Android :: How To Rename An Private File Of My Application
Mar 15, 2010
I want to rename an context private file created with openFileOutput() but I don't know how...
I tried that:
CODE:..................
This code throw FileNotFoundException but the documentation said "Open a private file associated with this Context's application package for writing. Creates the file if it doesn't already exist." so the new file should be created on disk.
The problem: When I try to read from the new renamed file I got FileNotFoundException!
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Nov 8, 2010
There are many file sharing apps in market.
Which do you like or recommend for private file sharing over the internet?
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Feb 2, 2010
I have created the private signed keystore file using eclipse and i have released the apk files in android market website. after some days we got some issues from users and we have fixed the issues but i don't have private signed keystore file. while making the apk file i need to use previous version release used private signed keystore file. Is there way to get private signed keystore file from previous apk release file?
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Dec 23, 2009
I have some new requirement. I have to write a video player which plays the content from the net.Some times the app downloads the video content, and this downloaded data should be private to only my app. No one should not access it.Simply saying providing security to my own content (though the content is taken from the sdcard, it should not be playable).
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Mar 18, 2009
I want to move some files from sdcard to /data/data/myapp/files folder, I can use OpenInputFile and OpenOutputFile and write to it, then delete the original one. But it is slow, so, I tried to use oldFile.Rename(newFile), but it always return false. Any idea? The reason I am doing this is to hide some files from my sdcard, so, nobody can see them.
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Oct 22, 2010
I am new to Android Development. I want to rename the file f1 with the file f2. For this I used the following code but it didn't work there
File f1=new File("myFirstFile");
File f2=new File ("mySecondFile");
boolean renameSuccess=f1.renameTo(f2);
Log.d("Rename Success value :",renameSuccess); //but it returns the false value.
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Oct 14, 2010
I have a rooted desire, but I have a troublesome app that won't update and I can't delete. I have seen others who have had the same problem, and a solution is to rename the app .apk.old and then redownload it, but I can't find a decent app to do this. I do have superuser permissions.
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Dec 11, 2013
These days I am working on a project that I need to modify some other android apk's arm elf .so file.Because I changed the code namespace in android Java, so I have to change the corresponding native code's namespace in .so file.
For example change the symbol Java_com_example1_Method to Java_com_example2_method (dynamic symbol). But I don't have the source code of the native code.The change only replace 1 or 2 chars, so we don't need extra memory allocation.
I have been struggled for 3 days with no results. how to rename the dynamic symbols in elf .so file, and recaculate the .hash section.
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Nov 23, 2010
Is there an app or camera widget that will set my taken photo names to include the date or my name or something similar?
It's tough to make sure I'm not overwriting previous photos when I copy them to my PC, and then my wife does the same with her Dinc and things are starting to get complicated. At the moment I am using a fudged solution with a DOS batch file but there has to be a much simpler way.
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Oct 19, 2012
I have root access in my program, but i am still unable to rename a file in /system/media. once root has been obtained my code is
Code:
File ba = new File ("/system/media/bootanimation.zip");
if (ba.exists()) {
ba.renameTo (new File ("/system/media/bootanimation.zip.bak"));
}
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Nov 23, 2009
Does anyone know if there is a way to rename the icons/shortcuts for apps? Do these icons reside in a folder within root somewhere? I wonder if renaming the icons/shortcuts would allow us to reorganize the way they are sorted in the app tray (since it is alphabetic).
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May 24, 2010
In my Android application, I want to rename the file name at runtime. How can I do it?
This is my code:
CODE:.......
I also used renameTo(File f) method but its also not working..
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Feb 27, 2010
What is the best approach to managing a small SQLite database private to the application? Open (getWritableDatabase)in OnStart and close in OnStop in each Activity?Open in OnCreate and keep open til the user quits the app (where would you put close?) Open, do work and close as soon as possible each time it is needed?
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Feb 16, 2010
Some classes are NOT PUBLIC like android.os.ServiceManager, android.view.IWindowManager, etc, they are implemented in the mobile devices, but not present in the SDK .jar. This is because these classes are private APIs . now please tell me is there any way like compiling source code or importing private class file into android.jar so that i can use this private APIs.
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May 10, 2012
I have 2 tools - 1 : APK Manager - 2: Signare (both have their official posts on xda)
I also have jdk 1.6 update 32 installed on my windows 7 x64 bit.
I have created a private key signature manually using the -keytool -v -keystore command and also have created a private key signature using signare.exe app
I am able to sucessfully decompile and recompile apk files (non system apk - example an adw theme) . Now when i am signing the .apk file, the following takes place.
-when i sign it with a test key uaing apk manager, i am able to put it in my sd card and install it and it works fine.
- now when i sign it with a private key signature ( any of the two that i have created), it gets signed successfully but when i put it in my sd card and install it , i get an error message "Application Not Installed".
I really need to know how to ressolve this issue so that i can sign it with a private key .
