Android :: Bulding Application - Adding External Jar Files
May 3, 2010
I am building an app on android and running into an error and while searching on net, came across your posting on this and changed the eclipse.ini to increase Xms and Xmx params but still this error does not go away. I am using Eclipse IDE for Java with Andrioid SDK 2.1 on Mac OS. Please help or please point me to someone who might know. Btw, this error only happens when i add external jar files (which i need for my project). here are the list of external jar files that i have in my classpath.)
// httpclient-4.0.1.jar from apache
// httpcore -4.0.1.jarfrom apache
// commons-codec-1.3.jar from apache
//commons-logging-1.1.1.jar from apache
// json_simple-1.1.jar from google ........
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Sep 10, 2010
We are making an application that needs to convert one file format to another. I am not sure whether we can add a JAR file in which we develop the code to convert the file format to our required file format, to our android project.
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Apr 10, 2010
I have created a folder in my project with the weka.jar file, created a new library (adding the weka.jar file to the library) and included this library in my build path. I have also added the library under the "Order and Export" tab in the project properties. I have also tried importing the jar file so that the actual contents of the jar are extracted into a directory in my project. The end result of all of this is that my project is able to build correctly and without error, but when it comes time to run my code on the emulator I get the following exception:
04-10 22:52:21.051: ERROR/dalvikvm(582): Could not find class 'weka.classifiers.trees.J48', referenced from method edu.usc.student.composure.classifier.GaitClassifierImpl. with J48 being the class I reference in my code. Does anyone have any additional suggestions that I may have overlooked?
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Apr 3, 2010
I have a project that I would like to add external libraries to (and have them packaged with the application) but I am not sure it is happening. I read on this link:
http://developer.android.com/intl/fr/guide/appendix/faq/commontasks.html. how to, but they do not show up in any of the /data/data/project directories. Does anyone know how I can confirm that the libraries were in fact added to the project for use at runtime?
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Nov 3, 2010
I need to attach several text files with the apk so that these text files can be stored at SD card when APK is installed. How can I do it?
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Oct 1, 2010
I'm saving files in
sdcard/Android/data/<packagename>/files
the problem is that everytime i download the app to the phone - the folder and it's contents get deleted.
anyway to prevent that.
ideally i would want that to happen only when the user uninstalls.
for debugging and user app upgrades - i'd like the folder and it's contents to remain.
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Oct 11, 2010
I have created a directory and even a file in that directory on the external storage, I am able to read and write into that but the problem is they are not visible on the emulator i.e, in the phone.
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Jan 1, 2010
It'd be convenient if an application I'm writing stored some files to external storage permanently (so they persist after the application has been exited[destroyed]), but on an uninstall I'd like to do the decent thing and have these files removed to free up the storage.
Is there any way I can have these files removed on an uninstall?
If there isn't (and I'm skeptical), then I'll have to create these files each time. I'm trying to save start-up time and also occupy required space by having them exist permanently.
Note: I need to use external storage, so both internal storage or a DB would be inappropriate.
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May 22, 2010
Is there an app that can help me access my computer's files or just make my phone become an external disk over the wifi? if so can u plz tell me which apps or software i need to install?
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Nov 20, 2009
I wanted to be able to use my Google bookmarks on my Droid. I found a program that imports them to the phone, but it replaces everything and I didn't want all those bookmarks in my browser. I exported my Google bookmarks to a HTML file and stored it on my SD card in the download folder and named it bookmarks.htm. I then went into the Droid browser and typed the following URL: content://com.android.htmlfileprovider/sdcard/download/bookmarks.htm
I then created a bookmark of the link.
Now, I open my browser, click on the bookmark, and all my Google Bookmark sites are displayed as links in order listed under their categories.
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Aug 20, 2009
When I connect the phone via USB, syncing works fine. The problem I have is when trying to add files to the memory card. When I try to access it via my PC i get the message "Please insert disk into drive f:......I've tried closing down sync, resetting phone, mounting the sd card, all with no success.
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Dec 3, 2013
OK, here's is my somewhat convoluted question: I am considering the purchase of an android tablet (Dell Venue 32 gb)...I want to take it on a vacation and use it, in addition to GPS and Email, to back up the files from my camera's SD card...Is this a practical idea and what would be the best way to go about it?
