Android :: CDMA 4G Network Connectivity?
Oct 30, 2010My app doesn't connect through HTC EV0-4G. How app can access network through CDMA 4G.
View 1 Replies
View 1 Replies
Android :: Get Network Info On Cdma Network
Nov 18, 2009do you know how to get the Home country code, current country code, the Mobile directory number on a cdma network. I see TelephonyManager.getNetworkCountryIso() can get the current country code, but it is not reliable on cdma network.
View 2 Replies View RelatedAndroid :: Network Connectivity In Java
Nov 17, 2010I have a simple java code which gets html text from the input url:
code:................
I am using this code in an android project. Now the problem comes when there is no internet connectivity. The application just halts and later gives error. Is there some way to break this after some fixed timeout, or even return some specific string after an exception is thrown.
Android :: Checking For Network Connectivity?
Oct 6, 2010I have an IntentService which makes some web service calls. Before making these calls I check to make sure the device has network connectivity.
I am doing so like this:
CODE:.............
Unfortunately, when I'm debugging on my Android device, this returns false when I have both a network and a wireless connection.
Some interesting tidbits about connec.getNetworkInfo(0):
CODE:...................
Clearly this code is not sufficient (perhaps it would only return true if I sent some bit over the network and turned the radio on?). Moreover, since I'm not well versed in the ConnectivityManager, I'm assuming I should probably be scanning all networks (ie: getNetworkInfo(0 through N)).
Android :: Network Connectivity Checking Without Wakelock
Mar 26, 2010I have a terrible bug in my widget. The widget is waken up using an AlarmManager (the update interval is chosen by users, ranging from 30 mins to 2 hours) to grab some data from the Internet and display it on the widget. I do not hold a wakelock since if the phone sleeps, just let it sleeps. There's no way to update the information since nobody will see it. If I put the phone in the basement (has no wi-fi or cell signal) for about an hour. the phone will definitely not update anything. However, when I get it back from the basement, the cell network could never be recovered again no matter how long I have waited (it just get an X on the cell signal icon on the notification bar) that I must restart the phone. May I know if a partial wake lock must be held on checking network availability?
Find the code skeleton as below:
CODE:.................
Android :: Forcibly Using 3G Or CDMA Network Though Wifi Available
Jan 14, 2010My question is, as you can see the title, can i use 3g network even though wi-fi is available? i heard wi-fi priority is higher than 3g or cdma. can i change that priority in specific application? this is one of requirement of the project. if anybody has an answer,
View 14 Replies View RelatedAndroid :: How To Find IP Address On CDMA Network?
Aug 16, 2010How can I find the IP address of the an HTC incredible connected to Verizon's network? My other question - do I have to make any changes to my App to run it on a cellular network? Till now the App was running on a Nexus One connected to a local Wi-Fi network.
View 2 Replies View RelatedAndroid :: No Network Connectivity In Service/AlarmManager Process
Mar 24, 2010I have a Service/AlarmManager set to go off ever hour; as seen at: http://github.com/commonsguy/cw-advandroid/tree/master/SystemServices...
The Alarm triggers a Socket connection to communicate with a Web Server. I'm logging the interaction to a file so I can see it later. When I leave the phone on my desk for a day, it seems that more often than not I get a "Network unreachable" error when trying to do any networking.
I believe it is related to how deeply the phone goes into sleep. Is there a special kind of lock I have to hold, or some command required to prep the wireless radio so that it can be ready to access the Internet?
HTC Incredible :: No Network Internet Connectivity
Apr 29, 2010So I dropped AT&T for the Incredible and my number successfully ported over, but I cannot connect to the Internet.I can make/receive calls and SMS, but no Internet besides wifi.I've been on with vzw support and went through reactivating the phone (*228) and a couple hard reset to no avail.They said it could have something to do with porting from AT&T, but I'm not understanding that connection.I don't have too much faith in support figuring out so I'm trying this forum. Does anyone have a clue how to resolve this or is it a defect with the phone.Some details: there is no 3G symbol near the signal status bars.Settings/Wireless & networks: shows "Mobile Network" with a green check, buts its grayed out so no action can be taken on it.Directly underneath "Mobile Network" it says "Turning on..." and it seems to flash that status every once in a while.
