package com.example.sharedpreferences;

import androidx.appcompat.app.AppCompatActivity;

import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import java.io.File;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        SharedPreferences sharedPreferences = this.getSharedPreferences("com.example.sharedpreferences", MODE_PRIVATE);
        sharedPreferences.edit().putString("username", "varun").apply();

        Toast.makeText(getApplicationContext(), sharedPreferences.getString("username",""), Toast.LENGTH_SHORT).show();

    }
}