title
Flutter Crash Course
description
In this crash course we will look at Flutter for building native mobile apps. We will look at what Flutter is, how to get setup, built in widgets, stateless and stateful widgets, routing and more
Sponsor: Linode Hosting
https://linode.com/traversy
Flutter Setup Gist:
https://gist.github.com/bradtraversy/f1af78251962bb210c2ebe5b4f9a5c35
Code:
https://github.com/bradtraversy/wordpair_generator
Docs Tutorial:
https://flutter.dev/docs/get-started/codelab
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detail
{'title': 'Flutter Crash Course', 'heatmap': [{'end': 895.234, 'start': 848.263, 'weight': 0.821}, {'end': 1008.953, 'start': 926.224, 'weight': 1}, {'end': 2066.353, 'start': 2028.135, 'weight': 0.726}, {'end': 2142.388, 'start': 2098.214, 'weight': 0.7}], 'summary': 'The flutter crash course covers basics of flutter, dart programming, setup requirements, utilizing widgets, building dynamic list views, implementing icons, and list view, while emphasizing performance and usability, along with $20 in free hosting credit from sponsor linode.', 'chapters': [{'end': 175.175, 'segs': [{'end': 37.565, 'src': 'embed', 'start': 7.401, 'weight': 2, 'content': [{'end': 9.062, 'text': 'This video is sponsored by Linode.', 'start': 7.401, 'duration': 1.661}, {'end': 10.503, 'text': 'Anyone can build on Linode.', 'start': 9.182, 'duration': 1.321}, {'end': 16.726, 'text': "whether you need a development portfolio to land your next job or you're ready to put your app into production, Linode can get you there.", 'start': 10.503, 'duration': 6.223}, {'end': 22.149, 'text': 'For $20 in free hosting credit, click the link below or sign up at linode.com slash Traversee.', 'start': 16.786, 'duration': 5.363}, {'end': 25.553, 'text': "Hey, what's going on, guys? Welcome to my Flutter crash course.", 'start': 22.95, 'duration': 2.603}, {'end': 30.858, 'text': "So in this video, I'm going to show you how to get Flutter up and running and talk about it a little bit, what it is.", 'start': 25.613, 'duration': 5.245}, {'end': 37.565, 'text': "We're going to look at just a couple slides and then jump into our project, which is going to be a simple word pair generator app,", 'start': 30.878, 'duration': 6.687}], 'summary': 'Linode offers $20 free hosting credit for app development tutorial on flutter.', 'duration': 30.164, 'max_score': 7.401, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA7401.jpg'}, {'end': 96.429, 'src': 'embed', 'start': 56.977, 'weight': 0, 'content': [{'end': 66.525, 'text': "It's an SDK or a software development environment and a UI toolkit from Google to build natively compiled apps for mobile web and desktop,", 'start': 56.977, 'duration': 9.548}, {'end': 69.287, 'text': "although it's mostly used for mobile, and that's what we're focusing on.", 'start': 66.525, 'duration': 2.762}, {'end': 78.595, 'text': "And what's fantastic about Flutter is that you can build very performant iOS and Android apps native apps using only one code base,", 'start': 70.108, 'duration': 8.487}, {'end': 88.662, 'text': "rather than the traditional route where you'd have either a Java or a Kotlin code base for your Android app and then you'd have a Swift code base for your iOS app.", 'start': 78.595, 'duration': 10.067}, {'end': 94.267, 'text': "With Flutter, not only do we have a single code base, but it's easier to create applications, at least in my opinion.", 'start': 88.722, 'duration': 5.545}, {'end': 96.429, 'text': 'And Flutter is cross-platform.', 'start': 94.888, 'duration': 1.541}], 'summary': 'Flutter is a ui toolkit for creating performant ios and android apps using a single code base, focusing on mobile development.', 'duration': 39.452, 'max_score': 56.977, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA56977.jpg'}], 'start': 7.401, 'title': 'Flutter crash course', 'summary': 'Covers the basics of flutter, highlighting its features and advantages, such as building performant ios and android apps using a single code base, utilizing dart programming language, and receiving $20 in free hosting credit from sponsor linode.', 'chapters': [{'end': 175.175, 'start': 7.401, 'title': 'Flutter crash course', 'summary': "Covers the basics of flutter, including its features and advantages, such as the ability to build performant ios and android apps using a single code base, the use of dart programming language, and the sponsor linode's offer of $20 in free hosting credit.", 'duration': 167.774, 'highlights': ['Flutter allows building performant iOS and Android apps using a single code base. Flutter enables the creation of very performant iOS and Android native apps using only one code base, as opposed to the traditional route of separate code bases for each platform.', 'Flutter uses Dart programming language, which is optimized for building UIs and resembles JavaScript. Flutter employs Dart, an object-oriented language optimized for building UIs, and it is relatively easy to pick up, especially for those familiar with JavaScript, with some elements of Java.', 'Linode offers $20 in free hosting credit. The video is sponsored by Linode, which provides $20 in free hosting credit for those interested in building on their platform.']}], 'duration': 167.774, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA7401.jpg', 'highlights': ['Flutter allows building performant iOS and Android apps using a single code base.', 'Flutter uses Dart programming language, optimized for building UIs and resembling JavaScript.', 'Linode offers $20 in free hosting credit for those interested in building on their platform.']}, {'end': 972.012, 'segs': [{'end': 236.5, 'src': 'embed', 'start': 196.927, 'weight': 0, 'content': [{'end': 200.688, 'text': 'pixel for pixel, and material design comes out of the box with Flutter.', 'start': 196.927, 'duration': 3.761}, {'end': 210.032, 'text': 'Some of the common widgets are scaffold, which is like a high level widget that can have lower level ones inside of it, like a container, an image,', 'start': 201.168, 'duration': 8.864}, {'end': 211.873, 'text': 'an icon, even text.', 'start': 210.032, 'duration': 1.841}, {'end': 213.922, 'text': 'an app bar, things like that.', 'start': 212.421, 'duration': 1.501}, {'end': 216.725, 'text': "And there's a whole catalog of widgets in the documentation.", 'start': 213.962, 'duration': 2.763}, {'end': 223.431, 'text': "There's widgets for like animation and motion input, accessibility, pretty much anything that you can think of.", 'start': 217.005, 'duration': 6.426}, {'end': 229.257, 'text': "Also, widgets can be stateless or stateful, which I'm going to talk about in the next two slides.", 'start': 224.572, 'duration': 4.685}, {'end': 236.5, 'text': "And there's a lot of similarities here with something like react or pretty much any front end JavaScript framework.", 'start': 230.057, 'duration': 6.443}], 'summary': 'Flutter offers pixel-perfect ui with material design, extensive widget catalog, and similarity to react.', 'duration': 39.573, 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multiple times.', 'duration': 29.673, 'max_score': 283.67, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA283670.jpg'}, {'end': 358.39, 'src': 'embed', 'start': 329.411, 'weight': 3, 'content': [{'end': 331.852, 'text': "OK, and if that's confusing, don't worry about it.", 'start': 329.411, 'duration': 2.441}, {'end': 333.373, 'text': "We're going to get more into that later.", 'start': 331.872, 'duration': 1.501}, {'end': 336.975, 'text': "OK, so as far as setting up your system, there's some requirements.", 'start': 333.593, 'duration': 3.382}, {'end': 343.8, 'text': "If you're building iOS apps on a Mac, you need the latest Xcode and that will give you the iOS simulator.", 'start': 337.276, 'duration': 6.524}, {'end': 347.963, 'text': "That's what we'll be using to basically view our application on Windows.", 'start': 343.84, 'duration': 4.123}, {'end': 349.624, 'text': 'You need Android Studio.', 'start': 348.123, 'duration': 1.501}, {'end': 358.39, 'text': "And if you're on Mac