Android :: Wi-Fi Connectivity With 1.6

Oct 28, 2009

My 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 :: Wi-Fi connectivity with 1.6


Android :: Connectivity On H In Status Bar / Now On G Or 3G

Apr 29, 2010

I 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!

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Bluetooth Connectivity And Android?

Aug 21, 2013

We 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.

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General :: App For Android Like Connectivity

May 19, 2012

I 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.

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Android :: How To Get Connectivity On Gprs / Edge?

Jun 29, 2010

I 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?

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Android :: CDMA 4G Network Connectivity?

Oct 30, 2010

My app doesn't connect through HTC EV0-4G. How app can access network through CDMA 4G.

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Android :: Network Connectivity In Java

Nov 17, 2010

I 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.

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Android :: Checking For Network Connectivity?

Oct 6, 2010

I 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)).

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Android :: Emulator Internet Connectivity

May 16, 2010

I 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.

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Android :: Internet Connectivity Check

May 2, 2010

I'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.

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Android :: Socket Not Disconnecting When Connectivity Changes

Jan 5, 2010

My 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.

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Android :: How To Check Internet Connectivity

Jul 9, 2010

I 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.

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HTC Eris :: No Connectivity 3G Lost / Phone With Android 1.5

Aug 4, 2010

Anyone 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.

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Android :: Messenger Application Dropped Connectivity Since 2.1

Jul 2, 2010

I 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?

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Android :: Network Connectivity Checking Without Wakelock

Mar 26, 2010

I 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:.................

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Android :: Service To Check Internet Connectivity?

Jun 29, 2010

I want to create an Android service, which notifies the main activity whenever disconnects and when internet reconnects again. I have following function for checking internet connectivity:.

CODE:...........

But I want to know, how to use it in a service.

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Android :: Possible To Create Connectivity Of Droid With Ftp Server?

Jun 21, 2010

Is it possible to create the connectivity of android with ftp server. i am going to create an application where login information about user is placed on ftp server.

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General :: Remote Sound Connectivity To Android?

Nov 14, 2012

I have a small issue with my remote connectivity to my android, the scenario is simple and my target is to connect to my android remotely through my laptop while the android is connected to my PC in the other room through USB cable, so what I have done already is that am connecting the Android to the PC through a USB cable and the PC to the Laptop through the LAN, now am connecting Remote desktop from my laptop to the PC and on the PC I installed application that can connect to the android so I can totally see the skin of my android and control it, but the final thing I wish to do is to make a phone call, here I connect a Bluetooth to the PC and I connect the Bluetooth as free handset to the android it didn't totally work, you see its interesting scenario and if we work together we can accomplish something really assume

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Android :: Phone With Good Internet Connectivity And Applications

Sep 25, 2010

I am looking at which HTC phone to buy. I need WiFi to connect to the Internet at home. I also want PUSH email, my understand of PUSH email is that every half n hour or something I can get the software to go out and search for new emails whilst not having to go into the app and click refresh to see new emails, something which I have to do on my N95. I also need a decent SatNAV, now I know that google navigation is out. I don't know how good it is due to the lack of information out on the Internet. Do all HTC phones drain the battery with GPS? Okay so I need SatNAV, then I also need a phone with decent car cradles, I need something that enables me to rotation it portrait and landscape easily.

Do HTC phones come with a car charger in the box? I also use Gmail a lot, now is there any advantages that I will get from getting a HTC phone and utilizing my Gmail account, as well as calendar. Is there a simple way of getting the phone to sync with outlook such as the tasks and notes you make? Are most applications on Android free? Do the phones last a long time? I like the idea of the kickstand in the Droid incredible I think, that phone is very appealing for me. I am just thinking of getting the phone not for phone and text use but for just Internet and applications.

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Android :: No Network Connectivity In Service/AlarmManager Process

Mar 24, 2010

I 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?

