3. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
Cross platform development tools
One codebase; target
multiple platforms
Many existing tools on the
market
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“Cross platform tools
do not work. Writing
native code is the only
way.”
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Commonly encountered issues
Large installer size
Excessive memory use
Low performance
Limited API access
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ANOTHER COMMON SENTIMENT
8. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
Source code
targeting a
specific
platform
Tool
Source / byte
code and
interpreter or
VM for iOS
Source / byte
code and
interpreter or
VM for Android
Runtime /
Virtual
machine
(Java, JavaScript,
Lua, Ruby, C#, ..)
A common cross platform tool
BROWSER
“virtual machine”
9. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
Operating system
Language interpreter / runtime
APIs and libraries Application code
A common cross platform tool
Architecture
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A common cross platform tool
Architecture
Operating system
Language interpreter / runtime
APIs and libraries Application code Makes application
installers bigger
Increases memory
usage
Reduces runtime
performance
Applications can only
access selected
parts of the native API
= INCREASED BATTERY USAGE
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(Source: http://docs.xamarin.com/Android/Guides/Advanced_Topics/Architecture)
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Another popular architecture
Source
Code in
HTML, CSS,
JavaScript
Tool
C code
That opens a
Browser and
Displays the
program
Java code
That opens a
Browser and
Displays the
program
Android
SDK
iOS
SDK
“embed a web browser”
BROWSER
15. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
Commonly encountered issues
Large installer size
Excessive memory use
Low performance
Limited API access
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The C/C++ approach
C++
application
code
Tool
C++ class
library
SWIFT
BROWSER
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C++ / bytecode combination
C++ code
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Programming language conversion
(Source code)
Small Installers Optimal memory use
No API access limitationsNative performance
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Comparison: A “hello world” application
First approach (virtual machine / interpreter)
Appcelerator: 8MB installer
Xamarin / Mono (Unity): 4MB installer
The “embed a web browser” approach:
Phonegap / Cordova: ~300KB installer
The “source code conversion” approach:
96KB installer
25. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
Programming Language
Translator
26. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
2D / 3D GAMES
MOBILE APPLICATIONS
BUSINESS SYSTEMS
WEBSITES / WEB APPLICATIONS
BACKEND SERVERS
DESKTOP TOOLS / UTILITIES
AUTOMATED QUALITY ASSURANCE
27. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
class Main : LayerWidget
{
public void initialize() {
base.initialize();
add(LabelWidget.instance().set_text(“Hello World”));
}
}
Eqela
Compiler
LayerWidget
LabelWidget
Main.java
LayerWidget.java
LabelWidget.java
Android
SDK
A sample Eqela application
Main.eq
28. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
class Main : LayerWidget
{
public void initialize() {
base.initialize();
add(LabelWidget.instance().set_text(“Hello World”));
}
}
package mk.test;
public class Main extends eq.gui.LayerWidget
{
@Override
public void initialize() {
super.initialize();
((eq.gui.ContainerWidget)this).add(((eq.gui.Widget)eq.widget.LabelWidge
t.eq_widget_LabelWidget_instance().set_text(eq.api.StringStatic.eq_api_
StringStatic_for_strptr("Hello world"))));
}
public Main() {
}
}
(EQELA)
(JAVA)
29. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
class AndroidHTTPGet
{
public static bool execute(String url) {
embed “java” {{{
org.apache.http.client.methods.HttpUriRequest hur =
new org.apache.http.client.methods.HttpGet(url.to_strptr());
android.net.http.AndroidHttpClient hc =
android.net.http.AndroidHttpClient.newInstance(“testing”);
org.apache.http.HttpResponse resp = hc.execute(hur);
if(resp == null) {
return(false);
}
}}}
return(true);
}
}
→ All platform specific features / APIs
are accessible
Embedding other languages
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SpriteKit
Sprite Engine R3D
→ NO TECHNOLOGY LOCK-IN
31. Copyright (c) 2014 Eqela Pte Ltd. All Rights reserved.
Thank you
markku.kero@jobandesther.com
www.eqela.com
