Android Internet Connection Detect

In this tutorial we will explain how to detect Internet connection. the internet connection we will find before  call http request and json etc , in our android application.

first you have declare internet accuses permission in Manifest.xml.



 <uses-permission android:name="android.permission.INTERNET" />
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

Internet_Status.java
..........................................................................................................................................................

package com.androidbeginnerpoint.testapplication;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class Internet_Status {
   
    private Context _context;
   
    public Internet_Status(Context context){
        this._context = context;
    }

    public boolean isConnectingToInternet(){
        ConnectivityManager connectivity = (ConnectivityManager) _context.getSystemService(Context.CONNECTIVITY_SERVICE);
          if (connectivity != null)
          {
              NetworkInfo[] info = connectivity.getAllNetworkInfo();
              if (info != null)
                  for (int i = 0; i < info.length; i++)
                      if (info[i].getState() == NetworkInfo.State.CONNECTED)
                      {
                          return true;
                      }

          }
          return false;
    }
}

MainActivity.java

in this class create a Internet_ststus.java instance and find is return value.

.............................................................................................................................................................

package com.androidbeginnerpoint.testapplication;

import android.annotation.SuppressLint;

import android.app.Activity;

import android.app.AlertDialog;

import android.content.DialogInterface;

import android.os.Bundle;

import android.widget.Toast;

@SuppressLint("NewApi")

public class MainActivity extends Activity {

boolean isInternet_connect= false;

 

// creating connection detector class instance

Internet_Status detect_internet=new Internet_Status(getApplication());

@SuppressLint("NewApi")

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

getActionBar().setTitle("Internetconnection tutorial");

setContentView(R.layout.activity_main);

isInternet_connect=detect_internet.isConnectingToInternet();

setContentView(R.layout.activity_main);

// check for Internet status

if(isInternet_connect) {

Toast.makeText(getApplication(), "Internet connection is persent", Toast.LENGTH_LONG).show();

AlertDialogBox("your internet connection is persent !");

  }

else {

AlertDialogBox("your internet connection is Not persent !");

}

 

}

public  void AlertDialogBox(String str) {

AlertDialog.Builder builder = new AlertDialog.Builder(this);

builder.setTitle("LOOK UP");

builder.setMessage(str);

builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

}

});

builder.create().show();

}

}