public class B2SShareFeedReader extends Activity implements OnClickListener {
    protected Intent intent = new Intent();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Button btn = (Button) findViewById(R.id.button1);
        btn.setOnClickListener(this);
        setContentView(R.layout.feed);
    }

    @Override
    public void onClick(View v) {
        intent.setClass(B2SShareFeedReader.this, Feed.class);
        startActivity(intent);
    }
}