SortedReadableList.doAdd(((Country)countries.elementAt(i)).getCountryName
()) ;
16. To update the list of selectable text items, invoke
KeywordFilterField.updateList()
.
_keywordField.updateList();
17. To obtain the key word that a BlackBerry device user typed into the
KeywordFilterField
, invoke
KeywordFilterField.getKeyword()
.
String userTypedWord = _keywordField.getKeyword();
Create a check box
1.
Import the
net.rim.device.api.ui.component.CheckboxField
class.
2.
Create an instance of a
CheckboxField
.
CheckboxField myCheckbox = new CheckboxField("First checkbox", true);
Create a radio button
1.
Import the following classes:
•
net.rim.device.api.ui.component.RadioButtonGroup
•
net.rim.device.api.ui.component.RadioButtonField
2.
Create an instance of a
RadioButtonGroup
.
RadioButtonGroup rbGroup = new RadioButtonGroup();
3.
Create an instance of a
RadioButtonField
for each option you want to make available to the BlackBerry® device
user.
RadioButtonField rbField2 = new RadioButtonField("Second field");
4.
Invoke
RadioButtonGroup.add()
to add the
RadioButtonFields
to the
RadioButtonGroup
and
make sure the BlackBerry device user can select only one option at a time.
rbGroup.add(rbField);
rbGroup.add(rbField2);
Create a date field
1.
Import the
net.rim.device.api.ui.component.DateField
class.
2.
Create an instance of a
DateField
, providing the value returned by
System.currentTimeMillis()
as a
parameter to return the current time.
DateField dateField = new DateField("Date: ",System.currentTimeMillis(),
DateField.DATE_TIME);
Development Guide
UI components
19
