Android :: How To Lock Down Public PC?
Jul 9, 2010
I'm the PC admin for a Public Library in Florida. I keep the labs running. I have NO experience with Android. We never have enough PC's for the public at peak times. Putting in more PC's is expensive, or even impossible in some buildings. I'm always looking for ways to serve more patrons cheaply. Portable PC's are an idea for getting around this, but have problems. Notably, some are going to get stolen. All of them will get used heavily and often by people without the necessary skills to keep their data private. Sometimes they get used by our young hacking community for naughty things. I saw the Cherrypal PC and got interested. These things are ultra-cheap. That's enticing.
So here's my big question: How do I lock down an Android public PC? Specifically I need the machine to boot or log to a state that's exactly what I want EVERY time a new user comes on. There can be no remaining information about the old user (credit cards, passwords, chat history, etc.) that the next user can steal. Can I lock down the PC's? Is it easy and fast to restore to a base state that has the homepage and appearance that I want for the library, while keeping away changes I don't want? Is there anything that would keep Android from being a good addition to public PC's in the library?
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Oct 20, 2009
I'm currently working on an application which need security features. My question is simple, if every application is signed by its developper, how can I access application public key? (and private).
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Apr 21, 2010
I have this code:
hubSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parentView,
View selectedItemView, int position, long id) {
final MediaPlayer mp2 = MediaPlayer.create(Textbox.this, R.raw.hero);
mp2.start(); } public void onNothingSelected(AdapterView<?> parentView) {
} } );
(The code basically runs when a new item is selected of a spinner and then plays a song, which later will be a variable based on what was picked, but I'm fine as it is for now). And I want to be able to use 'mp2' out of this public void, (I want a button which pauses it). How can I do this?
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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 2, 2010
How to do RSA encryption of byte array with base-64 encoded public key?
After reading the couple of articles( of google search ) on how to do RSA encryption in Java, found the following snippet.
CODE:.........
I have public key as a base64 encoded string (126 characters), How do i create 'PublicKey' with the encoded string and use it with Cipher.
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Jul 29, 2010
I'm working on an app that is meant to be used by fans of a sport team. In the future, I expect to use the same app but for any different team. So, what changes would be the colors, team logo, app name and the like. So, is there any technique that allows me to build binaries for different teams without having duplicated resources?
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Aug 18, 2010
I am using a Mac with Eclipse Galileo, trying to load Android code from a public repository. I tried 'Checkout from SVN' and the URL is:
http://secrets-for-android.googlecode.com/svn/trunk/secrets-for-android-read-only
This is from the website:
http://code.google.com/p/secrets-for-android/source/checkout
I get the error:
Error validating location: "org.tigris.subversion.javahl.ClientException: Bad URL passed to RA layer
svn: URL 'http://secrets-for-android.googlecode.com/svn/trunk/secrets-for-android-read-only' non-existent in revision 114"
Keep location anyway?
I'm currently using this svn client in Eclipse to manage my own secure repository on another website, so I know it's installed correctly and works.
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Oct 19, 2009
Buster is now available in the Android Market.When is my bus? Start Buster, and you'll instantly know just when your bus will arrive at your stop. Uses your phone's location sense to find your stop and your buses.Currently in free Beta, Buster supports the metropolitan transportation networks of Austin, Denver, and Sacramento. More cities and features coming soon. We'd love your feedback here or at support-at-n9works.com. Also, we're trying to get a sense which cities to roll out into following the beta cities.
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Apr 20, 2010
I'm a bit new to programming Android App's, however I have come across a problem, I can't find a way to make global variables -unlike other coding like php or VB.NET, are global variables possible? If not can someone find a way (and if possible implement the way into the code I will provide below) to get a value from the variable 'songtoplay' so I can use in another Public Void...
Here is the code:.............
Basically, it gets the value from the Spinner 'hubSpinner' and displays it in a Toast. I then want it to return a value for string variable 'songtoplay' -or find a way to make it global or useable in another Public Void, (Which is will a button, -loading the song to be played)
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Jul 30, 2010
I want to know how can i filter the hotspot is secured or public using Android WIFI API or android sdk?
