Android: swipe refresh on documents list

docs-android/app/src/main/java/com/sismics/docs/MainApplication.java

@@ -20,7 +20,6 @@ public class MainApplication extends Application {
         JSONObject json = PreferenceUtil.getCachedJson(getApplicationContext(), PreferenceUtil.PREF_CACHED_USER_INFO_JSON);
         ApplicationContext.getInstance().setUserInfo(getApplicationContext(), json);
 
-        // TODO Documents list page loading feedback
         // TODO Fullscreen preview
         // TODO Caching preferences
         // TODO Edit sharing

docs-android/app/src/main/java/com/sismics/docs/fragment/DocListFragment.java

@@ -3,6 +3,7 @@ package com.sismics.docs.fragment;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
+import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -30,11 +31,6 @@ import de.greenrobot.event.EventBus;
  * @author bgamard.
  */
 public class DocListFragment extends Fragment {
-    /**
-     * Recycler view.
-     */
-    private EmptyRecyclerView recyclerView;
-
     /**
      * Documents adapter.
      */
@@ -45,13 +41,17 @@ public class DocListFragment extends Fragment {
      */
     private String query;
 
+    // View cache
+    private EmptyRecyclerView recyclerView;
+    private SwipeRefreshLayout swipeRefreshLayout;
+
     // Infinite scrolling things
     private boolean loading = true;
     private int previousTotal = 0;
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.doc_list_fragment, container, false);
+        final View view = inflater.inflate(R.layout.doc_list_fragment, container, false);
 
         // Configure the RecyclerView
         recyclerView = (EmptyRecyclerView) view.findViewById(R.id.docList);
@@ -65,6 +65,19 @@ public class DocListFragment extends Fragment {
         final LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
         recyclerView.setLayoutManager(layoutManager);
 
+        // Configure the swipe refresh layout
+        swipeRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipeRefreshLayout);
+        swipeRefreshLayout.setColorSchemeResources(android.R.color.holo_blue_bright,
+                android.R.color.holo_green_light,
+                android.R.color.holo_orange_light,
+                android.R.color.holo_red_light);
+        swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            @Override
+            public void onRefresh() {
+                loadDocuments(view, true);
+            }
+        });
+
         // Document opening
         recyclerView.addOnItemTouchListener(new RecyclerItemClickListener(getActivity(), new RecyclerItemClickListener.OnItemClickListener() {
             @Override
@@ -139,7 +152,10 @@ public class DocListFragment extends Fragment {
             loading = true;
             previousTotal = 0;
             adapter.clearDocuments();
+        } else {
+            swipeRefreshLayout.setRefreshing(true);
         }
+
         recyclerView.setEmptyView(progressBar);
 
         DocumentResource.list(getActivity(), reset ? 0 : adapter.getItemCount(), query, new JsonHttpResponseHandler() {
@@ -160,6 +176,11 @@ public class DocListFragment extends Fragment {
                     Toast.makeText(getActivity(), R.string.error_loading_documents, Toast.LENGTH_SHORT).show();
                 }
             }
+
+            @Override
+            public void onFinish() {
+                swipeRefreshLayout.setRefreshing(false);
+            }
         });
     }
 }

docs-android/app/src/main/res/layout/doc_list_fragment.xml

@@ -4,6 +4,11 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <android.support.v4.widget.SwipeRefreshLayout
+        android:id="@+id/swipeRefreshLayout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
         <com.sismics.docs.ui.view.EmptyRecyclerView
             android:id="@+id/docList"
             android:layout_width="match_parent"
@@ -11,6 +16,8 @@
             android:scrollbars="vertical">
         </com.sismics.docs.ui.view.EmptyRecyclerView>
 
+    </android.support.v4.widget.SwipeRefreshLayout>
+
     <ProgressBar
         android:id="@+id/progressBar"
         style="?android:attr/progressBarStyleLarge"