Android :: Info About Different Networks - Access Points Under SSID
Sep 17, 2010
If I use getScanResult() I will be able to get the information about different networks but for example if I am in a school where all access points are under network (SSID) "The school". Will getScanResult() filter out other access points than the one it's closest to and only return 1 BSSID for that network?
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Nov 7, 2009
Just got my hands on a Droid and now I'm working out some kinks. My iPhone and laptop have no problem roaming aggressively between multiple access points we have at work that share the same SSID. I can't seem to get the Droid to do the same thing. I've tried downloading some wifi scanners, but they don't quite cut it. Is there a setting I'm missing? The expected behavior would be for the Droid to happily associate with any AP that shares a "remembered" SSID. Right now, it requires manually going into settings and associating with each and every AP in order for it to hop automatically as I move around the building.
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Aug 1, 2009
I am just a beginner in the Android and was experimenting with HTTP.I have published the result of my experimentation through the following link http://kausikdas.webs.com/apps/blog/show/1489440-http-in-android. I am yet to get a device but working with the Simulator.I need feedbacks on the possible network problems I should handle. e.g.: 1. Do I need to discover the access points and dial one before connecting? 2. How can I know which services (Data/Data & Voice/Voice/No/Emergency etc.) current network is supporting? 3. Anything more to take care of?
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Jul 16, 2010
I have some code that uses a network connection. I create a connection by calling openConnection() on a URL object. Is there any documentation that explains how this process works? Which access point is being used? When that access point becomes invalid, will it automatically switch to another accespoint? etc. I would like to use only WiFi access points and otherwise fail even tho 3G or GPRS could be available, is that possible?
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Feb 9, 2009
I am developing an application on the android platform. The app performs continues WiFi scan and sends information about the list of visible access points to server. However, I need to remove all the Ad Hoc points. The android.net.wifi.ScanResult api does not seem to have any information on "mode" of the network. Is there anyway I can distinguish a given point is Ad Hoc or Master?
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Aug 9, 2010
I am building an application reading the signal strength of each available WiFi access point. I've written code like:
wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
// Get WiFi status
WifiInfo info = wifi.getConnectionInfo();
textStatus.append(" WiFi Status: " + info.toString());
// List available networks
List<WifiConfiguration> configs = wifi.getConfiguredNetworks();
However, I have two problems:
In debugging, configs only contains one connection. However, I can see that there are several APs available in the system's wifi setting. i.e. configs is an incomplete list. I don't know how to get the signal strength in Wifi Configuration. I am using HTC Hero and Android 1.5.
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Nov 16, 2010
I have a Samsung Galaxy S, running Froyo. I have an issue with WiFi handover, so I am posting here (in addition to the SGS section) in case this is an Android issue rather than an SGS-specific issue. I have two WiFi Access Points (APs) at home, both using the same SSID, but on different channels.
I expected the SGS to automatically move (handover) from one AP to another based on signal strengths that vary depending on where I am. However, this does not happen. It stays on the AP that it is connected to, even when moving to very poor signal levels. I need to manually trigger this (e.g by disconnecting from the AP). Any configuration or Android app. By the way, I also tried configuring the APs with different SSIDs, but this didn't work either.
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May 13, 2010
I am currently trying to write a class in Android that will Scan for access points, calculate which access point has the best signal and then connect to that access point. So the application will be able to scan on the move and attach to new access points on the go. I have the scanning and calculation of the best signal working. But when it comes to attaching to the best access point I am having trouble. It appears that enableNetwork(netid, othersTrueFalse) is the only method for attaching to an Access point but this causes problems as from my Scan Results I am not able to get the id of the access point with the strongest signal.
