radio-group.md

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

{% code title="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);

{% endcode %}

{% hint style="info" %} To see the complete example click here. {% endhint %}

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

• See the JavaDocs for more information