View 5 Replies View RelatedAndroid : Read Only Time - Locally Without The Involvement Of Server Or Network Connectivity
Feb 12, 2010I would like to implement a functionality in my game to give some daily goodies. But user can easily abuse it by changing the date of the device again and again. I know this can be easily implemented through some server. Is there any way to handle it locally without the involvement of server or network connectivity?
View 2 Replies View RelatedHTC EVO 4G :: CDMA Network - Searching For GSM Signal?
Jun 11, 2010A friend of mine is a member of the EVO Facebook group and sent me to a link which reads as follows:
"For those of you having battery issues I found a way to Dramatically improve the battery life.
First things first, go into Settings> About Phone> Battery> Battery Use> Cell Standby. Assuming your phone has been on, or off the charger for ~10 minutes, it should show Time Without Signal at around 50%. Next thing, press Home and bring up the dialer. Dial *#*#4636#*#* (Do not press "Call"). After a second, it should bring up the "Testing" menu.
Go into Phone Information, press MENU, and tap "select radio band." You should experience a Force Close, don't panic, this was supposed to happen. Scrolling down shows that the preferred network type is GSM auto (prl). What this means is that even though you are connected to a CDMA network, your phone is trying to find a GSM network, preventing the radio from sleeping, and causing excessive battery drain. Remedy this by tapping GSM auto (prl) and changing it to CDMA auto (prl).
Now your done, your TWS should drop dramatically, and you should experience much better battery life!
Note: You need to do this every time you reboot."
I've changed it on my phone just now and the service still works as normal. I guess we'll see if the battery life increases. If this works and with overclock widget I should be getting some crazy battery life now!
HTC Incredible :: Why Cannot Software Toggle Network On CDMA?
Aug 8, 2010I have a CDMA Android phone, the Droid Incredible on Verizon. I have a pretty good background with electronics, hardware and software. Can anyone please tell me why all the apps in the app market state they are unable to toggle network connectivity off and on on a CDMA device? My device runs HTC SenseUI. There is a toggle widget that allows the mobile network to be turned on and off. There is a settings section that allows it to be done. Why don't applications have access to this functionality?Someone PLEASE be technical and detailed. This is a frustrating limitation that I just don't understand.
View 1 Replies View RelatedSamsung Epic 4G :: No Internet Connectivity / Network Settings
Nov 14, 2010My Epic 4G just lost all connection to the internet about an hour ago. Out of the blue, so to speak. I was browsing, set it down, then when I used it again it wouldn't connect. My browser, facebook, and any other connection required apps throw error messages saying - "connection error", "no connection". I've reset the phone several times, and as far as for the network settings, everything looks set the way it always is. I have done nothing to the network settings/options to have accidentally messed it up myself. I am connected via 3G, and this network problem is new to me. This phone has been nothing but constant problems and this is the newest one in a long list.
View 2 Replies View RelatedSprint HTC :: Unlocking Cdma Hero On Sprints Network?
Dec 27, 2009does anyone know how to unlock a cdma htc hero on sprints network?
View 4 Replies View RelatedMotorola Droid :: CDMA Network Working Improperly?
Oct 24, 2009I'm not familiar at all with the differences in the networks in terms of CDMA, GSM, etc. I just read a news brief about the DROID possibly going to ATT at some point and the person writing it said something to the effect of "for those not wanting to be tied to the verizon's CDMA network." I thought verizon had the best network. I realize that in the past Verizon has crippled phones, but not sure if that has anything to do with what he was referring to, doesn't sound like he was talking about that.
View 1 Replies View RelatedSony Ericsson Xperia X10 :: WiFi Connectivity Setup / Phone Cannot Find Network
Aug 11, 2010I bought my Xperia x10 mini yesterday, and one of the first things I did was to set it up for WiFi in my house (which I already have 2 laptops and a stationary PC connected to). Setting it up was easy and quick, but my phone doesn't find the network, not even if I am standing right beside the router. I have tried to restart the WiFi connection, restart my phone, delete and re-add the home connection, but the phone still doesn't connect to the network.
The network's SSID isn't broadcasted for security reasons, could this be the problem? When I search for networks, it doesn't find any 'unnamed' networks like the windows pcs do. (which is normally the one I need to connect to.) Is there something wrong with my hardware? Or my software (my phone is completely up-to-date)? (Except broadcast the SSID, which is not an option..)
Android :: Android To Open Network Connection On Specified Network Interface - Network Type
Mar 6, 2009I have been looking at the ConnectivityManager class documented at http://developer.android.com/reference/android/net/ConnectivityManage... .
