Java tutorial
/* * Copyright 2013-2015 the original author or authors. * * 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 android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.AsyncTaskLoader; import android.support.v4.content.LocalBroadcastManager; import org.bitcoinj.core.MasternodeManager; import org.bitcoinj.core.MasternodeSync; import org.bitcoinj.core.MasternodeSyncListener; import org.bitcoinj.core.MasternodeManagerListener; import org.bitcoinj.wallet.Wallet; import org.bitcoinj.utils.Threading; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.concurrent.RejectedExecutionException; import de.schildbach.wallet.WalletApplication; import de.schildbach.wallet.util.ThrottlingWalletChangeListener; /** * @author Andreas Schildbach */ public final class MasternodeSyncLoader extends AsyncTaskLoader<Integer> { //private LocalBroadcastManager broadcastManager; private final MasternodeSync masternodeSync; private final MasternodeManager masternodeManager; private int masternodeSyncStatus; private static final Logger log = LoggerFactory.getLogger(MasternodeSyncLoader.class); public MasternodeSyncLoader(final Context context, Wallet wallet) { super(context); //this.broadcastManager = LocalBroadcastManager.getInstance(context.getApplicationContext()); this.masternodeSync = wallet.getContext().masternodeSync; this.masternodeSyncStatus = masternodeSync.getSyncStatusInt(); this.masternodeManager = wallet.getContext().masternodeManager; } public MasternodeSyncLoader(final Context context, org.bitcoinj.core.Context dashContext) { super(context); //this.broadcastManager = LocalBroadcastManager.getInstance(context.getApplicationContext()); this.masternodeSync = dashContext.masternodeSync; this.masternodeSyncStatus = masternodeSync.getSyncStatusInt(); this.masternodeManager = dashContext.masternodeManager; } @Override protected void onStartLoading() { super.onStartLoading(); masternodeSync.addEventListener(masternodeSyncListener, Threading.SAME_THREAD); //masternodeManager.addEventListener(masternodeManagerListener, Threading.SAME_THREAD); //broadcastManager.registerReceiver(masternodeSyncReceiver, new IntentFilter(WalletApplication.ACTION_WALLET_REFERENCE_CHANGED)); safeForceLoad(); } @Override protected void onStopLoading() { //broadcastManager.unregisterReceiver(masternodeSyncReceiver); masternodeSync.removeEventListener(masternodeSyncListener); //masternodeManager.removeEventListener(masternodeManagerListener); //masternodeSyncListener.removeCallbacks(); super.onStopLoading(); } @Override protected void onReset() { //broadcastManager.unregisterReceiver(masternodeSyncReceiver); masternodeSync.removeEventListener(masternodeSyncListener); //masternodeSyncListener.removeCallbacks(); super.onReset(); } @Override public Integer loadInBackground() { masternodeSyncStatus = masternodeSync.getSyncStatusInt(); return masternodeSyncStatus; } private final MasternodeSyncListener masternodeSyncListener = new MasternodeSyncListener() { @Override public void onSyncStatusChanged(int newStatus, double progress) { masternodeSyncStatus = newStatus; safeForceLoad(); } }; private final MasternodeManagerListener masternodeManagerListener = new MasternodeManagerListener() { @Override public void onMasternodeCountChanged(int newCount) { //masternodeSyncStatus = newStatus; safeForceLoad(); } }; /* private final BroadcastReceiver masternodeSyncReceiver = new BroadcastReceiver() { @Override public void onReceive(final Context context, final Intent intent) { safeForceLoad(); } }; */ private void safeForceLoad() { try { forceLoad(); } catch (final RejectedExecutionException x) { log.info("rejected execution: " + MasternodeSyncLoader.this.toString()); } } }