Android :: Sax Parser Produce No Results After Using InputStream Read / Why Is So?
Mar 26, 2010
I have this piece of code which I'm hoping will be able to tell me how much data I have downloaded (and soon put it in a progress bar), and then parse the results through my Sax Parser. If I comment out basically everything above the //xr.parse(new InputSource(request.getInputStream())); line and swap the xr.parse's over, it works fine. But at the moment, my Sax parser tells me I have nothing. Is it something to do with is.read (buffer) section? code...
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Mar 15, 2010
I'm having problems during the "read" call of the InputStream. The call gives me a "IOException: Software Caused Abort" exception. I'm able to get the BluetoothSocket and also the able to "connect" to the device. My app. is in the client mode and sends in a "x" byte "command" to the device which is then supposed to send me a "response". The expected "response" is also of "x" bytes. This is where the error arises.. While reading the "response" i'm getting the above mentioned error.
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Apr 22, 2009
I have a smaller test case now:
CODE:.......
It works with the Standard SDK, but not on Android. The full code is below this post.
CODE:..........
With Android:
CODE:..........
Full code goes here.
CODE:......................
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Oct 19, 2010
I am managing a bunch of PDF files in an android application maintaining a list of records in a SQLite database as well as storing the pdf files on the external storage. Now I would like to present a thumbnail of the first page of the pdf in my list view as part of each cell representing a pdf. I am aware of libraries like iText, fop.. on the JavaSE side that can render a PDF but I would rather not delve into embedding a large library like that. On a similar approach I would also rather not embed a native PDF viewer like droidreader, apv or vudroid.
Otherwise I could of course also get it rendered on a server via some webservice but that is a lot of headache as well. I am already using intents to get the pdf's displayed for the user so I was thinking it would be great if I could get a thumbnail via a intent call as a result somehow. However I found nothing on the web (e.g. on openintents) that indicates something like that exists. So I am a bit at a loss on what to do? What do you think is the best approach to get these thumbnails into my app? Are there any public intents available? Or did I just totally miss something and the SDK provides features for that already (it should imho but currently does not)?
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May 25, 2010
Kinda like in the format of a class-dump result but in Java, I already have the Android.jar file and I would like to dump a clean listing of classes and methods for each .class file. How do I do this?
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Oct 28, 2009
For my application, I am trying to add entries without having a duplicate entry, and if there are a duplicate notify the user and have him try again. Using SQLite, which I know very very little about, I have tried these two ways and want to know which one is better, more efficient or a better way to develop it? First way:
db.execSQL("INSERT INTO " + DatabaseHelper.DATABASE_TABLE +
"(LATITUDE, LONGITUDE, RATING) SELECT " + latitude + ", " + longitude + ", " + rating +
" WHERE NOT EXISTS (SELECT 1 FROM " + DatabaseHelper.DATABASE_TABLE +
" WHERE LATITUDE = " + latitude + " AND LONGITUDE = " + longitude + ")");
Second way:
long id = -1;
try { id = db.compileStatement(
"SELECT COUNT(*) FROM " + DatabaseHelper.DATABASE_TABLE
+ " WHERE LATITUDE = " + latitude
+ " AND LONGITUDE = " + longitude)
.simpleQueryForLong();
} catch (NullPointerException e) { return -1;
} return id;
The first way, either inserts or ignores the values, I check by doing so, storing the row-count of the rows into a variable before the call, call that function, and then check its results. If the results is not higher than it was before the call, the insert was made ignored, prompt the user with the 'values exist' message. (Very sloppy, I know but desperate times calls for desperate measures). The second way, returns the actual count of rows that match the numbers I want to store, if the number returned greater than 1, prompt the user with the 'values exist' message. I have been going back and forth, trying different ways but I do not know how to set up SQLite to have UNIQUE pairs, which I was told would be the easiest.
