MVCHelper 添加cancel 方法

修复MVCCoolHelper 执行 refresh() 的方法时 循环执行refresh的bug

Author: zsy

mvccoolhelper/src/main/java/com/shizhefei/mvc/MVCCoolHelper.java

@@ -52,12 +52,16 @@ public void setOnRefreshListener(OnRefreshListener onRefreshListener) {
 
         @Override
         public void showRefreshComplete() {
+            coolRefreshView.removeOnPullListener(onPullListener);
             coolRefreshView.setRefreshing(false);
+            coolRefreshView.addOnPullListener(onPullListener);
         }
 
         @Override
         public void showRefreshing() {
+            coolRefreshView.removeOnPullListener(onPullListener);
             coolRefreshView.setRefreshing(true);
+            coolRefreshView.addOnPullListener(onPullListener);
         }
 
         private OnPullListener onPullListener = new SimpleOnPullListener() {

mvchelper_library/src/main/java/com/shizhefei/mvc/MVCHelper.java

@@ -289,17 +289,24 @@ public void loadMore() {
     }
 
     /**
-     * 做销毁操作，比如关闭正在加载数据的异步线程等
+     * 取消正在执行的取消refresh和loadmore
      */
-    public void destory() {
+    public void cancel() {
         if (requestHandle != null) {
             requestHandle.cancle();
             requestHandle = null;
         }
-        taskHelper.destroy();
         handler.removeCallbacksAndMessages(null);
     }
 
+    /**
+     * 做销毁操作，比如关闭正在加载数据的异步线程等，一般放在Activity的onDestroy()方法
+     */
+    public void destory() {
+        cancel();
+        taskHelper.destroy();
+    }
+
     /**
      * 是否正在加载中
      *