lib/models/task.dart

@@ -1,9 +1,13 @@
 import 'package:meta/meta.dart';
+import 'package:json_annotation/json_annotation.dart';
 
 import 'package:vikunja_app/models/label.dart';
 import 'package:vikunja_app/models/user.dart';
 import 'package:vikunja_app/utils/datetime_to_unix.dart';
 
+part 'task.g.dart';
+
+@JsonSerializable(nullable: true)
 class Task {
   final int id, parentTaskID, priority;
   final DateTime created, updated, dueDate, startDate, endDate;
@@ -32,31 +36,39 @@ class Task {
       this.created,
       this.updated,
       this.createdBy});
-
-  Task.fromJson(Map<String, dynamic> json)
+  factory Task.fromJson(Map<String, dynamic> json) => _$TaskFromJson(json);
+  Map<String, dynamic> toJson() => _$TaskToJson(this);
+/*
+Task.fromJson(Map<String, dynamic> json)
       : id = json['id'],
         text = json['text'],
         description = json['description'],
         done = json['done'],
-        reminderDates = (json['reminderDates'] as List<dynamic>)
-            ?.map((milli) => dateTimeFromUnixTimestamp(milli))
-            ?.toList(),
+        reminderDates = json['reminderDates'] == null
+            ? null
+            : (json['reminderDates'].cast<int>() as List<dynamic>)
+                ?.map((milli) => dateTimeFromUnixTimestamp(milli))
+                ?.toList(),
         dueDate = dateTimeFromUnixTimestamp(json['dueDate']),
         startDate = dateTimeFromUnixTimestamp(json['startDate']),
         endDate = dateTimeFromUnixTimestamp(json['endDate']),
         parentTaskID = json['parentTaskID'],
         priority = json['priority'],
         repeatAfter = Duration(seconds: json['repeatAfter']),
-        labels = (json['labels'] as List<dynamic>)
-            ?.map((label) => Label.fromJson(label))
-            ?.toList(),
-        subtasks = (json['subtasks'] as List<dynamic>)
-            ?.map((subtask) => Task.fromJson(subtask))
-            ?.toList(),
+        labels = json['labels'] == null
+            ? null
+            : (json['labels'] as List<dynamic>)
+                ?.map((label) => Label.fromJson(label))
+                ?.toList(),
+        subtasks = json['subtasks'] == null
+            ? null
+            : (json['subtasks'] as List<dynamic>)
+                ?.map((subtask) => Task.fromJson(subtask))
+                ?.toList(),
         updated = dateTimeFromUnixTimestamp(json['updated']),
         created = dateTimeFromUnixTimestamp(json['created']),
         createdBy = User.fromJson(json['createdBy']);
-
+*/
   toJSON() => {
         'id': id,
         'text': text,

lib/pages/list/task_edit.dart

@@ -86,6 +86,7 @@ class _TaskEditPageState extends State<TaskEditPage> {
                           padding: EdgeInsets.symmetric(vertical: 10.0),
                           child: DateTimePickerFormField(
                             dateOnly: false,
+                            initialDate: widget.task.dueDate,
                             format: vDateFormatLong,
                             decoration: InputDecoration(
                               labelText: 'Due Date',

pubspec.lock

@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://www.dartlang.org/tools/pub/glossary#lockfile
 packages:
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.35.4"
   archive:
     dependency: transitive
     description:
@@ -29,6 +36,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
+  build:
+    dependency: "direct main"
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.1+4"
   charcode:
     dependency: transitive
     description:
@@ -73,8 +94,15 @@ packages:
       url: "https://github.com/MarkOSullivan94/dart_config.git"
     source: git
     version: "0.5.0"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.4"
   datetime_picker_formfield:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: datetime_picker_formfield
       url: "https://pub.dartlang.org"
@@ -104,6 +132,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  front_end:
+    dependency: transitive
+    description:
+      name: front_end
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.14"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.7"
   http:
     dependency: "direct main"
     description:
@@ -132,6 +174,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.15.7"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  json_serializable:
+    dependency: "direct main"
+    description:
+      name: json_serializable
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.3"
+  kernel:
+    dependency: transitive
+    description:
+      name: kernel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.14"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.11.3+2"
   matcher:
     dependency: transitive
     description:
@@ -146,6 +216,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.6"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.5"
   path:
     dependency: transitive
     description:
@@ -154,12 +231,26 @@ packages:
     source: hosted
     version: "1.6.2"
   petitparser:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.2"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
   quiver:
     dependency: transitive
     description:
@@ -172,6 +263,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.99"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.4+1"
   source_span:
     dependency: transitive
     description:
@@ -228,6 +326,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.8"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.7+10"
   xml:
     dependency: transitive
     description:
@@ -243,5 +348,5 @@ packages:
     source: hosted
     version: "2.1.15"
 sdks:
-  dart: ">=2.0.0 <3.0.0"
+  dart: ">=2.1.0-dev.5.0 <3.0.0"
   flutter: ">=0.1.2 <2.0.0"

pubspec.yaml

@@ -9,18 +9,18 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
   flutter_secure_storage: 3.1.1
   http: 0.12.0
+  datetime_picker_formfield: ^0.1.8
+  build: ^1.1.1
+  json_serializable: ^2.0.3
+  petitparser: ^2.1.1
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_launcher_icons: "^0.6.1"
-  datetime_picker_formfield: ^0.1.8
 
 flutter_icons:
   image_path: "assets/vikunja_logo.png"