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May 9, 2009
the media provider cleans the media files, if files didn't get read since last two month. does it cleans(delete) the private application media file stored on sdcard, too if didn't get read from last two month? or Appl Private media file does not come under media file?
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Apr 2, 2009
I'm currently developing my own Android widgets. To help me in future projects and speed up my developments, I've been trying to create a private jar that contains all those widgets (that extend from Android classes such as View or ViewGroup). To do that, I created a project and included all files (.Java and resources) in this project. I exported this as a jar file. To test this jar file I created a new project and tried to include my widgets using an XML layout. Unfortunately, it seems that the system does not "see" my resources. Looking at the Android source code, I noticed that android.jar contains its own resources so I assume this is possible.
I'm sure I've done something wrong...but what? What is the problem? And how to solve it?
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Apr 29, 2010
I create an input method that is private, not available to other applications on the phone?
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Sep 17, 2010
Most of my work phone calls are unknown number and lately I kept getting a phone call from a private number every half hour or so and it only ring once then hang up. I want to block that private number but not the unknown, I tried couple of apps but it doesn't allow me to just block private number. I have to block unknown, private etc..
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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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Nov 10, 2010
iFMW was upgraded: Mobile site for public person or private file share for secret person in one app.
It has two inversion functions on one app.
Public person can get his/her own public web site on the phone and secret person can use only private file sharing directly on the phone without uploading.
Those who want two demands above will use whole functions.
What will you choose of those choices?
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Jun 30, 2010
I'm looking for an app that u can throw all your videos, pictures, music or whatever into a folder than can be locked with a password.
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Sep 28, 2010
I am developing an application that involves some sensitive user information. I retrieve this information via a private web API. I am trying to determine the best way to get this data into my app. Right now I'm exploring creating a content provider that can do so; my hesitation is in making it secure. I want this data to be usable only by my application. Ideally, no other apps would even know it exists.
Do you have any pointers or advice on how to do this effectively and securely? Any info on content providers who's data source is a remote OAuth'd API?
I say content provider, but if that isn't the best way to do what I need, by all means let me know what else to look into.
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Jun 8, 2010
I synchronize my HTC Desire calendar with an Exchange server.How can I on the phone when I create a new appointment mark it as "private"? I do not want people at my work to see all my calendar appointments. It was possible on my old HTC with windows Mobile.
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May 24, 2009
I'm trying to find a way to access private files created by other packages.According to the dev site (plz see the following), I can read/write files of other packages if some flags are set on the create of those files, but I don't know how. Can I just open those files with Context.openFileInput(or Context.openFileOutput)? Do I need a different way for those three cases? By three cases, I mean getSharedPreferences(String, int), openFileOutput(String, int), openOrCreateDatabase(String, int, SQLiteDatabase.CursorFactory).
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Jan 25, 2010
Here http://source.android.com/submit-patches/code-style-guide#shortmethods it is stated that :
"Field Names
* Non-public, non-static field names start with m.
* Static field names start with s.
* Other fields start with a lower case letter.
* Public static final fields (constants) are ALL_CAPS_WITH_UNDERSCORES.
also states that : "The rules below are not guidelines or recommendations, but strict rules. You may not disregard the rules we list below except as approved on a need-to-use basis." I don't like the "m" convention before private or package fields in a class... I really find this uninspired. I mean, if we try to apply good designs, the low coupling of the classes implies having few public fields. actually, in my programs I usually have no public fields, even when I need some I use getters and seters. so, why should I be forced to have almost all my fields in the program with an "m" in front of them? wouldn't be easier to have the few public fields, if there are any, with some "g" in front or something? or just use setters and geters as beans suggest? this really makes my code harder to read. also, following these guidelines, local temp variables used in the methods have no restriction so they could easily be mistaken for public global fields (also without restriction). this also I find to be wrong, as it is a probable source of mistakes. I understand to have a way of differentiating from fields, but private/protected member fields are the most used in an application, they shouldn't be less "readable". what do you think? should I follow the guidelines?
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Nov 24, 2010
I can't find a tutorial online that gives me the step by step process on how to generate a suitable key using the keytool in the JDK.
This: http://developer.android.com/guide/publishing/app-signing.html
Talks about it and gives commands, but it doesn't actually say where and in what folder to key in the commands. I am sure I am missing something easy here, but could anyone guide me to where I need to start with this?
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May 27, 2010
I need to sync some data from a phone with a server in the cloud. To do so, it appears I must create an Account via the AccountManager. If I do this is there anyway to keep the authtoken private (e.g. not accessible to other apps). I understand the value of sharing authentication with services such as Gmail, Facebook, etc; however, the data I am trying to sync is sensitive and for security and performance reasons (e.g. limiting calls, etc.) I would like to control access to the associated APIs.
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Feb 15, 2010
Is there some simple way to remove any private data (such as contacts, calendar items, media) from Android phone programatically?
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Mar 24, 2009
I have a with regards to an update feature that I am trying to put in my application. I am wondering if it is possible for an application to download a new apk and install it inside the /data/app- private folder (which i presume is for copy protected apps)?
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