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POAndroid app fails to connect to interenet on some devices, but not others
 

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  1. POAndroid app fails to connect to interenet on some devices, but not others
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    <p>I'm writing an application that has several features which use HTTPConnection to connect to the internet and download data. I have tested on several devices, but the connection inside the app seems to be hit or miss on different devices. I be;lieve that the connection did not work on Samsung devices. I'm thinking that because it is not yet an "official" licensed application, that the connection is failing. Could it be some sort of OS difference?</p> <p>The code below is supposed to connect to the internet and download words to a file. It works on some devices, but on others it ends up creating a blank file with and throwing an exception. </p> <pre><code> try{ URL url = new URL("*" + currQuickList + ".txt"); URLConnection urlConnection = url.openConnection(); urlConnection.setUseCaches(false); int i = 0; // Read all the text returned by the server BufferedReader in = new BufferedReader(new InputStreamReader( urlConnection.getInputStream())); String str; int count = Integer.parseInt(in.readLine()); int[] a = createOrderedList(count,quickListLen); int d = 0; int g = 0; while ((str = in.readLine()) != null &amp;&amp; d &lt; a.length) { // str is one line of text; readLine() strips the newline // character(s) if(a[d] == g) {words.add(str); d++; } g++; } in.close(); OutputStream fo = new FileOutputStream(dir); PrintWriter p = new PrintWriter(fo); p.print(packageWords2(words) +"\n"); p.close(); fo.close(); System.out.println("file created: "+dir); //files.add(wordText); } catch(Exception e){ e.printStackTrace(); errorDialog(e); } </code></pre>
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    1. USChristopher Lee Pauley
    1. USChristopher Lee Pauley
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    1. COWell you probably have an error in your code but without it we cant tell you anything.
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      1. POAndroid app fails to connect to interenet on some devices, but not others
      1. USfonZ
    2. COI agree with @fonZ, could you provide your code?
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      1. POAndroid app fails to connect to interenet on some devices, but not others
      1. USdm78
    3. COYou'll need to be more specific, for example capture logcat logs from the non-working devices. As a totally random guess, if you failed to do your networking on a background thread, it could fail on newer devices but (at least in easy cases) work fine on older ones.
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      1. POAndroid app fails to connect to interenet on some devices, but not others
      1. USChris Stratton
 

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