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Nov 15, 2010
Something's missing. I've failed the setup. Incoming gmail should produce an alert of some sort, and it's not happening. I haven't found the button, switch, trigger, or ?? to do it.
The mail is on the phone, but new mail should alert me. It doesn't.
Obviously, it's part of google's IQ test - and I didn't pass.
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Jan 14, 2010
I have asked this before, but I never got a response.
I would like to be able to feed an InputStream to the media player, but it does not look like there is any way to do that. The InputStream would feed encoded (mp3 or aac) data to whoever is calling read() on it. The issue is that I may have to stitch data together or I may not have all the data at the time I need to start playing back, but I can get it as the user continues playing.
I see MediaPlayer.setDataSource() for files, streams and URIs, but nothing that seems like an InputStream. I see the JetPlayer which is incredibly thin on documentation. I see AudioTrack, but that requires PCM as input.
So, I'm back to what to use or how I can work around this limitation.
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Nov 5, 2010
I connected to a server after then, to close InputStream and OutputStream call the code...
But, the streams is still alive. If I make once again, there are 2 different InputStream. Exception does not happen.
How to completely close the streams?
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May 18, 2010
I am trying to parse a Rss2.0 feed on Android using a Pull parser. code...
The prolog of the feed XML says the encoding is "utf-8". When I open the remote stream and pass this to my Pull Parser, I get invalid token, document not well formed exceptions.
When I save the XML file and open it in the browser(FireFox) the browser reports presence of Unicode 0x12 character(grave accent?) in the file and fails to render the XML.
What is the best way to handle such cases assuming that I do not have any control over the XML being returned?
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Aug 13, 2010
I have a binary file which contains keys and after every key there is an image associated with it. I want to jump off different keys but could not find any method which changes the index positioning in input stream. I have seen the mark() method but it does not jump on different places.
Does anybody have any idea how to do that?
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Nov 12, 2010
Is it possible to get an InputStream (or file handler) to feed a SAX parser from an XML file stored at the Resources XML folder (instead raw Resources folder)?
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Feb 26, 2009
In my Android program, I have some code that downloads a file. This works fine, but since on a cell phone, you can be disconnected at any time, I need to change it do it reconnects and resumes the download when you are halfway through and somebody calls/you lose cell reception/etc. I cannot figure out how to detect the InputStream has stopped working. See the code...
And then my program just hangs on the while( (len1 = etc. I need to make it so when the Internet gets disconnected I wait for the Internet to be connected again and then resume the download.
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Oct 31, 2010
I would like to know how to make a deep copy of an InputStream?
I know that we can do it with IOUtils packages but I would like to avoid it if possible.
Does anyone know how to make it please?
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Apr 8, 2009
For one of my apps I generate MIDI data on the fly. Is there any way to play MIDI data from a java.io.InputStream or directly from a byte []? So far I've only seen ways to do MIDI playback from files. Given the continuous and dynamic nature of my audio there is no way I can write it to a file first.
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Jun 29, 2010
How to pass socket, inputstream, outputstream objects between activities
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Sep 18, 2009
Hi,
Is there any api on android which generates a Thumbnail image from an inputstream which is a video file?
Thank you.
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Jul 10, 2010
Doing Android 2.1 development. Can anybody explain to me why the following code generates a IOException and doesn't load the file? This exact code used to work, and as far as I can tell, it should still work. For reference, the Log.d() command correctly lists all files that I expect, and the files are correctly zipped into my .APK file.
CODE:........
Any ideas on why this breaks now? The files I'm trying to read are tiny (couple of bytes) binaries.
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May 20, 2010
My input is a InputStream which contains an XML document. Encoding used in XML is unknown and it is defined in the first line of XML document.
From this InputStream, I want to have all document in a String.
To do this, I use a BufferedInputStream to mark the beginning of the file and start reading first line. I read this first line to get encoding and then I use an InputStreamReader to generate a String with the correct encoding.
It seems that it is not the best way to achieve this goal because it produces an OutOfMemory error.
