Android :: IOException While Reading A Raw Resource
Aug 13, 2009
I'm running into a strange problem while reading from an InputStream on the Android platform. I'm not sure if this is an Android specific issue, or something I'm doing wrong in general.
The only thing that is Android specific is this call:
CODE:........
This returns an InputStream for a file from the Android assets. Anyways, here's where I run into the issue:
CODE:........
When the read() executes it throws an IOException. The weird thing is that if I do two sequential single byte reads (or any number of single byte reads), there is no exception. Ie, this works:
CODE:........
Any idea why two sequential single byte reads work but one call to read both at once throws an exception? The InputStream seems fine... is.available() returns over a million bytes (as it should).
Stack trace shows these lines just before the InputStream.read():
CODE:........
Changing the buffer size to a single byte still throws the error. It looks like the exception is only raised when reading into a byte array.
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Apr 16, 2010
I'm porting to Android. My existing project has a ton of resource files that I'm porting into my Android project. I have them all in /res/raw/, and I would like to access those resources in my native library with functions such as fopen() and such. Can this be done, or do I have to go through JNI for this as well? I would really prefer not to, for ease of porting and possible speed and memory reasons.
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Aug 3, 2010
I have an XML resource file:
<resources> <section>
<category value="1" resourceId="@xml/categoryData1" />
<category value="2" resourceId="@xml/categoryData2" />
<category value="3" resourceId="@xml/categoryData3" />
</section> </resources>
Using XmlPullParser, on the START_TAG, I can use:
int value = parser.getAttributeIntValue(null, "value", 0);
to get values 1, 2, 3...however:
int resourceId = parser.getAttributeIntValue(null, "resourceId", 0);
doesn't work...it just yields the default value 0, or whatever I change the default value (3rd parameter) to be. Does anyone know what I am doing wrong or if this is possible?
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Mar 18, 2010
Got IOException in android?
CODE:..............
why i got it?
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Apr 25, 2009
I'm trying to parse an XML file from res/raw or assets/ using the javax SAX parser. When the file is too large (~ 1MB), the parse(...) method throws an IOException without further information, such as message or inner exception. When I reduce file size to e. g. 600 kB, it's working again.
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Aug 7, 2010
I have just started with Android development, and facing one issue in the android application.
When application tries to read the data from file (raw resources), it throws IOException on readLine() function. code is as below:
CODE:.............
The reader.readLine() function is throwing the exception. Do I need to mention any kind of additional permission for reading the file?
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Jul 29, 2010
I am trying to get the geo codes for an address.
I am using: Geocoder geocoder = new Geocoder(GeoNoteEditor.this, Locale .getDefault()); List<Address> addressList = null; addressList = geocoder.getFromLocationName(addressString, 1);
The problem is that I am getting an IOException sometimes when I call getFromLocationName for the same addressString. This does not happen all the time. When I get the IOException, if I repeat the getFromLocation call, sometimes it works sometimes I get the IOException again.
How do I prevent the IOException from happening?
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Jul 29, 2009
I'm trying to write a basic application with http get request. Eclipse validated my code, but when I using IOException in Android console I have this strange messages:
CODE:...............
And my application doesn't load into the emulator.
This is my code:
CODE:..................
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Jan 18, 2010
The code below works perfectly for real devices running on 1.5, 1.6 and 2.0 as well as the emulator running on 2.1. However, executing it on the Nexus One (running 2.1) raises an IOException:Code...
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Apr 21, 2010
I'm able to discover devices which r bluetooth ON from my application. But when i try to connect using the Bluetoothsocket's connect() method, I'm getting an IOException: Connection refused.
I'm using the following UUID private static final UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
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Oct 26, 2010
I am trying to upload a image file to server and get back a JSON Object. But an IOException was thrown out. Following is my codes, can anybody have a look at them?
CODE:.....................
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Feb 15, 2010
I'm using Windows 7 Ultimate 64 bit edition and Eclipse 3.5 with the Android plugin. Every time I create a new project and try to publish it, I get an error like this:
CODE:............
The emulator is working perfectly, adb can see it, I can even logcat from it, but it can't push or pull anything from it. Nothing appears in logcat to suggest the emulator even received any command. It doesn't matter if I have the Firewall on or off, or if I try invoking adb install to bypass the plugin. Nothing works even with a blank app.
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Oct 5, 2010
I am getting this log COntiniously in my class, Can any body suggest me how to handle this SSLSocketIMpl handshake in 2.1,
I found that this is known issue in froyo. 8558.
CODE:...............
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Nov 20, 2009
Running Eclipse on Ubuntu 9.10, connected real HTC Dream which works just fine on another (Windows) machine.
CODE:.....................
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Aug 6, 2009
What is the preferred way of reusing a MediaPlayer when using resources? My try looks a bit ... too complicated... so maybe I should be happy to see that it didn't work. (I run the Android 1.5 SDK and emulator.)
According to this thread my problem may be a permission problem. http://groups.google.se/group/android-developers/browse_thread/thread...
I get the same error. But in my case it only occurs when I use FileDescriptor!?! The use case differs however, because I use a resource stored in the bundle. I have s0.mp3 safely stored in the project /res/raw and it successfully plays when I use SoundPool or MediaPlayer.create. And the log print tells me I referenced the correct file and stay safely in my package.
