Android :: Concise Example Of File Upload Via Java Lib Apache Commons
Sep 13, 2010
I've removed my convoluted and badly malformed question so that it doesn't detract from the very neat and correct answer beneath. Given the (surprising) difficulty of finding an on-line example for doing this incredibly common task, I hope Yoni gets a few more up-ticks for his response.
So the question...How do I use Apache.Commons to upload a file to some destination. I'm using it in Android and uploading to a PHP script, but obviously it can work from any Java program and to any HTTP based listener.
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Sep 28, 2010
I'm trying to use the Amazon Web Services java sdk jar but it has references to org.apache.commons.httpclient. All I seem to have in my Android sdk is org.apache.commons.http.client, which is a different namespace and obviously causes the build to fail. I'm new to Java and Android dev... is there a way to "map" one to the other or create some sort of symbolic link? If not, does that mean I have to import a "standard" org.apache.commons library?
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Jan 24, 2010
Where do I unzip commons-io-1.4-bin.zip so that the import statement can find org.apache.commons.io.FileUtils?
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Jul 20, 2010
Is possible to upload a file on apache server using commons-fileuploader jar file in android.
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Aug 19, 2009
How to use apache.commons in my android application.
I put the right import, but when I compile it I get the following error:
: package org.apache.commons.io does not exist import org.apache.commons.io.IOUtils;
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Sep 16, 2009
I am trying a simple send mail application using apache commons library.
Here is the code.
The email sending code is working fine in a standalone application.However when I try to run it as android application
It gave following error message. trouble processing "javax/naming/AuthenticationException.class": [2009-09-17 05:33:20 - Commons]
Attempt to include a core VM class in something other than a core library. It is likely that you have attempted to include the core library from a desktop virtual machine into an application, which will most assuredly not work. If you really intend to build a core library -- which is only appropriate as part of creating a full virtual machine binary, as opposed to compiling an application -- then use the "--core-library" option to suppress this error message. If you go ahead and use "--core-library" but are in fact building an application, then please be aware that your build will still fail at some point; you will simply be denied the pleasure of reading this helpful error message. [2009-09-17 05:33:20 - Commons] 1 error; aborting [2009-09-17 05:33:20 - Commons] Conversion to Dalvik format failed with error 1
I have added mail.jar,commons jars and jndi.jar to the references of eclipse If anybody know a resolution let me know.
CODE:....................
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Jan 27, 2010
I'm using org.apache.commons.net.nntp to connect to a nntp server, however running a simple nntp.connect(host, port) crashes the android.
Anyone got any ideas? Do java packages work with android straight out of the box? or do they need editing?
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Dec 6, 2009
I am writing a ftp client on android sdk 1.5 with apache-commons-net- ftp-2.0. I can successfully connect to my testing ftp server but with I use listFiles() it return an empty FTPFile[].
I put the same code in a normal java program and it works fine. I don't know where is wrong. Any compatible problem when apache-commons- net-ftp-2.0 and android works together?
Here is my test code:
CODE:..................
It is actually 4 files and 1 directory in the ftp root!
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Jul 14, 2010
To enable logging for apache commons HttpClient in normal Java application I used:
CODE:...................
But on android I don't see logs in LogCat.
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May 14, 2010
In the spirit of using existing, tested and stable libraries of code, I started using the Apache-Commons-Math library and its BigFraction class to perform some rational calculations for an Android app I'm writing called RationalCalc.
It works great for every task that I have thrown at it, except for one nagging problem. When dividing certain BigFraction values, I am getting incorrect results.
If I create a BigFraction with the inverse of the divisor and multiply instead, I get the same incorrect answer but perhaps that is what the library is doing internally anyway.
Does anyone know what I am doing wrong?
The division works correctly with a BigFraction of 2.5 but not 2.51, 2.49, etc...
[UPDATE]
This was indeed a bug in the apache-commons-math 2.0 libraries. The bug is fixed in v.2.1.
It is now listed in the Fixed Issues section of the bug tracker:
When multiplying two BigFraction objects with numerators larger than will fit in an java-primitive int the result of BigFraction.ZERO is incorrectly returned..attempting to reproduce the issue and setting me on the right track.
CODE:.....................
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Jan 12, 2010
Today I tried including the apache.commons.codec package in my Android application and couldn't get it running. Android could not find method ord.apache.commons.codec.binary.* and output the following errors in DDMS
CODE:...................
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Jan 27, 2010
How do i import org.apache.commons packages into android so i can use them in my applications?
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Jul 2, 2009
I got one blog which interacts with servlets... Link as follows
http://groups.google.com/group/android-developers/browse_thread/threa...
In that program 2 libraries were used..
1---> import org.apache.commons.httpclient.HttpClient; 2---> import org.apache.commons.httpclient.methods.GetMethod;
When i check these libraries in my program, its show error....how to resolve this error?
