need_resume 1.0.0

A package to implement onResume (Android)/viewDidAppear (iOS) functionality on Stateful widget.

Need Resume

Need Resume is a package to implement onResume (Android)/viewDidAppear (iOS) functionality on Stateful widget.

Quick Usage

Add with NeedResume to your State<MyWidget> class and then implement the void onResume() abstract method. Call prepareResume() inside your build()method and callneedResume()` after you push another screen.

Installation

Add this to your package's pubspec.yaml file:

dependencies:
  need_resume: ^1.0.0

Example

import 'package:flutter/material.dart';
import 'package:need_resume/need_resume.dart';

void main() => runApp(new MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'My Application',
      home: new HomeScreen()
    );
  }
}

class HomeScreen extends StatefulWidget {
  @override
  HomeScreenState createState() => new HomeScreenState();
}

class HomeScreenState extends State<HomeScreen> with NeedResume {
  @override
  Widget build(BuildContext context) {
    prepareResume();

    return new Scaffold(
      body: Center(
        child: RaisedButton(
          child: Text('Go to Another Screen'),
          onPressed: () {
            goAnotherScreen();
          },
        ),
      ),
    );
  }

  @override
  void onResume() {
    // Write your code here
    print('HomeScreen is resumed!');
  }

  void goAnotherScreen() async {
    await Navigator.push(context, MaterialPageRoute(builder: (context) => AnotherScreen()));
    needResume();
  }
}

class AnotherScreen extends StatefulWidget {
  @override
  AnotherScreenState createState() => new AnotherScreenState();
}

class AnotherScreenState extends State<AnotherScreen> {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      body: Center(
        child: RaisedButton(
          child: Text('Back'),
          onPressed: () {
            goBack();
          },
        ),
      ),
    );
  }

  void goBack() async {
    await Navigator.pop(context);
  }
}