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Android : Application Losing Connectivity After 30 Minutes On Wifi

Oct 26, 2010

I have an application which continuously fetches data from the server , downloads and plays songs ..My app runs on WiFi. After around 30 minutes , the application loses connectivity .. At that point of time if a browser is opened it connects to the internet.. But my app has lost connectivity.If i make explicit requests thru the app by user interaction the connectivity is regained, but automatic disconnection happens many times.. Even if the setting for Wifi always on is set, this this happens. This issue i observed on HTC Magic and Samsung Europa..Does anyone have an idea why this happends.

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Android :: Unable Wifi Connectivity / Cisco Wireless Router

Oct 12, 2010

So, I will try to be as detailed as possible, but this may be outside the scope of this forum. I will respond to any direct questions in regards to my configuration.I have a brand new Motorola Droid 2 and a Cisco 851w wireless router which I have configured myself.I can successfully associate the droid 2 to my wireless network. It obtains an IP address, subnet mask, gateway, etc.Using an android market ping utility, however I cannot ping externally or even to my gateway.I've tried the following in the process of my troubleshooting:tatically assigning my droid's internal addresses (and explicitly naming DNS).Unhiding my SSID Provisioning an alternate completely unsecured, unhidden wireless SSID (as opposed to an original hidden SSID, WPA2/PSK configuration)Restarting the phone and routerLaptop devices are able and have been able to associate, and pass traffic without issue for over a year.I cannot really pinpoint an issue with this setup, as I am able to associate and browse consumer/business wireless networks elsewhere without issue. Searches for the above described issue yield the same suggestions I have attempted in the process of my troubleshooting.

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Android :: Data Connectivity Problem .Server Failed To Communicate

Jan 17, 2010

Can any body tell me why this is happening..Whenever i try to open a website located in the intranet server,(or even a local machine with tomcat web server) i get this message.Data connectivity problem..Server failed to communicate.Please try again later The browser works fine for all other websites i tried google,youtube,yahoo,etc all of them worked fine.Do i need to set any other value in the emulator? Any one else got the same problem?

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Android :: License Verification Library - ServerManagedPolicy - No Connectivity - DontAllow?

Aug 5, 2010

I'm still experimenting with the LVL and I noticed that, with the recommended strategy (ServerManagedPolicy), in case of no connectivity, the callback's dontAllow() method is called.

This seems a bit odd to me and I wanted to make sure this is the expected behavior, and not a bug on my side.

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Android : Read Only Time - Locally Without The Involvement Of Server Or Network Connectivity

Feb 12, 2010

I 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?

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HTC EVO 4G :: Copying Music Via USB Connectivity

Jun 22, 2010

I hooked the usb to the phone but it does not give me an option to put music on the card that way. I am new at this.

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Connectivity State In A Service?

Jan 16, 2012

I am trying to find a way to get the connectivity state in a service, found the code below but getSystemService is red underlined.

public boolean isOnline() {
ConnectivityManager cm = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE );
return cm.getActiveNetworkInfo().isConnectedOrConnecting( );
}

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General :: Can't Get Mobile Connectivity

Jan 27, 2012

i rooted my android phone (xperia arc- lt15i, on firmware 2.3.4) and installed titanium backup, with the intention of clearing away bloatware that came bundled with the phone. I did a backup of my whole phone with the app before proceeding.

but being the idiot that i am, i accidentally deleted something called "voicemail ..." (can't remember what comes after that). now it is gone from titanium backup completely.

the thing is after i did that i immediately lost my phone connectivity (can't make calls out/3G etc) and whenever i go to settings>wireless&network settings> mobile networks, the phone crashes, with the option of 'force close'.

but wifi and the other functions of the phone still work. i tried restoring via titanium but it still doesn't work because the file was deleted.desperate for a solution, i tried a hard reset but the problem still remained, and strangely after the reset i lost control of my middle, hard home button.

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HTC Hero :: Connectivity To Google Server

Nov 20, 2010

I have recently created a new gmail account, and transferred all contacts etc. Since my Hero cannot read more than one account, I deleted my first account - planning to reconnect my Hero to the new account - thus enabling all the new data to connect.

However, my phone will not connect to the google server - thus I cannot get my contacts or calendar, and cannot get to the market. The message I get says: 'cannot establish a reliable data connection to the server'.

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HTC Incredible :: No Network Internet Connectivity

Apr 29, 2010

So 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.

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