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Adding Buttons to expendableListView as last Child


Adding Buttons to expendableListView as last Child

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Adding Buttons to expendableListView as last Child
Tag : android , By : MJRider
Date : November 25 2020, 07:22 PM


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how to stop addContentView to hide the top of my expendablelistview?


Tag : android , By : Jeskl
Date : March 29 2020, 07:55 AM
Any of those help In an ExpandableListActivity you have an ExpandableListView. Period. When you set the Adapter to it, You can't then add other View on top of that.(I'm almost sure this isn't good practice)
My advice is that you create an ExpadableListView on the side and put it into a Layout(with the other things you want) that is loaded into a clean plain Activity.

Android - cannot refresh ExpendableListView, it freezes


Tag : android , By : Monev
Date : March 29 2020, 07:55 AM
around this issue I solved this by using runOnUiThread in my addTeam() instead and it worked flawlessly.

Use onChildClickListener with ExpendableListView


Tag : android , By : platformNomad
Date : March 29 2020, 07:55 AM
I wish did fix the issue. How do you use onClickListener with Expendable List view in such a way that clicking a child item creates a new Activity?
onChildClick (ExpandableListView parent, View v, int groupPosition, int childPosition, long id)

Trying to use TextView as a button to move to another activity in ExpendableListView


Tag : android , By : PatrickSimonHenk
Date : March 29 2020, 07:55 AM
To fix the issue you can do I want to go to my secondActivity when i click on the drop down list values from the ExpendableListView. i have seen examples to show toast messages but none to move to another activity.I am quite new to android.please tell me how can i do that. i have tried intent class also.thanks in advance. , In your onClick(View v) method, write:
Intent intent = new Intent(context, SecondActivity.class);
startActivity(intent);
// optionally, check if the view is an instance of TextView
String text = ((TextView) v).getText().toString();
intent.putExtra(SOME_CONSTANT, text);
Intent intent = getIntent();
String text = intent.getStringExtra(SOME_CONSTANT);

Values of counter changes after scrolling ExpendableListView


Tag : java , By : Gilmar Souza Jr.
Date : March 29 2020, 07:55 AM
wish of those help I have an ExpandableListView of items and on list item I have TextView with two buttons to increment or decrements the value in TextView on clicks. The problem occurs every time I try to scroll the list. If I increment one item and then scroll the list the values get mixed (becouse the ListView keeps recycling its views) and I don't know how to fix it. , Try this adapter:
public class ExpandableListAdapter extends BaseExpandableListAdapter {

class ViewHolder {
    TextView childText;
    TextView counterText;
    Button addItemButton;
    Button deleteItemButton;
}

class ChildItem{
    String name;
    int quantity;
    ChildItem(String name, int quantity){
        this.name = name;
        this.quantity = quantity;
    }
}

class Pos{
    int group;
    int child;
    Pos(int group, int child){
        this.group = group;
        this.child = child;
    }
}

private Context context;
private List<String> listDataHeader;
//private HashMap<String, List<String>> listHashMap;
private HashMap<String, List<ChildItem>> listChildMap;

public ExpandableListAdapter(Context context, List<String> listDataHeader, HashMap<String, List<String>> listHashMap) {
    this.context = context;
    this.listDataHeader = listDataHeader;
    listChildMap = new HashMap<>();
    for(int i=0; i<getGroupCount(); i++){
        List<ChildItem> listTemp = new ArrayList<>();
        for(int j=0; j<listHashMap.get(listDataHeader.get(i)).size(); j++){
            listTemp.add(new ChildItem(listHashMap.get(listDataHeader.get(i)).get(j), 0));
        }
        listChildMap.put(listDataHeader.get(i), listTemp);
    }
}

@Override
public int getGroupCount() {
    return listDataHeader.size();
}

@Override
public int getChildrenCount(int groupPosition) {
    return listChildMap.get(listDataHeader.get(groupPosition)).size();
}

@Override
public String getGroup(int groupPosition) {
    return listDataHeader.get(groupPosition);
}

@Override
public ChildItem getChild(int groupPosition, int childPosition) {
    return listChildMap.get(listDataHeader.get(groupPosition)).get(childPosition);
}

@Override
public long getGroupId(int groupPosition) {
    return groupPosition;
}

@Override
public long getChildId(int groupPosition, int childPosition) {
    return childPosition;
}

@Override
public boolean hasStableIds() {
    return false;
}

@Override
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
    String headerTitle = getGroup(groupPosition);
    if(convertView == null) {
        LayoutInflater inflater = (LayoutInflater) this.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.list_group, null);
    }
    TextView listHeader = (TextView) convertView.findViewById(R.id.list_header);
    listHeader.setTypeface(null, Typeface.BOLD);
    listHeader.setText(headerTitle);
    return convertView;
}

@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
    ViewHolder viewHolder;
    if(convertView == null) {
        LayoutInflater inflater = (LayoutInflater) this.context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.list_item, null);
        TextView textListChild = (TextView) convertView.findViewById(R.id.list_item_header);
        TextView itemsCounter = (TextView) convertView.findViewById(R.id.items_counter);
        Button addItemButton = (Button) convertView.findViewById(R.id.plus_btn);
        viewHolder = new ViewHolder();
        viewHolder.childText = textListChild;
        viewHolder.counterText = itemsCounter;
        viewHolder.addItemButton = addItemButton;
    } else {
        viewHolder = (ViewHolder) convertView.getTag();
    }
    ChildItem child = getChild(groupPosition, childPosition);
    viewHolder.childText.setText(child.name);
    viewHolder.counterText.setText("" + child.quantity);
    viewHolder.addItemButton.setOnClickListener(new View.OnClickListener(){
        @Override
        public void onClick(View v) {
            Pos pos = (Pos)v.getTag();
            ChildItem selectedItem = getChild(pos.group, pos.child);
            selectedItem.quantity = selectedItem.quantity + 1;
            notifyDataSetChanged();

            PutOrderDrinks.addOrder(selectedItem.name);
        }
    });
    viewHolder.addItemButton.setTag(new Pos(groupPosition, childPosition));
    convertView.setTag(viewHolder);
    return convertView;
}

@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
    return true;
}
}
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