sqflite 2.0.0-nullsafety.2 sqflite: ^2.0.0-nullsafety.2 copied to clipboard
Flutter plugin for SQLite, a self-contained, high-reliability, embedded, SQL database engine.
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:sqflite_example/batch_test_page.dart';
import 'package:sqflite_example/deprecated_test_page.dart';
import 'package:sqflite_example/exception_test_page.dart';
import 'package:sqflite_example/exp_test_page.dart';
import 'package:sqflite_example/manual_test_page.dart';
import 'package:sqflite_example/src/dev_utils.dart';
import 'model/main_item.dart';
import 'open_test_page.dart';
import 'raw_test_page.dart';
import 'slow_test_page.dart';
import 'src/main_item_widget.dart';
import 'todo_test_page.dart';
import 'type_test_page.dart';
void main() {
runApp(MyApp());
}
/// Sqflite test app
class MyApp extends StatefulWidget {
// This widget is the root of your application.
@override
_MyAppState createState() => _MyAppState();
}
/// Simple test page.
const String testRawRoute = '/test/simple';
/// Open test page.
const String testOpenRoute = '/test/open';
/// Slow test page.
const String testSlowRoute = '/test/slow';
/// Type test page.
const String testTypeRoute = '/test/type';
/// Batch test page.
const String testBatchRoute = '/test/batch';
/// `todo` example test page.
const String testTodoRoute = '/test/todo';
/// Exception test page.
const String testExceptionRoute = '/test/exception';
/// Manual test page.
const String testManualRoute = '/test/manual';
/// Experiment test page.
const String testExpRoute = '/test/exp';
/// Deprecated test page.
const String testDeprecatedRoute = '/test/deprecated';
class _MyAppState extends State<MyApp> {
var routes = <String, WidgetBuilder>{
'/test': (BuildContext context) => MyHomePage(),
testRawRoute: (BuildContext context) => RawTestPage(),
testOpenRoute: (BuildContext context) => OpenTestPage(),
testSlowRoute: (BuildContext context) => SlowTestPage(),
testTodoRoute: (BuildContext context) => TodoTestPage(),
testTypeRoute: (BuildContext context) => TypeTestPage(),
testManualRoute: (BuildContext context) => ManualTestPage(),
testBatchRoute: (BuildContext context) => BatchTestPage(),
testExceptionRoute: (BuildContext context) => ExceptionTestPage(),
testExpRoute: (BuildContext context) => ExpTestPage(),
testDeprecatedRoute: (BuildContext context) => DeprecatedTestPage(),
};
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Sqflite Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with 'flutter run'. You'll see
// the application has a blue toolbar. Then, without quitting
// the app, try changing the primarySwatch below to Colors.green
// and then invoke 'hot reload' (press 'r' in the console where
// you ran 'flutter run', or press Run > Hot Reload App in IntelliJ).
// Notice that the counter didn't reset back to zero -- the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'Sqflite Demo Home Page'),
routes: routes);
}
}
/// App home menu page.
class MyHomePage extends StatefulWidget {
/// App home menu page.
MyHomePage({Key? key, this.title}) : super(key: key) {
_items.add(
MainItem('Raw tests', 'Raw SQLite operations', route: testRawRoute));
_items.add(MainItem('Open tests', 'Open onCreate/onUpgrade/onDowngrade',
route: testOpenRoute));
_items
.add(MainItem('Type tests', 'Test value types', route: testTypeRoute));
_items.add(MainItem('Batch tests', 'Test batch operations',
route: testBatchRoute));
_items.add(
MainItem('Slow tests', 'Lengthy operations', route: testSlowRoute));
_items.add(MainItem(
'Todo database example', 'Simple Todo-like database usage example',
route: testTodoRoute));
_items.add(MainItem('Exp tests', 'Experimental and various tests',
route: testExpRoute));
_items.add(MainItem('Exception tests', 'Tests that trigger exceptions',
route: testExceptionRoute));
_items.add(MainItem('Manual tests', 'Tests that requires manual execution',
route: testManualRoute));
_items.add(MainItem('Deprecated test',
'Keeping some old tests for deprecated functionalities',
route: testDeprecatedRoute));
// Uncomment to view all logs
//Sqflite.devSetDebugModeOn(true);
}
final List<MainItem> _items = [];
/// Page title.
final String? title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
String? _debugAutoStartRouteName;
/// (debug) set the route to start with.
String? get debugAutoStartRouteName => _debugAutoStartRouteName;
/// Deprecated to avoid calls
@deprecated
set debugAutoStartRouteName(String? routeName) =>
_debugAutoStartRouteName = routeName;
class _MyHomePageState extends State<MyHomePage> {
int get _itemCount => widget._items.length;
@override
void initState() {
super.initState();
Future.delayed(Duration.zero).then((_) async {
if (mounted) {
// Use it to auto start a test page
if (debugAutoStartRouteName != null) {
// only once
// await Navigator.of(context).pushNamed(testExpRoute);
// await Navigator.of(context).pushNamed(testRawRoute);
var future =
Navigator.of(context)!.pushNamed(debugAutoStartRouteName!);
// ignore: deprecated_member_use_from_same_package
debugAutoStartRouteName = null;
await future;
// await Navigator.of(context).pushNamed(testExceptionRoute);
}
}
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title:
Center(child: Text('Sqflite demo', textAlign: TextAlign.center)),
),
body:
ListView.builder(itemBuilder: _itemBuilder, itemCount: _itemCount));
}
//new Center(child: new Text('Running on: $_platformVersion\n')),
Widget _itemBuilder(BuildContext context, int index) {
return MainItemWidget(widget._items[index], (MainItem item) {
Navigator.of(context)!.pushNamed(item.route!);
});
}
}