com.codename1.system

Class Lifecycle

java.lang.Object

com.codename1.system.Lifecycle

public class Lifecycle
extends Object

Optional helper class that implements the Codename One lifecycle methods with reasonable default implementations to help keep sample code smaller.

Constructor Summary

Constructors

Constructor and Description
Lifecycle()

Method Summary

Modifier and Type	Method and Description
protected void	bindCrashProtection() Callback that can be overriden to disable or modify crash protection
void	destroy() Callback when the app is destroyed
protected Form	getCurrentForm() The current form within the application lifecycle which possibly differs from the one in the implementation
protected int	getNetworkThreadCount() Returns the default number of network thread count
Resources	getTheme() The theme instance
protected String	getThemeName() Returns the name of the global theme file, by default it's "/theme".
protected void	handleNetworkError(NetworkEvent err) Invoked on a network error callback
void	init(Object context) Invoked when the app is "cold launched", this acts like a constructor
void	runApp() This method is invoked by start to show the first form of the application
protected void	setCurrentForm(Form current) The current form within the application lifecycle which possibly differs from the one in the implementation
void	start() Default start callback that's invoked on application resume
void	stop() Callback when the app is suspended

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Lifecycle

public Lifecycle()

Method Detail

init

public void init(Object context)

Invoked when the app is "cold launched", this acts like a constructor

Parameters:

context - some OSs might pass a native object representing platform internal information

bindCrashProtection

protected void bindCrashProtection()

Callback that can be overriden to disable or modify crash protection

getNetworkThreadCount

protected int getNetworkThreadCount()

Returns the default number of network thread count

Returns:

currently two threads

getThemeName

protected String getThemeName()

Returns the name of the global theme file, by default it's "/theme". Can be overriden by subclasses to load a different file name

Returns:

"/theme"

getTheme

public Resources getTheme()

The theme instance

Returns:

the theme

handleNetworkError

protected void handleNetworkError(NetworkEvent err)

Invoked on a network error callback

Parameters:

err - the network error event

start

public void start()

Default start callback that's invoked on application resume

runApp

public void runApp()

This method is invoked by start to show the first form of the application

stop

public void stop()

Callback when the app is suspended

destroy

public void destroy()

Callback when the app is destroyed

getCurrentForm

protected Form getCurrentForm()

The current form within the application lifecycle which possibly differs from the one in the implementation

setCurrentForm

protected void setCurrentForm(Form current)

The current form within the application lifecycle which possibly differs from the one in the implementation

Parameters:

current - the new current Form