fix error when token is null, add custom logger instance

lib/api/token.dart

@@ -2,12 +2,12 @@ import 'dart:async';
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
-import 'package:logger/logger.dart';
+
+import '../log/log.dart';
 
 class Token {
   static final Token _token = Token._();
   final _storage = const FlutterSecureStorage();
-  final _l = Logger();
 
   String _tokenval = "";
 
@@ -16,7 +16,7 @@ class Token {
   }
 
   Future<String?> _readToken() async {
-    _l.d("reading token store");
+    Log.d("reading token store");
     WidgetsFlutterBinding.ensureInitialized();
     return _storage.read(key: 'jwt');
   }
@@ -26,7 +26,13 @@ class Token {
 
     if (_tokenval == "") {
       final token = await _readToken();
-      completer.complete(token);
+      // check if value is defined in phone store
+      if (token != null) {
+        completer.complete(token);
+      } else {
+        Log.d("no token defined");
+        completer.complete("");
+      }
     } else {
       completer.complete(_tokenval);
     }

lib/log/log.dart

@@ -0,0 +1,38 @@
+import 'package:logger/logger.dart';
+
+class Log {
+  static final _verbolg = Logger();
+  static final _linelg = Logger(
+    printer: PrettyPrinter(methodCount: 0, printEmojis: false),
+  );
+
+  /// Log a message at level [Level.verbose].
+  static void v(dynamic message, [dynamic error, StackTrace? stackTrace]) {
+    _linelg.log(Level.verbose, message, error, stackTrace);
+  }
+
+  /// Log a message at level [Level.debug].
+  static void d(dynamic message, [dynamic error, StackTrace? stackTrace]) {
+    _linelg.log(Level.debug, message, error, stackTrace);
+  }
+
+  /// Log a message at level [Level.info].
+  static void i(dynamic message, [dynamic error, StackTrace? stackTrace]) {
+    _linelg.log(Level.info, message, error, stackTrace);
+  }
+
+  /// Log a message at level [Level.warning].
+  static void w(dynamic message, [dynamic error, StackTrace? stackTrace]) {
+    _verbolg.log(Level.warning, message, error, stackTrace);
+  }
+
+  /// Log a message at level [Level.error].
+  static void e(dynamic message, [dynamic error, StackTrace? stackTrace]) {
+    _verbolg.log(Level.error, message, error, stackTrace);
+  }
+
+  /// Log a message at level [Level.wtf].
+  static void wtf(dynamic message, [dynamic error, StackTrace? stackTrace]) {
+    _verbolg.log(Level.wtf, message, error, stackTrace);
+  }
+}

lib/login/logincontext.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:logger/logger.dart';
 
 import '../api/token.dart';
+import '../log/log.dart';
 
 class LoginContainer extends StatefulWidget {
   const LoginContainer({Key? key, required this.child}) : super(key: key);
@@ -23,8 +23,8 @@ class _LoginContainerState extends State<LoginContainer> {
     final token = Token.getInstance();
     token.getToken().then((value) {
       // todo this context call might occur before app rendered correctly!
-      Logger().i("The token value is $value");
-      if (value != null && value != "") {
+      Log.i("The token value is $value");
+      if (value != "") {
         setState(() {
           loggedIn = true;
           loading = false;
@@ -43,8 +43,11 @@ class _LoginContainerState extends State<LoginContainer> {
     return LoginContext(
       LoggedIn: loggedIn,
       child: loading
-          ? const MaterialApp(
-              home: Center(child: CircularProgressIndicator()),
+          ? MaterialApp(
+              home: Container(
+                color: Colors.white,
+                child: const Center(child: CircularProgressIndicator()),
+              ),
             )
           : widget.child,
       onLoggin: (bool login) {

lib/main.dart

@@ -1,11 +1,11 @@
 import 'package:flutter/material.dart';
-import 'package:logger/logger.dart';
 import 'package:openmediacentermobile/app.dart';
 
+import 'log/log.dart';
 import 'login/logincontext.dart';
 
 // main app entry point
 void main() {
-  Logger().i("App init!");
+  Log.i("App init!");
   runApp(const LoginContainer(child: App()));
 }

lib/video_feed.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
+import 'log/log.dart';
 import 'preview_tile.dart';
 
 class VideoFeed extends StatelessWidget {
@@ -22,7 +22,7 @@ class VideoFeed extends StatelessWidget {
             crossAxisSpacing: 10),
         itemCount: _vids.length,
         itemBuilder: (context, index) {
-          print("item $index built!");
+          Log.d("item $index built!");
           return PreviewTile(dta: _vids[index]);
         });
   }