and you're building for Android, You need Android Studio, the SDK, the emulator, which is the AVD, the Android virtual device.", 'start': 349.744, 'duration': 8.646}], 'summary': 'For ios app development on mac, need xcode for ios simulator. for android, need android studio, sdk, and avd.', 'duration': 28.979, 'max_score': 329.411, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA329411.jpg'}, {'end': 669.17, 'src': 'embed', 'start': 644.821, 'weight': 4, 'content': [{'end': 652.404, 'text': "And what that's going to do is give you a summary of kind of your dependencies and what you have installed and what you need.", 'start': 644.821, 'duration': 7.583}, {'end': 656.105, 'text': 'You can see I have all green checks here, but you may have some red axes.', 'start': 652.704, 'duration': 3.401}, {'end': 663.068, 'text': 'So we have Flutter, we have the Android plug in Xcode, which I have installed.', 'start': 656.565, 'duration': 6.503}, {'end': 669.17, 'text': "You want the latest version of Xcode if you're on a Mac, Android Studio and the VS Code extension.", 'start': 663.488, 'duration': 5.682}], 'summary': 'Dependencies overview: flutter, android plug-in xcode, latest xcode, android studio, and vs code extension', 'duration': 24.349, 'max_score': 644.821, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA644821.jpg'}, {'end': 895.234, 'src': 'heatmap', 'start': 848.263, 'weight': 0.821, 'content': [{'end': 861.087, 'text': "my dev folder where I want to create my application and run flutter create and let's call this word pair underscore generator,", 'start': 848.263, 'duration': 12.824}, {'end': 862.627, 'text': 'and that will generate our application.', 'start': 861.087, 'duration': 1.54}, {'end': 870.07, 'text': "OK so now I'm just going to see the into word pair generator and I'm going to open it up with V.S.", 'start': 862.647, 'duration': 7.423}, {'end': 874.837, 'text': "code And obviously, you don't have to use VS Code.", 'start': 870.09, 'duration': 4.747}, {'end': 879.941, 'text': 'You could use like Android Studio or some other text editor IDE.', 'start': 874.857, 'duration': 5.084}, {'end': 886.606, 'text': "But if you install the Flutter extension, so let's see, Flutter, I already have it installed.", 'start': 880.481, 'duration': 6.125}, {'end': 889.589, 'text': "Looks like there's a reload required.", 'start': 888.028, 'duration': 1.561}, {'end': 890.53, 'text': "I'll go ahead and do that.", 'start': 889.609, 'duration': 0.921}, {'end': 895.234, 'text': 'Dart has been updated.', 'start': 893.792, 'duration': 1.442}], 'summary': 'Creating a flutter application called word pair generator and opening it in vs code.', 'duration': 46.971, 'max_score': 848.263, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA848263.jpg'}], 'start': 175.536, 'title': 'Flutter development', 'summary': 'Introduces flutter widgets and covers their functionalities and comparisons with other frameworks. it also explains the setup requirements for building ios and android apps on mac and windows, including installation and configuration details.', 'chapters': [{'end': 329.391, 'start': 175.536, 'title': 'Flutter widgets overview', 'summary': 'Introduces flutter widgets, covering their functionalities, similarities with other front-end frameworks, and the concept of stateless and stateful widgets, with examples and comparisons, making it relatively easy to transition from other frameworks to flutter.', 'duration': 153.855, 'highlights': ['Flutter widgets are essentially a widget, and Flutter widgets are made to look exactly like the stock OEM widgets, pixel for pixel, and material design comes out of the box with Flutter. Flutter widgets are designed to resemble stock OEM widgets and support material design, ensuring accurate pixel-to-pixel representation.', "There's a whole catalog of widgets in the documentation, covering animation, motion input, accessibility, and more. The documentation provides a comprehensive catalog of widgets, including those for animation, motion input, and accessibility.", "Stateless widgets are immutable, and their state can't change during the runtime of the app. Stateless widgets are immutable, ensuring that their state remains unchanged during the app's runtime.", 'Stateful widgets have mutable state that can be redrawn on the screen multiple times, and they require overriding the create state method and building the UI separately. Stateful widgets have mutable state, allowing for multiple redraws on the screen, and involve overriding the create state method and building the UI separately.', 'Flutter shares similarities with front-end JavaScript frameworks like react, using widgets instead of components, each with a build method that can be overridden. Flutter shares similarities with front-end JavaScript frameworks like react, utilizing widgets with build methods, akin to components in react.']}, {'end': 972.012, 'start': 329.411, 'title': 'Setting up flutter development environment', 'summary': 'Covers the setup requirements for building ios and android apps on mac and windows, including installing xcode, android studio, flutter plugin, and vs code extensions, as well as configuring the ios simulator and android virtual device manager.', 'duration': 642.601, 'highlights': ['The chapter covers the setup requirements for building iOS and Android apps on Mac and Windows The chapter discusses the specific requirements for setting up a development environment for building iOS and Android apps on Mac and Windows.', 'Installing Xcode, Android Studio, Flutter plugin, and VS Code extensions are essential for the setup The transcript details the essential installations required for setting up the development environment, including Xcode, Android Studio, Flutter plugin, and VS Code extensions.', 'Configuring the iOS simulator and Android virtual device manager is essential for testing the applications The transcript emphasizes the importance of configuring the iOS simulator and Android virtual device manager for testing the developed applications.']}], 'duration': 796.476, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA175536.jpg', 'highlights': ['Flutter widgets are designed to resemble stock OEM widgets and support material design, ensuring accurate pixel-to-pixel representation.', 'The documentation provides a comprehensive catalog of widgets, including those for animation, motion input, and accessibility.', 'Stateful widgets have mutable state, allowing for multiple redraws on the screen, and involve overriding the create state method and building the UI separately.', 'The chapter discusses the specific requirements for setting up a development environment for building iOS and Android apps on Mac and Windows.', 'The transcript details the essential installations required for setting up the development environment, including Xcode, Android Studio, Flutter plugin, and VS Code extensions.', 'The transcript emphasizes the importance of configuring the iOS simulator and Android virtual device manager for testing the developed applications.']