Android :: Check For Internet Connection Inside An Anonymous Class?

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 ?

Android :: Check for internet connection inside an anonymous class?


Android :: Check For Internet Connection

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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Android : How To Check Internet Connection?

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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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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Android :: Reference A Higher Class Within An Anonymous?

Feb 7, 2010

I have this code...

how can I reference Home class here to replace **this**, which as it is points to OnSeekBarChangeListener.

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Android :: Embed A Class Inside Textview Of Another Xml?

Nov 19, 2010

This is my layout...

This xml is the main.xml with main.java. How can i embed intro.xml with intro.java into the <Textview>?

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Android :: Loading Layout From XML Inside Of Derived Class

Mar 4, 2010

Right now I have a class that extends LinearLayout and builds the view inside of the constructor using a series of addViews. I wanted to move this into an XML file, so I have the same view defined there. My problem is that I can't figure out how to load the XML file in the constructor of the derived class. I looked up the LayoutInflater stuff, but I wasn't entirely sure how to use it in that context. Do I need to call addView() with the result of the LayoutInflater? Is this even possible? The other issue is that the context object that is passed in doesn't have the LayoutInflater methods. I'm not sure if I need an instance of Activity to do that.

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Android :: Sending A String Created Inside A Method To Another Class

Sep 12, 2010

I have code which has one activity which passes information to a second activity.
I can use this information to pass to a third activity with additional information from the result of the second activity.

I want to use gestures as a method of going back to a previous activity, but if I go back from the third to the second activity I need the information initially passed from the first to the second activity to still be present.

i.e.

First Acticity

what is Y?

answer y = 5

Second activity

User said Y = 5

what is X?

Third Activity

User said Y = 5
X = 6

Go back to Second activity but maintain the input of

User said Y = 5.

To do this I have used a bundle to pass the information between activities, but I can only access the info in the bundle from within a method within the class started by the intent.

The gesture controls are within another class, so I cannot access the bundle information from within this class as the getIntent command produces a not defined error.

What I need to do is to be able to pass the information from the bundle from the first activity to the gesture class so that I can pass it back when I go back using the gestures.

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Android :: Add TextView Programmatically Inside A View-based Class?

Jan 11, 2010

I have been trying to find a solution for this for the last 3 days but i just failed hit a final answer!

I am creating a View-based class where i show a ball bouncing of the sides. I use a Timer to control the animation.

I want to add a TextView programmatically in my view class. I am trying to instantiate an object of TextView with reference to the context as follows code...

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Android :: Check Condition Inside OnCreate() Of Activity And Display An AlertDialog?

Aug 18, 2010

I am new to Android and this is my first question here so please go easy on me.

Is it possible to check some condition inside onCreate() of an Activity and display an AlertDialog?

I am creating an AlertDialog anonymously in Oncreate() and calling show on that instance but the AlertDialog is never displayed.

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Android :: ViewFlipper Not Working Inside A Class Which Extends LinearLayout / Reason Of It?

Apr 22, 2010

When I tried to create a ViewFlipper inside a class which extends LinearLayout, its throwing an exception

"java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()".

I am creating the ViewFlipper using,

ViewFlipper flipper = new ViewFlipper(ctContext);

But when I create the ViewFlipper in a class which extends Activity, its working normally. What may the reason?

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Android :: Inside Service Class / Executing Method For Toast From Scheduled TimerTask

Apr 30, 2010

I am trying to execute a {public void} method in Service, from scheduled TimerTask which is periodically executing.This TimerTask periodically checks a condition. If it's true, it calls method via {className}.{methodName};However, as Java requires, the method needs to be {pubic static} method, if I want to use {className} with {.dot}.The problem is this method is for notification using Toast(Android pop-up notification) and Status Bar.But for this to work, the method must not have {static} modifier and resides in Service class.So, basically, I want background Service to evaluate condition from scheduled TimerTask, and execute a method in Service class.Can anyone help me what's the right way to use Service, invoking a method when certain condition is satisfied while looping evaluation?

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Android :: Check USB Connection Status?

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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Android : How To Check Connection Without Context?

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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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 :: 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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Android :: Using Service - Check If Connection Get Broken

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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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 :: Check Internet Access On Droid?

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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Android : Way To Check Internet Conection In Droid?

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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Android :: Access Internet While Bypassing Permission Check?

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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Android : Load Class From Internet Filesystem In Phone?

Aug 30, 2010

Is it posible to load a class from the internet in Android? My app would download a class with some data, save it on sdcard, and then load the class. I want this because loading data via classloader is much faster then from a file.

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Android :: Database Connection - Check Data - Login Page?

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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Check Network Connection

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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Android :: Sample Code To Create Http Connection Using AsyncTask Class?

Feb 5, 2010

I am trying to create HTTP connection using AsyncTask class.

Is it possible to create HTTP connection ?

Can you suggest sample source code?

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Android :: Database Connection Java File - Check Data - Login Page

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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Android :: Use A 3G Internet Connection In App

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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Android :: Internet Connection

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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Android :: Internet Connection Bug Or Error?

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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Android :: Anyway To Get Internet Connection With Htc Sync?

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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