Android :: Check Internet Connection Status?
Aug 12, 2009
I'm basically trying to check that the device is connected to the internet to that I can access and parse an RSS feed. This is also the 1st android app I have written so I'm still finding my way around so any help/advice would be appreciated. I'm sure the variables should be assigned to something but I don't know what. The classes don't appear to have public constructors so I can't do "WifiInfo info = new WifiInfo()".............
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Nov 6, 2010
I was wondering if would be possible to perform an action for each time the USB status of the device changes.
For example if the user plugs in the cable and it is in sync/charge mode it performs a certain action, if the user then changes the phone into USB Memory Card mode another action is performed and if the user then disconnects the cable then the another action is done.
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Aug 20, 2009
What is the simplest way to check whether my app can access the internet? I am using some APIs that use the internet, but they crash if there is no connectivity. So I just want to check if there is internet access by any means.
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Mar 31, 2010
How can I check got a successful Internet connect (Wifi/3G/whatever else) I already display an error to the user if they don't have Wifi connection but how can I make sure then that the user does got 3G connection if they wish to connect to use the application without the Wifi connection?
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Dec 30, 2009
I was trying to make an anonymous class to upload a file to a server.
I wanted to make that easily reusable much like some kind of component.
Everything works fine but as a final touch i wanted to add a function to check if internet connection is available.
Problem is, the call to the connectivity manager needs the Context :
ConnectivityManager connec = (ConnectivityManager) getSystemService (Context.CONNECTIVITY_SERVICE);
Since i'm in an anonymous class and I've read that it's not a good idea to pass the whole context to classes, I wondered about two things :
1 - Is there another way to check internet connection without the Context ? 2 - Why in Android internals make it necessary to have the context just to check if the device is connected to internet ?
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Feb 14, 2009
Is there any way to poll the state of a given hardware key? I'm not talking about using an event.
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Nov 15, 2010
I have to do login with my app.
After the login, if it is correct, I wanna show a tabview with:
- My Stats
- Upload Photo
- MapView
This is my code for the login activity
CODE:.......
How can I check if the Login is correct or not?
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Jun 6, 2009
I'm trying to check if the phone is currently asleep in a service. It's currently a very messy implementation (I'm reading a file in the filesystem that says if the phone is asleep or awake every 10 seconds) so I'm wondering if this is possible with PowerManager or something.
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Jan 7, 2010
How can i check the current status of the GPS receiver?
I already checked the LocationListener onStatusChanged method but somehow it seems that is not working, or just the wrong possibility. So basically i just need to know if the gps icon at the top of the screen is blinking (no actual fix) or solid (fix is available)..
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Sep 2, 2010
I have made an app that sets notifications in the drop-down status bar of Android phones. However, there is a bug in my code (sometimes the notifications are set, sometimes they are not). I want to be able TO CHECK (in the code) IF THE NOTIFICATION IS VISIBLE TO THE USER. (i.e. can the user see the notification in the status bar?).
How can I do this?
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Jun 15, 2010
Android developers can check this code to check the network status on wifi and 3g mobile
You need the following permission to get status view source print? 1 <uses-permission android:name="android.permission.INTERNET"></uses- permission> 2 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses- permission>
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Feb 15, 2010
I would like to know if it's possible check connectivity in android without having a Context, because the thread i have running in background doesn't know the context. if there's no way, is a best practice passing to the thread the context?
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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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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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Nov 12, 2010
Iam connection to services trougth my app, I woul like to check if the connections gets broken, alert a message than.
Or is this taken carre of in android? If not, How should I take care of it? is there a timer?
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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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Oct 13, 2009
I got a AsyncTask that is supposed to check the network access to a host name. But the doInBackground is never timed out. Anyone have a clue? code....
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Feb 24, 2010
I want to check the internet connectivity in each activity. If it is lost a message should be displayed.
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Jun 5, 2010
Is there a widget for sound profiles? I know I can create a shortcut for the "sounds and display" setting but it would be a lot easier if I can toggle say, normal, silent, and vibrate from a simple widget.
Also I frequently have bluetooth devices connected to my phone. I've found a lot of bluetooth toggle widgets, but I'd like to be able to check the device status via my home screen.
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Jan 9, 2010
I'm working on a security project which needs connect to internet in a stealthy manner. It will be perfect if our app can access internet without asking for the permission INTERNET. I found it is OK to open browser with a URL without that permission but the user will notice that. Is there a way to access Internet without the INTERNET permission and hide from user?
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Jul 2, 2010
I'm doing Major Project on my final year and I'm very new to Android plus I;m not good at codings. I need help with my login page. I've created something like a database connection java file which is this:
CODE:......................
I've already created a database for users using SQLite. The database name is Users and the table is called User. The records inside the table are Username, Password, LastName, FirstName. I've inserted one user's info into the database. The problem is I do not know whether my UserDB.java is correct.
And I've also created login.java. Hardcoded Login page:
CODE:........
So I want to know how I should apply the database connection on the login.java. Should I insert database connection something like db.Open();? I studied ASP.Net a few months back and I kind of forget most of what I've learnt.
So how should I open the database connection on login.java and how to check with database whether the user enters the right username and password?
Just incase you need my xml, here's the code:
CODE:......
I need to learn how to do it so that I can apply for other pages for example Register.java page.
