book

.NET MAUI for C# Developers

Name: .NET MAUI for C# Developers
ISBN: 9781837631698

by Jesse Liberty, Rodrigo Juarez

March 2023

Intermediate to advanced

296 pages

5h 43m

English

Packt Publishing

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.NET MAUI for C# Developers
ForewordContributorsAbout the authorsAbout the reviewers
Preface
Who this book is forWhat this book coversTo get the most out of this bookDownload the example code filesDownload the color imagesConventions usedGet in touchShare Your ThoughtsDownload a free PDF copy of this book
Part 1 – Getting Started
Chapter 1: Assembling Your Tools and Creating Your First App
Technical requirementsGetting and installing Visual StudioInstalling Visual StudioGitOpening Visual StudioQuick tour of the appSummaryQuizYou try it
Chapter 2: What We Will Build: Forget Me Not
Technical requirementsWhat is Forget Me Not?BuddiesInviting BuddiesOther pagesWhat you’ll learnSummary
Chapter 3: XAML and Fluent C#
Technical requirementsUnderstanding the structure of XAMLThe code-behind fileExploring the layout optionsVerticalStackLayoutImageLabelCode-behind and event handlersIf you can do it in XAML, you can do it in C#C# versus Fluent C#SummaryQuizTry it out
Chapter 4: MVVM and Controls
Technical requirementsSetting up for MVVMCreating foldersThe MVVM Community ToolkitExploring viewsForget Me Not labelsData bindingCreating a public propertySetting up BindingContextAssigning values to the View Model class propertiesImplementing BindingViewModel versus code-behindViewsImagesButton propertiesImageButtonTapGestureRecognizerEntering textBehaviorsPopups and dialogsPresenting the user with a choiceActionSheetDisplaying a promptToastSnackbarBoxViewFrameBrushesThe Solid brushLinearGradientBrushRadialGradientBrushSummaryQuizYou try it
Chapter 5: Advanced Controls
Technical requirementsKeeping the user informed of activityActivityIndicatorProgressBarMoving event handling to ViewModelBreaking it downSending and receiving messagesGetting started with WeakReferenceMessengerCreating the page in C#Displaying collectionsOverriding OnAppearingUnderstanding how the service worksDisplaying the collection of Preference objectsThe code-behindStylesExplicit versus implicit stylesStyle inheritance or BasedOnSummaryQuizYou try it
Chapter 6: Layout
Technical requirementsStack layoutsGridSizing rows and columnsNamed rows and columnsScrollViewFlexLayoutSummaryQuizYou try it
Part 2 – Intermediate Topics

Chapter 7: Understanding Navigation
Technical requirementsExploring the TabBarCreating the About and Buddies pagesAssembling the About pageShell navigationRoutingPassing values from page to pagePassing values with the url (?) syntaxPassing values with a dictionarySummaryQuizYou try it
Chapter 8: Storing and Retrieving Data
Technical requirementsStoring user preferencesUserPreferencesViewModelNavigating to UserPreferencesRetrieving the preferencesStoring to a database on your deviceInstalling SQLiteGetting started with SQLiteThe Database classCRUDLocal or remote?SummaryQuizYou try it
Chapter 9: Unit Testing
Technical requirementsWhy create unit tests?Vote early and vote oftenCreating unit testsSetting the project referenceCreating the first unit testTweaking the project fileRunning the testForgetMeNotDemo unit testsImplementing the triple-A patternWhat’s wrong with this test?MocksDependency injectionCreating an interfaceModifying the class constructorThe .NET MAUI IoC containerRegistering your interfaces, services, and ViewModelsUsing the NSubstitute packageAdding NSubstitute to your test fixtureTesting corner casesSummaryQuizYou try it
Part 3 – Advanced Topics
Chapter 10: Consuming REST Services
Technical requirementsUsing REST ServicesThe Forget Me Not API architectureCreating the projectsFleshing out the modelsExamining the API domain objectsReviewing DTOsOther DTO filesUnderstanding ForgetMeNot.APIClientAuthenticationProfileThe Buddy regionUsing the APICreating the accountModifying the Login pageUpdating LoginPageThe AccountService classUpdating LoginViewModelUsing AccountService to log inSetting up the Create Account pageSetting up CreateAccountViewModelHandling the SignUp commandWhat to do if it won’t buildSummaryQuizYou try it
Chapter 11: Exploring Advanced Topics
Technical requirementsSelecting data templates at runtimeDeclaring ItemTemplates as resourcesThe DataTemplate selectionThe DataTemplateSelector classAdding the template selector to the page’s resourcesAdding DataTemplateSelector to CollectionViewManaging Visual StateDefining the common visual statesA button VisualState exampleUtilizing Community Toolkit behaviorsTaking action with triggersSummaryQuizYou try it
Assessments
Chapter 1, Assembling Your Tools and Creating Your  First AppChapter 3, XAML and Fluent C#Chapter 4, MVVM and ControlsChapter 5, Advanced ControlsChapter 6, LayoutChapter 7, Understanding NavigationChapter 8, Storing and Retrieving DataChapter 9, Unit TestingChapter 10, Consuming REST ServicesChapter 11, Exploring Advanced Topics
Index
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Content preview from .NET MAUI for C# Developers

Part 1 – Getting Started

In this part, we will get you set up with the required software and examine the project we’re going to build. We’ll then go on to examine XAML – the markup language for .NET MAUI. Next, we’ll take a deep look at MVVM, the architecture for it and most .NET MAUI apps, and we’ll undertake an extensive review of the controls and structures used to build the user interface.

This part has the following chapters:

Chapter 1, Assembling Your Tools and Creating Your First App
Chapter 2, What We Will Build – Forget Me Not
Chapter 3, XAML and Fluent C#
Chapter 4, MVVM and Controls
Chapter 5, Advanced Controls
Chapter 6, Layout

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ISBN: 9781837631698

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.NET MAUI for C# Developers

by Jesse Liberty, Rodrigo Juarez

Part 1 – Getting Started

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.