HTML Parsing using Jsoup, getting an exception

Question

I want to parse an HTML page in order to get the first.jpg link, and setting its link to a WebView, in order to view the image on the app. I use AsyncTask. It seems to work, but I encounter an exception on the Try block. On the LogCat it's just shown ERROR PARSING ERROR (as you can see, that's how I chosen in the Catch group). But no explanation on what causes the exception. The code is as follows:

@Override
    protected String doInBackground(String... params) {
        TextView prova = (TextView)findViewById(R.id.searchedName);
        Document doc;
        try {
            doc = Jsoup.connect("[url]http://www.lolking.net/summoner/euw/42997801")
                     .userAgent("Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.172 Safari/537.22")
                     .timeout(3000).get();
            String icon = doc.select("img[src$=.jpg]").first().text();
            WebView summonerIcon = (WebView)findViewById(R.id.webView1);
            summonerIcon.loadUrl(icon);
        } catch (Exception e) {
            Log.e("ERROR", "PARSING ERROR");
    }
    return null;

    }

e.printStackTrace(); in catch block will give you more details — upog
– upog, Commented Oct 1, 2013 at 11:54
apart from the answers posted you are also updating uo doInbackground which is wrong. Do it in onPostexecute — Raghunandan
– Raghunandan, Commented Oct 1, 2013 at 11:58
But no explanation on what causes the exception because you don't log any. — njzk2
– njzk2, Commented Oct 1, 2013 at 12:03
@Raghunandan I've applyed your changes, but it seems like jsoup can't parse the image URL, because I've tried to setText on a TextView with its URL but it goes blank... Did I something wrong while catching the url? — Pipodi
– Pipodi, Commented Oct 1, 2013 at 12:35
@user2834656 check your jsoup parsing. can you post which html tag you are parsing? — Raghunandan
– Raghunandan, Commented Oct 1, 2013 at 12:54

Niranjan · Accepted Answer · 2013-10-01 13:02:56Z

1

String icon = doc.select("img[src$=.jpg]").first().text();

will fetch the text in <img> tag.

Your code should read as below.

String icon = doc.select("img[src$=.jpg]").first().attr("src");

answered Oct 1, 2013 at 13:02

Niranjan

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BobTheBuilder · Accepted Answer · 2013-10-01 11:55:24Z

0

You can use:

Log.e("ERROR", "PARSING ERROR", e);

In order to log also the message e holds.

answered Oct 1, 2013 at 11:55

BobTheBuilder

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Reimeus · Accepted Answer · 2013-10-01 11:56:10Z

0

connect expects a valid URL. Remove the "[url]" String in the method argument

Document doc = Jsoup.connect("http://www.lolking.net/summoner/euw/42997801")

answered Oct 1, 2013 at 11:56

Reimeus

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waqaslam · Accepted Answer · 2013-10-01 12:00:03Z

0

You cannot manipulate Views inside a non-UI thread - in this case AsyncTask. This might be causing problem:

TextView prova = (TextView)findViewById(R.id.searchedName);
...
WebView summonerIcon = (WebView)findViewById(R.id.webView1);
summonerIcon.loadUrl(icon);

answered Oct 1, 2013 at 12:00

waqaslam

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user2783702 · Accepted Answer · 2013-10-01 12:11:54Z

0

are you giving the permission of accessing internet in android maniefest file like this in your maniefest file

answered Oct 1, 2013 at 12:11

user2783702

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