outsourced lots of api calls to api folder

centered error message when failed loading video feed
display server url on settings page

lib/video_screen/info_view.dart

@@ -1,6 +1,5 @@
-import 'dart:convert';
-
 import 'package:flutter/material.dart';
+import '../api/actor_api.dart';
 import '../api/video_api.dart';
 import '../dialog/add_actor_dialog.dart';
 import '../dialog/add_tag_dialog.dart';
@@ -8,9 +7,6 @@ import '../navigation/video_feed.dart';
 import '../screen_loading.dart';
 import '../types/video_data.dart';
 import '../preview/actor_tile.dart';
-
-import '../api/api.dart';
-import '../log/log.dart';
 import '../types/actor.dart';
 
 class InfoView extends StatefulWidget {
@@ -29,7 +25,7 @@ class _InfoViewState extends State<InfoView> {
   void initState() {
     super.initState();
     setState(() {
-      _data = loadData();
+      _data = loadActorsOfVideo(widget.videoId);
       vdata = loadVideoData(widget.videoId);
     });
   }
@@ -39,19 +35,6 @@ class _InfoViewState extends State<InfoView> {
     super.didUpdateWidget(oldWidget);
   }
 
-  Future<List<Actor>> loadData() async {
-    final data = await API
-        .query("actor", "getActorsOfVideo", {'MovieId': widget.videoId});
-    if (data == 'null') {
-      return [];
-    }
-    final d = jsonDecode(data);
-
-    List<Actor> dta = (d as List).map((e) => Actor.fromJson(e)).toList();
-
-    return dta;
-  }
-
   @override
   Widget build(BuildContext context) {
     return FutureBuilder(
@@ -71,15 +54,10 @@ class _InfoViewState extends State<InfoView> {
                       children: [
                         IconButton(
                             onPressed: () async {
-                              final data = await API.query("video", "addLike",
-                                  {'MovieId': videoData.movieId});
-                              final d = jsonDecode(data);
-                              if (d["result"] != 'success') {
-                                Log.w(d);
-                              }
-                              setState(() {
-                                vdata = loadVideoData(widget.videoId);
-                              });
+                              if (await addLike(videoData.movieId))
+                                setState(() {
+                                  vdata = loadVideoData(widget.videoId);
+                                });
                             },
                             icon: Icon(Icons.thumb_up)),
                         TextButton(
@@ -90,9 +68,8 @@ class _InfoViewState extends State<InfoView> {
                                 movieId: videoData.movieId,
                               ),
                             );
-                            Log.d("finished dialog");
                             setState(() {
-                              _data = loadData();
+                              _data = loadActorsOfVideo(widget.videoId);
                             });
                           },
                           child: Text("Add Actor"),
@@ -105,7 +82,6 @@ class _InfoViewState extends State<InfoView> {
                                 movieId: videoData.movieId,
                               ),
                             );
-                            Log.d("finished dialog");
                             setState(() {
                               vdata = loadVideoData(widget.videoId);
                             });

lib/video_screen/videoscreen.dart

@@ -92,7 +92,7 @@ class _VideoScreenState extends State<VideoScreen> {
               child: GestureDetector(
                 onPanDown: (details) async {
                   if (_appBarVisible) {
-                    await Future.delayed(Duration(milliseconds: 100));
+                    await Future.delayed(Duration(milliseconds: 300));
                     setState(() {
                       _appBarVisible = false;
                     });