add pullToRefresh property to ChannelListView

lib/src/channel_list_view.dart

@@ -60,6 +60,7 @@ class ChannelListView extends StatefulWidget {
     this.channelPreviewBuilder,
     this.errorBuilder,
     this.onImageTap,
+    this.pullToRefresh = true,
   }) : super(key: key);
 
   /// The builder that will be used in case of error
@@ -105,6 +106,9 @@ class ChannelListView extends StatefulWidget {
   /// The function called when the image is tapped
   final Function(Channel) onImageTap;
 
+  /// Set it to false to disable the pull-to-refresh widget
+  final bool pullToRefresh;
+
   @override
   _ChannelListViewState createState() => _ChannelListViewState();
 }
@@ -115,19 +119,30 @@ class _ChannelListViewState extends State<ChannelListView>
 
   @override
   Widget build(BuildContext context) {
-    final channelsProvider = ChannelsBloc.of(context);
+    final channelsBloc = ChannelsBloc.of(context);
+
+    if (!widget.pullToRefresh) {
+      return _buildListView(channelsBloc);
+    }
 
     return RefreshIndicator(
       onRefresh: () async {
-        return channelsProvider.queryChannels(
+        return channelsBloc.queryChannels(
           filter: widget.filter,
           sortOptions: widget.sort,
           paginationParams: widget.pagination,
           options: widget.options,
         );
       },
-      child: StreamBuilder<List<Channel>>(
-          stream: channelsProvider.channelsStream,
+      child: _buildListView(channelsBloc),
+    );
+  }
+
+  StreamBuilder<List<Channel>> _buildListView(
+    ChannelsBlocState channelsBlocState,
+  ) {
+    return StreamBuilder<List<Channel>>(
+        stream: channelsBlocState.channelsStream,
         builder: (context, snapshot) {
           if (snapshot.hasError) {
             if (snapshot.error is Error) {
@@ -175,7 +190,7 @@ class _ChannelListViewState extends State<ChannelListView>
                   ),
                   FlatButton(
                     onPressed: () {
-                        channelsProvider.queryChannels(
+                      channelsBlocState.queryChannels(
                         filter: widget.filter,
                         sortOptions: widget.sort,
                         paginationParams: widget.pagination,
@@ -212,8 +227,7 @@ class _ChannelListViewState extends State<ChannelListView>
               },
             ),
           );
-          }),
-    );
+        });
   }
 
   Widget _itemBuilder(context, int i, List<Channel> channels) {