onClickListener

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;

public class HomePage extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home_page);

        Button button1 = (Button)setActivity().findViewById(R.id.bLogin);
        Button button2 = (Button)setActivity().findViewById(R.id.bRegister);
        Button button3 = (Button)setActivity().findViewById(R.id.bCatalog);
        Button button4 = (Button)setActivity().findViewById(R.id.bSearch);
        Button button5 = (Button)setActivity().findViewById(R.id.bMap);

        button1.setOnClickListener(new View.OnClickListener(){


            public void onClick(View v) {
                Intent i = new Intent(HomePage.this, LinkHome.class);
                startActivity(i);
            }

        });


    }