Java tutorial
/** * Copyright (C) 2014 Open Whisper Systems * * 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 org.thoughtcrime.securesms; import android.content.Context; import android.database.Cursor; import android.support.v4.widget.CursorAdapter; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AbsListView; import org.thoughtcrime.securesms.database.DatabaseFactory; import org.thoughtcrime.securesms.database.ThreadDatabase; import org.thoughtcrime.securesms.database.model.ThreadRecord; import org.thoughtcrime.securesms.crypto.MasterCipher; import org.thoughtcrime.securesms.crypto.MasterSecret; /** * A CursorAdapter for building a list of open conversations * * @author Jake McGinty */ public class ShareListAdapter extends CursorAdapter implements AbsListView.RecyclerListener { private final ThreadDatabase threadDatabase; private final MasterCipher masterCipher; private final Context context; private final LayoutInflater inflater; public ShareListAdapter(Context context, Cursor cursor, MasterSecret masterSecret) { super(context, cursor, 0); if (masterSecret != null) this.masterCipher = new MasterCipher(masterSecret); else this.masterCipher = null; this.context = context; this.threadDatabase = DatabaseFactory.getThreadDatabase(context); this.inflater = LayoutInflater.from(context); } @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { return inflater.inflate(R.layout.share_list_item_view, parent, false); } @Override public void bindView(View view, Context context, Cursor cursor) { if (masterCipher != null) { ThreadDatabase.Reader reader = threadDatabase.readerFor(cursor, masterCipher); ThreadRecord record = reader.getCurrent(); ((ShareListItem) view).set(record); } } @Override public void onMovedToScrapHeap(View view) { ((ShareListItem) view).unbind(); } }