HTC EVO 4G :: PPTP VPN Connection
Jun 11, 2010
Has anyone been able to get PPTP VPN working? While it appears I can connect to my works network, I can't seem to browse to any of the intranet sites. I've tried it with/without DNS Search Domains, and by simply hitting the ip address. One time I got the NTLM Authentication popup in the browser, but It didn't seem to actually connect. I've also tried hitting the internal 10.1.0.* address of the intranet server but that doesn't seem to work either.
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May 1, 2010
I found bug in Android 2.1 which needs to be fixed in 2.2 version. Bug is in VPN PPTP android client which is not compiled with MMPE encryption enabled , and because of that it is impossible for HTC Desire and other phones using android 2.x to connect to pptp server because this is not enabled in android pptpd by default and because of that connection fails. There is solution for this requiring that you root your phone first than replace original pptpd and ip-up-vpn files with new compiled, but this is really not solution because we need that all this works for clients "out of box"
I tested VPN server from almost all OS-es and I can connect for any regular Windows PC (Vista, Windows 7 and XP) , from Mac-OS and even Iphone and Windows Mobile but not from my HTC Desire with Android 2.1.
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May 16, 2012
If exists a L2TP or PPTP or even OpenVPN protocol implementation (C or Java) which can be used in an Android application?
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Sep 7, 2009
If my screen locks while I have a wifi connection, then the connection is lost when I unlock the phone.First, is this perhaps deliberate, to save power? Also, either way, when I unlock the screen and go into wifi settings, I see that the phone is trying to make a wifi connection, but it never succeeds, even though it's my home network and I'm in the same room as the router. It just states 'Obtaining address.
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Oct 14, 2009
I'm using ThreadSafeClientConnManager to manage a pool of client connections, because my application has several threads, which are simultaneously connecting to a webserver.
Abstract sample code:
CODE:..............
Now lets say on of this threads is downloading a large file, but then the user of my application is switching to another activity/screen. Therefor the file is needless and I'd like to abort this download connection.
In ThreadSafeClientConnManager I found this method: public ClientConnectionRequest requestConnection (HttpRoute route, Object state) Returns a new ClientConnectionRequest, from which a ManagedClientConnection can be obtained or the request can be aborted.
So far I've been using:
CODE:.........
Now from what I understand, I've to use:
httpclient.getConnectionManager().requestConnection(HttpRoute route, Object state);
And that's the point where I'm stuck. I assume that for the route I can just use new HttpRoute(new HttpHost("10.0.0.1")) or whatever my server is, but what to put in for Object state?
And second, as soon as I've the ClientConnectionManager I can call getConnection(long timeout, TimeUnit tunit). But then from there, how I do I execute my HttpGet httpRequest = new HttpGet(URL_TO_FILE); as I did before with HttpResponse response = (HttpResponse) httpclient.execute(httpRequest);?
I've been gone through the documentation and tried out quite a few different things, but I wasn't able to obtain a working solution. Therefor any suggestions and/or code examples are more than welcome.
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May 12, 2010
Whenever a application needs internet and connection fails, I get a message dialog
Connection failed
This application requires network access. Enable mobile network or Wi-Fi to download data.
and two buttons, Settings, Cancel.
How do I detect there is no internet connection?
How do I popup a same dialog in my application?
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Sep 15, 2010
Long time reader, first time poster here. How does one know if the Epic is using the wifi connection as opposed to using the 3G connection? When wifi is connected both that and the 3G connection shows at the top. So which one is in control per se? And how can it be verified?
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Oct 27, 2010
I'm coding a very basic FTP client on top of my application and I have 2 activities. The first one is the file explorer and the second one is the image viewer. Once I click on the image filename on the explorer, I want to pass the connection to the other activity to handle extra stuff. Basically, I want to keep the same org.apache.commons.net.ftp.FTPClient object (which handles the connection) alive in-between the 2 activities. I know I can't pass an object inside an intent so I don't know what my best bets are.
