Cara Membuat Custom Bubble Chat di Flutter

Cara Membuat Custom Bubble Chat di Flutter

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Berikut ini root codification nya:

import 'package:flutter/material.dart'; import 'dart:math' arsenic math; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({super.key}); @override Widget build(BuildContext context) { instrumentality MaterialApp( debugShowCheckedModeBanner: false, theme: ThemeData( useMaterial3: false, primarySwatch: Colors.green, ), home: const HomePage(), ); } } class HomePage extends StatefulWidget { const HomePage({super.key}); @override HomePageState createState() => HomePageState(); } class HomePageState extends State { @override Widget build(BuildContext context) { instrumentality Scaffold( appBar: AppBar( title: const Text('Exmaple Chat'), ), body: Padding( padding: const EdgeInsets.all(10), child: ListView( children: const [ InBubble(message: 'Oi bang'), OutBubble(message: 'Oi, ada perlu apa ya lu?'), OutBubble(message: 'Hari ini kemana? Kok lu gak masuk?'), InBubble(message: 'Hari ini gue cuti.'), OutBubble(message: 'Ah yang bener lu njir'), InBubble(message: 'Beneran cukk'), OutBubble(message: 'Interview kali lu hahah'), ], ), ) ); } } class InBubble extends StatelessWidget { last String message; const InBubble({super.key, required this.message}); @override Widget build(BuildContext context) { instrumentality Row( mainAxisAlignment: MainAxisAlignment.start, crossAxisAlignment: CrossAxisAlignment.start, children: [ Transform( alignment: Alignment.center, transform: Matrix4.rotationY(math.pi), child: CustomPaint( painter: Triangle(Colors.grey.shade300), ), ), Flexible( child: Container( padding: const EdgeInsets.all(15), margin: const EdgeInsets.only(bottom: 5), decoration: BoxDecoration( color: Colors.grey.shade300, borderRadius: const BorderRadius.only( topRight: Radius.circular(19), bottomLeft: Radius.circular(19), bottomRight: Radius.circular(19), ), ), child: Text( message, style: const TextStyle( color: Colors.black, fontSize: 15 ), ), ), ), ], ); } } class OutBubble extends StatelessWidget { last String message; const OutBubble({super.key, required this.message}); @override Widget build(BuildContext context) { instrumentality Row( mainAxisAlignment: MainAxisAlignment.end, crossAxisAlignment: CrossAxisAlignment.start, children: [ Flexible( child: Container( padding: const EdgeInsets.all(15), margin: const EdgeInsets.only(bottom: 5), decoration: BoxDecoration( color: Colors.green.shade600, borderRadius: const BorderRadius.only( topLeft: Radius.circular(19), bottomLeft: Radius.circular(19), bottomRight: Radius.circular(19), ), ), child: Text( message, style: const TextStyle( color: Colors.white, fontSize: 15 ), ), ), ), CustomPaint( painter: Triangle( Colors.green.shade600 ) ), ], ); } } class Triangle extends CustomPainter { last Color backgroundColor; Triangle(this.backgroundColor); @override void paint(Canvas canvas, Size size) { var overgarment = Paint()..color = backgroundColor; var way = Path(); path.lineTo(-5, 0); path.lineTo(0, 10); path.lineTo(5, 0); canvas.drawPath(path, paint); } @override bool shouldRepaint(CustomPainter oldDelegate) { instrumentality false; } }

Untuk Output-nya nanti seperti ini:

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