I'm sure my way of getting the fd out from a package resource is the problem, I didn't find any other way... But why didn't setDataSource throw the exception instead of a printout? And why on earth is the same resource happily played one way but not the other? Seems like a design flaw rather than a security raise. Should I look in the MediaPlayer.create code to see how they get around the problem or can you help me understand how it works?
This is a test code snippet: (from onCreate of a simple Activity)
CODE:...........
And the error:
CODE;..............
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Dec 10, 2009
Is there someone troubled the same issue.
The code in run.
CODE:.............
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Sep 8, 2009
I am trying to write a sample program to record the video (say camcorder application). When i run my program using the emulator (I have android-sdk- windows-1.5_r3) I see java.io.IOException: prepare failed. error in logcat output.
Further I can see that I have came across this error when i call MediaRecorder.prepare() from CamcorderActivity.surfaceCreated() But I am surprised to see that activity got launched and I am seeing the camera preview! Again the preview is seen only in half of the screen! Its weird!!!
Further when i do recorder.start() to record the video I get java.lang.IllegalStateException. Yes this is obvious since the prepare () has failed. But the question is why prepare() has failed ?
Here is my code ... package com.example;
CODE:................
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Jul 21, 2010
I have a method that I use to get the auth token for a user. I have been using it for months with no problem.
All of the sudden today it stated failing with: IOException java.net.UnknownHostException: Host is unresolved: www.google.com:443
The manifest contains <uses-permission android:name="android.permission.INTERNET" />
The code has not changed since it worked. It is:
CODE:...................
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Aug 31, 2009
I am trying to send a GET via Android's HttpURLConnection (which is an org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnection), and upon receiving the response, an IOException is thrown:
in doRequestInternal(): "Received authentication challenge is null"
What does this error mean, and what is causing this? I am writing OAuth parameters to the Authorization header, but I do this on other occasions, too, without problems.
CODE:.............................
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Jun 17, 2010
Every time I try to run an Android project from Eclipse with the Android plugin (Run -> Run), the emulator starts up just fine, but the upload fails, and the Console puts out this error message:
[2010-06-17 08:17:55 - HelloAndroid] Failed to upload HelloAndroid.apk on device 'emulator-5554'
[2010-06-17 08:17:55 - HelloAndroid] java.io.IOException: Unable to upload file: Local file doesn't exist.
[2010-06-17 08:17:55 - HelloAndroid] Launch canceled!
It seems as though the apk compilation is failing, but there are no other errors in the Console at all except for a lone warning about the project not specifying an API Level requirement:
[2010-06-17 08:17:55 - HelloAndroid] WARNING: Application does not specify an API level requirement!
[2010-06-17 08:17:55 - HelloAndroid] Device API version is 8 (Android 2.2)
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May 29, 2009
My calls to getFromLocationName() always fail the "first" time I start my app. I catch the IOException which has reason:
Unable to parse response from server
Then I make a second call and it succeeds. Once things are "awake" all future calls to getFromLocationName() succeed, it's just that first one, and there is a ton of latency.
I haven't run this on a device yet, just in the emulator. This seems like a network problem, but it is so reproducible I'm thinking I'm not initializing something properly. I'm using Android SDK 1.1.
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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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May 6, 2009
I am trying to see if user applications can READ the framebuffer e.g. / dev/graphics/fb0. I find that there is a permissions flag "android.permission.READ_FRAME_BUFFER", but there is no API, which can be used to grab the frame buffer.Is there a plan to provide an API for reading the frame buffer in future android releases?
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Jun 22, 2009
I am reading the following URL to test a RSS parser. http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/uk/rss.xm
When using the same code on a Android HTC phone the whole resource cannot be read. There are no exceptions being thrown. I am guessing the rss.xml is too large to be read in? I use a sax parser after the block of code which complains. Code...
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Jun 18, 2010
Say I'm on cnn.com and I'm driving and want to hear the text.
Is there an application that will do this?
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Nov 16, 2008
1. Compose a new message in GMail. (If you are still without a GMail account, request a GMail Invitation code)
2. Attach any PDF or Word document that you want to convert to HTML You can attach multiple files in this step by clicking Attach another File.
3. Enter your own email address in the To: box and click send.
4. You instantly receive a message in your GMail Inbox folder. Open the message and automatically it will view your PDF attachment as HTML.
5. The contents of your attachment appear as HTML in a new browser window without having to download the file. When you're finished reading the attached file, close the new browser window to return to Gmail.
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Aug 12, 2009
If i have a apk file and want to know the package name and class hierarchy, how do i do it?
Suppose I have some sample APK file named "SampApp.apk" which contains classes inside "com.android.sampApp".
Is there any tool in Android SDK which shows the package name when APK file is passed as a parameter.
As the Class files are compressed to dex file I am not able to check the actual package name.
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Sep 18, 2010
all in my application I want to read data from web page. if data at web page is upto 800kb then I am able to read it succesfully, but if data is larger then I get OutofMemoryException.I think it is because I am using condition as while ((inputLine = in.readLine()) != null) and in phone there is not much memory to read such a long string. I think I must have to read some part of string then write that part into some file in phone and read another part of string and write into phone but I don't know how to do that? Please help me solve this issue.
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Jun 28, 2010
From different post i have concluded that insertion, deletion and updation in Calendar is only possible by using g-data.
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Oct 31, 2009
I am facing some problem during reading data from socket If there is some null data in socket stream so the DataInputStream would not read the full data and the so at the receiving end there is exception for parsing data.What is the right way to read the data from socket so there is no loss of data at any time ?
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