I would like to know if an Android application can open a network connection (socket) on a specified network interface [on a device supporting multiple network interface types WiFi, Cellular, WiMax etc] ? I am looking for the capability for an application to open a socket on a given type of network for example over WiFi network or over 3G Cellular Data network.
If this is possible in Android, how would I code this requirement within the API Framework ? The ConnectivityManager enables an application to learn about available network connections and currently categorises them as either TYPE_WIFI or TYPE_MOBILE.
There is a member function in the ConnectivityManager class called requestRouteToHost(int,int) [url] which "Ensure that a network route exists to deliver traffic to the specified host via the specified network interface. An attempt to add a route that already exists is ignored, but treated as successful." Sounds like this would install an IP routing table entry to reach a given host via a specified network interface type (WiFi or Mobile). After calling this would it be sufficient for an application to open a socket and connect to the desired destination address ?
Or perhaps the application needs to bind() a socket to a local address of a network interface of the desired type (WiFi or Mobile) Or by setting a socket-level socket option of SO_DONTROUTE ?
Android :: Wi-Fi Connectivity With 1.6
Oct 28, 2009My application has some code which detects if the Android device is connected to a Wi-Fi or Mobile network.
The code appeared to be working fine for Andoid 1.5, but does not seem to work correctly for Andorid 1.6.
Here is the code I am using:
CODE:..........................
Under Android 1.5 this code would correctly detect if the current connectivity was Wi-Fi or Mobile. However under Android 1.6 the call to getActiveNetworkInfo seems to always return a networkInfo instance with the type set to TYPE_MOBILE. This is happening even though the icons in the bar at the top of the android screen show the Wi-Fi connected icon with the full signal strength bars showing.
I don't know if this means that under Android 1.6 it is actually using the phone data network for connectivity instead of the Wi-Fi connectivity when both networks are available, or if the getActiveNetworkInfo call is just returning the wrong information for Android 1.6.
Has anyone else seen this issue with Andoid 1.6? It would be too bad if 1.6 is really using the bandwidth on the phone data network instead of the Wi-Fi network when both networks are present. Does anyone know if there is a different way to correctly detect if the Android device has Wi-Fi connectivity?
Android :: Connectivity On H In Status Bar / Now On G Or 3G
Apr 29, 2010I am with first Droid phone. I have had an HTC Desire for approximately 1 week and absolutely love it. When I first got the phone, the connectivity was always H in the status bar, with very good I-net speed. For some reason, unbeknown to me, it is now a G, sometimes a 3G. The speed is still quite good though. This 'change' would appear to have been since I received a text from T-Mobile (I'm aware of the 'G' issues on their forums) alongwith the lines. They hoped I liked their new webpage. Now they have reverted to the original webpage I may have to re-load my favorites. I have not had to do this, thankfully. Under Wireless & Networks, WiFi is off, as I am on an 'unlimited' 3GB plan, and I am using GSM/WCDMA auto under Preferred network mode.
Questions: -
1. What is the difference between the three, namely H, 3G and G?
2. Which is quicker?
2. Can I change it back to H, if I wanted, as I believe it was quicker?
4. Sometimes, although not very often, the G, 3G and H disappear altogether and I am left with no connectivity at all. However, if I try to access the I-net, I can, and either the G, 3G or H appear again miraculously. Is there a particular reason for this?
Hope to hear from you experts soon and apologies for such basic questions, as I'm still getting used to using a droid. My last phone was a Nokia N95 2GB. Huge difference!
Bluetooth Connectivity And Android?
Aug 21, 2013We are developing an Android application that uses bluetooth to connect to a board that we developed. If we try to connect to the board after the system has been off for a while, the system connects correctly and begins to stream data. The data stream will freeze momentarily, then start, then freeze, then shut off after about 6 - 8 seconds. If we try again it will repeat this process. It is almost like the Android is checking to see if it is an ok device to connect with, and decides no for some reason.
The only way we have been able to then connect again is to un-pair and then re-pair the tablet to the board. After we unpair and re-pair, the connection works well and will continue to work well until we turn the tablet off.
General :: App For Android Like Connectivity
May 19, 2012I need to do the same thing i do with connectivity but in my phone, i connect to the web with my wifi and share internet with the same wifi adapter.
i been looking into it for a while and people keep on say that i need 2 widi adapter for it but is SO no true coz i have and use only 1... I don't wanna use bluetooth at all or connect it with usb.
