import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {


    ImageView imgNyar, imgOsz, imgTavasz, imgTel;
    Button button;
    EditText editText;

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

        imgNyar = (ImageView) findViewById(R.id.imageViewNyar);
        imgOsz = (ImageView) findViewById(R.id.imageViewOsz);
        imgTavasz = (ImageView) findViewById(R.id.imageViewTavasz);
        imgTel = (ImageView) findViewById(R.id.imageViewTel);
        button = (Button) findViewById(R.id.button);
        editText = (EditText) findViewById(R.id.edt1);


        imgNyar.setVisibility(View.INVISIBLE);
        imgOsz.setVisibility(View.INVISIBLE);
        imgTavasz.setVisibility(View.INVISIBLE);
        imgTel.setVisibility(View.INVISIBLE);
        Toast.makeText(getApplicationContext(), "This is my Toast message!", Toast.LENGTH_LONG).show();

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view)
            {
                if(editText.getText().toString().equals("nyar")  )
                {
                    imgOsz.setVisibility(View.INVISIBLE);
                    imgTavasz.setVisibility(View.INVISIBLE);
                    imgTel.setVisibility(View.INVISIBLE);
                    imgNyar.setVisibility(View.VISIBLE);
                }
                else if(editText.getText().toString().equals("osz")  )
                {
                    imgOsz.setVisibility(View.VISIBLE);
                    imgTavasz.setVisibility(View.INVISIBLE);
                    imgTel.setVisibility(View.INVISIBLE);
                    imgNyar.setVisibility(View.INVISIBLE);
                }
                else if(editText.getText().toString().equals("tel")  )
                {
                    imgOsz.setVisibility(View.INVISIBLE);
                    imgTavasz.setVisibility(View.INVISIBLE);
                    imgTel.setVisibility(View.VISIBLE);
                    imgNyar.setVisibility(View.INVISIBLE);
                }
                else if(editText.getText().toString().equals("tavasz")  )
                {
                    imgOsz.setVisibility(View.INVISIBLE);
                    imgTavasz.setVisibility(View.VISIBLE);
                    imgTel.setVisibility(View.INVISIBLE);
                    imgNyar.setVisibility(View.INVISIBLE);
                }
                else
                {
                    imgOsz.setVisibility(View.INVISIBLE);
                    imgTavasz.setVisibility(View.INVISIBLE);
                    imgTel.setVisibility(View.INVISIBLE);
                    imgNyar.setVisibility(View.INVISIBLE);
                    Toast.makeText(getApplicationContext(),"Hibas Bemenet", Toast.LENGTH_SHORT).show();
                }

            }
        });


    }
}