}, {'end': 1784.636, 'segs': [{'end': 1008.953, 'src': 'embed', 'start': 973.292, 'weight': 0, 'content': [{'end': 978.495, 'text': "And to run this, all we have to do is go up to the menu, which is you guys can't see it's off the screen.", 'start': 973.292, 'duration': 5.203}, {'end': 989.2, 'text': 'But if you go to debug and then start debugging and choose your environment, which is going to be Dart and Flutter, it should launch your application.', 'start': 978.555, 'duration': 10.645}, {'end': 994.053, 'text': 'So we have a really nice workflow.', 'start': 992.611, 'duration': 1.442}, {'end': 995.275, 'text': "I'm just going to close this up.", 'start': 994.073, 'duration': 1.202}, {'end': 996.336, 'text': "We don't need that anymore.", 'start': 995.295, 'duration': 1.041}, {'end': 1008.953, 'text': "And this will make it so that when we save our files, it'll auto reload and it's just a really nice workflow.", 'start': 1003.025, 'duration': 5.928}], 'summary': 'Using dart and flutter provides a smooth workflow with auto-reload feature.', 'duration': 35.661, 'max_score': 973.292, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA973292.jpg'}, {'end': 1075.264, 'src': 'embed', 'start': 1028.664, 'weight': 1, 'content': [{'end': 1032.105, 'text': 'So this is just the little default application that they give you.', 'start': 1028.664, 'duration': 3.441}, {'end': 1033.645, 'text': 'But our app is running.', 'start': 1032.565, 'duration': 1.08}, {'end': 1036.025, 'text': 'So if we look over here, you can see our files.', 'start': 1033.785, 'duration': 2.24}, {'end': 1043.647, 'text': 'Now, as far as the file structure, the only thing that the only place that we really need to worry about right now is the lib folder.', 'start': 1036.565, 'duration': 7.082}, {'end': 1046.569, 'text': 'this is where all of our code is going to go.', 'start': 1043.647, 'duration': 2.922}, {'end': 1051.552, 'text': "you can see there's a main.dart file and this is what is running the app.", 'start': 1046.569, 'duration': 4.983}, {'end': 1053.834, 'text': 'this is the, the main source code.', 'start': 1051.552, 'duration': 2.282}, {'end': 1061.618, 'text': "now this may look a little intimidating, but it's it's like 85 comments, so don't get too intimidated by it.", 'start': 1053.834, 'duration': 7.784}, {'end': 1064.18, 'text': "but basically i mean i'm not going to go through all the code,", 'start': 1061.618, 'duration': 2.562}, {'end': 1071.763, 'text': "but we're importing material design and every Dart application is going to have this main function.", 'start': 1064.18, 'duration': 7.583}, {'end': 1075.264, 'text': 'OK, so void main void just means that nothing is returned from it.', 'start': 1071.783, 'duration': 3.481}], 'summary': 'The app is running with code in the lib folder and main.dart file, including material design and main function.', 'duration': 46.6, 'max_score': 1028.664, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1028664.jpg'}, {'end': 1200.711, 'src': 'embed', 'start': 1168.587, 'weight': 8, 'content': [{'end': 1171.99, 'text': "and then we'll define that by saying class.", 'start': 1168.587, 'duration': 3.403}, {'end': 1183.777, 'text': "my app, and that's going to extends, not sex tends, extends the stateless uh, stateless widget class, OK.", 'start': 1171.99, 'duration': 11.787}, {'end': 1193.105, 'text': 'and then in here we need to run our build method, or I should say override our build method, because this stateless widget class has a build method.', 'start': 1183.777, 'duration': 9.328}, {'end': 1200.711, 'text': "And when we do this, typically you'll see this at override like that, which isn't required, but it's just more readable,", 'start': 1193.705, 'duration': 7.006}], 'summary': 'Defining a class to extend the stateless widget class and overriding the build method for a flutter app.', 'duration': 32.124, 'max_score': 1168.587, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1168587.jpg'}, {'end': 1279.148, 'src': 'embed', 'start': 1245.546, 'weight': 2, 'content': [{'end': 1251.731, 'text': "So you can see right here material app and then there's a lot of different properties you can use.", 'start': 1245.546, 'duration': 6.185}, {'end': 1256.274, 'text': "but home is basically what's going to show in the UI.", 'start': 1251.731, 'duration': 4.543}, {'end': 1260.596, 'text': "And typically what you'll do is use the scaffold widget.", 'start': 1257.054, 'duration': 3.542}, {'end': 1268.361, 'text': 'So, if we want to look at that, say flutter scaffold.', 'start': 1261.377, 'duration': 6.984}, {'end': 1279.148, 'text': "so scaffold is basically a high level um widget where you can have multiple lower level widgets inside and there's different properties,", 'start': 1268.361, 'duration': 10.787}], 'summary': "In flutter, 'scaffold' is a high-level widget to build ui, with multiple lower-level widgets inside.", 'duration': 33.602, 'max_score': 1245.546, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1245546.jpg'}, {'end': 1345.26, 'src': 'embed', 'start': 1313.237, 'weight': 6, 'content': [{'end': 1320.901, 'text': "So in here we'll just say hello world and save it and the should actually run.", 'start': 1313.237, 'duration': 7.664}, {'end': 1326.925, 'text': "So it's minimize this and that's what we get which is very ugly kind of the default look.", 'start': 1321.062, 'duration': 5.863}, {'end': 1333.809, 'text': 'If we want to we can add in a style property here and we can use a text style widget.', 'start': 1327.345, 'duration': 6.464}, {'end': 1337.711, 'text': 'And what this takes in is a bunch of properties.', 'start': 1334.529, 'duration': 3.182}, {'end': 1343.538, 'text': "for instance, if we want to do font size, we could say I don't know 30.", 'start': 1337.711, 'duration': 5.827}, {'end': 1345.26, 'text': "let's do 30.5.", 'start': 1343.538, 'duration': 1.722}], 'summary': 'Using text style widget to set font size to 30.5.', 'duration': 32.023, 'max_score': 1313.237, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1313237.jpg'}, {'end': 1465.933, 'src': 'embed', 'start': 1437.026, 'weight': 5, 'content': [{'end': 1439.287, 'text': "So string can't be assigned to the parameter type.", 'start': 1437.026, 'duration': 2.261}, {'end': 1440.288, 'text': 'It has to be a widget.', 'start': 1439.327, 'duration': 0.961}, {'end': 1441.609, 'text': "So we're going to use a text widget.", 'start': 1440.348, 'duration': 1.261}, {'end': 1443.591, 'text': "So we'll wrap this in text.", 'start': 1441.749, 'duration': 1.842}, {'end': 1447.078, 'text': 'like that, and that should be good.', 'start': 1445.276, 'duration': 1.802}, {'end': 1449.58, 'text': 'So if we go ahead and save that, there we go.', 'start': 1447.258, 'duration': 2.322}, {'end': 1451.221, 'text': 'So we have our app bar.', 'start': 1449.64, 'duration': 1.581}, {'end': 1459.128, 'text': 'So in addition to app bar, actually, I want to show you how we can set the theme.', 'start': 1453.083, 'duration': 6.045}, {'end': 1461.81, 'text': 'So another property that we can have in here.', 'start': 1459.668, 'duration': 2.142}, {'end': 1465.933, 'text': "I really don't like how VS code formats this, but I guess we'll deal with it.", 'start': 1461.81, 'duration': 4.123}], 'summary': 'Using a text widget to assign to the parameter type, setting the theme property.', 'duration': 28.907, 'max_score': 1437.026, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1437026.jpg'}, {'end': 1632.484, 'src': 'embed', 'start': 1607.202, 'weight': 7, 'content': [{'end': 1613.127, 'text': "So dart has its own packages and we're going to use English words, which is right here.", 'start': 1607.202, 'duration': 5.925}, {'end': 1618.731, 'text': 'And this is a package containing whatever 5,000 used English words and some utility functions.', 'start': 1613.487, 'duration': 5.244}, {'end': 1622.814, 'text': 'And it just kind of gives you some information now to install packages.', 'start': 1619.571, 'duration': 3.243}, {'end': 1629.581, 'text': 'We want to add it to our dependencies in our pub spec file, our pub spec dot YAML file.', 'start': 1623.595, 'duration': 5.986}, {'end': 1632.484, 'text': 'So we want to take the dependency.', 'start': 1630.081, 'duration': 2.403}], 'summary': 'Using dart, added package with 5,000 english words and utility functions to dependencies.', 'duration': 25.282, 'max_score': 1607.202, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1607202.jpg'}, {'end': 1738.166, 'src': 'embed', 'start': 1713.012, 'weight': 9, 'content': [{'end': 1717.875, 'text': "So down here in our build I'm going to go ahead and create a variable.", 'start': 1713.012, 'duration': 4.863}, {'end': 1726.72, 'text': "Now this variable is going to be a constant meaning that it can't be changed or I shouldn't say it can't be changed it can't be reassigned.", 'start': 1717.935, 'duration': 8.785}, {'end': 1733.324, 'text': "So I'm going to use the final keyword here we're going to say final and then we'll call this word pair.", 'start': 1727.4, 'duration': 5.924}, {'end': 1738.166, 'text': 'OK now final is similar