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  • Book Overview & Buying Windows Application Development Cookbook
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Windows Application Development Cookbook

Windows Application Development Cookbook

By : Marcin Jamro
Buy this Book
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Windows Application Development Cookbook

Windows Application Development Cookbook

By: Marcin Jamro
Buy this Book

Overview of this book

Need to ensure you can always create the best Windows apps regardless of platform? What you need are solutions to the biggest issues you can face, so you can always ensure you’re making the right choices and creating the best apps you can. The book starts with recipes that will help you set up the integrated development environment before you go ahead and design the user interface. You will learn how to use the MVVM design pattern together with data binding, as well as how to work with data in different file formats. Moving on, you will explore techniques to add animations and graphics to your application, and enable your solution to work with multimedia content. You will also see how to use sensors, such as an accelerometer and a compass, as well as obtain the current GPS location. You will make your application ready to work with Internet-based scenarios, such as composing e-mails or downloading files, before finally testing the project and submitting it to the Windows Store. By the end of the book, you will have a market-ready application compatible across different Windows devices, including smartphones, tablets, and desktops.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Sections
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Getting Started
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1. Getting Started
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Introduction
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Setting up the IDE
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Arranging windows
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Creating a new project
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Running the application
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Adding a new page
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Placing a control
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Handling events
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Navigating between pages
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Passing data between pages
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Handling the back button
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Changing a default page
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Modifying the back stack
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Utilizing additional features of the emulator
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Breakpoints-based debugging
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Step-by-step debugging
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Executing code while debugging
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Logging information while debugging
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Monitoring the CPU and memory usage
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2. Designing a User Interface
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2. Designing a User Interface
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Introduction
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Adding a button
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Adding a text block
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Adding a textbox
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Adding a password box
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Adding a checkbox
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Adding a combobox
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Adding a listbox
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Adding an image
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Adding controls programmatically
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Arranging controls vertically
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Arranging controls horizontally
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Arranging controls in a scrollable view
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Defining a page-limited style
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Defining a global style
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Applying styles programmatically
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Arranging controls in a grid
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Arranging controls in absolute positions
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Choosing date and time
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Adding icons to app bars
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Creating and using a user control
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Presenting a message dialog
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Adjusting design based on the device type
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Localizing content in XAML
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Localizing content programmatically
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Forcing the current language
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3. MVVM and Data Binding
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3. MVVM and Data Binding
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Introduction
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Creating the view model for a page
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Introducing bindings and commands
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Binding a value to a textbox
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Binding with a value converter
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Using value converters with parameters
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Showing a progress bar during calculations
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Binding a collection to a list view
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Binding a collection to a grid view
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Binding a collection to a combobox
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Binding a collection to a hub
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4. Data Storage
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4. Data Storage
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Introduction
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Creating a directory
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Reading a structure of directories
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Creating a file
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Iterating through files
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Renaming a directory
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Renaming a file
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Removing a directory
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Removing a file
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Writing a text file
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Reading a text file
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Writing an XML file
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Reading an XML file
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Writing a JSON file
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Reading a JSON file
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Writing a binary file
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Reading a binary file
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Creating a SQLite database and tables
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Storing data in a SQLite database
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Selecting data from a SQLite database
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Updating data in a SQLite database
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Removing data from a SQLite database
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5. Animations and Graphics
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5. Animations and Graphics
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Introduction
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Animating the showing of controls
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Using animation to hide controls
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Adding animation to show the collection of items
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Animating the repositioning of items' collection
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Animating the color of an element
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Animating the size of an element
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Animating the position of an element
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Animating the rotation of an element
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Animating the font size of an element
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Drawing shapes programmatically
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Handling the tap touch event
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Handling the pinch touch event
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Handling the rotate touch event
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Handling the pinch and rotate touch events
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Rendering 3D graphics
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6. Multimedia
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6. Multimedia
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Introduction
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Playing a movie clip
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Playing an audio file
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Presenting a collection of photos
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Preparing a photo album with captions
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Modifying an image
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Converting an image into grayscale
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Recoloring an image
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Choosing a file to open
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Choosing a file to save
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Taking an image from a camera
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Recording a movie from a camera
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Scanning a QR code
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Synthesizing speech
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Recognizing speech
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7. Built-in Sensors
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7. Built-in Sensors
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Introduction
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Detecting motion using an accelerometer
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Reading data from a compass
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Obtaining the orientation of a device
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Reading data from a light sensor
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Launching vibrations
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Reading NFC tags
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Obtaining the current GPS location
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Disabling switching off the screen
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8. Internet-based Scenarios
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8. Internet-based Scenarios
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Introduction
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Opening a website in a default browser
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Presenting a website within a page
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Composing an e-mail message
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Starting a phone call
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Launching a Skype call
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Opening a map in an external application
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Showing a map within a page
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Drawing icons, polylines, and polygons on a map
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Adding a custom marker to a map
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Getting the coordinates of a clicked point on a map
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Launching GPS-based navigation
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Calling API methods
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Downloading a file from the Internet
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9. Testing and Submission
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9. Testing and Submission
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Introduction
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Creating a unit test
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Running a set of tests
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Adding a project to the Windows Dev Center
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Associating an application with the store
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Adjusting the manifest file
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Obtaining a map token
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Receiving push notifications
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Preparing files for submission
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Submitting the application
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Updating the application
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Generating promotional codes
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Browsing reviews and ratings
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Analyzing acquisitions
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A. Useful Resources
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A. Useful Resources
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Getting started
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Designing a User Interface
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MVVM and data binding
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Data storage
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Animations and graphics
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Multimedia
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Built-in sensors
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Internet-based scenarios
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Testing and submission

Navigating between pages

It is quite difficult to imagine an application with only one page. Thus, it is crucial to know how to navigate from one page to another. In this recipe, you will learn how to navigate to another page after pressing the button as well as how to go back to the previous page after pressing the button on the other page.

Getting ready

To complete this recipe, you need the project with two pages, represented by the MainPage and AboutPage classes. Let's imagine that the first page operates as a main menu of the application with a set of buttons. After clicking on each of them, a user should be navigated to a particular page, such as with information about the company, with a list of products, or with contact data.

As an example, the Button control should be added to both the pages, namely MainPage and AboutPage. However, they should present different content, such as About us (in MainPage) and Go back (in AboutPage), as graphically explained as follows:

Getting ready

How to do it...

To prepare an example that shows how to navigate between pages, you need to perform the following steps:

  1. To navigate from MainPage to AboutPage, modify the code of the button_Click method in the MainPage.xaml.cs file, as follows:
            private void button_Click(object sender, RoutedEventArgs e) 
        { 
            Frame.Navigate(typeof(AboutPage)); 
        }

  2. To go back to the previous page from AboutPage, modify the code of the button_Click method in the AboutPage.xaml.cs file, as follows:
            private void button_Click(object sender, RoutedEventArgs e) 
        { 
            if (Frame.CanGoBack) 
            { 
                Frame.GoBack(); 
            } 
        }

How it works...

Navigation to another page is possible using the Frame property of the Frame type. It provides developers with a few methods, including Navigate and GoBack.

The first method (Navigate) is used to navigate the user to another page with or without additional parameters (take a look at the next recipe), while the other (GoBack) allows the user to go back to the previous page. In such a case, it is recommended that you check whether you can go back to the previous page by verifying whether the CanGoBack property has a value equal to true.

See also

  • The Passing data between pages recipe
  • The Handling the back button recipe
  • The Changing a default page recipe
  • The Modifying the back stack recipe
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Windows Application Development Cookbook
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