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Nov 15, 2012
i have a question regarding playing files on TV via wifi which are located on an external HD, which is connected to TF101. In other words, i have toshiba external drive 500 gb, tf101, samsung ace 2 phone, samsung tv and skifta program. The idea is, connect external drive to tf101, initiate skifta in tf101 and in ace 2 phone and by using phone initiate a movie on TV which is located in external drive? And here I come into a problem, i can play movies on TV that are on my phone, and those that are in TF101, but with skifta my ace 2 does not list movies that are on external drive which is connected to TF101 If i use only TF101 and skifta, i also can play on TV only those files, that are on TF101 but those which are on external HDD are not listed.
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May 6, 2014
I have KitKat 4.4 on my Note 3. I'd like to edit tags on mp3 / FLAC files stored on my 64GB SD card.
Is there an easy way to get this done without rooting and using a PC?
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Feb 28, 2013
I have a Samsung Galaxy Note 2 (US - Sprint) and received the following external memory card yesterday: Amazon.com: Kingston Digital 64GB MicroSDXC Class 10 Flash Card (SDCX10/64GB): Computers & Accessories
I was previously using an old 8GB class 6 miscroSDHC card with no problems. I removed that card form the phone, inserted the new card and formatted it (exFAT). The phone had no trouble seeing 59ishGB of the new card.
I removed the new card from my phone and inserted it into my laptop. The phone had created a folder called "LOST.DIR" but other than that the card was empty. I created a folder called "Music" and proceeded to move just under 8GB of music folders/files to it overnight.
This morning I removed the card from my laptop and inserted it into my phone. I opened the "My Files" app and when I opened the "extSdCard" folder there was nothing there. I removed the card and reinserted it in my laptop and the "lost" and "music" files were both available. I removed the card once again and reinserted into my phone and after about 15 seconds or so the phone rebooted. Once the phone powered on it rebooted again. Once it powered on again it rebooted once more and this time it powered into safe mode. Once in safe mode, I checked for the card and low and behold I could see both folders and I was able to play mp3 files from the music folder.
The phone shows 51.06GB of 59.01GB free on the external card, whether in safe or regular mode. Every time I removed the card from the phone or laptop, I unmounted it first. I've read that Android sometimes doesn't play well with Windows folders, but I've never had a trouble with this on any other Android handset.
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Nov 6, 2012
I normally copy apk files of my needed applications to external SD in a folder, its really difficult to install all of them manually. Is there any app which can automate this process?
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Feb 27, 2013
After moving from 4.1.1 to 4.2.2, the external sd is not mounted anymore. or at least I see it grey in system/storage. I can access all its content via file manager, but thats it.
Now, I have checked the 4.1.1 system, and there I have 2 fstab files, internal_sd and external_sd, the content (stripped of comments):
external_sd:
dev_mount sdcard /storage/sdcard0 auto /devices/platform/omap/omap_hsmmc.0/mmc_host/mmc1
dev_mount sdcard2 storage/sdcard1 fuse
internal_sd:
dev_mount sdcard storage/sdcard0 fuse
dev_mount sdcard2 /storage/sdcard1 auto /devices/platform/omap/omap_hsmmc.0/mmc_host/mmc1
on 4.2.2, the content of vold.fstab is:
dev_mount sdcard1 /storage/sdcard1 auto /devices/platform/omap/omap_hsmmc.0/mmc_host/mmc1
Questions:
1. what to add in vold.fstab so that both cards are mounted?
2. what to modify so that the default one is the external one (I somehow assume that is in the build.prop, but not sure)?
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Nov 5, 2009
Still learning my Hero only had it a few days, it came with a 2gig SD card in it. When I hook the phone up via USB cable the SD card shows up in MY COMPUTER but I cannot open/browse it, I tried the card in my old Samsung E900 and its fine I added my music and other files that way.
I have HTC sync and added some apps I had on PC to the Hero withno problems at all but how to I add other files?
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Sep 18, 2013
is there any way to add/change a file in an official ruu rom?
Like using the old sappimg from the sapphire (htc magic)
if i understand correctly the phone looks at the android-info.txt for version main and on that info it flashes the phone. Correct me if i'm wrong, now we can open those zip files but we can't add or change files in it. I know those files are signed. but there must be a way to mod those files and put them back on the phones. i tried a lot of zip,rar etc utils to modify but all say mode not implemented.
