Friday, October 14, 2011

Android Check the Availability of Network Example

CHECK THE AVAILABILTY OF INTERNET

SOURCE CODE [main.xml] is


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello" />
<Button android:text="Check Network Status"
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>

SOURCE CODE
[NetworkCheck.java] is

package com.NetworkCheck;

import android.app.Activity;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class NetworkCheck extends Activity
{

Button check;

public void onCreate(Bundle savedInstanceState)
{

super.onCreate(savedInstanceState);
setContentView(R.layout.main);

check = (Button) findViewById(R.id.button1);

check.setOnClickListener(new OnClickListener()
{

public void onClick(View v)
{

if(isInternetOn())
{
Toast.makeText(getBaseContext(), "Connected",
Toast.LENGTH_SHORT).show();
}
else
{
Toast.makeText(getBaseContext(), "Not connected",
Toast.LENGTH_SHORT).show();
}

}});

}

public final boolean isInternetOn()
{

ConnectivityManager connec = (ConnectivityManager) getSystemService
(Context.CONNECTIVITY_SERVICE);

if ((connec.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED)
||(connec.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTING)
||(connec.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTING)
||(connec.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED))
{
return true;
}

else if ((connec.getNetworkInfo(0).getState() == NetworkInfo.State.DISCONNECTED)
|| (connec.getNetworkInfo(1).getState() == NetworkInfo.State.DISCONNECTED))
{
return false;
}

return false;
}

}

Note:
Don’t forget to add   
in your AndroidManifest.xml.


<manifest xlmns:android...>
 ...
 <uses-permission android:name="android.permission.INTERNET"></uses-permission>
</manifest>


The OUTPUT will be



2 comments: