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ExpandableListView'm neden genişlemediğini anlayamadığım hayatım için yapamam ... ExpandableListView için bulabildiğim her tıklama dinleyicisinde günlük ifadeleri kullandım ve aradıkları herhangi biri gibi görünmüyor.android expandablelistview tıklama etkinliklerini genişletmiyor ya da almıyor
Bu konuyla ilgili pek çok gönderi olduğunu biliyorum, ancak bunların hepsini okudum, çok şey denedim ve hiç şansım olmadı, umarım bir başkasıyla karşılaşması kolay olacak küçük bir hatayı kaçırdım.
Ana Etkinlik:
public class ForumListActivity extends Activity {
private static ArrayList<Forum> forumList;
private static ArrayList<ArrayList<SubForum>> subForumList;
private ExpandableListView forumListView;
private ForumListAdapter forumListAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.setContentView(R.layout.main_page);
this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
forumListView = (ExpandableListView) this.findViewById(R.id.main_page_forum_list);
forumList = new ArrayList<Forum>();
subForumList = new ArrayList<ArrayList<SubForum>>();
setUpForums(this);
forumListAdapter = new ForumListAdapter(this, forumList, subForumList);
forumListView.setAdapter(forumListAdapter);
forumListView.setOnGroupExpandListener(new OnGroupExpandListener(){
@Override
public void onGroupExpand(int groupPosition) {
Log.d("onGroupExpand", "this works?");
for(int i=0; i<forumListAdapter.getGroupCount(); i++) {
if(i != groupPosition)
forumListView.collapseGroup(groupPosition);
}
}
});
forumListView.setOnGroupClickListener(new OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition, long id) {
Log.d("onGroupClick:", "worked");
parent.expandGroup(groupPosition);
return true;
}
});
}
Not: yöntem setUpForums() sadece sistem dizileri alır ve forumList ve subForumList
ListViewAdapter içine koyar:
public class ForumListAdapter extends BaseExpandableListAdapter {
private ArrayList<Forum> groups;
private ArrayList<ArrayList<SubForum>> children;
private Context ctx;
public ForumListAdapter(Context ctx, ArrayList<Forum> groups, ArrayList<ArrayList<SubForum>> children) {
this.ctx = ctx;
this.groups = groups;
this.children = children;
}
@Override
public Object getChild(int groupPosition, int childPosition) {
return children.get(groupPosition).get(childPosition);
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater inflater = LayoutInflater.from(ctx);
convertView = inflater.inflate(R.layout.forum_list_child_item_row, null);
}
SubForum currentSubForum = children.get(groupPosition).get(childPosition);
TextView name = (TextView)convertView.findViewById(R.id.child_row_forum_title);
TextView desc = (TextView)convertView.findViewById(R.id.child_row_forum_description);
if (name != null)
name.setText(currentSubForum.getName());
if (desc != null)
desc.setText(currentSubForum.getDescription());
convertView.setFocusableInTouchMode(true);
return convertView;
}
@Override
public int getChildrenCount(int groupPosition) {
return children.get(groupPosition).size();
}
@Override
public Object getGroup(int groupPosition) {
return groups.get(groupPosition);
}
@Override
public int getGroupCount() {
return groups.size();
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
if (convertView == null)
{
LayoutInflater inflater = LayoutInflater.from(ctx);
convertView = inflater.inflate(R.layout.forum_list_group_item_row, null);
}
Forum currentForum = (Forum) groups.get(groupPosition);
TextView name = (TextView) convertView.findViewById(R.id.group_item_forum_title);
//ImageView image = (ImageView) convertView.findViewById(R.id.group_item_expander_image);
if(name != null)
name.setText(currentForum.getName());
/*
if(image != null) {
int[][] group_state_sets = {{}, {android.R.attr.state_expanded}};
image.setVisibility(View.VISIBLE);
int stateSetIndex = (isExpanded ? 1 : 0) ;
Drawable drawable = image.getDrawable();
drawable.setState(group_state_sets[stateSetIndex]);
}
*/
return convertView;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
}
Grup Düzeni:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/turquoise_gradient"
android:orientation="horizontal"
android:paddingTop="6dip"
android:paddingBottom="6dip"
android:paddingLeft="6dip" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/turquoise_gradient"
android:orientation="vertical"
android:padding="2dip" >
<TextView
android:id="@+id/group_item_forum_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical|left"
android:gravity="left"
android:paddingLeft="5dip"
android:textColor="@color/white"
android:textSize="16dip" />
</LinearLayout>
<!--
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:gravity="center|right">
<ImageView
android:id="@+id/group_item_expander_image"
android:focusable="false"
android:focusableInTouchMode="false"
android:gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:src="@drawable/collapse_down" />
</LinearLayout> -->
</LinearLayout>
çocuk düzeni:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/turquoise_gradient"
android:orientation="horizontal"
android:paddingTop="6dip"
android:paddingBottom="6dip"
android:paddingLeft="6dip" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="2dip"
android:background="@drawable/turquoise_gradient" >
<TextView
android:id="@+id/child_row_forum_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="left"
android:layout_gravity="center_vertical"
android:paddingLeft="5dip"
android:textColor="@color/white"
android:maxLines="1"
android:textSize="11dip" />
<TextView
android:id="@+id/child_row_forum_description"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="left"
android:layout_gravity="center_vertical"
android:paddingLeft="15dip"
android:textColor="@color/white"
android:maxLines="2"
android:textSize="11dip" />
</LinearLayout>
</LinearLayout>
ana sayfa düzeni:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/black"
android:orientation="vertical" >
<ExpandableListView
android:id="@+id/main_page_forum_list"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/black"
android:divider="@color/black"
android:dividerHeight="1dip"
android:clickable="true" />
</LinearLayout>
Vereceğiniz her türlü yardım büyük
takdir! u herhangi bir veri hiç görünmez çocuk sahibi yoksa u chid için herhangi bir veri mevcut olması çünkü eğer
orada çocuk verilerini yok çünkü onun u – Rakshi
deneyin debug sahip olabilir metin düzenleri için – Rakshi