Java: JOptionPane Radio Buttons
I am working on a simple program to help me calculate eLiquid mixing material. I'm trying to add radio buttons to the JOptionPane.showInputDialog, but I can't seem to link them together. When I run the program, nothing comes up. That is all I have:
JRadioButton nicSelect = new JRadioButton("What is the target Nicotine level? ");
JRadioButton b1 = new JRadioButton("0");
JRadioButton b2 = new JRadioButton("3");
JRadioButton b3 = new JRadioButton("6");
JRadioButton b4 = new JRadioButton("12");
JRadioButton b5 = new JRadioButton("18");
JRadioButton b6 = new JRadioButton("24");
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2 answers
As an alternative to using multiple, JRadioButton
you can provide a select interface via JComboBox
by passing a String array to the JOptionPane.showInputDialog:
String[] values = {"0", "3", "6", "12", "18", "24"};
Object selected = JOptionPane.showInputDialog(null, "What is the target Nicotine level?", "Selection", JOptionPane.DEFAULT_OPTION, null, values, "0");
if ( selected != null ){//null if the user cancels.
String selectedString = selected.toString();
//do something
}else{
System.out.println("User cancelled");
}
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You can create a custom panel and present any options you like, for example:
public class Test {
public static void main(final String[] args) {
final JPanel panel = new JPanel();
final JRadioButton button1 = new JRadioButton("1");
final JRadioButton button2 = new JRadioButton("2");
panel.add(button1);
panel.add(button2);
JOptionPane.showMessageDialog(null, panel);
}
}
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