This is my code:
---
public void doWifiScan(){ scanTask = new TimerTask() { public void run() { handler.post(new Runnable() { public void run() { sResults = wifiManager.scan(getBaseContext());
if(sResults!=null) Log.d("TIMER", "sResults count" + sResults.size());
ScanResult scan = wifiManager.calculateBestAP(sResults);
wifiManager.addNewAccessPoint(scan); } }); }};
t.schedule(scanTask, 3000, 30000); }
---
public ScanResult calculateBestAP(List<ScanResult> sResults){ ScanResult bestSignal = null;
for (ScanResult result : sResults) { if (bestSignal == null || WifiManager.compareSignalLevel(bestSignal.level, result.level) < 0) bestSignal = result;
} String message = String.format("%s networks found. %s is the strongest. %s is the bsid", sResults.size(), bestSignal.SSID, bestSignal.BSSID);
Log.d("sResult", message); return bestSignal; }
---
public void addNewAccessPoint(ScanResult scanResult){ WifiConfiguration wc = new WifiConfiguration();
wc.SSID = '"' + scanResult.SSID + '"';
//wc.preSharedKey = ""password""; wc.hiddenSSID = true;
wc.status = WifiConfiguration.Status.ENABLED;
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wc.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
int res = mainWifi.addNetwork(wc);
Log.d("WifiPreference", "add Network returned " + res );
boolean b = mainWifi.enableNetwork(res, false);
Log.d("WifiPreference", "enableNetwork returned " + b );
}
---
When I try to use addNewAccessPoint(ScanResult scanResult) it just adds another AP to the list in the settings application with the same name as the one with the best signal, so I end up with loads of duplicates and not actually attaching to them. Can anyone point me in the direction of a better solution?
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Oct 27, 2010
I think this should be simple enough but I haven't found a solution. I would like to leave my WiFi radio on. This way, the phone will automatically connect to certain access points (that I have previously connected to). However, there are certain access points that I would only like the phone to connect to if I elect to manually connect to them. I can't seem to find this setting anywhere. The only two options I have on access points once connected is to Forget network and Change password. I want it to remember those but only connect when I manually tell it to.
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Aug 21, 2013
I moved from Galaxy S4 to Galaxy Note 2.
Everytime I take a new phone, during initial setup it gives me to restore my settings from Google which when I enable I get all my saved wifi-access points.
This time however by mistake I didn't allow Google to restore that data in my Note 2 so now I haven't got any saved WiFi passwords.
I had backup of all user and system data from S4 via titanium backup and I tried to restore WiFi access points in Note2 which wont work (maybe compatibility or something, I don't know)
how can i re-enable or force a re-sync that Google to restore my WiFi access points to my mobile or what can i do to get all my saved WiFi profiles back.
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Nov 13, 2013
I use an AppLocker on my daughter's phone. It works great, but there is one problem it causes.I need to keep her and others out of the settings so it's blocked. But I need to be able to allow her to add access points so she's not eating away our data plan.
Is there an App Locker that will allow this? Or is there an alternative Wifi manager that I could install and allow that would work even when settings is blocked?
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May 9, 2010
Does anyone knows if the wifi networks for android phones are based on Access Point Names (APN) ? I ask because in my android application I plan to overwrite some fields in all APN's to disable cellular network, but I still want to have available the wifi for the user.
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May 5, 2010
I have a couple of questions about connectivity on Android, if anyone has any insight it would be great. What is the default when an application wants to wirelessly connect? Is it WLan? And if WLan is switched off or there is no access points around is it 3G or GPRS? Is a device always ip connected? Or when its disabled from WLan or 3G does it's lose its IP address?
Is an application, for example the browser only ever connected to one IP address? Or can it be connected to multiple addresses for each radio such as GPRS or WiFi (WLan)? Can an application decide which connection to open a socket to? For example can I create an application and decide whether to connect the socket to the WLan or GPRS? Or does the OS decide? Finally how do native applications handle connectivity? In the same manner?
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Sep 6, 2010
Just wanted to refresh for those that arent aware of this coming merger.
"from 5th October, 30 million customers the combined customer base of Orange and T-Mobile in the UK - will be offered the opportunity to access both networks, enabling them to make calls and send texts in more places in the UK for no extra cost."
This is great news from those suffering from sub-par reception, and im pretty sure will obliterate the competition in terms of available phone signal.
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Jan 19, 2013
Is it possible to control what information apps can access. For example can I block certain apps getting my location information via GPS or other ways. But still be able to use the app.
GT-I9100
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Apr 30, 2010
Can Android connect to a network with a hidden SSID? I hide the SSID on all my wireless networks. I've tried two android phone's that simply fail to connect. Is there something I'm doing wrong, or can android just not see hidden networks? I connect to broadcasting networks just fine.
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May 14, 2010
I need to joint school's Free WiFi, but it have Hidden SSID. If I create new WiFi Connect it doesn't work. I can't joint it.
HTC HERO
Android 1.5
HiddenSSID Enabler doesn't work ..
Anyone can help me?.. thank a lot..
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Aug 23, 2010
I have tried virtually every combination of wireless security protocol, b/g/n, hidden ssid enabler, manually adding WiFi network making sure to input password over the past two days. nothing works.
