## PullToRefreshLayout （下拉刷新控件）
UI需求：
* java.lang.Object
* * FrameLayout
* * com.healthmall.android.widget.PullToRefreshLayout
public class PullToRefreshLayout
extends FrameLayout
下拉刷新 Created by luokj on 2017/8/11. <br/><br/>
* #### 嵌套類概要
嵌套類
| 限定符和類型 | 類和說明 |
| --- | --- |
| `static interface?` | [PullToRefreshLayout.OnChildScrollUpCallback](PullToRefreshLayout.OnChildScrollUpCallback.md) |
<br/><br/>
* #### 從類繼承的方法?java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`
<br/><br/>
* #### 方法詳細資料
* #### setRefreshing
public?void?setRefreshing(boolean?refreshing)
設置刷新狀態
參數:
`refreshing`?- 刷新狀態 <br/><br/>
* #### getRefreshing
public?boolean?getRefreshing()
獲取刷新狀態<br/><br/>
* #### setOnRefreshListener
public?void?setOnRefreshListener(android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener?onRefreshListener)
設置下拉刷新監聽<br/><br/>
* #### setOnChildScrollUpCallback
public?void?setOnChildScrollUpCallback(@Nullable
[PullToRefreshLayout.OnChildScrollUpCallback](PullToRefreshLayout.OnChildScrollUpCallback.md)?callback)
設置子布局能否往上滑動的回調。在子布局并非可滑動布局而子布局內又有滑動布局時，或者子布局并非最終決定整體布局是否到頂時需要自定義此回調。<br/><br/>
* #### setTriggerOffset
public?void?setTriggerOffset(int?offset)
設置下拉觸發刷新的具體
參數:
`offset`?- 觸發距離，單位px <br/><br/>
* #### setRefreshHeader
public?void?setRefreshHeader(com.healthmall.android.widget.RefreshHeader?header)
設置自定義下拉變化頭部 <br/><br/>
* #### setRefreshable
public?void?setRefreshable(boolean?refreshable)
設置是否需要下拉刷新 <br/><br/>
* #### xml使用
* 跟系統控件SwipeRefreshLayout一樣，作為被下拉布局的父布局，切最外層子布局只能存在一個:
<com.gzdxjk.healthmall_android_library.widget.PullToRefreshLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:load_in_transparent="true"
app:load_new_standard="true">
<最外層子布局>
<內容/>
</最外層子布局>
</com.gzdxjk.healthmall_android_library.widget.PullToRefreshLayout>