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May 17, 2010
I'm new to android, developing a social networking application which requires user to upload images, but i don't know how to achieve the file upload dialog box. How can we achieve it,using Java file or xml layout file?
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Jun 18, 2010
I would like to create a Java-written RESTFul Web Service, possibly using an eclipse plugin.
This service should be consumed by an android application, using the apache HttpClient.
But my question is, which is the best/ideal technology (server side) to implement this kind of web service?
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May 19, 2010
i have two files
App.java
Gallery.java
App. java contains frontend buttons and functionalities Gallery.java lists the imagesin the sd card. i want to call Gallery.java in click event in app.java
App.java
package gallery.display;
import android.app.Activity;
import android.os.Bundle;
import android.view.View.OnClickListener;
import android.view.View;...........
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Nov 14, 2010
I'm a novice user writing my first android application. I have the need to upload a file to a webserver from the device. I googled enough before joining this forum and not at one place did I find a suitable solution. I would like to know how to launch the file browser when user clicks on the "Browse" button to upload a file.
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Jun 24, 2010
I'm new to android i'm searching for load photo to facebook by authorization,getting access_token how to do this please give me a sample code in java.its urgent please help me.
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Apr 17, 2010
Is there anything the Dalvik VM supports (in terms of bytecode) which is not used currently because the .class files don't have it?
As an example, if people would write their own Source-to-DX converter for their functional language XYZ, would they be able to implement e. g. full tail calls although the .class file does support tail calls only under certain circumstances?
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Aug 16, 2010
I do an import of the full package name / java file, and if I do a <classname>.<method>, SOMETIMES I can get it to access - other times I get a lot of can't use a static in a non static bunch of talk. I'll admit I'm new to Java, so what do I need to do? Call a class instance first, then call my methods? I'm rather confused by this, as I want to put all of my 'functions' into a FunctionsList.java file, and all of my main Activity (UI) into a MyActivity.java file.
For example:
<MyActivity.java>
import com.example.FunctionsList;
private class MyActivity extends Activity {
FunctionsList.function();
}
9/10 times I get that static/non-static error. If I put all of my functions into MyActivity.java, I have zero problems!
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Oct 28, 2010
Is there any way to access the value (any constants) from Android.mk file to my java file.
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May 12, 2010
I am trying to upload a file to some url using ssl.
I use this code to set trust manager -
CODE:........
And this one to set host name verifier -
CODE:.........
Then i am opening connection like this -
CODE:......
After i get the connection i use it to upload the data. Is i use http everything is ok but when i try https i get the following exception -
CODE:........
The strange thing is that i don't get exception all the time. When i try to upload small files (200K) it's working O.K. or it's crashing very rare but when i try to upload bigger ones (more than 1MB) i get the exception almost every time.
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Mar 1, 2010
I'm writing an app that uploads files to a web service. My question is how to write a Service to handle this: I want to upload in a background thread (or process not sure of the precise wording), so that the user can go to other applications without interrupting the upload, and show a notification / kill the thread when the upload is complete.I'm guessing it should be a Service, with a Notification to show the user what's going on: but should it be a LocalService or a RemoteService, as per the API examples? And do I need to call a new thread once I start the service, or do all services by definition run in a different thread?
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Apr 20, 2014
I'm try to get my android test app to upload a file to my Synology box cs407.
I've tried it though a HTML form and it works ok
HTML code is:
HTML Code:
<html>
<body>
[Code].....
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Mar 16, 2010
I need to send files as large as 80 MB, but usually in the 15-25 MB several times every day. I use YouSendit, Megaupload and the like on my laptop. Would be a HUGE help if I could simultaneously upload from my Android phone. It has to be able to handle a folder. Basically, a folder full of pictures.
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Sep 8, 2010
I've been trying to upload an APK file to the Android Market for a few days, and the upload process hangs with the spinning icon just rotating. I've let the upload run overnight and it still hangs.
1) The APK file is 28 MB
2) I've uploaded an APK file to the Android market before and it is now for sale.
Is there a way to find out what the error is?
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Jan 22, 2010
I have a function I am using to upload files. How can I get the number of bytes of the file that have been uploaded (transferred)? Can I setup a timer that does this? If so, what variable to I read to get the number of bytes uploaded?
Here is my code:
CODE:....................
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Apr 18, 2010
I need as simple as possible solution for uploading files (eg. photos) to my website from mobile devices (iPhone, Android, BB, Nokia). Is it possible to do it in same way? Using Java or XHTML?
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Mar 18, 2009
I have included my code below. I have the code working for image uploads, but was wondering how to get it to work with audio and video files?
CODE:......................
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Jul 9, 2010
I am developing an Android app which enables the user to upload a file to services like Twitpic and others.
The POST upload is done without any external libraries and works just fine. My only problem is, that I can't grab any progress because all the uploading is done when I receive the response, not while writing the bytes into the outputstream.
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