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Sep 24, 2011
I want to check that the network connection is alive on the phone from program but when i try to run this code
Code:
private boolean isOnline() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
if (netInfo != null && netInfo.isConnectedOrConnecting()) {
return true;
}
return false;
}
I get the message "Sorry 'Appname' is stopped unexpectedly. Try again".I might have to search the solution elsewhere, i added permissions for network, run the application and got the same error but when i tried to start it from the menu it said application not installed.
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Jun 4, 2009
Any other Tweeters gettin tired of Twidroid? The dev had it perfect, in my opinion, about a month or two ago.
Since then, there's been this odd bug where sometimes you can't update, in fact, MOST of the time you can't update normally. You have to uninstall it first and then install the new version. And their solution is just to "suggest" this in the description.
Last week they had two updates and I had to install them 3-4 times each before they would work. I'd install, have it running and get told "there's a new update!" which is actually just the same update. Now when you tap exit it asks you "do you want to clear your username, password, and cache now?" If you press "no" it doesn't exit.
Unistalling/reinstalling wouldn't be such a huge deal except you have to re-enable it, re-enter your login info, and do all your settings over. By default it saves the cache to the phone, so you have to switch it to the SD card. By default it's going to check every 5 minutes and drain your battery, by default it doesn't show full messages in the notification shade, etc, etc...
It's a shame, as it worked perfectly with statusinator (for facebook). So, I could update my facebook status in statusinator and have automatically ask me if I wanted it copied to twitter, too.
But since statusinator doesn't work with cupcake, and appears to have been abandoned by the dev some time ago, I'm looking for a new twitter client.
I'm not going to pay for a client. I find it ridiculous for someone to expect me to pay for an app that runs a free service. That's like paying someone to turn on my television and change the channels.
I'm trying BuddyMob and twittered and they're both "okay" so far. Anything that's awesome, does notifications, and has a connection for facebook status updates?
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Jul 8, 2010
I'm doing Major Project on my final year and I'm very new to Android plus I;m not good at codings. I need help with my login page.
I've created something like a database connection java file which is this:
CODE:.......
I've already created a database for users using SQLite. The database name is Users and the table is called User. The records inside the table are Username, Password, LastName, FirstName. I've inserted one user's info into the database. The problem is I do not know whether my UserDB.java is correct.
And I've also created login.java. Hardcoded Login page:
CODE:.........
So I want to know how I should apply the database connection on the login.java. Should I insert database connection something like db.Open();? I studied ASP.Net a few months back and I kind of forget most of what I've learnt. So how should I open the database connection on login.java and how to check with database whether the user enters the right username and password?
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Jul 15, 2010
Info about when the phone was last connected to the charger? I ran across that last night (my first day with the Evo) and I wanted to look at it again since I unplugged it in the middle of the night and don't remember when I did so. I've only had the phone since about 5 pm yesterday but I've put it through very heavy use and so far I'm 'very' pleased with the battery life. Definitely better than my Hero so far.
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May 13, 2010
I have made an App that can connect to a program that I am running on a server, but it only seems to work with WiFi. When I try to use 3G it doesn't make the connection. Is there something special that I have to turn on or set in order to use 3G?
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Nov 22, 2010
I have work on Application That use Internet.
It contains XML parsing from url. than Showing Progress Dialog While parsing time. Stop dialog when parsing is done. set TEXT(Data) in ListView.
My issue is that, When device is connected to internet than my Apps works fine But when Device is not connected to internet "Progress dialog" is running for infinite time. I want to stop dialog if device is not connected to internet or wifi. how to do this? I have change my mind i want to check internet connection when i click on button. what i have tried so far is..
CODE:...................
But this is not working.if device is not connected to internet than i want to show AlertDialog. otherwise it will start Activity.
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Aug 20, 2010
In my application I must use the internet connection ,so I check it first before I open an URL connection using this :-
public boolean IsConnectedToNetwork(ConnectivityManager conManager) { NetworkInfo allNetworkInfo = conManager.getActiveNetworkInfo(); NetworkInfo currNetworkInfo; boolean anythingConnected = false; for (int i = 0; i < allNetworkInfo.length; i++) { currNetworkInfo = allNetworkInfo[i];
if (currNetworkInfo.getState() == NetworkInfo.State.CONNECTED) { anythingConnected=true; }
}
return anythingConnected; }
However this code runs well when I connected to either the operator internet Or to a Wi-fi network. But when I'm connected to the operator but without credit and no internet the mobile also sees it as there's internet,or even connected to a Wi-fi network but without internet gateway it also sees as if it's connected to the internet.
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Jan 3, 2010
when i plug my phone to htc sync, is there any setting that grant me Internet connection as well? phone data is switch off, wanna make use of the pc to access Internet. just like window mobile active-sync which allow device to connect to Internet via the PC connected via.
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Oct 27, 2010
I am a newbie to Android so please excuse me if this is a silly question or one that has been answered many times before. When connecting to and using the Internet, I am trying to find out what determines the connection that the phone will use when more than one connection is available: Wifi, 3G etc. Is there a standard priority order for connection and use? can the user set the priority order? Usually I would expect the wifi connection to be preferred for reasons of speed and cost. I have looked at my phone user guide and the official Android user guide but cannot find any information about this.
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