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What adapter to use for ExpandableListView with non-TextView views?


What adapter to use for ExpandableListView with non-TextView views?

By : user3861542
Date : November 20 2020, 07:00 PM
help you fix your problem I have an ExpandableListView in which I'd like to have controls other than TextView. Apparently, SimpleExandableListViewAdapter assumes all the controls are TextViews. A cast exception is generated if they are not. , Here is some code that I actually just wrote for one of my apps:
code :


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Refresh ExpandableListView from within my adapter

Refresh ExpandableListView from within my adapter


By : Jimmy
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I can't be sure without seeing the rest of your code (how you instantiate your BaseExpandableAdapter) but calling notifyDatasetChanged() at the end of your onClick() method should do the trick.
Duplicates in my ExpandableListView Adapter

Duplicates in my ExpandableListView Adapter


By : Dohyung Kim
Date : March 29 2020, 07:55 AM
this one helps. the problem goes is that everytime I add more than one Child to a GroupItem in my ExpandableListView, the item duplicates itself with the previous child. I have narrowed it down to the getChild() method in my ExpandableListView (custom) adapter.
code :
@Override
public int getChildCount(.....)
{
     return 2;
}
@Override
public int getChildrenCount(int groupPosition)
{
    return (rCollection.get(weekdata.get(groupPosition())).size();
}
Expandablelistview Adapter Not Working Properly

Expandablelistview Adapter Not Working Properly


By : Armand Rexhmati
Date : March 29 2020, 07:55 AM
With these it helps The problem is view recycling. You set the views once when they are null. Your assumption is that these views will always be given to getChildView when that view is called in the future. This is incorrect, once you collapse the group those child views are now eligible to become children of another position. The adapter recycles them.
There's an elaborate way to fix this, and a simple way. The simple way is to inflate the view each time getChildView is called, so that you overWrite the previous view. I think you should try that first, so you can understand that this is the problem.
TextView.setText() doesn't update text in ExpandableListView adapter

TextView.setText() doesn't update text in ExpandableListView adapter


By : Jude F. Rizano
Date : March 29 2020, 07:55 AM
it should still fix some issue According to the answer linked by @IntelliJAmiya, The setText() doesn't update because it probably didn't run on the UI thread.
Here Is what I did to fix this issue:
code :
@Override
public void onGroupExpand(int groupPosition) {
    final GroupViewHolder holder = mViewHolderSparseArray.get(groupPosition);
    final Lesson lesson = (Lesson) getChild(groupPosition, 0);
    holder.indicatorView.animate().rotation(180);
    holder.teacherView.post(new Runnable() {
        @Override
        public void run() {
            holder.teacherView.setText(lesson.getTeacher());
            holder.classroomView.setText(lesson.getClassroom());
        }
    });
}
ExpandableListView Adapter List<object>

ExpandableListView Adapter List<object>


By : Jake Oliver
Date : March 29 2020, 07:55 AM
wish of those help Go with this link.. The explanation is much better..
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