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Sep 20, 2010
Looking at the example code in the docs
http://developer.android.com/reference/android/content/Context.html#getExternalFilesDir%28java.lang.String%29
File path = getExternalFilesDir(Environment.DIRECTORY_PICTURES);
It does not compile on 2.1. The static fields DIRECTORY_PICTURES, DIRECTORY_MUSIC etc. Don't seem to be found. Using the filter api checkbox, I see that it was removed in Android 2.2 (or api version 8). So the manifest file needs to contain minSdk defined as 7.
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Oct 19, 2010
After finishing my android application development I used the command showing below to get private key, but it shows some errors such as "The Keystore was tampered with or password was in correct".
$ keytool -genkey -v -keystore DEBUG.keystore
-alias alias_name -keyalg RSA -keysize 2048 -validity 10000
Is my problem with DEBUG.keystore? Should I need to generate another keystore for public release?
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Oct 17, 2010
I am looking for some help. I'm new to android, and java development. I've got a pretty good handle on the basics, but I'm having an issue figuring out some more advanced operations. I'm working a guitar tuner, which is a stepping stone to a chromatic piano tuner. There is no public API for frequency analysis, so I'm thinking I need to write into code a Fast Fourier Transform, and I'll assume I need to import a different package for this. Once I display the frequency of any given note, I need it to reference it's offset to a pre-measured Mhz. There is alot to write, I'm aware, but my first step is to try to figure out HOW to get the frequency, and display it in the UI.
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Mar 23, 2012
I'd like to offer a public access through Android Tablets via Tethering.The problem is that in France I have to log IPs and visited Websites when I provide a public wifi access.I searched in the Android doc but I have not found anything.
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Jan 7, 2010
Is someone from Google able to advise when the Android SDK is likely to include a public API for reading/writing event data to the user's calendar? Searching the forums I see that this is a much desired feature by many developers but I haven't seen any indication as to when (or even if) this need will be addressed.
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Jul 4, 2009
http://code.google.com/p/fixxit/
I had an idea to use Android in the public space to report public works and other problems that need repairs. Android provides a great tool to document and locate problems. Google APIs like Maps and Appengine can link these reports to help direct efforts to make the public space a better place to live. Unfortunately I'm a Java rookie and so lack the skills to even start the coding at this point. How to get this open source application started.
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Sep 8, 2010
I find this code useful and want to copy-paste it into my application which is licensed as public domain.
It is the Android blog, they often show useful code snippets. There is no way to contact the author, and the only license info I can see is "©2008 Google Inc. All rights reserved."
Should I:
Stop worrying and just copy-paste?
Reimplement it myself without looking?
Copy-paste and then make it look different?
Any better solution? ...
Is there a rule like "if shorter than 50 lines then no copyright applies" or something?
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Mar 20, 2009
Under the terms of the Apache Public License, can I use some (graphic) resources in my commercial app?
More specifically, in my (proprietary) Android app, I want to use some graphics from Android. Since Android is licensed under the Apache Public License, I downloaded the source and took the resources I wanted. But I was wondering, if I want to sell this app, or not release the source code, am I allowed? Do I have to put any notices in my app description?
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Jun 3, 2009
I've been trying to include standard android icons in a menu XML file, as described in Android Icon design guidelines. However the build fails with the following errors : [2009-06-04 00:00:31 - Laser] W/ResourceType(16578): Bad XML block: header size 2475 or total size 0 is larger than data size 0 [2009-06-04 00:00:31 - Laser] /home/niko/dev/workspace/Laser/res/menu/ main.xml:4: ERROR Error: Resource is not public. (at 'icon' with value '@android:drawable/ic_menu_play_clip'). [2009-06-04 00:00:31 - Laser] Unknown error: The only threads I could find with this error were about rebuilding android platform xml files. Any idea about what I could have missed?
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Jun 19, 2010
My app crashes with a null pointer exception on the code below. I have an xml preference file under res/xml/defaults.xml
public class Preference extends Activity {
public Preference() {
} public String getPreference(String key)
{ //it still crashes here
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this.getApplicationContext());
String result = settings.getString(key, null); return result;
} }
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Sep 4, 2012
i have finished an app and would like to publish, but all of a sudden, i spotted this Google Licensing API and thought that it would be pretty cool to incorporate it into the code.anyway, in the sample code Google put in... there's this String
Code:
private static final String BASE64_PUBLIC_KEY = "REPLACE THIS WITH YOUR PUBLIC KEY";
how do i get the public key from the keystore that i created with Eclipse?
