Android : Architectural Design / Run Out Of Memory When Store File
Dec 1, 2009
I have an application that requires about 24Meg of mp3 files as a core part of the app. If I store them in the /raw directory on the emulator, I run out of memory. I can store them on the SDcard, but my question is will they be included when I package the application for the marketplace, or do I need to have the user download the files after they have the app on the phone? Where are larger files typically stored in Android apps or are large files not usually included?
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Jul 31, 2009
I have some reference data in a text file (~5MB) that I want to use with might android application.The file is of the format:
1|a|This is line 1a
1|b|This is line 1b
2|a|This is line 2a
2|b|This is line 2b
2|c|This is line 2c
What I want to know is the most efficient way (less memory, fast, size etc.) to use this file within my application.
a.) Should I save the file as a raw resource and open and read the whole file whenever I need a certain line.
b.) Should I convert the file to XML and use XPath to query the file when ever I need to look up a value
<!--sample XML -->
<data>
<line number="1">
<entry name="a">This is line 1 a</entry>
</line>
</data>
c.) Should I just copy & paste the whole file as a static string array in the application and use that.
[EDIT] I will also need to search this file and jump to arbitrary keywords e.g. "line 1a".
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Sep 2, 2010
It's perfectly described here how to do it, the only problem: He doesnt know the function
CODE:..............
Those are the relevant packages I imported:
CODE:.................
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Jun 13, 2010
I'm looking for a way in an Android application to store a password within the memory as long as the application is running (cf. different activities). I was first thinking about the SharedPreferences, but then it's saved in the flash memory, which isn't that good for a password, I guess.
I'm unsure, what's the best way. What would you recommend me?
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Jun 17, 2010
How to store username password in device memory.Even after the user closes the application and returns back , he should be able to authenticate his username and password. Right now I am testing in Eclipse. so please help me with some pointers/links which will allow me to test in Eclipse and eventually run on Mobile.
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Mar 11, 2010
I want to access phone internal memory to store some data, similar to that of sdcard. but the problem is that the data written by one application is not accessed by other applications. because of uid mismatches.
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Feb 16, 2010
I'm developing an android word game app that needs a large (~250,000 word dictionary) available.
I need:reasonably fast look ups e.g. constant time preferable, need to do maybe 200 lookups a second on occasion to solve a word puzzle and maybe 20 lookups within 0.2 second more often to check words the user just spelled.
Lookups are typically asking "Is in the dictionary?". I'd like to support up to two wildcards in the word as well, but this is easy enough by just generating all possible letters the wildcards could have been and checking the generated words (i.e. 26 * 26 lookups for a word with two wildcards). as it's a mobile app, using as little memory as possible and requiring only a small initial download for the dictionary data is top priority.
My first naive attempts used Java's HashMap class, which caused an out of memory exception. I've looked into using the SQL lite databases available on android, but this seems like overkill.
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Sep 7, 2010
This has been bugging me but I think it's just the way it is. In the DX we have 8gb of internal memory with an additional external 16gb (as shipped) on the SD card. I can store my music, pictures, etc. on the SD card but cannot access the internal 8gb. Besides storing apps, what good is that internal memory? Is there a way to store files on it. I read in the Applications and Games forums that other phone owners complain that some apps are too big to keep on their internal memory, but it seems to me that with the DX, this is no issue because we can't use that memory anyway. Why would a DX owner care about storing apps in the SD card (with 2.2) when we have tons of unused memory internally? Is there a way to store files on the internal memory which I'm missing?
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Apr 30, 2010
I added about 4 gigs of music and 2 gigs of movies to the internal memory of my Inc. Now the music files play when I go into the music player, but when I go into Astro file manager, I can't find the videos or music anywhere. I put them under music and video folders, but nothing. They still show when I am on the computer connected to the phone.I know it isn't the file either, because I added the same movie to the 2 gig card, and it's showing up under astro for that.
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Apr 3, 2012
I've occasionally had some issues with seeing the white HTC screen between switching apps and what not, is this because all of them are on my phone? Is it better to put some on the sd card?
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Feb 11, 2010
I'm trying to store a raw uncompressed file into the apk. I already tried rename it to mp3, png, zip, but all these extensions still compress the file: if i open the apk using winzip, it shows tcfiles.png 4194304 -> 4080. I already heard about the "aapt -0" to store uncompressed, but no one tells how to do this from within eclipse. I don't call aapt by hand, i use the one generated by eclipse.
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Oct 12, 2010
Been thinking of getting a wildfire, it looks like a good phone for the price range I'm in. However today I've read something about the HTC desire that it suffers with a lack of internal memory and this limits the amount of apps available you can store on it (because you cannot store onto SD card) Does the wildfire have the same problem as this, and if it does will it be rectified with the release of froyo?, or is there anyway around it? It seems a shame to have all these apps available on the Android Market but only a limited space to store them on.
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May 2, 2010
last week before getting the incredible i had 2 extra micro sd cards laying around. Today i have 4. Of course i got the free 2gb sd card with the phone, its still in the package. And today when i went to the verizon store to buy a car charger and the red and black gradient case they gave me a 4gb micro sd for free! So now i have 2 extra micro sd's that i didn't have last week. Not too bad. So for those who didn't know i guess verizon has a deal going on now where if you buy a car charger and case you get a free 4gb micro sd memory card. I"m not sure how much they retail for but its got to be at least worth $10-15. The case and the charger came to $50 + change. Just a heads up for those that need these accessories.
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Nov 23, 2010
I am going to develop an Android Application but before developing it i needs to have MockUp for the Android Application,so is there any way to design MockUp/GUI Design tool for the Android Application?
I know about DroidDraw tool , but i think it is not the exact way to prepare Mockup for the android application.
I have already referred this SO Question , but overthere i just found all the tools for the I-Phone only. So please feel free to share with me if you have/found any !
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Aug 25, 2010
I had created a view and wanted to store it as a image in the sdcard of the emulator how can i do this?
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Oct 6, 2010
In android it is not directly possible to share files and folders across different application. The only way is Content Providers.
1. Is there any general (any file type) content store? Today there is Audio, Video and Image Store.
2. Wanted to write new Content Provider to store Big files, like Video and Audio. Saw some examples, like
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May 10, 2010
I have one txt file which contains contacts in vcf format, Now I want to update my address book (insert that contacts in my address book) using this txt file. How to do that?
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Jul 15, 2010
I want to store a few values in the form of high scores. But since im not going to be storing more than 5 values, using SQLlite doesn't seem appropriate. Another option considering was a flat file, but not sure how to go about..
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Oct 30, 2010
I am New to Android. My Requirement is to storing an audio file into database using Android Sqlite. can any one suggest me?
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May 21, 2010
What is the easiest way to read an xml file? How is the best way to store the information from the xml?
I have tried to find a good tutorial, but I just can't get it to work..
I have an xml file in /res/xml called myxml.xml which looks like this:
<?xml version="1.0"?> <school> <student> <fname>Ola</fname><lname>Nordmann</lname> </student> </school>
I just want a simple way to read and store.
(Yes, I am a beginner
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Jul 24, 2010
Where i can store video files to play in my memory card (Mobyle Xperia)
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Feb 27, 2010
i am working n audio recording. i can store the file using file.getAbosolutPath() mehtod. it stores the file in path: /data/data/com.example.audio_demo/files/output.amr i wann store that in SDCARD.iso and how retrive that and play.
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Feb 1, 2010
I am using ganymade eclipse 3.4 IDE and android sdk for development . I am trying to store static database file with some values on it in sqlite format. how can i add this file into the IDE and fetch the data from that file and store it . give me the guidance to do the development.
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Jun 17, 2010
The question is in the title.
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Aug 3, 2010
I am planning to store a password in my Native app (Android and iPhone). Should I store them after encrypting it ? or can I store it without any encryption? Are they really secure?
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Oct 27, 2010
I bought X10 mini/pro last week. Is there any facility to create a folders in storage area & start storing my SMS on memory card?
I am not able to see any menu which can do that?
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Jul 20, 2010
How do i create a file in phone memory instead of SD card.
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Jul 23, 2010
I need to read the file from the phone memory. How read file?
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Feb 20, 2009
How I could get a File path from a file create in memory using MemoryFile class? I was able to create one but I can't seem to know how to obtain a "pointer" path to this file in memory so that I could give it to MediaPlayer...
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Nov 5, 2009
In my application. I tried to parse XML file. First time it executed correctly. Second time it is showing Out Of Memory Error.
My XML file contains 15000 lines.
can any one know about this?...
My log cat is given below:
CODE:................................
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