to const in JavaScript.', 'start': 1734.062, 'duration': 4.104}], 'summary': "Creating a constant variable 'word pair' in the build.", 'duration': 25.154, 'max_score': 1713.012, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1713012.jpg'}], 'start': 973.292, 'title': 'Dart, flutter setup and ui building', 'summary': 'Covers setting up dart and flutter for a seamless workflow with auto-reload feature, demonstrating basic app layout and functionality, while introducing flutter app development basics such as file structure, widget creation, and material design usage. it also encompasses building a basic ui with emphasis on using widgets, defining properties, and installing dependencies from the pubspec.yaml file.', 'chapters': [{'end': 1028.243, 'start': 973.292, 'title': 'Setting up dart and flutter', 'summary': 'Explains the process of setting up dart and flutter, enabling a seamless workflow with auto-reload feature, and demonstrating the basic app layout and functionality, including an app bar, text display, and button for incrementing a number.', 'duration': 54.951, 'highlights': ['The chapter explains the process of setting up Dart and Flutter, enabling a seamless workflow with auto-reload feature.', 'Demonstrates the basic app layout and functionality, including an app bar, text display, and button for incrementing a number.', 'The menu option for starting debugging and choosing the environment is highlighted.']}, {'end': 1376.991, 'start': 1028.664, 'title': 'Introduction to flutter app development', 'summary': 'Introduces the basics of building a flutter app, including file structure, creating widgets, and using material design, with emphasis on the code structure and widget implementation.', 'duration': 348.327, 'highlights': ["The lib folder contains all the code for the app, including the main.dart file running the app. The lib folder houses all the app's code, with the main.dart file as the app's execution point.", 'The main.dart file consists of comments, import of material design, and the main function using an arrow for execution. The main.dart file includes comments, material design import, and an arrow-based main function.', "The chapter details the process of creating a core widget 'my app' using the class 'my app' and extending the stateless widget class. The process of creating a core widget 'my app' and extending the stateless widget class is explained.", 'The usage of material app and scaffold widget for implementing material design and UI components is demonstrated. The demonstration includes using material app and scaffold widget for material design and UI implementation.', 'The creation of a text widget with custom style properties such as font size and color is showcased. Creating a text widget with custom style properties like font size and color is showcased.']}, {'end': 1784.636, 'start': 1377.671, 'title': 'Building ui with flutter', 'summary': 'Covers building a basic ui with flutter, including adding app bar, setting theme, importing and using packages, and creating a constant variable, with a key focus on using widgets and defining properties, and installing dependencies from the pubspec.yaml file.', 'duration': 406.965, 'highlights': ['The chapter covers building a basic UI with Flutter The transcript delves into creating a basic UI with Flutter, demonstrating the use of widgets like material app, text widget, text style widget, and scaffold.', 'Adding app bar and setting theme The process of adding an app bar and setting a theme for the UI is explained, including using the app bar widget, wrapping title with a text widget, and using theme data to set the primary color.', 'Importing and using packages The chapter demonstrates importing and using a package called English words to utilize core functionality for generating word pairs, including adding the package to dependencies in the pubspec.yaml file and importing the package in the code.', 'Creating a constant variable The creation of a constant variable using the final keyword is explained, highlighting its similarity to const in JavaScript and its use for static values.']}], 'duration': 811.344, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA973292.jpg', 'highlights': ['The chapter explains the process of setting up Dart and Flutter, enabling a seamless workflow with auto-reload feature.', 'The lib folder contains all the code for the app, including the main.dart file running the app.', 'The chapter covers building a basic UI with Flutter, demonstrating the use of widgets like material app, text widget, text style widget, and scaffold.', 'The menu option for starting debugging and choosing the environment is highlighted.', 'The main.dart file consists of comments, import of material design, and the main function using an arrow for execution.', 'Adding app bar and setting theme The process of adding an app bar and setting a theme for the UI is explained, including using the app bar widget, wrapping title with a text widget, and using theme data to set the primary color.', 'The creation of a text widget with custom style properties such as font size and color is showcased.', 'Importing and using packages The chapter demonstrates importing and using a package called English words to utilize core functionality for generating word pairs, including adding the package to dependencies in the pubspec.yaml file and importing the package in the code.', "The process of creating a core widget 'my app' and extending the stateless widget class is explained.", 'Creating a constant variable The creation of a constant variable using the final keyword is explained, highlighting its similarity to const in JavaScript and its use for static values.']}, {'end': 2163.845, 'segs': [{'end': 1829.849, 'src': 'embed', 'start': 1785.476, 'weight': 0, 'content': [{'end': 1790.058, 'text': "OK, if you're going to use one at all and then we're going to just that's not what we want here.", 'start': 1785.476, 'duration': 4.582}, {'end': 1796.502, 'text': 'What we want to do is use the word pair object, which comes with the English words package.', 'start': 1790.479, 'duration': 6.023}, {'end': 1800.744, 'text': "And then there's some actually there's only one method I think on this called random.", 'start': 1796.682, 'duration': 4.062}, {'end': 1805.359, 'text': "And what that will do is it'll generate a random word pair.", 'start': 1801.417, 'duration': 3.942}, {'end': 1810.441, 'text': "In fact, if I hover over it, it'll tell us creates a single word pair randomly.", 'start': 1805.499, 'duration': 4.942}, {'end': 1822.866, 'text': "So for now, down here, let's just replace inside the text widget will replace this static string of hello world with our variable of word pair.", 'start': 1811.581, 'duration': 11.285}, {'end': 1827.908, 'text': "And then there's some methods attached to that to how we want it to be displayed.", 'start': 1823.346, 'duration': 4.562}, {'end': 1829.849, 'text': 'We could do as lowercase Pascal case.', 'start': 1827.928, 'duration': 1.921}], 'summary': 'Using the word pair object to generate random word pair and display it in the text widget.', 'duration': 44.373, 'max_score': 1785.476, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1785476.jpg'}, {'end': 1901.837, 'src': 'embed', 'start': 1873.583, 'weight': 4, 'content': [{'end': 1877.185, 'text': "I'm going to call a custom widget that we're going to create called random words.", 'start': 1873.583, 'duration': 3.602}, {'end': 1881.147, 'text': "So let's see material app ends here.", 'start': 1878.006, 'duration': 3.141}, {'end': 1882.187, 'text': 'So everything.', 'start': 1881.567, 'duration': 0.62}, {'end': 1893.511, 'text': "Within this home property, I'm going to just get rid of and we're going to have this call random words which we haven't created yet.", 'start': 1884.224, 'duration': 9.287}, {'end': 1898.234, 'text': "So let's go down here and let's create a class called random words.", 'start': 1893.671, 'duration': 4.563}, {'end': 1901.837, 'text': 'And this is going to take care of the state.', 'start': 1899.655, 