添加一个 仿微信 交互的demo（补充）

Author: YoKeyword

demo/src/main/java/me/yokeyword/sample/demo_wechat/ui/fragment/second/FirstPagerFragment.java

@@ -53,6 +53,8 @@ public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
     }
 
     private void initView(View view) {
+        EventBus.getDefault().register(this);
+
         mRecy = (RecyclerView) view.findViewById(R.id.recy);
         mRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.refresh_layout);
 
@@ -122,4 +124,10 @@ public void onTabSelectedEvent(TabSelectedEvent event) {
     private void scrollToTop() {
         mRecy.smoothScrollToPosition(0);
     }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        EventBus.getDefault().unregister(this);
+    }
 }