package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {

    TextView yazi;
    Button kucuk, buyuk;
    Integer sayi=24;


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

        yazi=findViewById(R.id.textView2);
        buyuk=findViewById(R.id.button);
        kucuk=findViewById(R.id.button2);

        kucuk.setOnClickListener(view -> {
            sayi=sayi-2;
            yazi.setTextSize(sayi);
        });
        buyuk.setOnClickListener(view -> {
            sayi=sayi+2;
            yazi.setTextSize(sayi);
        });

    }
}