AWS IoT | Flutter MQTT Client App for macOS - UI Part (For Newbies)

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Eric
2021-06-16 13:26:33 -07:00
parent f2baa44269
commit e4113dc975
5 changed files with 1120 additions and 0 deletions

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# This file tracks properties of this Flutter project.
# Used by Flutter tool to assess capabilities and perform upgrades etc.
#
# This file should be version controlled and should not be manually edited.
version:
revision: d79295af24c3ed621c33713ecda14ad196fd9c31
channel: stable
project_type: app

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# mqtt_esp32cam_viewer
A new Flutter project.
## Getting Started
This project is a starting point for a Flutter application.
A few resources to get you started if this is your first Flutter project:
- [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
- [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
For help getting started with Flutter, view our
[online documentation](https://flutter.dev/docs), which offers tutorials,
samples, guidance on mobile development, and a full API reference.

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import 'package:flutter/material.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
title: 'MQTT ESP32CAM VIEWER',
themeMode: ThemeMode.dark,
darkTheme: ThemeData.dark(),
home: MQTTClient(),
);
}
}
class MQTTClient extends StatefulWidget {
const MQTTClient({Key? key}) : super(key: key);
@override
_MQTTClientState createState() => _MQTTClientState();
}
class _MQTTClientState extends State<MQTTClient> {
String statusText = "Status Text";
bool isConnected = false;
TextEditingController idTextController = TextEditingController();
@override
void dispose() {
idTextController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: SafeArea(
child: Column(
children: [header(), body(), footer()],
),
),
);
}
Widget header() {
return Expanded(
child: Container(
child: Text(
'ESP32CAM Viewer\n- AWS IoT -',
style: TextStyle(
fontSize: 28, color: Colors.white, fontWeight: FontWeight.bold),
textAlign: TextAlign.center,
),
),
flex: 3,
);
}
Widget body() {
return Expanded(
child: Container(
color: Colors.black26,
child: Row(
children: [
Expanded(
child: Container(
color: Colors.black,
child: Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 16, vertical: 8),
child: TextFormField(
enabled: !isConnected,
controller: idTextController,
decoration: InputDecoration(
border: UnderlineInputBorder(),
labelText: 'MQTT Client Id',
labelStyle: TextStyle(fontSize: 10),
suffixIcon: IconButton(
icon: Icon(Icons.subdirectory_arrow_left),
onPressed: () {},
))),
),
isConnected
? TextButton(
onPressed: () {}, child: Text('Disconnect'))
: Container()
],
),
),
flex: 3,
),
Expanded(
child: Container(color: Colors.white),
flex: 7,
)
],
),
),
flex: 20,
);
}
Widget footer() {
return Expanded(
child: Container(
alignment: Alignment.centerRight,
padding: const EdgeInsets.only(right: 16),
child: Text(
statusText,
style: TextStyle(
fontWeight: FontWeight.normal, color: Colors.amberAccent),
),
),
flex: 1,
);
}
}

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name: mqtt_esp32cam_viewer_ui
description: A new Flutter project.
# The following line prevents the package from being accidentally published to
# pub.dev using `pub publish`. This is preferred for private packages.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
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# A version number is three numbers separated by dots, like 1.2.43
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# Read more about iOS versioning at
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version: 1.0.0+1
environment:
sdk: ">=2.12.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
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# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: ^1.0.2
dev_dependencies:
flutter_test:
sdk: flutter
# For information on the generic Dart part of this file, see the
# following page: https://dart.dev/tools/pub/pubspec
# The following section is specific to Flutter.
flutter:
# The following line ensures that the Material Icons font is
# included with your application, so that you can use the icons in
# the material Icons class.
uses-material-design: true
# To add assets to your application, add an assets section, like this:
# assets:
# - images/a_dot_burr.jpeg
# - images/a_dot_ham.jpeg
# An image asset can refer to one or more resolution-specific "variants", see
# https://flutter.dev/assets-and-images/#resolution-aware.
# For details regarding adding assets from package dependencies, see
# https://flutter.dev/assets-and-images/#from-packages
# To add custom fonts to your application, add a fonts section here,
# in this "flutter" section. Each entry in this list should have a
# "family" key with the font family name, and a "fonts" key with a
# list giving the asset and other descriptors for the font. For
# example:
# fonts:
# - family: Schyler
# fonts:
# - asset: fonts/Schyler-Regular.ttf
# - asset: fonts/Schyler-Italic.ttf
# style: italic
# - family: Trajan Pro
# fonts:
# - asset: fonts/TrajanPro.ttf
# - asset: fonts/TrajanPro_Bold.ttf
# weight: 700
#
# For details regarding fonts from package dependencies,
# see https://flutter.dev/custom-fonts/#from-packages