[英]How to pass data from fragment to recyclerview adapter class in android
[英]Android Pass Value from Fragment to Adapter Class
當用戶單擊每個行項目中的溢出圖像時,我有下面的代碼顯示彈出菜單。 不幸的是,我不知道如何將上下文傳遞給導致onClick()未能獲取上下文值的片段。 如果我直接在適配器類的getView()中創建偵聽器,則設法顯示了彈出菜單,但是如果將偵聽器傳遞給片段,則無法獲得預期的結果。 我可以知道下面如何修改我的代碼嗎?
我當前的編碼如下:
public class SubProductCustomAdapter extends BaseAdapter {
...
@Override
public View getView(int position, View convertView, ViewGroup parent) {
//RecyclerView (Android 5.0) - To avoid app crash when there are too many records when user scroll
ViewHolder viewHolder;
LayoutInflater mInflater = (LayoutInflater) context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
//First Created
if(convertView == null )
{
convertView = mInflater.inflate(R.layout.item_sub_product, null);
viewHolder = new ViewHolder();
viewHolder.sub_product_name = (TextView)convertView.findViewById(R.id.txt_pdt_name);
viewHolder.popup_menu = (ImageView) convertView.findViewById(R.id.product_overflow);
SubRowProducts subRowPro = subRowProducts.get(position);
viewHolder.sub_product_name.setText(subRowPro.getSub_product_name());
//Managed to display popup menu using below method
/*viewHolder.popup_menu.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
PopupMenu popupMenu = new PopupMenu(context,v);
popupMenu.getMenuInflater().inflate(R.menu.drawermenu, popupMenu.getMenu());
popupMenu.show();
}
});*/
//Not managed to display popup menu using below method
viewHolder.popup_menu.setOnClickListener(new MySubProductListFragment());
//Store object inside convert view
convertView.setTag(viewHolder);
}
else{
//Reused or recycle the convertView
viewHolder = (ViewHolder)convertView.getTag();
}
//viewHolder.sub_product_name.setText(subRowProducts.get(position).getSub_product_name());
return convertView;
}
。
************************************************************************************************************
public class MySubProductListFragment extends ListFragment implements View.OnClickListener {
...
@Override
public void onClick(View v) {
PopupMenu popupMenu = new PopupMenu(getActivity(),v);
popupMenu.getMenuInflater().inflate(R.menu.drawermenu, popupMenu.getMenu());
popupMenu.show();
}
}
this
作為參數傳遞給適配器類構造函數。
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