How to check Internet connection in android

CheckInternetConnection.doc

// add permission to menifest
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
    
//create method to check connection

//check mobile network
 private boolean isNetworkConnected(){
        ConnectivityManager cm =
                (ConnectivityManager)this.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
        boolean isConnected = activeNetwork != null &&
                activeNetwork.isConnectedOrConnecting();
        Log.i("clash", "isNetworkConnected: "+isConnected);
        return isConnected;
    }
    
    //check other network
    public boolean isInternetAvailable() {
        try {
            InetAddress ipAddr = InetAddress.getByName("google.com");
            //You can replace it with your name
            return !ipAddr.equals("");

        } catch (Exception e) {
            return false;
        }
    }
    
    //if else to check connection in oncreate
     if (isNetworkConnected() || isInternetAvailable()){
            //internet is connected!
        }
        else{
          new AlertDialog.Builder(this)
                  .setCancelable(false)
                  .setTitle("No Internet!")
                  .setMessage("Please Turn On Your Internet!")
                  .setNegativeButton("Retry", new DialogInterface.OnClickListener() {
                      @Override
                      public void onClick(DialogInterface dialog, int which) {
                          recreate();
                      }
                  }).show();
        }