How to check currently internet connection is available or not in android

Question

I want to execute my application offline also, so I need to check if currently an internet connection is available or not. Can anybody tell me how to check if internet is av

Answer 1

package com.base64;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Base64;
import android.widget.ImageView;
import android.widget.Toast;

import com.androidquery.AQuery;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if(isConnectingToInternet(MainActivity.this))
        {
            Toast.makeText(getApplicationContext(),"internet is available",Toast.LENGTH_LONG).show();
        }
        else {
            System.out.print("internet is not available");
        }
    }

    public static boolean isConnectingToInternet(Context context)
    {
        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;
    }
}

/*  manifest */