Dlink router DIR-625
Samsung Galaxy S canada
Android 2.1 update1
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Aug 19, 2010
I have several remembered WiFi SSIDs on my Droid, including my home WiFi and one for the local library, which are at least 4 miles apart. I just discovered that my Droid is indicating I am connected to the public library WiFi (as shown in my settings screen), when I'm actually connected to my home WiFi. Just to make sure before posting this, I used Network Discovery to confirm that the devices visible to my Droid were the devices on my home WiFi. Other than the incorrect SSID display, the connection seems fine.
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Oct 21, 2009
I have a D-Link WAP set up for G/N and also set so that it does not broadcast my SSID. My new Hero is able to connect at work to our WAP (WEP security), but at home it can't find my WAP (WPA security). If I change my setting so that it now broadcasts my SSID it can connect, but what the heck? Why can't it connect if I've input the SSID and WPA code, but the SSID isn't broadcasting?
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May 4, 2014
At my work they set the wireless with two channels. One is open to everybody with an email verification and allowed users to connect for 2 hours a day and the other is a hidden SSID that the workers can use all the time. In my iphone I have no issues. I add the network manually and it connects. But on my Sony xperia Z1 when I go to wifi and add the hidden SSID it just said not in range while the other network is in range. So far I tried the Hidden SSID enabler app with no luck. My device has kitkat 4.4.2 and is rooted.
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Sep 28, 2012
I recently installed a new Custom Rom "TheBrainsRom" on the SSpeed Kernel v3 on my Xperia U. All was fine until i tried to turn on the Tethering. It shows that it is tethering but then it doesnt broadcast. At times, the Status Bar also gives a force close issue.
Is this usually to do with the Kernel or ROM handles such functions independently. What could i do in order to avoid having to reflash the device.
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Sep 1, 2010
I can connect to my wireless router if the SSID is being broadcasted. I cannot connect to the wireless router if the SSID is not broadcasted. I know that on my laptop, this is still achieved. I was wondering if the same could be done with the DINC. Is there a way to connect to the router when the SSID is not broadcasted?
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Aug 8, 2009
I own a HTC Hero and loving the phone but unfortunately I am having problems connecting to my WiFi network. When I turn on the WiFi on my hero it will not show the SSID name of my network. The odd thing is that when I use WiFi scanner (nice program) it shows my WiFi network SSID, but I cannot connect to my WiFi using that program.
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Jul 4, 2010
I used to keep my SSID broadcast at home disable, and four computers have never had a problem using the network. Only my Incredible doesn't seem to be able to reconnect to a remembered network not broadcasting its SSID. In fact, if I turn off the SSID while the Incredible is connected, it instantly drops the WIFI connection. Anyone have luck having the Incredible use a network without the SSID being broadcast constantly? I'm using WPA2 if that makes a difference.
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Feb 9, 2010
This is something that has been addressed with other handsets, and other users, sometimes with success, and sometimes without. My friend has solved this problem with his HTC Hero. You're trying to connect to a WiFi network that is hidden. In other words, the name isn't broadcasted. In other words (again), your WiFi won't automatically find this network.
So you manually type it in Menu > Settings > Wireless Ctrl > WiFi Settings > Add WiFi network. You type in all of the details. No connection. As if it's not there. So you find that some others with their Android phones, have found success using HiddenSSIDEnabler from the Market. Removing the 'Remembered' network. Adding it freshly. Using HiddenSSID. Removing it again. Adding it again. In any order. No luck. onnecting to a non-broadcasting wireless network
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Dec 13, 2013
At work we have about 50 different hotspots with each having their own SSID and password. Is there any way for me to mass enter them from a list into my Moto X?
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Jul 16, 2010
Anyone have a problem connecting to a network with a hidden SSID? My wife can connect to our router fine with her Droid INc (wireless N router). But i can't unless i enable broadcasting the SSID. I found the hidden SSID enabler app, and going to try that. If that doesn't work does anyone else have any ideas? If i enable SSID broadcast i connect right away. If i disable it, i lose the connection and it is "out of range". Very annoying as i live in a condo unit with 10 other wifi networks in my range. Would like to keep my netwrok as private as possible.
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Dec 17, 2012
Any app which allows to set the preferred wifi network to connect to?
specifically, I want my phone to always connect to network "A" whenever it becomes available, and even if it is currently connected to other networks with a stronger signal.
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May 15, 2010
The issue that I am having is that if I turn off SSID broadcast on my router, the phone can not connect to the wifi. If SSID broadcast is turned on there is no problem.
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