package mateusz.liczbypierwsze;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    TextView tekst;
    private Button button;
    int max = 100;

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


        button = (Button) findViewById(R.id.button);
        button.setOnClickListener(this);
        tekst = (TextView) findViewById(R.id.tekst);
        tekst.setMaxLines(10);

    }

    @Override
    public void onClick(View v) {
        for (int i = 0; i <= max; i++) {
            if (isPrimeNumber(i)) {
                tekst.setText(i+"\n");
            }
        }
    }

    private boolean isPrimeNumber(int number) {
        for (int i = 2; i < number; i++) {
            if (number % i == 0) {
                return false;
            }
        }
        return true;
    }
}