Improve Demo

JessYanCoding · May 6, 2017 · de8999e · de8999e
1 parent d915067
commit de8999e
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/app/src/main/java/me/jessyan/mvparms/demo/mvp/presenter/UserPresenter.java b/app/src/main/java/me/jessyan/mvparms/demo/mvp/presenter/UserPresenter.java
@@ -46,11 +46,14 @@ public UserPresenter(UserContract.Model model, UserContract.View rootView, RxErr
         this.mApplication = application;
         this.mErrorHandler = handler;
         this.mAppManager = appManager;
-        mAdapter = new UserAdapter(mUsers);
-        mRootView.setAdapter(mAdapter);//设置Adapter
     }
 
     public void requestUsers(final boolean pullToRefresh) {
+        if (mAdapter == null) {
+            mAdapter = new UserAdapter(mUsers);
+            mRootView.setAdapter(mAdapter);//设置Adapter
+        }
+
         //请求外部存储权限用于适配android6.0的权限管理机制
         PermissionUtil.externalStorage(() -> {
             //request permission success, do something.