java.lang.Object
android.view.LayoutInflater
This class is used to instantiate layout XML file into its corresponding View objects.
It is never be used directly --
use getLayoutInflater() or getSystemService(String) to retrieve a standard LayoutInflater instance
that is already hooked up to the current context and correctly configured for the device you are running on.
For example:
LayoutInflater inflater = (LayoutInflater)context.getSystemService
Context.LAYOUT_INFLATER_SERVICE);
常用方法有：
public View inflate (int resource, ViewGroup root)
Since: API Level 1
Inflate a new view hierarchy from the specified xml resource. Throws InflateException if there is an error.
Parameters
resource ID for an XML layout resource to load (e.g., R.layout.main_page)
root Optional view to be the parent of the generated hierarchy.
Returns
* The root View of the inflated hierarchy. If root was supplied, this is the root View; otherwise it is the root of the inflated XML file.
注意：如果root被提供的话，在把新生成的View连接到root后，返回root.否者返回的是新生成的View
public View inflate (int resource, ViewGroup root, boolean attachToRoot)
Since: API Level 1
Inflate a new view hierarchy from the specified xml resource. Throws InflateException if there is an error.
Parameters
resource ID for an XML layout resource to load (e.g., R.layout.main_page)
root Optional view to be the parent of the generated hierarchy (if attachToRoot is true), or else simply an object that provides a set of LayoutParams values for root of the returned hierarchy (if attachToRoot is false.)
attachToRoot Whether the inflated hierarchy should be attached to the root parameter? If false, root is only used to create the correct subclass of LayoutParams for the root view in the XML.
Returns
* The root View of the inflated hierarchy. If root was supplied and attachToRoot is true, this is root; otherwise it is the root of the inflated XML file.
注意：如果root被提供而且attachToRoot为TRUE的话，在把新生成的View连接到root，返回root.否者返回的是新生成的View。
如果root被提供但attachToRoot为FALSE的话，root只是把它的LayoutParams参数给新生成的View用，
不会把新生成的View连接到root。当然返回的是新生成的View。
android.view.LayoutInflater
This class is used to instantiate layout XML file into its corresponding View objects.
It is never be used directly --
use getLayoutInflater() or getSystemService(String) to retrieve a standard LayoutInflater instance
that is already hooked up to the current context and correctly configured for the device you are running on.
For example:
LayoutInflater inflater = (LayoutInflater)context.getSystemService
Context.LAYOUT_INFLATER_SERVICE);
常用方法有：
public View inflate (int resource, ViewGroup root)
Since: API Level 1
Inflate a new view hierarchy from the specified xml resource. Throws InflateException if there is an error.
Parameters
resource ID for an XML layout resource to load (e.g., R.layout.main_page)
root Optional view to be the parent of the generated hierarchy.
Returns
* The root View of the inflated hierarchy. If root was supplied, this is the root View; otherwise it is the root of the inflated XML file.
注意：如果root被提供的话，在把新生成的View连接到root后，返回root.否者返回的是新生成的View
public View inflate (int resource, ViewGroup root, boolean attachToRoot)
Since: API Level 1
Inflate a new view hierarchy from the specified xml resource. Throws InflateException if there is an error.
Parameters
resource ID for an XML layout resource to load (e.g., R.layout.main_page)
root Optional view to be the parent of the generated hierarchy (if attachToRoot is true), or else simply an object that provides a set of LayoutParams values for root of the returned hierarchy (if attachToRoot is false.)
attachToRoot Whether the inflated hierarchy should be attached to the root parameter? If false, root is only used to create the correct subclass of LayoutParams for the root view in the XML.
Returns
* The root View of the inflated hierarchy. If root was supplied and attachToRoot is true, this is root; otherwise it is the root of the inflated XML file.
注意：如果root被提供而且attachToRoot为TRUE的话，在把新生成的View连接到root，返回root.否者返回的是新生成的View。
如果root被提供但attachToRoot为FALSE的话，root只是把它的LayoutParams参数给新生成的View用，
不会把新生成的View连接到root。当然返回的是新生成的View。
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