Radio Group

Overview

A radio group is a group of Radios (RadioButton). It allows a user to select at most one radio from a set. Checking one RadioButton that belongs to a radio group unchecks any previous checked radio button within the same group.

Source Code

RadioGroupControllerSample.java
// Creating a RadioGroup
RadioGroupController radioGroup = new RadioGroupController();
// Assigning RadioButtons to the RadioGroup
Radio radio = new Radio("RadioButton", radioGroup);
add(radio, LEFT+100, AFTER+100 ,PREFERRED+100,PREFERRED+25);

To see the complete example click here.

Attributes

Type

Name

Description

boolean

sendPressOnLast

Set to false to disable sending PRESSED events to the previous control

Methods

Type

Name

Description

Constructor

RadioGroupController( )

Instance a empty RadioGroupController

int

add(Radio newMember )

Adds a new Radio to the list of Radios this controller handles

Radio

getRadio(int idx)

Returns the Radio at the given index

int

getSelectedIndex( )

Returns the currently selected index (in the order that the Radios were added to the container), or -1 if none

Radio

getSelectedItem( )

Returns the currently selected Radio, or null if none

int

getSize( )

Returns the number of Radio's

void

remove(Radio oldMember)

Removes the given Radio from the list of Radios this controller handles

void

setSelectedIndex(int i)

Selects the given radio and deselects the other one

void

setSelectedItem(String text)

Selects a radio whose text matches the given caption

void

setSelectedItem(String text, boolean caseInsensitive)

Selects a radio whose text starts with the given caption

References