intent传参与接收参数

public void itemClick(String roomName){
Intent intent = new Intent(Activity_SetRoom.this,Activity_SetPanel.class);
Bundle bundle = new Bundle();
bundle.putSerializable("roomName",roomName);
intent.putExtras(bundle);
startActivity(intent);
}

public void setTitle(){
Bundle bundle = new Bundle();
bundle = this.getIntent().getExtras();
String  roomName =bundle.getString("roomName");
titleTV.setText(roomName);
}