Android换肤Demopublicvoidinit(){btn1=(Button)findViewById(R.id.btn_skin1);btn2=(Button)findViewById(R.id.btn_skin2);btn3=(Button)findViewById(R.id.btn_skin3);btn1.setOnClickListener(newMyBtnListener(R.layout.skin1));btn2.setOnClickListener(newMyBtnListener(R.layout.skin2));btn3.setOnClickListener(new