Android :: Any Application For Handling Large PDF Files?
Jul 20, 2010
I am looking for an application that can handle large PDF files smoothly. I have tried adobe reader, pdf viewer and RepliGo. They were not very impressive, therefore I have come here for suggestions. Repligo reader I think was better out of the three but I couldn't view a PDF file that had scanned images on it. Was hoping someone could recommend an app that could handle large PDFs and PDFs that contained scanned images.
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Jun 10, 2009
I am working on an android app that needs to act on a few data files totaling around 30MB. I put together a test and the emulator failed with OutOfDiskSpace. Debugging on a device failed with even a smaller data size. After reading through the google groups, it appears that the application size limit isn't stated anywhere and nobody from google has been forthcoming with specifics about this. Given that there are iPhone apps that are over 100MB in size, putting such a small limit on Android apps seems weird, except just for the fact that you have a relatively small amount of total available app storage space (< 100MB).What techniques do you use to deal with this limit? If you have an app that needs more than 10MB, do you put it on a web server and deal with downloading it the first time? If so, how do you handle access control so that only your app can get the data?
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Oct 23, 2009
I want make it support multiple screens(small,normal and large).I am 100% sure the all of layouts are working perfectly now, but large screen,the problem is that all XML files of layouts in layout-large can't load,The platform always load default XML file(these are under layout folder) at large screen environment.
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Sep 14, 2010
I've been studying the screen support of Android and yes, while it is flexible, I still don't see how you can support a "really large" screen like the Samsung tablet is going to have. I think no matter what you end up with lots of wasted real estate. The problem is the Android doesn't automatically "scale up" your application if you run in compatibility mode - rather, it fits it into a postage stamp instead. Because of this, how can you really make an app that will "never" have some postage stamping at all, unless you use all 9patch drawables and Absolute Layouts? (Well, you could draw the GUI yourself, which is what my Reloop Sequencer does). As an example, my drum machine app, Electrum Drum, has a certain layout for the buttons and pads. Now, on a larger screen, it would be nice to just make all the buttons and pads bigger. I need the same layout relationships between all the elements though. Basically I just want a "scaled" up version of the UI. Maybe I can achieve this with 9patch drawables and relative layouts? The issue is I could certainly make "large" graphical elements (if not use a 9patch drawable) but there is no way for something, for example, to know that hey, I have LOTS of space I can use.
Let's say for example, that you want a completely different layout on a tablet - say you want more buttons, etc, on your layout now. You can't do it because there is no way for the android app to "know" that this "large" screen is actually larger than "large". A Droid X probably reports itself as large, although the screen is only 4.x inches or so, where you would not have room for those extra buttons. This is no where near as large as 7" or 10", even at a pixel density of 170 or 240. I think the default behavior would have been better to scale up images in compatibility mode, and if the dev could provide higher res images then it would use them of course (put them in the large high dpi folders), but I don't see how a layout itself can scale correctly in really large cases like a tablet. We need some better explanation of how to handle these cases. I still don't understand how a normal app is going to be enabled to scale up easily. It would have been easy if Android would have just "magnified" the view, but it doesn't.
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Aug 31, 2010
I have an Android application which handles a particular type of file. It registers intent filters for both the MIME type and the filename pattern. This all works fine from file managers; I select a file, I get prompted with a list of actions applicable to the file, my application is on the list, I select it and it works.
However, this doesn't work when I beam a file to the device via Bluetooth. The file gets received and is correctly downloaded, but selecting the file from the transfer page does nothing (although I can still use a file manager to find the downloaded file in /sdcard/downloads/bluetooth and run it from there).
The log contains:
CODE:.......
(The name of the file here is foo.app.)
It looks like it's deciding that the file has no MIME type and is giving up, rather than broadcasting an intent asking for a filename-based match.
This is on Froyo on an HTC Desire, and I know that HTC have been tinkering with the Bluetooth stack (as stock Android doesn't allow arbitrary files to be beamed to the device). Does anyone know how I can make this work? Beaming .jpg and .png files works fine...
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Sep 29, 2010
Apparently you can't have a file in "assets" larger than 1MB (except for certain file types) because it's considered too large to uncompress. But I'm finding mixed info about how to circumvent this limitation. Some say that you can put the files in "raw" and avoid the limitation but others say that files in "raw" are compressed too.And there's the -0 aapt option that can be used to turn off compression for certain file types, but there's no way to specify aapt options in Carbide. I realize that I can break the file into pieces, but that's error- prone on both ends.And using one of the known uncompressed file types not only confuses things but also runs the risk that the Android PTB will decide to start compressing that file type.
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Jul 30, 2010
I want to upload files on a web server in my android app.Currently i am able to upload files around 5mb from the device but more than this gives a outofmemory exception and also makes app very unstable.i am looking for a method using which we can upload the data in the app background plus of bigger size.
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May 1, 2010
I'm using the stock Android 2.1 gallery to view images. I have a large JPG image (approx 7000x7000 pixels) of bicycle route map for my city. I tried zooming and scrolling with the gallery image viewer, but it cannot zoom in close enough to read the map detail.
