package com.example.bigfile;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.SeekableByteChannel;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Scanner;

public class MainActivity extends AppCompatActivity {
   TextView textView;    DataInputStream textFileStream = null;
   public void readbigtext(){
       try {
           textFileStream = new DataInputStream(getAssets().open(String.format("test2.txt")));
        } catch (IOException e) {e.printStackTrace();}
        Scanner sc = new Scanner(textFileStream);
        while (sc.hasNextLine()) {
            textView.append(sc.nextLine());
        }
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button bigbutton = (Button) findViewById(R.id.bigbutton);
        textView = (TextView) findViewById(R.id.bigfile);
        textView.append("test begin");
        //90Mb here IS WORKING!
        // readbigtext();
        bigbutton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //90Mb here DON`T WORKING
                readbigtext();

                }
        });
    }
    }