This blog provide you simple Pull to refresh functionality with SwipeRefreshLayout.

1. First of all create new project.
2. Open xml layout file and create ListView/ScrollView/Gridview.

3. Wrap ListView/ScrollView/Gridview with "android.support.v4.widget.SwipeRefreshLayout" like

    < android.support.v4.widget.SwipeRefreshLayout
   android:id="@+id/swipe_refresh_layout"
   android:layout_width="match_parent"  
   android:layout_height="match_parent"> 
   < ListView  
       android:id="@+id/listView"  
       android:layout_width="match_parent"  
       android:layout_height="match_parent"> 
   < /ListView>
   < /android.support.v4.widget.SwipeRefreshLayout>
   

4. xml Layout part is finish here. Now open Activity class and initialize SwipeRefreshLayout and ListView.

5. Set setOnRefreshListener to SwipeRefreshLayout and set refresh functionality in onRefresh() method.

   swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
   @Override
   public void onRefresh() {
   refrshAdapter();
   }
   });

6 . set Color scheme to SwipeToRefresh.

swipeRefreshLayout.setColorSchemeResources(android.R.color.holo_red_light,android.R.color.holo_green_light,android.R.color.holo_purple,android.R.color.holo_blue_light);

7 . Set SetRefreshing false when refresh functionality completed.

   swipeRefreshLayout.setRefreshing(false);

Refrences:- SwipeToRefresh