Android Open Source - bitfynd-wallet-android Wallet Addresses Adapter

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2012-2014 the original author or authors.
 *//from w w  w  .j  a  va 2s. c o m
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.schildbach.wallet.ui;

import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;

import javax.annotation.Nonnull;

import org.bitcoinj.core.Address;
import org.bitcoinj.core.ECKey;
import org.bitcoinj.core.Wallet;

import android.content.Context;
import android.content.res.Resources;
import android.text.format.DateUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import de.schildbach.wallet.AddressBookProvider;
import de.schildbach.wallet.Constants;
import de.schildbach.wallet.util.WalletUtils;
import de.schildbach.wallet.R;

/**
 * @author Andreas Schildbach
 */
public class WalletAddressesAdapter extends BaseAdapter
{
  private final Context context;
  private final Wallet wallet;
  private final DateFormat dateFormat;
  private final int colorSignificant;
  private final int colorInsignificant;
  private final int colorLessSignificant;
  private final LayoutInflater inflater;

  private final List<ECKey> keys = new ArrayList<ECKey>();

  public WalletAddressesAdapter(final Context context, @Nonnull final Wallet wallet)
  {
    final Resources res = context.getResources();

    this.context = context;
    this.wallet = wallet;
    dateFormat = android.text.format.DateFormat.getDateFormat(context);
    colorSignificant = res.getColor(R.color.fg_significant);
    colorInsignificant = res.getColor(R.color.fg_insignificant);
    colorLessSignificant = res.getColor(R.color.fg_less_significant);
    inflater = LayoutInflater.from(context);
  }

  public void replace(@Nonnull final Collection<ECKey> keys)
  {
    this.keys.clear();
    this.keys.addAll(keys);

    notifyDataSetChanged();
  }

  @Override
  public int getCount()
  {
    return keys.size();
  }

  @Override
  public Object getItem(final int position)
  {
    return keys.get(position);
  }

  @Override
  public long getItemId(final int position)
  {
    return keys.get(position).hashCode();
  }

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

  @Override
  public View getView(final int position, View row, final ViewGroup parent)
  {
    final ECKey key = (ECKey) getItem(position);
    final Address address = key.toAddress(Constants.NETWORK_PARAMETERS);
    final boolean isRotateKey = wallet.isKeyRotating(key);

    if (row == null)
      row = inflater.inflate(R.layout.address_book_row, null);

    final TextView addressView = (TextView) row.findViewById(R.id.address_book_row_address);
    addressView.setText(WalletUtils.formatAddress(address, Constants.ADDRESS_FORMAT_GROUP_SIZE, Constants.ADDRESS_FORMAT_LINE_SIZE));
    addressView.setTextColor(isRotateKey ? colorInsignificant : colorSignificant);

    final TextView labelView = (TextView) row.findViewById(R.id.address_book_row_label);
    final String label = AddressBookProvider.resolveLabel(context, address.toString());
    if (label != null)
    {
      labelView.setText(label);
      labelView.setTextColor(isRotateKey ? colorInsignificant : colorLessSignificant);
    }
    else
    {
      labelView.setText(R.string.address_unlabeled);
      labelView.setTextColor(colorInsignificant);
    }

    final TextView createdView = (TextView) row.findViewById(R.id.address_book_row_created);
    final long createdMs = key.getCreationTimeSeconds() * DateUtils.SECOND_IN_MILLIS;
    if (createdMs != 0)
    {
      createdView.setText(dateFormat.format(new Date(createdMs)));
      createdView.setVisibility(View.VISIBLE);
    }
    else
    {
      createdView.setVisibility(View.GONE);
    }

    final TextView messageView = (TextView) row.findViewById(R.id.address_book_row_message);
    messageView.setVisibility(isRotateKey ? View.VISIBLE : View.GONE);

    return row;
  }
}

Java Source Code List

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