Checking Internet Connection

Demo:

 

1)Main Activity:

package com.venky.checkingnetworkconnection;

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.net.ConnectivityManager;

import android.net.NetworkInfo;

import android.os.Bundle;

import android.util.Log;

import android.widget.Toast;

public class CheckingNetworkConnectionActivity extends Activity {

      /** Called when the activity is first created. */

      @Override

      public void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.main);

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

            NetworkInfo networkInfo = cm.getActiveNetworkInfo();

            if (networkInfo != null && networkInfo.isConnected()) {

                  startActivity(new Intent(getApplicationContext(),

                              BrowserActivity.class));

            }

            else {

                  Log.e("connection", "not connected");

                  Toast.makeText(

                              getApplicationContext(),

                              "Network is not Connected \n 

                               Please Check your Network Connection",

                              Toast.LENGTH_SHORT).show();

            }

      }

}

2)Second Activity:

 

package com.venky.checkingnetworkconnection;

import android.app.Activity;

import android.os.Bundle;

import android.webkit.WebView;

public class BrowserActivity extends Activity {

      @Override

      protected void onCreate(Bundle savedInstanceState) {

            // TODO Auto-generated method stub

            super.onCreate(savedInstanceState);

            setContentView(R.layout.browser);

            WebView webView = (WebView) findViewById(R.id.webView1);

            webView.loadUrl("https://www.google.com");

      }

}

 3)main.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:background="#5F04B4"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="30dp"

        android:text="Checking Network Connection"

        android:textAppearance="?android:attr/textAppearanceMedium"

        android:textSize="15dp"

        android:textStyle="bold" />

</LinearLayout>

4) browser.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <WebView

        android:id="@+id/webView1"

        android:layout_width="match_parent"

        android:layout_height="match_parent" />

</LinearLayout>

5)Download this Project Click Here