Android :: Want A Goog Way To Protect Application Files
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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Dec 26, 2009
Does anyone know a way, or a program for hiding or p/w protect a file in the Hero?
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Aug 31, 2010
Is there a way to protect certain files on this phone like my photos, call log and etc. I noticed in my files there is an option to show hidden files but how would i go about hiding files
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Aug 20, 2010
Whether it's naughty friends trying to read your texts, or just an obsessive compulsion to protect your data, a solution finally exists for those who want to password protect all apps on their Droids. Follow our post below about how to set a customizable password for any number of apps on your phone.
Post: 2 Guys 1 Droid: How to Password Protect All of Your Apps
It's pretty self explanatory from the video post, but if you are still unsure how to get this fully installed and running, shoot us an email at 2guys1droid@gmail.com and we'll be happy to help.
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Aug 4, 2010
How do I protect an app with a PIN / Password like mint.com does? This would need something like a session variable that resets when the user navigates away from app by pressing HOME or BACK. How do we accomplish this?
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May 3, 2010
Is there anything out there that can prevent an app from being launched without a password? Primarily I want to prevent gmail, google voice, and messaging from being launched without a password.
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Sep 1, 2010
Is there an app which can protect my gps?
I want to set a password on my phone to protect the gps so you have to enter a password to either turn the gps on or off.
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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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Jun 23, 2010
I've integrated lots of private information like accounting, messaging, emails, tasks and so on, into desktop widgets and everywhere around the phone. Every so often, someone wants to take a look at the phone and play around. Reading some important stuff is one thing, but people tend to mess the stuff around as well. Have you found a program or a way to protect from that? (other than denying to the people :> ) I guess some kind of shell program that you turn over when someone wants to demo the phone would be a nice solution.
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Apr 6, 2009
Just did a little search on google with my paid app name, I found these:
http://www.ipmart-forum.com/archive/index.php/t-337082.html http://droidappz.co.cc/index.php/board,21.0.html
Someone bought the priced app from market with the "rooted" phone and copy the apk file, then post on the websites for others to download.
Should Android team give a better way to protect the priced apps?
For example, encrypt the apk with the unique device hardware id for each download request. And verify the key before execution. So the apk can only be used on this phone.
There should be much better and complicated ways. but this is the basic idea.
I have checked the BlackBerry app world, looks like they have something different:
http://na.blackberry.com/eng/developers/appworld/faq.jsp
>My application requires a license key, how can I get a license key to >the end user? >BlackBerry App World asks you to indicate that an application requires >a license key. The license key models supported include Static, >Single, Pool or Dynamic.
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Jan 23, 2012
My employer has told me to create an android app to do the following:
The ability to password protect specific submenus in the Settings menu (i.e. specifically Privacy, Applications, and Location & Security).
Is this possible without rooting?
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Mar 13, 2012
My parents are going on a trip in a month and they have there heart set on taking a smartphone with them.What they need is being able to call, text and mail.They also want to be able to use it as a backup (just in case) for finding their way. So just in case they get lost to find out where they are on their map or use the gps to guide them for a little while.
So basically, calling, sms, mail and gps. They don't need to be able to change a lot of settings.So, I was thinking about installing their (yet to buy) smart phone with a simple home screen and the settings they would need. To keep them from accidentally messing anything up, I was wondering if it is possible to password protect settings and stuff.
-how to protect settings etc.
-a good home screen
-other things like very simple gps app for example
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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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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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Sep 7, 2010
I want to build an application that is able to read .CSV files. These .CSV files are downloaded NOT from within the application but just the regular Android browser. Now, when I start my custom application, is that download available to me? Any examples?
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Aug 19, 2009
Can we assume that App can write to /sdcard some file? What can be reason one cannot do that? I could not find any documentation on sdcard rules in google docs.
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Feb 26, 2009
I am developing a small application using file operations. when ever application lunches I am writing some information about the app user in the location of "/data/anr/". While deleting the application i want to remove those files in that location. Can any one suggest me how to do this? Is there any permission needs to be added?
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Nov 2, 2010
I have an app out that involves keeping track of information over time. Part of the app is a reset button. In order to avoid accidental resets, I made that button respond only to long-clicks.However, that approach confused about 20% of my new users, who thought that the reset button must not be working.Is there a more intuitive (and standard) way to protect a button from accidental presses? (If not, I can add some sort of custom message to the button I have )
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May 13, 2010
I'm getting many complaints that users can't find our paid app in the Android Market. I know exactly why. Our app is "Copy-Protected". So the questions is, if our paid app is already available all over the internet for FREE!! What's the point of copy protecting an app? Should I even care at this point about that feature? It seems I'm gonna get more sales if I disable copy protection, but makes me wonder.
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Aug 9, 2010
we can password protect our phones but we still have info on the SD card, is there anyway to password protect it so someone can't just remove it and plug it into a reader or another phone and look at the info?
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Nov 18, 2010
I have a variable on my "SharedPreferences", that is accessed by two different threads, one in a service, and one in a activity.
There is a easy way to protect this variable to be accessed by two threads at once?code...
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Jun 18, 2010
I have an Android application from which I want to upload some data to a database on my web server. As the MySql java library has a size of about 5 mb, I don't want to include it with the application.So I'll make a HTTP request for a php script and send the data with the URL as parameters. How do I make sure that only I can call this? I don't want people to sniff up the URL and call it outside my application.
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May 3, 2010
I have an application that can read and write txt files to the phones sdcard. By using this code for reading files:
@Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); mFileNameOpen = files.get(position);
String st = null; mVector.clear();
notepad.mNewEmpty = false; try { File f = new File(Environment.getExternalStorageDirectory()+"/ notepad/"+mFileNameOpen); FileInputStream fileIS = new FileInputStream(f);
BufferedReader in = new BufferedReader(new InputStreamReader(fileIS));
do { st = in.readLine();
mVector.add(st);
}while(st!=null); in.close(); ...
} catch (FileNotFoundException e) { e.printStackTrace();
} catch (IOException e) e.printStackTrace();
and this to write them:
try { File root = Environment.getExternalStorageDirectory();
File fileCheck = new File(root, "/notepad/" + fileNameSave + saveExtension);
boolean exists = fileCheck.exists();
if (!exists) { if (root.canWrite()) { File textFile = new File(root, "/notepad/" + fileNameSave + saveExtension);
FileWriter textWriter = new FileWriter(textFile);
BufferedWriter out = new BufferedWriter(textWriter);
out.write(SAVEAS); out.close(); written = true;
} else { written = false; else { written = true; showMaybe = 1; showDialog(DIALOG_SAVE_EXISTS);
catch (IOException e) {Log.v(getString(R.string.app_name), e.getMessage());
This has been working fine on my Tattoo and all the emulators I've tried this on. But it does not seem to be working on moto droid. Is there something different to consider with moto droid? Or have I missed something in the manifest maybe?
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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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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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May 29, 2009
I am new to android and i need to play list of audio files in my application. but where can i put all the audio files as its large in size around 45 MB ? and how can i access it?
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Feb 14, 2010
It would be useful for me to have an application to exchange files between my Tattoo and a PC through WiFi.
I was thinking about something standard, like FTP or Windows file sharing.
Do you know if an app like this is existing ?
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