自定义实现个Factory，可以用来解析自定义的属性。
public interface Factory {
/**
* Hook you can supply that is called when inflating from a LayoutInflater.
* You can use this to customize the tag names available in your XML
* layout files.
*
* <p>
* Note that it is good practice to prefix these custom names with your
* package (i.e., com.coolcompany.apps) to avoid conflicts with system
* names.
*
* @param name Tag name to be inflated.
* @param context The context the view is being created in.
* @param attrs Inflation attributes as specified in XML file.
*
* @return View Newly created view. Return null for the default
* behavior.如果返回一个view， 那么就会直接加入到原有View树中去。 如果返回null，则会走原来类似于onCreate的方法。
*/
public View onCreateView(String name, Context context, AttributeSet attrs);
}
LayoutInflater.Factory这个值设置到LayoutInflater中，而LayoutInflater的获得又是跟谁Context而来的。也就是说相同的Context有着相同的LayoutInflater，那就可以重用相同的LayoutInflater.factory
在BaseActivity中加入自己的Factory
mLayoutMode = new BDLayoutMode(); // 针对该Activity的一些存储
mLayoutInflateFactory = new BDLayoutInflateFactory(); //自定义的LayoutInflateFactory
mLayoutInflateFactory.setViewMode(mLayoutMode);
getLayoutInflater().setFactory(mLayoutInflateFactory); // 给该Activitry设置factory
这样在BDLayoutInflateFactory中就可以自定义解析自己关心的值了。
在BaseActivity的OnResume中开始，遍历每一个控件。