593: WARN/System.err(2997): java.net.MalformedURLException: Protocol not found: 
11-29 00:13:44.593: WARN/System.err(2997):     at java.net.URL.<init>(URL.java:275)
11-29 00:13:44.593: WARN/System.err(2997):     at java.net.URL.<init>(URL.java:159)
11-29 00:13:44.593: WARN/System.err(2997):     at com.AndroidRSSReader.RssItem.getRssItems(RssItem.java:92)
11-29 00:13:44.593: WARN/System.err(2997):     at com.AndroidRSSReader.AndroidRSSReader.refressRssList(AndroidRSSReader.java:301)
11-29 00:13:44.593: WARN/System.err(2997):     at com.AndroidRSSReader.AndroidRSSReader.onCreate(AndroidRSSReader.java:229)
11-29 00:13:44.593: WARN/System.err(2997):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
11-29 00:13:44.593: WARN/System.err(2997):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
11-29 00:13:44.593: WARN/System.err(2997):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
11-29 00:13:44.593: WARN/System.err(2997):     at android.app.ActivityThread.access$2300(ActivityThread.java:125)
11-29 00:13:44.603: WARN/System.err(2997):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
11-29 00:13:44.603: WARN/System.err(2997):     at android.os.Handler.dispatchMessage(Handler.java:99)
11-29 00:13:44.613: WARN/System.err(2997):     at android.os.Looper.loop(Looper.java:123)
11-29 00:13:44.613: WARN/System.err(2997):     at android.app.ActivityThread.main(ActivityThread.java:4627)
11-29 00:13:44.613: WARN/System.err(2997):     at java.lang.reflect.Method.invokeNative(Native Method)
11-29 00:13:44.613: WARN/System.err(2997):     at java.lang.reflect.Method.invoke(Method.java:521)
11-29 00:13:44.613: WARN/System.err(2997):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:876)
11-29 00:13:44.613: WARN/System.err(2997):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:634)
11-29 00:13:44.613: WARN/System.err(2997):     at dalvik.system.NativeStart.main(Native Method)

What should I put in those two things to grub the image and especially to rss item class Anyway If someone can help i will be grateful

Eric Levine

Your RssItem class should not have the following:

private static ImageView image;

Replace that with:

private String imageUrl;

In your getRssItems method, use _imageE to get the value for imageUrl. Then use imageUrl as described below.

An ImageView will only display images stored locally on your device, so setting it to remote URL will not work. One solution can be found here: Android, Make an image at a URL equal to ImageView's image So, you will want to change from:

titleTv.setText(title);
image.setImageURI(uri);
contentTv.setText(content);

to:

titleTv.setText(title);
contentTv.setText(content);
try {
  //where imageUrl is what you pulled out from the rss feed
  Bitmap bitmap = BitmapFactory.decodeStream((InputStream)new URL(imageUrl).getContent());
  image.setImageBitmap(bitmap); 
} catch (MalformedURLException e) {
 //log exception here
} catch (IOException e) {
  //log exception here
}

来源：https://stackoverflow.com/questions/4296471/android-rss-image-problem