'duration': 2.182}], 'summary': 'Creating a custom widget called random words for material app', 'duration': 28.254, 'max_score': 1873.583, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1873583.jpg'}, {'end': 1978.87, 'src': 'embed', 'start': 1940.546, 'weight': 5, 'content': [{'end': 1948.288, 'text': 'Random words state and this is where we handle all our UI stuff and this has to extends state in inside brackets.', 'start': 1940.546, 'duration': 7.742}, {'end': 1949.868, 'text': 'We want to put our random words.', 'start': 1948.308, 'duration': 1.56}, {'end': 1954.969, 'text': 'OK so this is where our build will go.', 'start': 1953.189, 'duration': 1.78}, {'end': 1967.092, 'text': "So let's say widget build takes a build context and let's return here.", 'start': 1954.989, 'duration': 12.103}, {'end': 1970.547, 'text': 'A scaffold widget.', 'start': 1969.006, 'duration': 1.541}, {'end': 1978.87, 'text': "OK, so within this scaffold we're going to have our app bar, because, remember,", 'start': 1970.567, 'duration': 8.303}], 'summary': 'Handling ui and building scaffold with app bar', 'duration': 38.324, 'max_score': 1940.546, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1940546.jpg'}, {'end': 2066.353, 'src': 'heatmap', 'start': 2028.135, 'weight': 0.726, 'content': [{'end': 2029.517, 'text': "Obviously, this isn't what we want.", 'start': 2028.135, 'duration': 1.382}, {'end': 2032.099, 'text': "What we want to have is what's called the list view.", 'start': 2029.557, 'duration': 2.542}, {'end': 2037.284, 'text': "So I'm actually going to create a new widget that will hold our list view.", 'start': 2032.78, 'duration': 4.504}, {'end': 2044.27, 'text': "So instead of just this text widget of hello inside the body, let's say underscore build list.", 'start': 2037.364, 'duration': 6.906}, {'end': 2047.093, 'text': "And then we're going to go above our build here.", 'start': 2044.871, 'duration': 2.222}, {'end': 2050.036, 'text': "And let's say widget underscore.", 'start': 2047.373, 'duration': 2.663}, {'end': 2052.641, 'text': 'Build list.', 'start': 2051.86, 'duration': 0.781}, {'end': 2055.728, 'text': 'And then we want to have our list view.', 'start': 2053.744, 'duration': 1.984}, {'end': 2059.077, 'text': "Now I'm going to just pull up the docs real quick.", 'start': 2055.849, 'duration': 3.228}, {'end': 2061.703, 'text': 'So Flutter list view.', 'start': 2059.097, 'duration': 2.606}, {'end': 2066.353, 'text': 'And a list view is the most commonly used scrolling widget.', 'start': 2063.972, 'duration': 2.381}], 'summary': 'Creating a list view widget to display scrolling content, using flutter.', 'duration': 38.218, 'max_score': 2028.135, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2028135.jpg'}, {'end': 2150.616, 'src': 'heatmap', 'start': 2098.214, 'weight': 3, 'content': [{'end': 2102.115, 'text': 'In fact, we could grab this and we could.', 'start': 2098.214, 'duration': 3.901}, {'end': 2105.276, 'text': 'Go ahead and return.', 'start': 2102.135, 'duration': 3.141}, {'end': 2111.418, 'text': 'Paste that in just had a semicolon down here, and then if we take a look at our app.', 'start': 2106.476, 'duration': 4.942}, {'end': 2113.785, 'text': 'There we go.', 'start': 2113.325, 'duration': 0.46}, {'end': 2117.068, 'text': 'So we just have basically a static list view.', 'start': 2113.885, 'duration': 3.183}, {'end': 2119.449, 'text': "Now, we don't want this to be static.", 'start': 2117.508, 'duration': 1.941}, {'end': 2124.033, 'text': 'We want this to be a dynamic list of random word pairs.', 'start': 2119.589, 'duration': 4.444}, {'end': 2128.996, 'text': "So in order to do that, we're going to use the builder method.", 'start': 2124.333, 'duration': 4.663}, {'end': 2134.641, 'text': "OK, in fact, if we look at Let's see, where is it? So just search for builder.", 'start': 2129.116, 'duration': 5.525}, {'end': 2142.388, 'text': 'So right here we can use this dot builder and then we can have a property called item builder, which is basically like an iterator.', 'start': 2135.201, 'duration': 7.187}, {'end': 2145.411, 'text': 'Okay It takes in a context and an index.', 'start': 2142.408, 'duration': 3.003}, {'end': 2150.616, 'text': 'And by the way, you can use static types like this, like int index.', 'start': 2145.931, 'duration': 4.685}], 'summary': 'Learning to create a dynamic list of random word pairs using the builder method in the app.', 'duration': 52.402, 'max_score': 2098.214, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2098214.jpg'}], 'start': 1785.476, 'title': 'Using word pair object and flutter app development', 'summary': 'Explains using the word pair object to generate random word pairs and creating a flutter app with a dynamic list of word pairs using a custom widget, list view, and builder method.', 'chapters': [{'end': 1851.354, 'start': 1785.476, 'title': 'Using word pair object', 'summary': "Explains how to use the word pair object from the english words package to generate random word pairs and display them with specified formatting, resulting in a demonstration of creating random word pairs such as 'bunch bed' and 'trunk rod'.", 'duration': 65.878, 'highlights': ["The word pair object from the English words package is used to generate random word pairs, demonstrated by examples like 'bunch bed' and 'trunk rod'.", "The method 'random' is utilized to create a single word pair randomly.", 'The chapter demonstrates replacing a static string with the variable of word pair and using methods like Pascal case for displaying the word pair.']}, {'end': 2163.845, 'start': 1851.434, 'title': 'Flutter app development', 'summary': 'Discusses creating a custom widget for a flutter app to display a dynamic list of random word pairs using a list view and the builder method.', 'duration': 312.411, 'highlights': ['A custom widget called random words is created to handle the state and UI stuff.', 'The widget includes a scaffold with an app bar and a body that utilizes a list view to display a dynamic list of random word pairs.', 'The builder method is used to dynamically generate the list view content based on an iterator, providing a dynamic user interface.']}], 'duration': 378.369, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA1785476.jpg', 'highlights': ['The chapter demonstrates replacing a static string with the variable of word pair and using methods like Pascal case for displaying the word pair.', "The word pair object from the English words package is used to generate random word pairs, demonstrated by examples like 'bunch bed' and 'trunk rod'.", "The method 'random' is utilized to create a single word pair randomly.", 'The builder method is used to dynamically generate the list view content based on an iterator, providing a dynamic user interface.', 'A custom widget called random words is created to handle the state and UI stuff.', 'The widget includes a scaffold with an app bar and a body that utilizes a list view to display a dynamic list of random word pairs.']