Airfixed

 InputStreamReader InputSR = null;
        BufferedReader BufferedRdr = null;
        String thisLine = null;

        InputSR = new InputStreamReader(getResources().openRawResource(R.raw.fuel_index));
        BufferedRdr = new BufferedReader(InputSR);
        Object[][] arrayString = new String[6][2];

        try {
            // open input stream test.txt for reading purpose.

Airfixed

import android.content.Context;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.view.Menu;