Android中button实现onclicklistener事件的两种方式

packagecom.demos;
importandroid.app.Activity;
importandroid.os.Bundle;
importandroid.view.View;
importandroid.view.View.OnClickListener;
importandroid.widget.Button;
publicclassGetScreenActivityextendsActivity{
privateButtonfirstBtn=null;
privateButtonsecBtn=null;
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
firstBtn=(Button)findViewById(R.id.firstBtn);
secBtn=(Button)findViewById(R.id.secBtn);
firstBtn.setOnClickListener(listener);
secBtn.setOnClickListener(newOnClickListener(){
@Override
publicvoidonClick(Viewv){
//TODOAuto-generatedmethodstub
}
});
}
privateOnClickListenerlistener=newOnClickListener(){
@Override
publicvoidonClick(Viewview){
}
};
}