Is there a better image viewer app out there that is good for zooming and scrolling large JPG images?
I would like to use Google maps, but the bicycle route mode still does not work in the Android app.
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Jul 14, 2010
I've tried downloading/transferring several files to my incredible over 3g. Tried downloading a couple times through the stock browser and also i've tried downloading through dropbox but every time the download gets randomly interrupted sometime between when 20mb - 100mb is done. I am not getting any calls or texts or anything that would interrupt it - it seems like the phone is going to sleep in the middle of the download or something. The files I am trying to transfer are approx 200mb .MP4 files and .MP3 files. Anyone know how to fix this problem and/or know of an app that will let you download or transfer large files from my home computer or from HTTP through my web host? On my BB Storm I had to use opera browser to download large files so maybe a different browser would work?
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Jul 9, 2010
i have a severe problem with eclipse, where i need to compile a somewhat larger class. by "larger" i mean, the class has about 5000 lines of code... problem is that on saving this project, eclipse takes several seconds (30-40) to "build the workspace". to be exact, it says "50%" and keeps saying that for 30-40 seconds. then, it breaks with the following error:
[console]:
[2010-07-09 15:28:39 - Dex Loader] Unable to execute dex: null
[2010-07-09 15:28:39 - myProject] Conversion to Dalvik format failed: Unable to execute dex: null
[problems window]:
Conversion to Dalvik format failed: Unable to execute dex: null this error is reproducible and keeps popping up until i comment out several thousands LOC, so that the file still has this 5k LOC, but ~2000 of them are comments. THEN it works...
i know that 5000 LOC are no really good programming style, but i need to do it this way for now ... (i have to write this much records to a sqlite database and since sqlite doesnt feature multiple sql-queries in one rawQuery-command i have to execute a single rawQuery() for each and every data record i need to push into the db.... - until i write a file reader to read this data from a file (that needs verification etc)), i'm stuck with this solution...)
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Jul 2, 2010
I was wondering if the Android had any limitations that would prevent 300+ MB's worth of videos to be included in the application?
Currently, I have several iPhone apps that do this, and due to demand, I am looking at the possibility of porting them over to the Android.
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Nov 24, 2010
There I'm looking to create a custom call application. i.e I want to replace the default application handling call I'M SURE THAT I WANT TO REINVENT THE WHEEL Sometimes current wheels are ain't good for me. Can you put me on a start up line. I used to be a married to M$ ".net developer", and I'm in love with gOOgle.
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Apr 8, 2010
Please could anyone suggest an approach for transferring a >2MB video from a ContentResolver into a Bytestream, without running out of memory?
See question: http://stackoverflow.com/questions/2599305/android-outofmemoryerror-w...
Here's the current code, which throws an OutOfMemoryError on the byteBuffer.write(buffer, 0, len) line when transferring large videos:
// get bytestream to upload videoByteArray = getBytesFromFile(cR, fileUriString);
public static byte[] getBytesFromFile(ContentResolver cR, String fileUriString) throws IOException { Uri tempuri = Uri.parse(fileUriString);
InputStream is = cR.openInputStream(tempuri);
byte[] b3 = readBytes(is); is.close(); return b3;
}
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Jun 21, 2012
I'm looking to make a large library of files available through an app. (nearly a 3gb folder and growing.
User would download the APP and then have access to an ever growing library of files they can then choose to download whatever they want from it.
Can this be done by a simple RSS reader?
I don't want the files available to anyone without the app installed. It would only be a text list of the files, clickable to download.
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May 12, 2012
How to download large files over 100MB by phone.
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Dec 22, 2009
I've been havng trouble emailing pictures with my HTC hero ("unable to send mail" notices) and wonder if others have had similar experiences. The problem seems to be worse with anything greater than the lowest resolution. Even 400kbyte pictures are a problem. I assume this is just a file transfer problem, not a camera app problem (the app from which the file is mailed). Mails w/o attachments go thru 100% of the time.
I spoke with someone at sprint today, and the first thing they told me was that I need to have at least three bars of signal strength, then I was told that higher resolution pictures can't be sent from the hero.
Given that Sprint does not have more that two bars in most of northern new jersey, this is a bit of a problem. If this is true, I don't think they should be calling this a data service.
For the most part, internet browsing and even video like youtube and TED work fine, and most the time I can get an EVDO connection.
Playing with it a bit, it looks to me like the issue is maintaining a solid data link to upload the file. I'd expect better with a TCP/IP connection, as I've had some experience designing that sort of thing. Late at night, if I get two bars and set the phone down so the signal strength does not waver, I can generally send even a 5 mpixel picture that's nearly 1000k.
I've tried this with the mail set to allow up to 1000k transfers and with no limit on transfer size, and that has no effect.
Some specific questions I have are:
1) Are others having this problem?
2) Anybody have a solution?
3) Anybody notice if it's network congestion related?
4) Anybody know anything about messing with the TCP/IP settings like timeouts and retrys to hold a connection on a spotty rf network?