Android :: GSM 4G Vs CDMA?
May 30, 2010Although the title has iPhone 4G and EVO 4G, it's more about the different networks and how they are approaching giving more bandwidth to their users. Writer indicates that CDMA has maxed out it's data speeds, hence the need for 4G, but that GSM has not. Anyway, interesting take on 4G. 4G Apple iPhone, Sprint EVO: Worth The Hype?
View 19 Replies View RelatedAndroid :: How To Get Connectivity On Gprs / Edge?
Jun 29, 2010I am currently in China and therefor run a VPN on my PC to connect to the outside world, I would also like to run the same VPN (PPTP) on my android. I can connect via VPN if I am using WiFi but when I try to connect over GPRS/Edge I can't get any connectivity. All web pages load with the standard "web page not available" and apps, eg. the market place, won't connect either. I would have thought that if it was a carrier issue (CMCC) I wouldn't be able to connect to the VPN in the first place. So is this a Android issue, a setup issue or a carrier issue? And can you actuality run a VPN over GPRS om Android?
View 1 Replies View RelatedAndroid :: Emulator Internet Connectivity
May 16, 2010I am working to send request to internet and get data, my emulator show the 3G sign on it, i have also sent the permission to internet connectivity in my app. But when i click on button to send request it return null. I have checked the request link in chrom it send data successfully.
View 4 Replies View RelatedAndroid :: Internet Connectivity Check
May 2, 2010I'm new to Android development and working on an Android application that requires the phone to be connected to the internet, through either Wifi, EDGE or 3G.
This is the code that I'm using to check whether an internet connection is available
CODE:................
I've also set these permissions in the manifest file.
CODE:.................
This works fine in the emulator running version 1.5 of Android when 3G is enabled, but it crashes when I disable the 3G connection. My application throws a null pointer exception when I call isConnectedOrConnecting(). The same thing also happens on my HTC Desire running Android 2.1.
Android :: Socket Not Disconnecting When Connectivity Changes
Jan 5, 2010My chat application connects to a server and information is sent/received by the user. When the connection changes, such as 3g->wifi, wifi->3g, losing a data connection, etc, the socket sometimes stays connected for ages before disconnecting. During this time, it's impossible to tell if the connection is still active, it seems as if messages are being sent just fine. Other times, when sending a message, it will throw an IO error and disconnect.
Apart from implementing code to detect connection changes and reconnecting appropriately, is it possible to have the socket immediately throw an IO exception when connectivity changes?
I'm connecting using the following code:.........
I'm not using setSoTimeout as data may not be transferred for long periods of time depending on the remote server's configuration.
Android :: How To Check Internet Connectivity
Jul 9, 2010I am trying to check internetconnectivity in android and using following code
CODE:..........
But it gives me network/ wifi connectivity if wifi is connected it gives me true and if internet is not connected then it also gives me true.
Android :: Possible To Force Network Traffic Through Wi-Fi Or TMobile Network?
Mar 2, 2009I'm wondering if, with the G1, it's possible to force the network traffic to pass through the Wifi or through the Cell GSM network. I need to force an application to connect through the tower network to get some login information. Is this possible? Anyone have any ideas as to how this would be possible? I'm trying to accomplish this inside an app with the Android SDK (Sorry I wasn't more clear about that originally)
View 3 Replies View RelatedHTC Eris :: No Connectivity 3G Lost / Phone With Android 1.5
Aug 4, 2010Anyone else lost 3G? My phone is fine cause I haven't flashed a ROM in a few days. But I Rooted a friend of mines yesterday and flashed Suave Smush. Everything was fine until he called me this morning and said he had lost 3G. A little later it would not send or receive a text message. Then it kept saying he was out of his home network. We wipped it clean and did the Nand Restore and its fine now. His phone still has Android 1.5.
View 4 Replies View RelatedAndroid :: Messenger Application Dropped Connectivity Since 2.1
Jul 2, 2010I switched to my moment from a sidekick. I use Yahoo instant Messenger a lot and on the SK slide it was flawless. Never lagged or dropped connectivity. I have noticed my android native IM app is sluggish at best and since 2.1 the dropped connectivity isn't so much as issue, I was wondering if any of you have found a YIM app that blows the stock out of the water and/or performs as well as the sidekick IM program?
View 2 Replies View Related