Book Image

Xamarin.Forms Projects

By : Johan Karlsson, Daniel Hindrikes
Book Image

Xamarin.Forms Projects

By: Johan Karlsson, Daniel Hindrikes

Overview of this book

Xamarin.Forms is a lightweight cross-platform development toolkit for building applications with a rich user interface. In this book you'll start by building projects that explain the Xamarin.Forms ecosystem to get up and running with building cross-platform applications. We'll increase in difficulty throughout the projects, making you learn the nitty-gritty of Xamarin.Forms offerings. You'll gain insights into the architecture, how to arrange your app's design, where to begin developing, what pitfalls exist, and how to avoid them. The book contains seven real-world projects, to get you hands-on with building rich UIs and providing a truly cross-platform experience. It will also guide you on how to set up a machine for Xamarin app development. You'll build a simple to-do application that gets you going, then dive deep into building advanced apps such as messaging platform, games, and machine learning, to build a UI for an augmented reality project. By the end of the book, you'll be confident in building cross-platforms and fitting Xamarin.Forms toolkits in your app development. You'll be able to take the practice you get from this book to build applications that comply with your requirements.

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Table of Contents (11 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Introduction to Xamarin
Introduction to Xamarin
Native applications
Xamarin and Mono
Xamarin.iOS
Xamarin.Android
Xamarin.Mac
Xamarin.Forms
Setting up a development machine
Summary
2
Building Our First Xamarin.Forms App
Building Our First Xamarin.Forms App
Technical requirements
An overview of the project
Beginning the project
Summary
3
A Matchmaking App with a Rich UX Using Animations
A Matchmaking App with a Rich UX Using Animations
Technical requirements
Project overview
Creating the matchmaking app
Summary
4
Building a Location Tracking App Using GPS and Maps
Building a Location Tracking App Using GPS and Maps
Technical requirements
Project overview
Getting started
Building the MeTracker app
Summary
5
Building a Weather App for Multiple Form Factors
Building a Weather App for Multiple Form Factors
Technical requirements
Project overview
Getting started
Building the weather app
Summary
6
Setting up a Backend for a Chat App Using Azure Services
Setting up a Backend for a Chat App Using Azure Services
Technical requirements
Azure serverless services
Project overview
Building the serverless backend
Summary
7
Building a Real-Time Chat Application
Building a Real-Time Chat Application
Technical requirements
Project overview
Getting started
Building the chat app
Summary
8
Creating an Augmented-Reality Game
Creating an Augmented-Reality Game
Technical requirements
Essential theory
An overview of the project
Beginning the project
Summary
9
Hot Dog or Not Hot Dog Using Machine Learning
Hot Dog or Not Hot Dog Using Machine Learning
Technical requirements
Machine learning
Project overview
Getting started
Building the Hot Dog or Not Hot Dog application using machine learning
Summary
10
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Building the weather app

It's time to start building the app. Create a new blank Xamarin.Forms app using .NET Standard as the Code Sharing Strategy, and select iOS, Android, and Windows (UWP) as the platforms. We will name the project Weather.

As the data source for this app, we will use an external weather API. This project will use OpenWeatherMap, a service that offers a couple of free APIs. You can find this service at https://openweathermap.org/api. We will use the service called 5 day / 3 hour forecast in this project, which provides a five-day forecast in three-hour intervals. To use the OpenWeather API, we have to create an account to get an API key. If you don't want to create an API key, we can mock the data instead.

Creating models for the weather data

...
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