1. LayoutInflater inflater = getLayoutInflater();//调用Activity的getLayoutInflater() Returns LayoutInflater The shared LayoutInflater.2. LayoutInflater inflater = LayoutInflater.from(context);//Obtains the LayoutInflater from the given context.3. LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);//A LayoutInflater for inflating layout resources in this context
View view = inflater.inflate(R.layout.newview, null);setContentView(view);//显示
原文：http://www.cnblogs.com/fruitbolgs/p/4173600.html