Button的四种Click响应方法汇总

Button bt_Demo = (Button)findViewById(R.id.bt_Demo);
bt_Demo.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
//响应Clicked事件
//......
}
});

Button bt_Demo = (Button)findViewById(R.id.bt_Demo);
bt_Demo.setOnClickListener(listener);
private OnClickListener listener = new OnClickListener(){
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
switch(arg0.getId()){
case R.id.bt_Demo:
//响应Clicked事件
//......
break;
default:
break;
}
}
}

Button bt_Demo = (Button)findViewById(R.id.bt_Demo);
bt_Demo.setOnClickListener(new ButtonListener());
private class ButtonListener implements OnClickListener{
@Override
public void onClick(View arg0) {
//响应Clicked事件
//......
}
}

//在Activity中直接OnClickListener接口：
import android.view.View.OnClickListener;
public class MyActivity extends Activity implements OnClickListener {
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//按纽
Button bt_Demo = (Button)findViewById(R.id.bt_Demo);
bt_Demo.setOnClickListener(this);
｝
//响应Click事件
public void onClick(View v) {
switch (v.getId()) {
case R.id.bt_Demo:
//响应Clicked事件
//......
break;
default:
break;
}
}
｝