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Apache License
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package com.example.fragmentexample.data; //from w ww. j a va 2 s. co m import java.util.ArrayList; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.TextView; import com.example.fragmentexample.R; public class BookListAdapter extends BaseAdapter { Context context; ArrayList<Book> data; DatabaseAdapter dbAdapter; public BookListAdapter(Context context, ArrayList<Book> data) { this.context = context; this.data = data; dbAdapter = new DatabaseAdapter(context); } @Override public int getCount() { return data == null ? 0 : data.size(); } @Override public Object getItem(int position) { return data.get(position); } @Override public long getItemId(int position) { return data.get(position).getId(); } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if( convertView == null) { LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); convertView = inflater.inflate(R.layout.item_book_list, null); holder = new ViewHolder(); holder.nameTextView = (TextView) convertView.findViewById(R.id.bookNameTextView); holder.authorTextView = (TextView) convertView.findViewById(R.id.authorNameTextView); holder.publishDateTextView = (TextView) convertView.findViewById(R.id.publishDateTextView); // holder.deleteButton = (Button) convertView.findViewById(R.id.deleteButton); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.nameTextView.setText(data.get(position).getName()); holder.authorTextView.setText(data.get(position).getAuthor()); holder.publishDateTextView.setText(data.get(position).getPublishDate().toString()); // holder.deleteButton.setTag(position); // holder.deleteButton.setOnClickListener(deleteButtonOnClick); return convertView; } private View.OnClickListener deleteButtonOnClick = new View.OnClickListener() { @Override public void onClick(View v) { Integer position = (Integer) v.getTag(); Long id = data.get(position).getId(); if(dbAdapter.deleteBook(id) > 0) { data.remove(position); notifyDataSetChanged(); } } }; static class ViewHolder { TextView nameTextView; TextView authorTextView; TextView publishDateTextView; // Button deleteButton; } }