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Jul 26, 2010
I want to be able to upload my large 100mb recorded hd video to youtube via carrier's 3g connection instead of wifi when I don't have wifi available. It pops up with a message saying you must be connected to wifi in order to upload large files. Anybody know how to enable this feature?
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Nov 3, 2010
I Have some long videos (2-5 minutes). I have tried sending them through email, and tried uploading them directly to facebook. When I try this it says the file size is too large. How can I get them to facebook?
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Mar 23, 2012
I've been watching my battery life recently as I hate my phone dying during the middle of the day and was wondering if battery life would be affected by playing large music files?
I listen to spotify quite a bit and haven't really noticed my battery severely affected by playing music for a long time but this week I was listening to a podcast which was 160MB (2Hr music podcast if you were wondering) and my battery life plummeted. This would also correlate then to why my battery life plummets when listening to other large podcasts.
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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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Oct 5, 2010
I have layout issues in my application on Samsung Galaxy Tab. It has a 7" TFT display with 1024x600 resolution.
Galaxy Tab prefers images in "res/drawable-hdpi" to the ones in "res/ drawable". That is understandable. However resources in "res/layout" are used instead of the ones in "res/ layout-large". Does it have a logical explanation? Or what am I doing wrong?
What is a large screen for Android?
CODE:.......................
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Feb 11, 2010
I am in need to write an application for Android devices that needs to access a large (~200MB) database.
What would be the best way to do this? Can I just stick the database in the assets folder? I have read of various limitations that apply to the entire application size and to individual resources within, especially on some devices... What are exactly these limits?
Is there any way to do this apart from a post-installation download from an external server?
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Oct 2, 2010
I've had a look at the existing PDF readers,
I've tried Repligo which amazingly doesn't seem to allow full screen, and also seems a little - blurry? At least it remembers what page I'm at.
The Adobe reader seems to render oddly when I zoom in - doesn't remember where I am in huge files when I close the program, and is generally really short on options.
I'm used to Goodreader on the iphone - that had cropping, you could lock your zoom level so you could freely scroll around without having to readjust for columns - it was just really good. Is there anything like that?
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Jul 13, 2010
We are supposed to cache textual and audio data in our application until device is booted or maximum of two days, whichever happens earlier. To get a perspective on data to be cached, note that we are to store about 200 text headers containing around 10 fields, each of length 30 bytes and about 20 sound files each about a minute long.We are getting the textual data by parsing XMLs and then we keep them in ArrayLists. The sound files are directly written inside the app storage using File I/O (and not on SDcard or Apps Cache directory).This application is to be run on devices running Android 1.5 or later.I understand, and please correct me if I am wrong, that we can cache the files either on SDcard or inside the application or inside applications Cache directory.
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Oct 30, 2010
I have a new Galaxy S. If I go to Market and install an application, everything is done automatically without giving me options.
So, my questions:
a. What is/are the files that are downloaded?
b. Where are files saved to?
c. What happens during installation? Is there just one binary? Or a binary with lots of other files? How can I find out the files that belong to a particular application.
If it is a paid application, how can I save it so that I can reinstall again. I am having so much trouble learning this new phone that I have to restore it to factory state already twice on the first day.
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Sep 20, 2010
Will Android Phones or Apads ever have an Application that allows the user to EDIT a pdf file, not just view or read it?
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Jul 16, 2009
When I added the JExcelAPI http://jexcelapi.sourceforge.net/ to the class path and run my app.
I get: trouble writing output: shouldn't happen [2009-07-16 14:32:19 - xxx] Conversion to Dalvik format failed with error 2.
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Sep 6, 2010
What will be the best storage choice for an application with huge amount of mb in media? The application will not be in android market.
First choice was to use assets/ folder. At least, 160MB of audio is shipped with the application. When I moved all the media to the assets/ folder, I end up with:
"Conversion to Dalvik format failed: Unable to execute dex: null"
And reading: http://code.google.com/p/android/issues/detail?id=2328 suggest me that maybe it's not such a good idea to ship all the media in an .apk file. I think that the problem has nothing to do with large .java files, as it arises when I copy the bunch of audio to assets/.
I was thinking in using the sd card storage. But, I don't want the user to accidentally remove the media files. I want it to be private, not accesible to possible deletions. So, another approach is to use the private storage and download the media in the application first run, or something like that.
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Oct 14, 2010
I've created an application which uses around 15 small audio files. Right now I'm using mp3 files and each is around 200KB. These files are stored in my res/raw directory. I'm using SoundPool class to play the files in my application. I'm hoping to put this application on the android market place. Can one of you suggest what is the best way to store so many audio files? Will my application be scalable? Is wav or ogg format better approach instead of mp3? Please let me know.
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Sep 11, 2010
I m designing a big android application, where there are XMLs to store temporary data, images captured by camera and other details. Which is the best way to protect them from outer access from phone or from PC. XMLs can be encrypted. And images too, however there are times when they need to be accessed very often and encrypting-decrypting is very heavy operation. XML encryption is manageable but images cause memory problems. Is there any alternative way, something at folder level ?
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