}, {'end': 2734.268, 'segs': [{'end': 2192.868, 'src': 'embed', 'start': 2163.845, 'weight': 4, 'content': [{'end': 2173.231, 'text': "so anyway, this is what we're going to do is is turn this into a builder or use the builder method so that we can use dynamic data.", 'start': 2163.845, 'duration': 9.386}, {'end': 2183.251, 'text': "but before we do that, let's create a variable up here, our property called random word pairs,", 'start': 2173.231, 'duration': 10.02}, {'end': 2188.12, 'text': "and we can get these generated using the English words package that we're using.", 'start': 2183.251, 'duration': 4.869}, {'end': 2192.868, 'text': 'Remember we used word pair up above.', 'start': 2188.14, 'duration': 4.728}], 'summary': 'Using the builder method to dynamically generate random word pairs from the english words package.', 'duration': 29.023, 'max_score': 2163.845, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2163845.jpg'}, {'end': 2253.651, 'src': 'embed', 'start': 2225.212, 'weight': 5, 'content': [{'end': 2230.075, 'text': 'Now we want to iterate through that list and output list items.', 'start': 2225.212, 'duration': 4.863}, {'end': 2232.477, 'text': 'OK, list items of list tiles.', 'start': 2230.376, 'duration': 2.101}, {'end': 2235.499, 'text': 'Each one of these is actually called a tile list tile.', 'start': 2232.537, 'duration': 2.962}, {'end': 2237.541, 'text': 'So padding.', 'start': 2236.56, 'duration': 0.981}, {'end': 2238.021, 'text': "Let's see.", 'start': 2237.561, 'duration': 0.46}, {'end': 2241.083, 'text': "I'm going to actually change that to 16.", 'start': 2238.061, 'duration': 3.022}, {'end': 2246.087, 'text': "And then instead of children, we're going to use that item builder property, which is a function.", 'start': 2241.083, 'duration': 5.004}, {'end': 2253.651, 'text': 'So item builder and then we can get rid of this widget and then everything within the brackets and the brackets themselves.', 'start': 2247.279, 'duration': 6.372}], 'summary': 'Iterating through a list to output list items, changing padding to 16, and using the item builder property as a function.', 'duration': 28.439, 'max_score': 2225.212, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2225212.jpg'}, {'end': 2304.452, 'src': 'embed', 'start': 2276.558, 'weight': 3, 'content': [{'end': 2281.7, 'text': "So to do that we're just going to do a quick if statement and see if the divider is odd.", 'start': 2276.558, 'duration': 5.142}, {'end': 2283.34, 'text': "There's a property called is odd.", 'start': 2281.74, 'duration': 1.6}, {'end': 2288.762, 'text': "And if that's true then we're going to return a material design divider.", 'start': 2283.78, 'duration': 4.982}, {'end': 2294.417, 'text': "OK and if we hover over that you'll see creates a material design divider.", 'start': 2290.51, 'duration': 3.907}, {'end': 2299.184, 'text': "You do have some stuff you can add to it like height and thickness and so on but we're just going to keep the default.", 'start': 2294.497, 'duration': 4.687}, {'end': 2304.452, 'text': 'OK And then next thing we want to do is create our index.', 'start': 2300.188, 'duration': 4.264}], 'summary': 'Using an if statement, checks if the divider is odd, then returns a material design divider.', 'duration': 27.894, 'max_score': 2276.558, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2276558.jpg'}, {'end': 2352.351, 'src': 'embed', 'start': 2323.67, 'weight': 2, 'content': [{'end': 2328.594, 'text': 'And then I want to be able to generate new word pairs as we scroll down.', 'start': 2323.67, 'duration': 4.924}, {'end': 2331.636, 'text': "So we'll just generate 10 new word pairs.", 'start': 2328.614, 'duration': 3.022}, {'end': 2343.284, 'text': "So let's say, if the index is greater than or equal to the random word pairs length, just like in JavaScript,", 'start': 2332.216, 'duration': 11.068}, {'end': 2345.906, 'text': 'we have a length property for lists or for arrays.', 'start': 2343.284, 'duration': 2.622}, {'end': 2352.351, 'text': "Then we're going to take random word pairs and we're going to call a method called add all.", 'start': 2346.707, 'duration': 5.644}], 'summary': 'Generate 10 new word pairs and add to list', 'duration': 28.681, 'max_score': 2323.67, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2323670.jpg'}, {'end': 2600.933, 'src': 'embed', 'start': 2547.919, 'weight': 0, 'content': [{'end': 2549.3, 'text': "OK, we'll save that and there we go.", 'start': 2547.919, 'duration': 1.381}, {'end': 2552.602, 'text': 'So now we have a list view.', 'start': 2550.181, 'duration': 2.421}, {'end': 2560.227, 'text': 'And in each list tile widget, we have a text widget that has the word pair.', 'start': 2553.463, 'duration': 6.764}, {'end': 2561.688, 'text': 'OK, random word pair.', 'start': 2560.467, 'duration': 1.221}, {'end': 2564.23, 'text': 'And then for style, we have a text style widget.', 'start': 2562.089, 'duration': 2.141}, {'end': 2568.413, 'text': 'So you can see that a Flutter app is just a bunch of widgets.', 'start': 2564.27, 'duration': 4.143}, {'end': 2571.415, 'text': 'OK, the UI is just a whole bunch of widgets.', 'start': 2568.973, 'duration': 2.442}, {'end': 2576.058, 'text': "And if I scroll, it'll keep going and it'll keep generating new widgets.", 'start': 2571.575, 'duration': 4.483}, {'end': 2577.239, 'text': "And it's very performant.", 'start': 2576.118, 'duration': 1.121}, {'end': 2580.886, 'text': "OK, because right here we're just generating more.", 'start': 2578.661, 'duration': 2.225}, {'end': 2583.071, 'text': "So that's that's it.", 'start': 2581.968, 'duration': 1.103}, {'end': 2588.805, 'text': "Yeah, so that's how we can create a dynamic list view.", 'start': 2585.103, 'duration': 3.702}, {'end': 2591.287, 'text': 'Now I want to add some functionality here.', 'start': 2589.406, 'duration': 1.881}, {'end': 2600.933, 'text': 'I want to have an icon on each one on this side where we can favorite or like certain word pairs.', 'start': 2591.307, 'duration': 9.626}], 'summary': 'Creating a dynamic list view with flutter widgets, featuring performance and functionality for liking word pairs.', 'duration': 53.014, 'max_score': 2547.919, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2547919.jpg'}], 'start': 2163.845, 'title': 'Creating dynamic list view', 'summary': 'Discusses creating a dynamic list view in flutter, including generating new word pairs, utilizing listview.builder, and integrating functionality to favorite word pairs, with a focus on performance and usability.', 'chapters': [{'end': 2299.184, 'start': 2163.845, 'title': 'Creating list of word pairs', 'summary': 'Discusses creating a list of word pairs using the builder method to generate dynamic data and iterating through the list to output list items, with a focus on creating a material design divider for odd elements.', 'duration': 135.339, 'highlights': ['Iterating through the list to output list items and using item builder property to define the function - key for dynamic data generation.', 'Generating a list of word pairs using the builder method and English words package - emphasizing on the use of word pairs and representing combinations of two words.', "Utilizing a quick if statement to check for odd elements and returning a material design divider if the condition is met - highlighting the usage of 'is odd' property for conditional rendering."]}, {'end': 2734.268, 'start': 2300.188, 'title': 'Creating dynamic list view in flutter', 'summary': 'Discusses creating a dynamic list view in flutter, including generating new word pairs, utilizing listview.builder, and integrating functionality to favorite word pairs, with a focus on performance and usability.', 'duration': 434.08, 'highlights': ['Creating dynamic list view with listview.builder The chapter demonstrates using listview.builder to generate a dynamic list view in Flutter, improving performance and usability by efficiently creating and managing widgets as the user scrolls.', 'Generating new word pairs The transcript discusses the process of generating 10 new word pairs as the user scrolls, enhancing the user experience by providing fresh content and demonstrating efficient data management.', 'Integrating functionality to favorite word pairs The chapter explores implementing functionality to favorite word pairs, utilizing a separate page to display all favorites, enhancing user engagement and providing a seamless user experience.']}], 'duration': 570.423, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2163845.jpg', 'highlights': ['Creating dynamic list view with listview.builder The chapter demonstrates using listview.builder to generate a dynamic list view in Flutter, improving performance and usability by efficiently creating and managing widgets as the user scrolls.', 'Integrating functionality to favorite word pairs The chapter explores implementing functionality to favorite word pairs, utilizing a separate page to display all favorites, enhancing user engagement and providing a seamless user experience.', 'Generating new word pairs The transcript discusses the process of generating 10 new word pairs as the user scrolls, enhancing the user experience by providing fresh content and demonstrating efficient data management.', "Utilizing a quick if statement to check for odd elements and returning a material design divider if the condition is met - highlighting the usage of 'is odd' property for conditional rendering.", 'Generating a list of word pairs using the builder method and English words package - emphasizing on the use of word pairs and representing combinations of two words.', 'Iterating through the list to output list items and using item builder property to define the function - key for dynamic data generation.']