sqflite 0.11.2+4 sqflite: ^0.11.2+4 copied to clipboard
Flutter plugin for SQLite, a self-contained, high-reliability, embedded, SQL database engine.
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:sqflite/sqflite.dart';
import 'package:sqflite_example/exp_test_page.dart';
import 'package:sqflite_example/deprecated_test_page.dart';
import 'model/main_item.dart';
import 'open_test_page.dart';
import 'package:sqflite_example/exception_test_page.dart';
import 'raw_test_page.dart';
import 'slow_test_page.dart';
import 'src/main_item_widget.dart';
import 'type_test_page.dart';
import 'todo_test_page.dart';
void main() {
runApp(new MyApp());
}
class MyApp extends StatefulWidget {
// This widget is the root of your application.
@override
_MyAppState createState() => new _MyAppState();
}
const String testRawRoute = "/test/simple";
const String testOpenRoute = "/test/open";
const String testSlowRoute = "/test/slow";
const String testThreadRoute = "/test/thread";
const String testTodoRoute = "/test/todo";
const String testExceptionRoute = "/test/exception";
const String testExpRoute = "/test/exp";
const String testDeprecatedRoute = "/test/deprecated";
class _MyAppState extends State<MyApp> {
var routes = <String, WidgetBuilder>{
'/test': (BuildContext context) => new MyHomePage(),
testRawRoute: (BuildContext context) => new SimpleTestPage(),
testOpenRoute: (BuildContext context) => new OpenTestPage(),
testSlowRoute: (BuildContext context) => new SlowTestPage(),
testTodoRoute: (BuildContext context) => new TodoTestPage(),
testThreadRoute: (BuildContext context) => new TypeTestPage(),
testExceptionRoute: (BuildContext context) => new ExceptionTestPage(),
testExpRoute: (BuildContext context) => new ExpTestPage(),
testDeprecatedRoute: (BuildContext context) => new DeprecatedTestPage(),
};
@override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Sqflite Demo',
theme: new 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: new MyHomePage(title: 'Sqflite Demo Home Page'),
routes: routes);
}
}
class MyHomePage extends StatefulWidget {
final List<MainItem> items = [];
MyHomePage({Key key, this.title}) : super(key: key) {
items.add(new MainItem("Raw tests", "Raw SQLite operations",
route: testRawRoute));
items.add(new MainItem("Open tests", "Open onCreate/onUpgrade/onDowngrade",
route: testOpenRoute));
items.add(
new MainItem("Type tests", "Test value types", route: testThreadRoute));
items.add(
new MainItem("Slow tests", "Lengthy operations", route: testSlowRoute));
items.add(new MainItem(
"Todo database example", "Simple Todo-like database usage example",
route: testTodoRoute));
items.add(new MainItem("Exp tests", "Experimental and various tests",
route: testExpRoute));
items.add(new MainItem("Exception tests", "Tests that trigger exceptions",
route: testExceptionRoute));
items.add(new MainItem("Deprecated test",
"Keeping some old tests for deprecated functionalities",
route: testDeprecatedRoute));
// Uncomment to view all logs
//Sqflite.devSetDebugModeOn(true);
}
// This widget is the home page of your application. It is stateful,
// meaning that it has a State object (defined below) that contains
// fields that affect how it looks.
// This class is the configuration for the state. It holds the
// values (in this case the title) provided by the parent (in this
// case the App widget) and used by the build method of the State.
// Fields in a Widget subclass are always marked "final".
final String title;
@override
_MyHomePageState createState() => new _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
String _platformVersion = 'Unknown';
int get _itemCount => widget.items.length;
@override
initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
initPlatformState() async {
String platformVersion;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
platformVersion = await Sqflite.platformVersion;
} on PlatformException {
platformVersion = "Failed to get platform version";
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_platformVersion = platformVersion;
});
print("running on: " + _platformVersion);
}
@override
Widget build(BuildContext context) {
return new Scaffold(
appBar: new AppBar(
title: new Center(
child: new Text('Sqflite demo', textAlign: TextAlign.center)),
),
body: new ListView.builder(
itemBuilder: _itemBuilder, itemCount: _itemCount));
}
//new Center(child: new Text('Running on: $_platformVersion\n')),
Widget _itemBuilder(BuildContext context, int index) {
return new MainItemWidget(widget.items[index], (MainItem item) {
Navigator.of(context).pushNamed(item.route);
});
}
}