Poprawienie dziedziczenia Adaptera, poprawienie metod, dodanie wyświetlania layoutu
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@ -1,11 +1,13 @@
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package com.example.notatkon.note;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.recyclerview.widget.RecyclerView.Adapter;
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import com.example.notatkon.R;
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@ -13,7 +15,10 @@ import org.w3c.dom.Text;
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import java.util.ArrayList;
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public class NoteAdapter extends RecyclerView.Adapter{
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//https://developer.android.com/guide/topics/ui/layout/recyclerview
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/* Aby klasa była adapterem musi dziedziczyć po RecyclerView.Adapter oraz wskazywać na ViewHolder */
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public class NoteAdapter extends RecyclerView.Adapter<NoteAdapter.ViewHolder>{
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private ArrayList<Note> arrNotes = new ArrayList<>();
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@ -21,12 +26,11 @@ public class NoteAdapter extends RecyclerView.Adapter{
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private RecyclerView noteRecyclerView;
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//implementacja ViewHoldera
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//https://developer.android.com/guide/topics/ui/layout/recyclerview
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private class NoteViewHolder extends RecyclerView.ViewHolder {
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public static class ViewHolder extends RecyclerView.ViewHolder {
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public TextView noteTitle;
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public TextView noteContent;
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public NoteViewHolder(@NonNull View itemView) {
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public ViewHolder(@NonNull View itemView) {
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super(itemView);
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noteTitle = (TextView) itemView.findViewById(R.id.note_title);
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noteContent = (TextView) itemView.findViewById(R.id.note_content);
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@ -35,17 +39,23 @@ public class NoteAdapter extends RecyclerView.Adapter{
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@NonNull
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@Override
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public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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return null;
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public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.view_note, parent, false);
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// utwórz nowy ViewHolder i usuń
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return new ViewHolder(view);
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}
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///// Replace the contents of a view (invoked by the layout manager)
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@Override
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public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
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public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
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Note note = arrNotes.get(position);
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((ViewHolder) holder).noteTitle.setText(note.getNoteTitle());
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((ViewHolder) holder).noteContent.setText(note.getNoteContent());
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}
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@Override
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public int getItemCount() {
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return 0;
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return arrNotes.size();
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}
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}
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