Android学习之 Button onClickListener实现方法

package zyf.myTest;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class StartingSubactivities extends Activity
implements OnClickListener {
private Button open;
private Intent toIntent;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
open=(Button)findViewById(R.id.btn_open _search );
open.setOnClickListener(this);
} @
Override
public void onClick(View v) {
if(v.getId()==R.id.btn_open_search ){
toIntent = new Intent();
toIntent.setClass(StartingSubactivities.this,
MySecondActivity.class);
startActivity(toIntent);
}
}
}