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  • Book Overview & Buying Kivy Blueprints
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Kivy Blueprints

Kivy Blueprints

By : Vasilkov
3.7 (10)
Buy this Book
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Kivy Blueprints

Kivy Blueprints

3.7 (10)
By: Vasilkov
Buy this Book

Overview of this book

This book is intended for programmers who are comfortable with the Python language and who want to build desktop and mobile applications with rich GUI in Python with minimal hassle. Knowledge of Kivy is not strictly required—every aspect of the framework is described when it's first used.
Table of Contents (12 chapters)
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Preface
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Preface
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Write once, run anywhere
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What this book covers
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Setting up the working environment
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Hello, Kivy
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Building a Clock App
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1. Building a Clock App
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The starting point
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Modern UI
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Making the clock tick
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Layout basics
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Styling buttons
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Counting time
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Stopwatch controls
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Summary
2
2. Building a Paint App
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2. Building a Paint App
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Setting the stage
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Fine-tuning the looks
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Drawing touches
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Clearing the screen
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Connecting the dots
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The color palette
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Setting the line thickness
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Summary
3
3. Sound Recorder for Android
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3. Sound Recorder for Android
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Writing platform-dependent code
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Metro UI
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Testing on Android
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Using the native API
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Summary
4
4. Kivy Networking
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4. Kivy Networking
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Writing the chat server
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Screen manager
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Bringing the app online
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Enhancements and eye candy
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Summary
5
5. Making a Remote Desktop App
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5. Making a Remote Desktop App
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The server
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JavaScript client
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Kivy Remote Desktop app
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Summary
6
6. Making the 2048 Game
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6. Making the 2048 Game
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About the game
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Creating the 2048 board
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Making tiles
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Implementing the game logic
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Where to go from here
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Summary
7
7. Writing a Flappy Bird Clone
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7. Writing a Flappy Bird Clone
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Project overview
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Creating an animated background
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Making pipes
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Introducing Kivy Bird
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Collision detection
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Producing sound effects
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Summary
8
8. Introducing Shaders
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8. Introducing Shaders
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Unscientific introduction to OpenGL
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Using custom shaders in Kivy
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Making the Starfield app
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Summary
9
9. Making a Shoot-Em-Up Game
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9. Making a Shoot-Em-Up Game
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Limitations of the project
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Texture atlases at a glance
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Designing a reusable particle system
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Writing the game
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Finishing touches
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Summary
10
A. The Python Ecosystem
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A. The Python Ecosystem
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Index
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Index

Using the native API

Having done the user interface part of the app, we will now turn to a native API and implement the sound recording and playback logic using the suitable Android Java classes, MediaRecorder and MediaPlayer.

Technically, both Python and Java are object-oriented, and it may even appear at first glance that these languages are rather similar. The utilization of OOP principles, however, differs radically. In comparison to Python, many Java APIs suffer from (or enjoy immensely, depending on who you ask) over-architecting and general overuse of the object-oriented paradigm. So don't be surprised that otherwise very simple tasks may require you to import and instantiate quite a lot of classes.

Note

In 1913, Vladimir Lenin wrote regarding the Java architecture:

And there is only one way of smashing the resistance of those classes, and that is to find, in the very society which surrounds us, the forces which can constitute the power capable of sweeping away the old and creating...

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Tech Concepts
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Programming languages
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