}, {'end': 3558.395, 'segs': [{'end': 2861.838, 'src': 'embed', 'start': 2826.308, 'weight': 4, 'content': [{'end': 2828.749, 'text': 'So if I save that, we just get a bunch of heart icons.', 'start': 2826.308, 'duration': 2.441}, {'end': 2838.095, 'text': "Now, the icon needs to be conditional, right? It needs to be red if it's saved and then basically blank if it's not.", 'start': 2829.23, 'duration': 8.865}, {'end': 2845.7, 'text': "So, instead of just putting a hard-coded icon, I'm going to take that already saved value, which will be either true or false,", 'start': 2838.235, 'duration': 7.465}, {'end': 2852.164, 'text': 'and use a ternary and say if so, then we want icons.favorite.', 'start': 2845.7, 'duration': 6.464}, {'end': 2861.838, 'text': "else, then we want icons dot and we're going to use favorites border, which is basically like a, like an empty heart.", 'start': 2853.192, 'duration': 8.646}], 'summary': 'Conditional display of heart icons based on saved status.', 'duration': 35.53, 'max_score': 2826.308, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2826308.jpg'}, {'end': 2953.522, 'src': 'embed', 'start': 2929.083, 'weight': 0, 'content': [{'end': 2939.636, 'text': "we're gonna use set state and set state takes in a function and And we want to check to see if this item is already saved.", 'start': 2929.083, 'duration': 10.553}, {'end': 2947.98, 'text': "OK so if it's already saved then we're going to take our saved word pairs which is where it's stored and we're going to remove.", 'start': 2939.656, 'duration': 8.324}, {'end': 2953.522, 'text': "OK, if we click it because we're going to be able to toggle our saved items.", 'start': 2948, 'duration': 5.522}], 'summary': 'Using setstate to toggle saved word pairs.', 'duration': 24.439, 'max_score': 2929.083, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2929083.jpg'}, {'end': 3042.69, 'src': 'embed', 'start': 3005.655, 'weight': 1, 'content': [{'end': 3008.456, 'text': 'So we want a separate page that lists our favorites.', 'start': 3005.655, 'duration': 2.801}, {'end': 3011.297, 'text': 'All right.', 'start': 3010.997, 'duration': 0.3}, {'end': 3012.217, 'text': "So let's do that.", 'start': 3011.417, 'duration': 0.8}, {'end': 3016.378, 'text': "We're going to create a little button up here to be able to do that.", 'start': 3012.297, 'duration': 4.081}, {'end': 3020.499, 'text': 'So down where we have the app bar in the build method here.', 'start': 3016.778, 'duration': 3.721}, {'end': 3025.64, 'text': "In addition to title, let's put a comma here because we're going to add on to this.", 'start': 3021.437, 'duration': 4.203}, {'end': 3029.782, 'text': "Actually, let's put just so this is more readable.", 'start': 3026.84, 'duration': 2.942}, {'end': 3042.69, 'text': "Put this here and then right under the title, let's have actions and actions.", 'start': 3031.803, 'duration': 10.887}], 'summary': 'Creating a separate page to list favorites with a button in the app bar.', 'duration': 37.035, 'max_score': 3005.655, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA3005655.jpg'}, {'end': 3237.426, 'src': 'embed', 'start': 3209.094, 'weight': 2, 'content': [{'end': 3212.937, 'text': "That's what I just did that creates whatever you want to appear on the screen.", 'start': 3209.094, 'duration': 3.843}, {'end': 3219.162, 'text': 'And then here they just have a simple example where they have a center widget with a text widget and so on.', 'start': 3212.997, 'duration': 6.165}, {'end': 3225.868, 'text': "But what we're going to do is create a list of our saved word pairs.", 'start': 3220.103, 'duration': 5.765}, {'end': 3227.269, 'text': 'All right.', 'start': 3225.888, 'duration': 1.381}, {'end': 3228.891, 'text': "So here we're going to create a variable.", 'start': 3227.309, 'duration': 1.582}, {'end': 3229.831, 'text': "It's a final.", 'start': 3228.951, 'duration': 0.88}, {'end': 3235.163, 'text': "tiles So we're creating a list tile.", 'start': 3230.856, 'duration': 4.307}, {'end': 3237.426, 'text': "Actually, we're creating an iterable.", 'start': 3235.263, 'duration': 2.163}], 'summary': 'Creating a list of saved word pairs using iterable', 'duration': 28.332, 'max_score': 3209.094, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA3209094.jpg'}, {'end': 3529.981, 'src': 'embed', 'start': 3503.804, 'weight': 3, 'content': [{'end': 3511.769, 'text': 'so hopefully you at least learned the fundamentals and learned how to create stateless and stateful widgets and learned about you know,', 'start': 3503.804, 'duration': 7.965}, {'end': 3520.074, 'text': 'scaffold and app bars and all that stuff and how to add some logic, list, views, list, tiles and and so on.', 'start': 3511.769, 'duration': 8.305}, {'end': 3529.981, 'text': "so as far as publishing to a device, like creating an app for the app store, you can look at, let's see flutter ios build.", 'start': 3520.074, 'duration': 9.907}], 'summary': 'Learned flutter fundamentals, stateless/stateful widgets, app bars, logic, list views, list tiles, etc. explored publishing for app store.', 'duration': 26.177, 'max_score': 3503.804, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA3503804.jpg'}], 'start': 2734.268, 'title': 'Implementing icons and list view in flutter', 'summary': 'Covers implementing conditional icons based on saved status, toggling items in saved word pairs, adding a button to navigate to a separate page, creating a list view using the map method to iterate through saved word pairs, displaying them as list tiles with styles, and adding logic, stateless and stateful widgets, scaffold, app bars, and list views, aiming to teach the fundamentals of flutter development and hinting at the steps for publishing to app stores.', 'chapters': [{'end': 3209.074, 'start': 2734.268, 'title': 'Implementing conditional icons and navigation', 'summary': 'Discusses implementing conditional icons based on saved status, toggling items in saved word pairs, and adding a button to navigate to a separate page for saved items.', 'duration': 474.806, 'highlights': ['Implementing conditional icons based on saved status The chapter explains how to use a ternary operator to conditionally display icons based on whether an item is already saved or not.', 'Toggling items in saved word pairs The chapter details the process of using set state to toggle saved items in the saved word pairs list, either removing or adding a pair based on its current status.', 'Adding a button to navigate to a separate page for saved items The chapter demonstrates the addition of an icon button to the app bar, with functionality to navigate to a separate page for displaying saved items.']}, {'end': 3558.395, 'start': 3209.094, 'title': 'Creating list view in flutter', 'summary': 'Explains how to create a list view in flutter, using the map method to iterate through saved word pairs and display them as list tiles with styles, and how to add logic, stateless and stateful widgets, scaffold, app bars, and list views, aiming to teach the fundamentals of flutter development while hinting at the steps for publishing to app stores.', 'duration': 349.301, 'highlights': ['The chapter explains how to create a list view in Flutter, using the map method to iterate through saved word pairs and display them as list tiles with styles, and how to add logic, stateless and stateful widgets, scaffold, app bars, and list views, aiming to teach the fundamentals of Flutter development while hinting at the steps for publishing to app stores.', 'The tutorial demonstrates creating a list of saved word pairs by using the map method to iterate through the pairs and display them as list tiles with specified styles, such as font size, to resemble the home page, providing a visual representation of state management in the application.', 'The explanation includes the process of creating stateless and stateful widgets, scaffold, app bars, and list views, emphasizing the learning of fundamental concepts in Flutter development and the application of logic to UI components and widgets.']