android-viewholder

I have a fragment, which contains a recyclerview. This recyclerview is managed with an adapter that includes the viewholder pattern. In the fragment I have a "Save" button, this button must check that no TextInputEditText is empty in the list. The problem is that I can not access the TextInputEditText of the adapter. ViewHolder is only accessible from the "onBindViewHolder" method. I tried to access from fragment in a way: for (int i = 0; i < employeeList.size(); i++) { View employeeView = recyclerEmployees.findViewHolderForAdapterPosition(i).itemView; if (employeeView != null) {

When you are developing an Android program; and you want to have a ArrayAdapter you can Simply have a Class (most of times with ViewHolder suffix) or directly inflate your convertView and find your view by id. So What is the benefit of using ViewHolder? The example of both here : @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = ((Activity)getContext()).getLayoutInflater().inflate(R.layout.row_phrase, null); } ((TextView) convertView.findViewById(R.id.txtPhrase)).setText("Phrase 01"); } Or create an inner class in the

I have a problem. I'm attempting to change an icon in my listview after it has been clicked. It works correctly although are not modified only the clicked icons but also those who are not displayed. For example if I click the icon in the first item of the listview, also the fifth icon changes. This behaviour is repeated for all the following items (every five items of the listview). This is my getView method: public class AlphabeticalAdapter extends ArrayAdapter<String> { int layoutResourceId; private final Context context; private List<String> data; private ProgressDialog mProgressDialog;