Cleanup example app (#56)

example/lib/database.dart

@@ -4,31 +4,40 @@ import 'package:sqflite/sqflite.dart' as sqflite;
 
 part 'database.g.dart';
 
-@entity
-class Person {
-  @PrimaryKey()
-  final int id;
-  final String name;
-  final int age;
-  final bool isHungry;
+@Database()
+abstract class MyDatabase extends FloorDatabase {
+  static Future<MyDatabase> openDatabase() async => _$open();
 
-  Person(this.id, this.name, this.age, this.isHungry);
-}
+  @Query('SELECT * FROM task WHERE id = :id')
+  Future<Task> findTaskById(int id);
 
-@entity
-class Car {
-  @PrimaryKey(autoGenerate: false)
-  final int id;
-  final String manufacturer;
-  final int wheels;
+  @Query('SELECT * FROM task')
+  Future<List<Task>> findAllTasks();
+
+  @insert
+  Future<void> insertTask(Task task);
+
+  @insert
+  Future<void> insertTasks(List<Task> tasks);
+
+  @update
+  Future<void> updateTask(Task task);
+
+  @update
+  Future<void> updateTasks(List<Task> task);
 
-  Car(this.id, this.manufacturer, this.wheels);
+  @delete
+  Future<void> deleteTask(Task task);
+
+  @delete
+  Future<void> deleteTasks(List<Task> tasks);
 }
 
-@entity
+@Entity(tableName: 'task')
 class Task {
   @PrimaryKey(autoGenerate: true)
   final int id;
+
   final String message;
 
   Task(this.id, this.message);
@@ -49,50 +58,3 @@ class Task {
     return 'Task{id: $id, message: $message}';
   }
 }
-
-@entity
-class Bar {
-  final int id;
-  final String foo;
-
-  Bar(this.id, this.foo);
-}
-
-@Database()
-abstract class MyDatabase extends FloorDatabase {
-  static Future<MyDatabase> openDatabase() async => _$open();
-
-  @Query('SELECT * FROM Person')
-  Future<List<Person>> findAllPersons();
-
-  @Query('SELECT * FROM Person WHERE id = :id')
-  Future<Person> findPersonById(int id);
-
-  @Query('SELECT * FROM Car WHERE id = :id')
-  Future<Car> findCarById(int id);
-
-  @insert
-  Future<void> insertPerson(Person person);
-
-  @insert
-  Future<void> insertCar(Car car);
-
-  @Query('SELECT * FROM Task')
-  Future<List<Task>> findAllTasks();
-
-  @insert
-  Future<void> insertTask(Task task);
-
-  @update
-  Future<void> updateTask(Task task);
-
-  @update
-  Future<void> updatePerson(Person person);
-
-  @delete
-  Future<void> deletePerson(Person person);
-}
-
-Future<void> main() async {
-  final database = await MyDatabase.openDatabase();
-}

example/lib/main.dart

@@ -54,7 +54,7 @@ class TasksWidgetState extends State<TasksWidget> {
     await database.insertTask(task);
     _tasks = await database.findAllTasks();
 
-    setState(() {}); // trigger rebuild
+    setState(() {}); // trigger rebuild to show inserted task
   }
 
   @override