Radio
A
Radio button is a button that can be either checked or unchecked. A user can tap the button to check or uncheck it. It can also be checked from the template using the checked property
Use an element with a RadioGroupController attribute to group a set of radio button. When radio buttons are inside a RadioGroupController, just one radio in the group can be checked at any time. If a radio button is not placed in a group, they will all have the ability to be checked at the same time
RadioSample.java
import totalcross.sys.Settings;
import totalcross.ui.Bar;
import totalcross.ui.Check;
import totalcross.ui.Label;
import totalcross.ui.MainWindow;
import totalcross.ui.Radio;
import totalcross.ui.RadioGroupController;
import totalcross.ui.ScrollContainer;
import totalcross.ui.event.ControlEvent;
import totalcross.ui.event.PressListener;
import totalcross.ui.font.Font;
import totalcross.ui.gfx.Color;
public class RadioButton extends MainWindow{
public RadioButton(){
super("", BORDER_NONE);
setUIStyle(Settings.Material);
Settings.uiAdjustmentsBasedOnFontHeight = true;
setBackForeColors(Color.WHITE, Color.BLACK);
Bar h1 = new Bar(" RADIO");
h1.canSelectTitle = false;
h1.setFont(Font.getFont("Lato Bold", false, h1.getFont().size+3));
h1.setBackForeColors(0XF8F8F8,Color.BLACK);
add(h1, LEFT,TOP,FILL,PREFERRED-50);
}
public void initUI(){
ScrollContainer sc = new ScrollContainer(false, true);
add(sc,LEFT,AFTER,FILL,FILL);
RadioGroupController radioGroup = new RadioGroupController();
Radio pyton = new Radio("Pyton", radioGroup);
pyton.setChecked(true);
sc.add(pyton, LEFT+100, AFTER+100 ,PREFERRED+100,PREFERRED+25);
Radio java = new Radio("Java", radioGroup);
sc.add(java, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
Radio ruby = new Radio("Ruby", radioGroup);
sc.add(ruby, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
Radio php = new Radio("PHP", radioGroup);
sc.add(php, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
Label autolock = new Label("Auto-Lock");
autolock.setFont(Font.getFont("Lato Regular", false, autolock.getFont().size+3));
sc.add(autolock, LEFT+100, AFTER+100, FILL, PREFERRED+25);
final Radio enable = new Radio("Enable: ''Never'' ");
enable.setChecked(true);
enable.setFont(Font.getFont("Lato Regular", false, Font.NORMAL_SIZE-2));
sc.add(enable, LEFT+123, AFTER+100 ,PREFERRED+100,PREFERRED+25);
RadioGroupController radioGroup2 = new RadioGroupController();
Radio rd1 = new Radio("1 Hour", radioGroup2);
rd1.setChecked(true);
sc.add(rd1, LEFT+100, AFTER+100 ,PREFERRED+100,PREFERRED+25);
Radio rd2 = new Radio("2 Hours", radioGroup2);
sc.add(rd2, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
Radio rd3 = new Radio("3 Hours", radioGroup2);
sc.add(rd3, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
final Radio never = new Radio("Never", radioGroup2);
sc.add(never, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
enable.addPressListener(new PressListener(){
public void controlPressed(ControlEvent e){
boolean b = enable.isChecked();
never.setEnabled(b);
}
});
Label properties = new Label("Properties");
properties.setFont(Font.getFont("Lato Regular", false, properties.getFont().size+3));
sc.add(properties, LEFT+100, AFTER+100, FILL, PREFERRED+25);
Radio simple = new Radio("Simple Radio");
simple.setChecked(true);
sc.add(simple, LEFT+100, AFTER+100 ,PREFERRED+100,PREFERRED+25);
Radio bcolor = new Radio("Background Color");
bcolor.setBackColor(Color.YELLOW);
bcolor.textColor = Color.BLUE;
bcolor.checkColor = uiMaterial ? Color.BLACK : Color.YELLOW;
sc.add(bcolor, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
Radio fcolor = new Radio("Foreground Color");
fcolor.setForeColor(Color.darker(Color.GREEN));
fcolor.checkColor = Color.GREEN;
sc.add(fcolor, LEFT+100, AFTER+50 ,PREFERRED+100,PREFERRED+25);
}
}
Type | Name | Description |
int | checkColor | Set to the color of the check, if you want to make it different of the foreground color |
boolean | leftJustify | Set to true to left justify this control if the width is above the preferred one |
int | checkColor | Sets the text color of the check |
Tipo | Nome | Descrição |
Constructor | Radio(String Text) | Creates a radio control displaying the given text |
Constructor | Radio(String text, RadioGroupController radioGroup) | Creates a radio control with the given text attached to the given RadioGroupController |
RadioGroupController | getRadioGroup( ) | Returns the RadioGroupController that this radio belongs to, or null if none |
String | getText( ) | Gets the text displayed in the radio |
boolean | isChecked( ) | Returns the checked state of the control |
void | setChecked(boolean checked) | Sets the checked state of the control |
void | setChecked(boolean checked, boolean sendPress) | Sets the checked state of the control, and send the press event if desired |
void | setText( ) | Sets the text |
Last modified 4yr ago