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Jul 23, 2010
What's the technical term for being able to have voice connection and data connection simultaneously? Like AT&T was promoting heavily for a while.Apparently, the new T-Mobile Vibrant has this capability. A friend got one and was accessing the web while talking to me, double jealous now.I have benn lusting after the Verizon version, Fascinate, and wondering if there is any chance it will as well.
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Aug 20, 2010
My wife's phone keeps losing her 3G connection and she gets an error that the network is not available. I tried doing a hard reset as well as update her profile and PRL. This worked for about a week but now she is having this problem again.
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Jun 8, 2010
Any reason why i would no longer have network/data connection? The 3g icon is missing. my mobile network is in fact enabled and it was working fine about an hour ago. any ideas on how to fix this?
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Jun 8, 2010
I'm wondering if it is possible to open a USB connection in my app. The idea is to plug a specific hardware into the phone USB connection and make it to "talk" with my app.
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Jun 22, 2010
I'm new at programming with Android... I'm stucked at the Network topic...
Basically this is what i'm trying to do:
I wan to send some instructions using the Http protocol to a device which has a static Ip address through a private Lan Network...
So first of all I'ved Tested the Code by connecting to a wesite and everything was Ok, I could confirm the connection was made through the HttpURLConnection ResponseCode()=200 (equals to HTTP_OK) ...So my Code could access the INTERNET. But then i created a Lan Network with the Device mentionned above I couldn't have any Connection to it...neither to other devices (Pc attached to the Network)
My App gets no response...the main Screen switches to a Black untitled Screen...Is there a Permission i have to request through the MANIFEST.XML File for Lan Networks as there is a one for INTERNET?...
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Jun 22, 2009
How to connect to a secured wireless network programmatically.. im able to detect and list the available networks but how do i connect to it giving a password..
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Aug 22, 2009
I wrote java code that connects remote sql server. But code does not work in android.
Code is as follows:
CODE:...........
And log is follows:
CODE:..............................
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Sep 13, 2010
Since Friday, my gmail won't sync and is saying no connection. Have any of you experienced this problem? How did you fix it? I have 2.1 on my Evo and this is the only gmail account I have. I haven't changed anything in settings.
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Jul 16, 2010
I wanted to ask if there is a possibility to create udp connection and then change to tcp connection while the emulator is client and the server's code is java. all I found at the web is or tcp connection or udp but never a mixed between them.
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Aug 7, 2009
I was wondering if it was possible to connect the lap top with the T.M G1 phone to get internet connection.
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Jun 17, 2010
Last night on the way hope I plugged in the micro USB cable from my 500ma car charger while listening to Pandora through the aux cable. I get a bad buzz sound like the phone has some kind of grounding/short/wiring issue. It happens no matter what I'm trying to do through the headphone jack. Even if nothing is playing. There is this really loud buzz.
Is anyone else in here not able to use the aux cable while being plugged in? I'm wondering if it's my Pioneer head unit or the USB charger. I don't get this issue when using aux with my computer speakers at home or headphones.
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Feb 18, 2014
I am undertaking an android dev project for Uni. It requires me to build an app for an android smart phone that will allow me to remotely shutdown a pc. I have never programmed for phones before so am a little lost as to where to begin. Namely:
- Which is the easiest IDE to use for PC to smart phone connectivety
- Is there any examples or tutorials on establishing a connection between a pc and smartphone.
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Aug 16, 2009
I am trying to connect remote ms sql server 2005 and tried something but I could'nt. Does any of you know to connect sql server? I searched and I realize that Driver must be loaded.
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Sep 18, 2010
I went to install a theme on CM6 final and now my EVO will not bring up a 3G connection anymore even after flashing a stock rom. It will not connect to data or even show the 3g symbol.
I can still make calls though.
Does anyone know what setting might have changed or anything I can do to get my data back?
