import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;

public class SelectActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.select);

        Button btn;
        btn = findViewById(R.id.button_resultados);
        btn.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(v.getContext(), ResultadosActivity.class);
                startActivityForResult(intent, 0);
            }
        });
    }
    public void onClick() {
        ImageView mypic1 = (ImageView) findViewById(R.id.select1);
        ImageView mypic2 = (ImageView) findViewById(R.id.select2);
        ImageView mypic3 = (ImageView) findViewById(R.id.select3);
        ImageView mypic4 = (ImageView) findViewById(R.id.select4);
        ImageView mypic5 = (ImageView) findViewById(R.id.select5);
        ImageView mypic6 = (ImageView) findViewById(R.id.select6);

        View.OnClickListener listener= new OnClickListener() {
            public void onClick(View imageView) {
                if(imageView instanceof ImageView ){
                    if(imageView.getTag().equals(1)){
                        ((ImageView) imageView).setImageResource(R.drawable.oldpic);
                        imageView.setTag(2);
                    }else{
                        ((ImageView) imageView).setImageResource(R.drawable.newpic);
                        imageView.setTag(1);
                    }
                }
            }
        };
        mypic1.setOnClickListener(listener);
        mypic2.setOnClickListener(listener);
        mypic3.setOnClickListener(listener);
        mypic4.setOnClickListener(listener);
        mypic6.setOnClickListener(listener);
        mypic6.setOnClickListener(listener);
    }
}