flutter_dropdown_alert 0.0.8

A dropdown alert package for flutter, help user notify the alert like push notification when call api success, fail or waring. Can show it anywhere even inside class without Widget.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_dropdown_alert/alert_controller.dart';
import 'package:flutter_dropdown_alert/dropdown_alert.dart';
import 'package:flutter_dropdown_alert/model/data_alert.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Dropdown Alert 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 simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
        // This makes the visual density adapt to the platform that you run
        // the app on. For desktop platforms, the controls will be smaller and
        // closer together (more dense) than on mobile platforms.
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: Stack(
        children: [
          MyHomePage(title: 'Flutter Dropdown Alert Demo'),
          DropdownAlert()
        ],
      ),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  void _success() {
    Map<String, dynamic> payload = new Map<String, dynamic>();
    payload["data"] = "content";
    AlertController.show("Success", "Success message here!", TypeAlert.success, payload);
  }

  void _warning() {
    AlertController.show("Warn!", "Warning message here!", TypeAlert.warning);
  }

  void _error() {
    AlertController.show("Error", "Error message here!", TypeAlert.error);
  }

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    AlertController.onTabListener((Map<String, dynamic> payload, TypeAlert type) {
      print("$payload - $type");
    });
  }
  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    final textStyle = TextStyle(color: Colors.white);
    return Scaffold(
        appBar: AppBar(
          // Here we take the value from the MyHomePage object that was created by
          // the App.build method, and use it to set our appbar title.
          title: Text(widget.title),
        ),
        body: Center(
          // Center is a layout widget. It takes a single child and positions it
          // in the middle of the parent.
          child: Column(
            // Column is also a layout widget. It takes a list of children and
            // arranges them vertically. By default, it sizes itself to fit its
            // children horizontally, and tries to be as tall as its parent.
            //
            // Invoke "debug painting" (press "p" in the console, choose the
            // "Toggle Debug Paint" action from the Flutter Inspector in Android
            // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
            // to see the wireframe for each widget.
            //
            // Column has various properties to control how it sizes itself and
            // how it positions its children. Here we use mainAxisAlignment to
            // center the children vertically; the main axis here is the vertical
            // axis because Columns are vertical (the cross axis would be
            // horizontal).
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              FlatButton(
                onPressed: _success,
                child: Text("Show success alert", style: textStyle),
                color: Colors.green,
              ),
              FlatButton(
                onPressed: _warning,
                child: Text("Show warning alert", style: textStyle),
                color: Colors.brown,
              ),
              FlatButton(
                  onPressed: _error,
                  child: Text(
                    "Show error alert",
                    style: textStyle,
                  ),
                  color: Colors.red)
            ],
          ),
        ));
  }
}