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May 11, 2010
I am having this error since last two weeks "Your SIM does not allow connection to this network." I have tried everything to the best of my knowledge:
- Reset Phone (Soft & Factory Settings both)
- Rooted Phone
- AnyCut application to reset Radio
- Updated radio to 63.18.55.06JU_6.35.09.26-signed
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Jul 28, 2010
This has happened a couple times already before when I just had unrevoked. But I seem to lose my options of what to do when I plug my phone in. Now it's stuck in charge. Is there any way to get it back or do I just need to reinstall the rom. I'm using Damage Control btw.
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Jun 8, 2010
For the past few days, I have been having occasional problems connecting to the internet when my signal is showing as full bars of 3G. It usually corrects itself when I reboot but then happens again after some time. This happens when using both the dolphin and skyfire browsers. Ive also not been able to use my Sprint hotspot for the past two days. My laptop and iPhone show as being connected to the EVO via wifi but are unable to access the internet through it. Anyone else having these problems?
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Aug 18, 2010
When I'm in a call over a month ago, I was able to check on the traffic in the maps app..but now when i try to do that, i get the message "connection data lost" and therefore am not able to check the traffic until I am done with my call. I search and didn't come up with any in call answers.
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Jan 24, 2010
Is anyone aware of an app that will allow you to connect to the internet through a USB dongle attached to the phone? My reasons for wanting to do this are that in general Internet access is expensive here in SA and I am on a contract phone with no data but I do have a top up option, which gives me 100MB/month for an equivalent of 6.50/month! But I also have a USB dongle on PAY which I use for normal internet access on my computer, this costs me about 30.00 for 2GB of data, it would be quite handy if I could use the USB dongle for my phone whilst I am at home. I do not have a wireless router at home.
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Apr 12, 2010
I'm fairly new to android programming and need some information for a 4th year forensics course project. Basically I am trying to create a suite of tools for live analysis of an android phone. I know how to get the information I need on the phone, but I was wondering if there was a way to communicate that information back to the PC? I want to be able to run a program from a PC, which, when the phone is docked, will allow the user to access information about the phone (ie currently running services/processes, bluetooth/wifi connections, etc). I have a bunch of methods that will run on the phone and get all the information, but I want to be able to call those methods from the PC, execute on the phone, then have the information sent back to the PC to display to the user instead of just displaying it on the phone. This is to leave as small a footprint on the phone as possible.
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Aug 6, 2010
I am having a strange problem with the Sprint mobile hotspot. When I am in a 4G area, my phone picks up and uses 4G with no problem. However, the instant I turn on the mobile hotspot, the 4G connection drops, and the phone reverts to 3G. The moment I turn off the hotspot, the phone goes back to 4G. If I turn the hotspot on/off from the Wireless & networks settings page, I can see that the instant the hotspot finishes initializing, the 4G line goes to "disconnected." It then goes to scanning and then sits at "obtaining IP address" for several seconds, at which point it starts that cycle over again. It goes through this cycle repeatedly until I turn off the hotspot, never getting past the "obtaining IP address" stage.I called Sprint tech support, and the best they came up with was to do a hard reset and see if that resolved the issue. Before I do that, I would like to see if anyone here has any idea what might cause this issue and how to resolve it short of a hard reset. I am running the official OTA froyo OS version. The update was pushed out the day after I got my Evo, so I do not know if this issue existed in 2.1.
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Sep 11, 2010
Even though I have "Background data" and "always on mobile data" enabled, my data connection keeps dropping. The "3G" will dim itself after a period of inactivity even with having three or more bars of signal strength. For most applications this is not a issue but it reeks havoc on Google Talk (have "automatically sign in enabled) and sometimes the Android Market.My phone has been doing this for a while. I just updated to Fresh 3.2 and installed the latest radios. Still having the same problem. What can I do to fix this? Has anyone else had this problem before.
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