Class NavigationCommand

java.lang.Object

com.codename1.ui.Command

com.codename1.ui.NavigationCommand

All Implemented Interfaces:

ActionListener<ActionEvent>

public class NavigationCommand
extends Command

The NavigationCommand is a Command that navigates to a given Form. The NavigationCommand calls the show() on the Form object that is returned from getNextForm().

Constructor Summary

Constructors

Constructor	Description
NavigationCommand(String command)	Creates a new instance of NavigationCommand
NavigationCommand(String command, int id)	Creates a new instance of NavigationCommand
NavigationCommand(String command, Image icon)	Creates a new instance of NavigationCommand
NavigationCommand(String command, Image icon, int id)	Creates a new instance of NavigationCommand

Method Summary

Modifier and Type	Method	Description
void	actionPerformed(ActionEvent evt)	This method is called when the soft button/Menu item is clicked
boolean	equals(Object o)	compare two commands
Form	getNextForm()	Gets the next Form
int	hashCode()	Allows storing commands in a vector/hashtable
void	setNextForm(Form nextForm)	Sets the Form to navigate to when the actionPerformed is invoked on this Command

Methods inherited from class Command

create, createMaterial, getClientProperty, getCommandName, getDisabledIcon, getIcon, getIconFont, getIconGapMM, getId, getMaterialIcon, getMaterialIconSize, getPressedIcon, getRolloverIcon, isDisposesDialog, isEnabled, putClientProperty, setCommandName, setDisabledIcon, setDisposesDialog, setEnabled, setIcon, setIconFont, setIconGapMM, setMaterialIcon, setMaterialIconSize, setPressedIcon, setRolloverIcon, toString

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

NavigationCommand

public NavigationCommand(String command)

Creates a new instance of NavigationCommand

Parameters

• command: the string that will be placed on the Soft buttons\Menu

NavigationCommand

public NavigationCommand(String command,
 Image icon)

Creates a new instance of NavigationCommand

Parameters

• command: the string that will be placed on the Soft buttons\Menu

• icon: the icon representing the command

NavigationCommand

public NavigationCommand(String command,
 int id)

Creates a new instance of NavigationCommand

Parameters

• command: the string that will be placed on the Soft buttons\Menu

• id: @param id user defined ID for a command simplifying switch statement code working with a command

NavigationCommand

public NavigationCommand(String command,
 Image icon,
 int id)

Creates a new instance of NavigationCommand

Parameters

• command: the string that will be placed on the Soft buttons\Menu

• icon: the icon representing the command

• id: @param id user defined ID for a command simplifying switch statement code working with a command

Method Details

getNextForm

public Form getNextForm()

Gets the next Form

Returns

the next Form

setNextForm

public void setNextForm(Form nextForm)

Sets the Form to navigate to when the actionPerformed is invoked on this Command

Parameters

• nextForm: The next Form

equals

public boolean equals(Object o)

Description copied from class: Command

compare two commands

Parameters

• obj: a Command Object to compare

Returns

true if the obj has the same command name

Overrides:

equals in class Command

hashCode

public int hashCode()

Allows storing commands in a vector/hashtable

Returns

unique hashcode for the command class

Overrides:

hashCode in class Command

actionPerformed

public void actionPerformed(ActionEvent evt)

Description copied from class: Command

This method is called when the soft button/Menu item is clicked

Parameters

• evt: the Event Object

Specified by:

actionPerformed in interface ActionListener<ActionEvent>

Overrides:

actionPerformed in class Command