bubble 0.1.4

A Flutter widget for chat like a speech bubble in Whatsapp and others.

example/lib/main.dart

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

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

class MyApp extends StatelessWidget {
  static const TITLE = 'Bubble Demo';
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: TITLE,
      theme: ThemeData(
        primarySwatch: Colors.teal,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key}) : super(key: key);

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

class _MyHomePageState extends State<MyHomePage> {
  static const Color COLOR_LEFT = Colors.white;
  static const Color COLOR_RIGHT = Color.fromARGB(255, 225, 255, 199);
  static const Color COLOR_CAPTION = Color.fromARGB(255, 212, 234, 244);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(MyApp.TITLE),
      ),
      body: Container(
        width: double.infinity,
        color: Colors.yellow.withAlpha(64),
        child: ListView(
          padding: EdgeInsets.all(8),
          children: [
            Container(
              alignment: Alignment.topCenter,
              child: Bubble(
                source: BubbleSource.NO_SOURCE,
                color: COLOR_CAPTION,
                child: Text('TODAY', style: TextStyle(fontSize: 10)),
              ),
            ),
            Container(
              alignment: Alignment.topLeft,
              child: Bubble(
                source: BubbleSource.TOP_LEFT,
                color: COLOR_LEFT,
                child: Text('Hi Jason. Sorry to bother you. I have a queston for you.'),
              ),
            ),
            Container(
              alignment: Alignment.topRight,
              child: Bubble(
                source: BubbleSource.TOP_RIGHT,
                color: COLOR_RIGHT,
                child: Text('OK, whats\'up?'),
              ),
            ),
            Container(
              alignment: Alignment.topLeft,
              child: Bubble(
                source: BubbleSource.TOP_LEFT,
                color: COLOR_LEFT,
                child: Text('I\'ve been having a problem with my computer.'),
              ),
            ),
            Container(
              alignment: Alignment.topLeft,
              child: Bubble(
                source: BubbleSource.TOP_LEFT,
                color: COLOR_LEFT,
                margin: EdgeInsets.only(top: 2),
                showNip: false,
                child: Text('Can you help me?'),
              ),
            ),
            Container(
              alignment: Alignment.topRight,
              child: Bubble(
                source: BubbleSource.TOP_RIGHT,
                color: COLOR_RIGHT,
                child: Text('What\'s the problem?'),
              ),
            ),

            Divider(),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              elevation: 1,
              child: Text('Test 1'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 6,
              nipWidth: 8,
              nipHeight: 10,
              nipRadius: 1,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: const EdgeInsets.only(top: 8),
              child: Text('Test 2'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 0,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 3r0'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 3r1'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 2,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 3r2'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 3,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 3r3'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 4,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 3r4'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 0,
              nipOffset: 28,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 4r0'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 4r1'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 2,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 4r2'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 3,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 4r3'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 4,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 4r4'),
            ),
            Bubble(
              source: BubbleSource.NO_SOURCE,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 5'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 8,
              showNip: false,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 6'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 1,
              nipWidth: 8,
              nipHeight: 16,
              nipRadius: 1,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 7'),
            ),
            Bubble(
              source: BubbleSource.TOP_LEFT,
              radius: 1,
              nipWidth: 32,
              nipHeight: 8,
              nipRadius: 0,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, right: 50),
              child: Text('Test 8'),
            ),

            Divider(),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              elevation: 1,
              child: Text('Test 1'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 6,
              nipWidth: 8,
              nipHeight: 10,
              nipRadius: 1,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: const EdgeInsets.only(top: 8),
              child: Text('Test 2'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 0,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 3r0'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 3r1'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 2,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 3r2'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 3,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 3r3'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 8,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 4,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 3r4'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 0,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 4r0'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 4r1'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 2,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 4r2'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 3,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 4r3'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 4,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 4r4'),
            ),
            Bubble(
              source: BubbleSource.NO_SOURCE,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 8,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 5'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 16,
              nipWidth: 16,
              nipHeight: 8,
              nipRadius: 1,
              nipOffset: 8,
              showNip: false,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 6'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 1,
              nipWidth: 8,
              nipHeight: 16,
              nipRadius: 1,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 7'),
            ),
            Bubble(
              source: BubbleSource.TOP_RIGHT,
              radius: 1,
              nipWidth: 32,
              nipHeight: 8,
              nipRadius: 0,
              nipOffset: 0,
              showNip: true,
              color: Colors.white,
              elevation: 1,
              shadowColor: Colors.black,
              padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
              margin: EdgeInsets.only(top: 8, left: 50),
              child: Text('Test 8'),
            ),
          ],
        ),
      ),
    );
  }
}