lit_relative_date_time 1.2.0

A Flutter package to generate relative dates to show differences in time in localized and human-readable format.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:lit_relative_date_time/lit_relative_date_time.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'LitRelativeDateTime',
      // Set the localization delegates you want to use.
      localizationsDelegates: [
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      // Set the supported locales according to the localizations you have
      // implemented on your application.
      supportedLocales: [
        const Locale('en'), // English, no country code
        const Locale('de'), // German, no country code
        const Locale('ru'), // Russian, no country code
      ],
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin {
  DateTime? _lastPressed;

  /// Reset the [_lastPressed] date time and start the animation.
  void _onPressed() {
    setState(() {
      _lastPressed = DateTime.now();
    });
  }

  void _add() {
    setState(() {
      _lastPressed = _lastPressed!.add(Duration(seconds: 10));
    });
  }

  void _addMinute() {
    setState(() {
      _lastPressed = _lastPressed!.add(Duration(minutes: 1));
    });
  }

  void _addHour() {
    setState(() {
      _lastPressed = _lastPressed!.add(Duration(hours: 1));
    });
  }

  void _addDay() {
    setState(() {
      _lastPressed = _lastPressed!.add(Duration(days: 1));
    });
  }

  void _addWeek() {
    setState(() {
      _lastPressed = _lastPressed!.add(Duration(days: 7));
    });
  }

  void _subtract() {
    setState(() {
      _lastPressed = _lastPressed!.subtract(Duration(seconds: 10));
    });
  }

  void _subtractMinute() {
    setState(() {
      _lastPressed = _lastPressed!.subtract(Duration(minutes: 1));
    });
  }

  void _subtractHour() {
    setState(() {
      _lastPressed = _lastPressed!.subtract(Duration(hours: 1));
    });
  }

  void _subtractDay() {
    setState(() {
      _lastPressed = _lastPressed!.subtract(Duration(days: 1));
    });
  }

  void _subtractWeek() {
    setState(() {
      _lastPressed = _lastPressed!.subtract(Duration(days: 7));
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.black,
        title: Text("LitRelativeDateTime"),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _onPressed,
        child: Icon(_lastPressed != null ? Icons.restore : Icons.play_arrow),
      ),
      body: Column(
        crossAxisAlignment: CrossAxisAlignment.center,
        mainAxisAlignment: MainAxisAlignment.center,
        mainAxisSize: MainAxisSize.max,
        children: [
          Center(
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: Text(
                "Last pressed:",
                textAlign: TextAlign.end,
              ),
            ),
          ),
          Center(
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: _lastPressed != null
                  ? Column(
                      children: [
                        AnimatedRelativeDateTimeBuilder(
                          animateOpacity: true,
                          date: _lastPressed!,
                          builder: (relDateTime, formatted) {
                            return Text(
                              formatted,
                            );
                          },
                        ),
                        SizedBox(height: 4.0),
                        ElevatedButton(
                          onPressed: _addWeek,
                          child: Text(
                            "add one week".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _addDay,
                          child: Text(
                            "add one day".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _addHour,
                          child: Text(
                            "add one hr".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _addMinute,
                          child: Text(
                            "add one min".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _add,
                          child: Text(
                            "add ten secs".toUpperCase(),
                          ),
                        ),
                        SizedBox(height: 4.0),
                        ElevatedButton(
                          onPressed: _subtract,
                          child: Text(
                            "sub ten secs".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _subtractMinute,
                          child: Text(
                            "sub one min".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _subtractHour,
                          child: Text(
                            "sub one hr".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _subtractDay,
                          child: Text(
                            "sub one day".toUpperCase(),
                          ),
                        ),
                        ElevatedButton(
                          onPressed: _subtractWeek,
                          child: Text(
                            "sub one week".toUpperCase(),
                          ),
                        )
                      ],
                    )
                  : Text(
                      "Not Pressed Yet",
                    ),
            ),
          ),
        ],
      ),
    );
  }
}