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Jun 10, 2010
This is my first Android phone so I might just not know what I am doing. At work we have an open wi-fi network for patients and visitors to connect to. When they connect for the first time they are automatically re-directed to a sign on page where they must provide their e-mail address. After that they are free to use wireless internet services. My EVO will not re-direct to the page. When I tried it on a friends iPhone it worked just fine. My phone has not been rooted and i have tried both the default browser and two that I downloaded from the market. The phone is connecting to the WiFi and getting a strong signal.
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Feb 1, 2013
i port/cook roms and i have a restricted access to my pc due to which i sometimes have to use my phone to upload files to dropbox but due to multiple downloads my account gets blocked for public access. I wanted to ask that if I put all my roms in a folder and share a link to that folder to my rom users,then will my account still get blocked for heavy traffic?
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Aug 21, 2012
I had used some public wifis in mc donalds and airport in the past. I never had any problems. Yes, some required sms verifications, but anyways, my phone could connect to them.
After a month, i went to the airport and mc donalds again, but i cant connect to any of them. There were hotspots in other places as well, run by different telecom companies. all of them were open networks. but i just cant connect. I can still connect to my home WiFi.
Its not a ROM issue. i have tried several ROMs. I have never changed my baseband, mac address or anything like that.
Is it possible that my hardware is damaged? (but i can connect to my home wifi, which is also open) Or my mac address/phone number is "globally blocked"? (i had tried hotspots of different telecom companies. nd i dont know if theres a way to get my phone number by just trying to connect to a WiFi) Or have they installed something like "connect only with laptops"? does anything like that exist?
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Mar 30, 2014
I am using WiFi as a Guest with guest password qt my office. But dont want to open/show my ID / mac address or any Detail to administrator.
Q1. Is there any APP which can keep me & my device detail invisible while i am surfing / downloading any file via browser or torrent?
Q2. Gmail etc sites are blocked in WiFi , is there any app which can browse to these URL's.
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Dec 2, 2013
My laptop has 3 security levels for when using WiFi. For a home WiFi the least secure and a public WiFi the most secure. I'm using a public WiFi now and have searched my tablet settings for those sort of options, but can't find anything.
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Oct 7, 2013
After I ran the curl to install the latest version of repo, when I attempt to run a repo init I get this error
Code:
dan@dan-laptop:~/aokp_jb$ repo init -u https://github.com/AOKP/platform_manifest.git -b jb-mr2 -g all,kernel,device,vendor
gpg: keyring `/home/dan/.repoconfig/gnupg/secring.gpg' created
gpg: keyring `/home/dan/.repoconfig/gnupg/pubring.gpg' created
gpg: /home/dan/.repoconfig/gnupg/trustdb.gpg: trustdb created
gpg: key 920F5C65: public key "Repo Maintainer <repo@android.kernel.org>" imported
gpg: key 338871A4: public key "Conley Owens <cco3@android.com>" imported
gpg: Total number processed: 2
[URL ......
repo 1.12.4
gpg: Signature made Tue 01 Oct 2013 12:44:27 PM EDT using RSA key ID 692B382C
gpg: Can't check signature: public key not found
error: could not verify the tag 'v1.12.4'
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Aug 10, 2010
we all know that sprint has had a page about the Samsung Epic, with the full spec sheet, but there was no sprint news release about the phone which means they were still not about to go all out advertising the phone. As of aug. 9th however, they have updated their news page to have the Epic be publicly displayed in their newsroom. Nothing in the link we already don't know (specs wise), but this does mean that they are beginning to make actual advertisements for the phone which only means the release date is drawing nearer.
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Mar 25, 2012
How do i send videos to my friends phone without making them public???
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Mar 21, 2014
I'm looking for a method or an application for android tablet, which allows me to quickly reset the device deleting any data (from the Internet cache, and the cache to the photos of the various programs such as facebook, twitter etc ...) and that does not allow any modification of the operating system. I need this solution because I have a restaurant and I want to put a tablet on each table for guests to make him see the menu (full of photos and videos), surf the internet and play with the kids.
is there an app that allows this? or is there a quick way to do this, such as a multiaccount management ? I remember, for example, that for windows there are applications that completely erase any unauthorized modification, files and cache, at the time you restart the operating system.
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