Any idea, how to do it ? code...
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Oct 9, 2009
The the client side of a content provider consumer I can do something like this, to get a proper InputStream for reading the picture: InputStream is = getContentResolver().openInputStream(pictureUri);
It is a nice API, and will on the server side, the actual content provider result in a call to:
CODE:.......
But what if the picture mapped to the URI is not to be found on the filesystem, but as a memory resource, or generated on the fly.
Can I create a memory mapped File or InputStream, or anything else, so that I am not required to save a temporary file to disk, just to be able to return it to my content provider consumer?
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Aug 30, 2010
I'm building an android app and I'm currently having trouble retrieving a bitmap from an URL.
Here is the code I'm using :
CODE:..........
Everything works fine when the picture's write but when some bytes are wrong, result gets null. I think it's basically expectable as it's written this in the doc of BitmapFactory.decodeStream :
If the input stream is null, or cannot be used to decode a bitmap, the function returns null. The stream's position will be where ever it was after the encoded data was read.
The problem is, my wrong picture is well interpreted by my web browser and I can do so on iPhone platform.
Is there a way to sort of ignore those wrong pixels? maybe with the option parameter?
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Aug 7, 2009
If anybody know how to do XMl parsing.
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Oct 7, 2010
I have wrote a ContentHandler for SAX parser to retrieve data from and xml file, but it does't work on 2.1-update1, but works fine on 2.2, What is on earth is the changes, anyone knows?
The problem I encountered is exactly the same as stated at: http://code.google.com/p/android/issues/detail?id=11223
----
*Reported by m.de.kwant, Sep 14, 2010*
My application uses a urlconnection to retrieve a soap response. This XML is run through the default saxparser available in the java/android lib.
In android version 2.1 the XML is not parsed correctly. I fact there seems to be no parsing at all, while the raw input is available.
In android version 2.2 the input XML is parsed and the return result from my handlers is correct.
In short. SaxParser on 2.1 does nothing (no result, no error, no parsing), Saxparser on 2.2 works like it supposed to work.
Are there any work arounds for this problem ?
*Comment 1 by project member e...@google.com, Sep 14, 2010*
you can have a look at the differences between 2.1 and 2.2 yourself.
Status: Declined Owner: e...@google.com Labels: Component-Dalvik Delete comment Comment 2 by jiangjun.jking, Today (95 minutes ago)
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Oct 10, 2013
I am developing a C++ module for Android and needs to do some XML formatting of messages.
Is there a way of doing XML parsing using C++ in Android?
I know that JAVA has XML class to do parsing. But unfortunately i will not be able to use that as am doing the development on C++.
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Nov 22, 2010
I'm using a SAX Parser where it is not recognizing. symbols that am getting from it, but when I save the file instead of parsing through a parser they are seen in the file. My xml file is of utf-8 format.
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Mar 13, 2010
When I run my application the following error will occur sometimes, but only sometimes. Can you explain why it occurs only occasionally and what the solution for this is?
The error message is:
CODE:...................
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May 20, 2010
I'm trying to extract n0Y7ezLlIYA8R0K54rEmHaTOraBQVSPDjQaGlQxlGso4jdVN1kRxtcfskEs= using w3c dom
[CODE]
I got it to work but it seems a little bit clunky.
[CODE:]
Is there a prettier way to get the token?
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Oct 27, 2010
I need to implement an xml parser and the parsed result into an expandablelistview.
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Oct 12, 2010
I am trying to implement a robust RSS/Atom reader for android, and since Xerces won't compile I am struggling to find an alternative. I am using org.xmlpull.v1.sax2.Driver(), however this just wraps a DOM parser with SAX callbacks. Is there anything comparable to Xerces on Android?
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Feb 3, 2013
I have to develop one android application.
Its performs the attribute value is display on listview...
This is my xml tags:
Quote:
<root>
<Categories>
<Category name="books">
[Code]....
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