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Aug 18, 2012
is there anyway to add a pic to a music file so that when it is played the pic appears next to the name of the song?
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Dec 29, 2009
I would like to launch an app the user selects from within my application. However, I'm not sure how I'd go about doing this. I've tried this:
Intent intent = new Intent();
intent.setAction(Contacts.Intents.SHOW_OR_CREATE_CONTACT);
startActivity(intent);
But this seems to throw an error and force close my application. I also tried adding:
<action android:name="Contacts.Intents.SHOW_OR_CREATE_CONTACT"/>
in the AndroidManifest file, but to no avail.
A look at Logcat shows that it's an "IOexception - no such file or directory". A couple of questions arise from this. I read through the Android docs and noticed that the Contact.Intents class is deprecated. However, it's successor, ContactContracts is aimed at API level 5 whereas I'm targeting API level 3. Could this be the problem? Also, I've hardcoded this application into the code. Is there a way to retrieve the intents of any application the user selects so that they can be launched?
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Feb 12, 2013
I want to create an application that would display more lines of short text. That is all I want the application to do. For example:
line number one
line number two
line number three
line number four
line number five
Like that. I would like also to set background color. How can I do that? I would like to accomplish that using an external HTML.
I use Eclipse and SDK to develop apps and I am a complete beginner in Java.
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Nov 29, 2013
I am using an external sd card on my Samsung GT-P3110 and using Android V 4.1.1. For some reason the various apps no longer see the folders and music files that are on the card.
I can still see the files when I attach the card to my PC using Win7 and I can add or delete without issues. Apps that are no longer seeing the files include n7player and ES File Explorer. This is only a recent development. For the first five months I did not have any problems with this.
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Dec 3, 2012
I must have changed a setting somewhere. I used to be able to connect my SGS3 to my computer and see the files of both my internal and external SD cards. For some reason now all I can see is my external SD card. I am running a CyanogenMod 10 ROM. I have USB storage activated.
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Sep 9, 2013
I have tried a lot of custom Roms. I'm on Neat ROM Lite now. Not sure which ROM changed my file access permission settings to cause this problem but I'm not able to delete any files from my external memory card. I was able to delete when I was on stock rom. The other problem is for a few apps I get an error message which says can't install on usb/sd card. I have posted this in another thread some time back but got no response.
This is what my file permission looks like.
I am able to delete when my fone is connected to PC via USB. So I don't think it has anything to do with a faulty sd card.
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Jun 15, 2010
I followed all the instructions on the other really long thread. I am having one issue though. I installed SDK and the drivers, that all went perfect. The only issue I am having is with the actual bootanimation.zip. I am thoroughly stuck. After I download a bootanimation.zip it shows up in winrar with 4 files (loading, eye, android, and the desc.txt) I know it has to go in tools. I am just not sure how? Do I add each folder or is there a way to add them all? I also know the name has to be bootanimation.zip. I tried a few different ways and pushed it to my Inc. But I cant get it to boot with the animation.
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Sep 7, 2010
I'd like to start getting my music and pictures etc., on my Wildfire. I've got an 8gb micro-SD card. Question is how does the phone read the card? Do I have to set up folders on the card such as Music, Photos, Videos etc., or do I just pile all my files on the card and the phone then sorts out what's what?
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Jul 25, 2010
I want to know how to add to the default ringtones. I downloaded Zedge and it works great for voice ringtones but I can't get notification ringtones from this. Help.
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Aug 12, 2010
This is my target:
I need an Android application which should be able to fetch data from the web (maybe an .apk or a .jar) and launch "something" from it.
If it's a "trivial" class there's no problem at all. This is my Loader
CODE:.............
The problem is that the code I want to execute looks very like an application, which should have a "simple" view and some interaction on it.
I'm not able to invoke the "onCreate" method of my downloaded class.
I guess I've three streets:
I look for a method which silently install the application and then runs it (is it possible?) I understand how to initialize a second "application" inside my own one (with its own R and all stuff) I write my master program to fetch data from the web and construct pages dinamically.
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Oct 15, 2010
I'm writing an android program to check available space of internal phone memory or external sd card. But i don't know how to do this. how to do it in Android?
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