Book Image

Kivy Blueprints

Book Image

Kivy Blueprints

Overview of this book

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Current Title:

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Kivy Blueprints
Jan, 2015 | 282 pages
Small book image
Kivy Cookbook
Hugo Solis
Aug, 2015 | 246 pages
Table of Contents (17 chapters)
Kivy Blueprints
Kivy Blueprints
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Building a Clock App
Building a Clock App
The starting point
Modern UI
Making the clock tick
Layout basics
Styling buttons
Counting time
Stopwatch controls
Summary
2
Building a Paint App
Building a Paint App
Setting the stage
Fine-tuning the looks
Drawing touches
Clearing the screen
Connecting the dots
The color palette
Setting the line thickness
Summary
3
Sound Recorder for Android
Sound Recorder for Android
Writing platform-dependent code
Metro UI
Testing on Android
Using the native API
Summary
4
Kivy Networking
Kivy Networking
Writing the chat server
Screen manager
Bringing the app online
Enhancements and eye candy
Summary
5
Making a Remote Desktop App
Making a Remote Desktop App
The server
JavaScript client
Kivy Remote Desktop app
Summary
6
Making the 2048 Game
Making the 2048 Game
About the game
Creating the 2048 board
Making tiles
Implementing the game logic
Where to go from here
Summary
7
Writing a Flappy Bird Clone
Writing a Flappy Bird Clone
Project overview
Creating an animated background
Making pipes
Introducing Kivy Bird
Collision detection
Producing sound effects
Summary
8
Introducing Shaders
Introducing Shaders
Unscientific introduction to OpenGL
Using custom shaders in Kivy
Making the Starfield app
Summary
9
Making a Shoot-Em-Up Game
Making a Shoot-Em-Up Game
Limitations of the project
Texture atlases at a glance
Designing a reusable particle system
Writing the game
Finishing touches
Summary
The Python Ecosystem
The Python Ecosystem
Index
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 the...

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