Blackberry:获取复选框字段数据
我已成功创建了包含带有复选框WS的联系人列表的列表视图。现在的问题是,我必须获取复选框字段数据,但空值即将出现。你能告诉我我哪里做错了吗?代码片段是: 更新:我得到了现场数据更新代码如下Blackberry:获取复选框字段数据,blackberry,Blackberry,我已成功创建了包含带有复选框WS的联系人列表的列表视图。现在的问题是,我必须获取复选框字段数据,但空值即将出现。你能告诉我我哪里做错了吗?代码片段是: 更新:我得到了现场数据更新代码如下 private Vector _listData = new Vector(); private ListField listField; private ContactList blackBerryContactList; private Vector blackBerryC
private Vector _listData = new Vector();
private ListField listField;
private ContactList blackBerryContactList;
private Vector blackBerryContacts;
public static StringBuffer sbi = new StringBuffer();
VerticalFieldManager checkBoxGroup = new VerticalFieldManager();
CheckboxField cb;
//Constructor
CheckboxListField() {
listField = new ListField();
listField.setCallback(this);
reloadContactList();
for(int count = 0; count < blackBerryContacts.size(); ++count)
{
BlackBerryContact item =
(BlackBerryContact)blackBerryContacts.elementAt(count);
String displayName = getDisplayName(item);
CheckboxField cb = new CheckboxField(displayName, false);
cb.setChangeListener(this);
add(cb);
add(new RichTextField(cb.getLabel()));
}
add(new RichTextField(checkBoxGroup.toString()));
blackBerryContacts.addElement(cb);
add(checkBoxGroup);
}
public void fieldChanged(Field field, int context) {
boolean mProgrammatic = false;
if (!mProgrammatic) {
mProgrammatic = true;
cbField = (CheckboxField) field;
int index = blackBerryContacts.indexOf(cbField);
if (cbField.getChecked())
{
for(int i=0;i<blackBerryContacts.size();i++)
{
Dialog.inform("Selected::" + cbField.getLabel());
sbi=new StringBuffer();
sbi.append(cbField.getLabel());
}
}
mProgrammatic = false;
}
}}
private Vector_listData=new Vector();
私有ListField-ListField;
私人通讯录黑莓通讯录;
专用向量blackBerryContacts;
public static StringBuffer sbi=new StringBuffer();
VerticalFieldManager复选框组=新建VerticalFieldManager();
CheckboxField cb;
//建造师
CheckboxListField(){
listField=新listField();
setCallback(this);
重新加载ContactList();
对于(int count=0;count