}], 'duration': 824.127, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/1gDhl4leEzA/pics/1gDhl4leEzA2734268.jpg', 'highlights': ['The chapter details the process of using set state to toggle saved items in the saved word pairs list, either removing or adding a pair based on its current status.', 'The chapter demonstrates the addition of an icon button to the app bar, with functionality to navigate to a separate page for displaying saved items.', 'The tutorial demonstrates creating a list of saved word pairs by using the map method to iterate through the pairs and display them as list tiles with specified styles, such as font size, to resemble the home page, providing a visual representation of state management in the application.', 'The explanation includes the process of creating stateless and stateful widgets, scaffold, app bars, and list views, emphasizing the learning of fundamental concepts in Flutter development and the application of logic to UI components and widgets.', 'The chapter explains how to use a ternary operator to conditionally display icons based on whether an item is already saved or not.', 'The chapter explains how to create a list view in Flutter, using the map method to iterate through saved word pairs and display them as list tiles with styles, and how to add logic, stateless and stateful widgets, scaffold, app bars, and list views, aiming to teach the fundamentals of Flutter development while hinting at the steps for publishing to app stores.']}], 'highlights': ['Flutter allows building performant iOS and Android apps using a single code base.', 'Flutter uses Dart programming language, optimized for building UIs and resembling JavaScript.', 'Linode offers $20 in free hosting credit for those interested in building on their platform.', 'Flutter widgets are designed to resemble stock OEM widgets and support material design, ensuring accurate pixel-to-pixel representation.', 'The documentation provides a comprehensive catalog of widgets, including those for animation, motion input, and accessibility.', 'Stateful widgets have mutable state, allowing for multiple redraws on the screen, and involve overriding the create state method and building the UI separately.', 'The chapter discusses the specific requirements for setting up a development environment for building iOS and Android apps on Mac and Windows.', 'The transcript details the essential installations required for setting up the development environment, including Xcode, Android Studio, Flutter plugin, and VS Code extensions.', 'The transcript emphasizes the importance of configuring the iOS simulator and Android virtual device manager for testing the developed applications.', 'The chapter explains the process of setting up Dart and Flutter, enabling a seamless workflow with auto-reload feature.', 'The lib folder contains all the code for the app, including the main.dart file running the app.', 'The chapter covers building a basic UI with Flutter, demonstrating the use of widgets like material app, text widget, text style widget, and scaffold.', 'The menu option for starting debugging and choosing the environment is highlighted.', 'The main.dart file consists of comments, import of material design, and the main function using an arrow for execution.', 'Adding app bar and setting theme The process of adding an app bar and setting a theme for the UI is explained, including using the app bar widget, wrapping title with a text widget, and using theme data to set the primary color.', 'The creation of a text widget with custom style properties such as font size and color is showcased.', 'Importing and using packages The chapter demonstrates importing and using a package called English words to utilize core functionality for generating word pairs, including adding the package to dependencies in the pubspec.yaml file and importing the package in the code.', "The process of creating a core widget 'my app' and extending the stateless widget class is explained.", 'Creating a constant variable The creation of a constant variable using the final keyword is explained, highlighting its similarity to const in JavaScript and its use for static values.', 'The chapter demonstrates replacing a static string with the variable of word pair and using methods like Pascal case for displaying the word pair.', "The word pair object from the English words package is used to generate random word pairs, demonstrated by examples like 'bunch bed' and 'trunk rod'.", "The method 'random' is utilized to create a single word pair randomly.", 'The builder method is used to dynamically generate the list view content based on an iterator, providing a dynamic user interface.', 'A custom widget called random words is created to handle the state and UI stuff.', 'The widget includes a scaffold with an app bar and a body that utilizes a list view to display a dynamic list of random word pairs.', 'Creating dynamic list view with listview.builder The chapter demonstrates using listview.builder to generate a dynamic list view in Flutter, improving performance and usability by efficiently creating and managing widgets as the user scrolls.', 'Integrating functionality to favorite word pairs The chapter explores implementing functionality to favorite word pairs, utilizing a separate page to display all favorites, enhancing user engagement and providing a seamless user experience.', 'Generating new word pairs The transcript discusses the process of generating 10 new word pairs as the user scrolls, enhancing the user experience by providing fresh content and demonstrating efficient data management.', "Utilizing a quick if statement to check for odd elements and returning a material design divider if the condition is met - highlighting the usage of 'is odd' property for conditional rendering.", 'Generating a list of word pairs using the builder method and English words package - emphasizing on the use of word pairs and representing combinations of two words.', 'Iterating through the list to output list items and using item builder property to define the function - key for dynamic data generation.', 'The chapter details the process of using set state to toggle saved items in the saved word pairs list, either removing or adding a pair based on its current status.', 'The chapter demonstrates the addition of an icon button to the app bar, with functionality to navigate to a separate page for displaying saved items.', 'The tutorial demonstrates creating a list of saved word pairs by using the map method to iterate through the pairs and display them as list tiles with specified styles, such as font size, to resemble the home page, providing a visual representation of state management in the application.', 'The explanation includes the process of creating stateless and stateful widgets, scaffold, app bars, and list views, emphasizing the learning of fundamental concepts in Flutter development and the application of logic to UI components and widgets.', 'The chapter explains how to use a ternary operator to conditionally display icons based on whether an item is already saved or not.', 'The chapter explains how to create a list view in Flutter, using the map method to iterate through saved word pairs and display them as list tiles with styles, and how to add logic, stateless and stateful widgets, scaffold, app bars, and list views, aiming to teach the fundamentals of Flutter development while hinting at the steps for publishing to app stores.']}