我爲我的英語道歉。我正在嘗試編寫一個使用ExpandableListView中的複選框的應用程序,但是當我單擊一個項目列表時,該列表將檢查點擊的項目以及隨後的項目與期間6.例如,如果我點擊firt項目被選中,除了第一,第六十二等等,等等 下面有我的代碼Expandablelistview android onclick複選框選擇更多項目
prepareListData();
expandableListView = (ExpandableListView)findViewById(R.id.expandableListViewProfessioni);
expandableListAdapterProfessioni = new ExpandableListAdapterProfessioni(this,listDataHeader,listDataProfessioni);
expandableListView.setAdapter(expandableListAdapterProfessioni);
expandableListView.setOnGroupClickListener(new OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView parent, View v,
int groupPosition, long id) {
setListViewHeight(parent, groupPosition);
return false;
}
});
expandableListView.setOnChildClickListener(new OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {
return false;
}
});private void prepareListData() {
listDataHeader = new ArrayList<String>();
listDataProfessioni = new HashMap<String, ArrayList<Mestieri>>();
listDataHeader.add("Professione svolta");
SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
Gson gson = new Gson();
String json = sharedPrefs.getString("HomeActivity", null);
Type type = new TypeToken<ArrayList<Mestieri>>() {}.getType();
ArrayList<Mestieri> professioni = gson.fromJson(json, type);
listDataProfessioni.put(listDataHeader.get(0), professioni);
}
private void setListViewHeight(ExpandableListView listView,
int group) {
ExpandableListAdapter listAdapter = (ExpandableListAdapter) listView.getExpandableListAdapter();
int totalHeight = 0;
int desiredWidth = View.MeasureSpec.makeMeasureSpec(listView.getWidth(),
View.MeasureSpec.EXACTLY);
for (int i = 0; i < listAdapter.getGroupCount(); i++) {
View groupItem = listAdapter.getGroupView(i, false, null, listView);
groupItem.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
totalHeight += groupItem.getMeasuredHeight();
if (((listView.isGroupExpanded(i)) && (i != group))
|| ((!listView.isGroupExpanded(i)) && (i == group))) {
for (int j = 0; j < listAdapter.getChildrenCount(i); j++) {
View listItem = listAdapter.getChildView(i, j, false, null,
listView);
listItem.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
totalHeight = 700;
}
}
}
ViewGroup.LayoutParams params = listView.getLayoutParams();
int height = totalHeight
+ (listView.getDividerHeight() * (listAdapter.getGroupCount() - 1));
if (height < 10)
height = 200;
params.height = height;
listView.setLayoutParams(params);
listView.requestLayout();
}/**************** ADAPTER *******************/public class ExpandableListAdapterProfessioni extends BaseExpandableListAdapter{
private Context _context;
private List<String> _listDataHeader;
public static ArrayList<String> listaProfessioni;
private HashMap<String, ArrayList<Mestieri>> _listDataChild;
public ExpandableListAdapterProfessioni(Context context, List<String> listDataHeader,
HashMap<String, ArrayList<Mestieri>> listChildData) {
this._context = context;
this._listDataHeader = listDataHeader;
this._listDataChild = listChildData;
}
@Override
public Object getChild(int groupPosition, int childPosititon) {
return this._listDataChild.get(this._listDataHeader.get(groupPosition))
.get(childPosititon).getNome();
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public View getChildView(final int groupPosition, final int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
final String childText = (String) getChild(groupPosition, childPosition);
listaProfessioni = new ArrayList<String>();
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.expandable_listview_item_professioni, null);
}
TextView txtListChild = (TextView) convertView
.findViewById(R.id.expandableListViewProfessioniItem);
txtListChild.setText(childText);
final CheckBox checkBox = (CheckBox) convertView.findViewById(R.id.checkBoxItem);
convertView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(checkBox.isChecked()){
checkBox.setChecked(false);
}else {
checkBox.setChecked(true);
//listaProfessioni.add(getChild(groupPosition,childPosition).toString());
}
}
});
return convertView;
}
@Override
public int getChildrenCount(int groupPosition) {
return this._listDataChild.get(this._listDataHeader.get(groupPosition))
.size();
}
@Override
public Object getGroup(int groupPosition) {
return this._listDataHeader.get(groupPosition);
}
@Override
public int getGroupCount() {
return this._listDataHeader.size();
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public View getGroupView(int groupPosition, boolean isExpanded,
View convertView, ViewGroup parent) {
String headerTitle = (String) getGroup(groupPosition);
if (convertView == null) {
LayoutInflater infalInflater = (LayoutInflater) this._context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = infalInflater.inflate(R.layout.expandable_listview_professioni, null);
}
TextView lblListHeader = (TextView) convertView
.findViewById(R.id.expandableListViewProfessioniHeader);
lblListHeader.setTypeface(null, Typeface.NORMAL);
lblListHeader.setText(headerTitle);
return convertView;
}
@Override
public boolean hasStableIds() {
return false;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}}