301 lines
9.7 KiB
Java
301 lines
9.7 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.torproject.android.vpn;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.nio.ByteBuffer;
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import java.util.Locale;
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import java.util.Set;
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import org.sandroproxy.ony.R;
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import org.torproject.android.Orbot;
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import org.torproject.android.service.TorService;
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import org.torproject.android.service.TorServiceConstants;
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import com.runjva.sourceforge.jsocks.protocol.ProxyServer;
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import com.runjva.sourceforge.jsocks.server.ServerAuthenticatorNone;
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import android.annotation.SuppressLint;
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import android.annotation.TargetApi;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.net.VpnService;
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import android.os.Build;
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import android.os.Handler;
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import android.os.Message;
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import android.os.ParcelFileDescriptor;
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import android.support.v4.app.NotificationCompat;
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import android.util.Log;
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import android.widget.RemoteViews;
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import android.widget.Toast;
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@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
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public class OrbotVpnService extends VpnService implements Handler.Callback {
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private static final String TAG = "DrobotVpnService";
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private PendingIntent mConfigureIntent;
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private Handler mHandler;
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private Thread mThreadProxy;
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private Thread mThreadVPN;
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private String mSessionName = "OrbotVPN";
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private ParcelFileDescriptor mInterface;
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private int mSocksProxyPort = 9999;
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private ProxyServer mProxyServer;
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private final static int VPN_MTU = 1500;
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private static final int NOTIFY_ID = 10;
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private static final int TRANSPROXY_NOTIFY_ID = 20;
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private static final int ERROR_NOTIFY_ID = 30;
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private static final int HS_NOTIFY_ID = 40;
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private boolean prefPersistNotifications = true;
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private NotificationManager mNotificationManager = null;
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private android.support.v4.app.NotificationCompat.Builder mNotifyBuilder;
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private Notification mNotification;
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private boolean mShowExpandedNotifications = false;
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private boolean mNotificationShowing = false;
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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// The handler is only used to show messages.
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if (mHandler == null) {
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mHandler = new Handler(this);
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}
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// Stop the previous session by interrupting the thread.
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if (mThreadVPN == null || (!mThreadVPN.isAlive()))
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{
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startSocksBypass ();
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setupTun2Socks();
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}
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return START_STICKY;
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}
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private void startSocksBypass(){
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mThreadProxy = new Thread ()
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{
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public void run ()
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{
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try {
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mProxyServer = new ProxyServer(new ServerAuthenticatorNone(null, null));
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ProxyServer.setVpnService(OrbotVpnService.this);
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mProxyServer.start(mSocksProxyPort, 5, InetAddress.getLocalHost());
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} catch (Exception e) {
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Log.d(TAG,"proxy server error: " + e.getLocalizedMessage(),e);
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}
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}
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};
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mThreadProxy.start();
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}
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@Override
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public void onDestroy() {
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if (mProxyServer != null){
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mProxyServer.stop();
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}
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if (mInterface != null){
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try {
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mInterface.close();
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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@Override
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public boolean handleMessage(Message message) {
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if (message != null) {
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Toast.makeText(this, message.what, Toast.LENGTH_SHORT).show();
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}
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return true;
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}
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private void setupTun2Socks() {
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mThreadVPN = new Thread ()
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{
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public void run ()
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{
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if (mInterface == null)
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{
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// Set the locale to English (or probably any other language that^M
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// uses Hindu-Arabic (aka Latin) numerals).^M
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// We have found that VpnService.Builder does something locale-dependent^M
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// internally that causes errors when the locale uses its own numerals^M
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// (i.e., Farsi and Arabic).^M
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Locale.setDefault(new Locale("en"));
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Builder builder = new Builder();
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builder.setMtu(VPN_MTU);
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builder.addAddress("10.0.0.1",28);
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builder.setSession("DrobotVPN");
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builder.addRoute("0.0.0.0",0);
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//builder.addRoute("192.0.0.0",8);
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//builder.addRoute("192.168.43.0",8);
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// Create a new interface using the builder and save the parameters.
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mInterface = builder.setSession(mSessionName)
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.setConfigureIntent(mConfigureIntent)
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.establish();
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try
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{
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Tun2Socks.Start(mInterface,
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VPN_MTU,
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"10.0.0.2",
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"255.255.255.0",
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"127.0.0.1:" + TorServiceConstants.PORT_SOCKS_DEFAULT,
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"10.0.0.1:" + String.valueOf(TorServiceConstants.TOR_DNS_PORT_DEFAULT),
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true);
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}
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catch (Exception e)
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{
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Log.d(TAG,"tun2Socks has stopped",e);
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}
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}
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}
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};
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mThreadVPN.start();
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showToolbarNotification(getString(R.string.status_activated), NOTIFY_ID, R.drawable.ic_stat_tor);
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}
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@Override
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public void onRevoke() {
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new Thread ()
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{
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public void run()
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{
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try
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{
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mInterface.close();
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Tun2Socks.Stop();
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}
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catch (Exception e)
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{
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Log.d(TAG,"error stopping tun2socks",e);
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}
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}
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}.start();
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clearNotifications();
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super.onRevoke();
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}
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private void clearNotifications()
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{
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if (mNotificationManager != null)
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mNotificationManager.cancelAll();
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mNotificationShowing = false;
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}
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@SuppressLint("NewApi")
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private void showToolbarNotification (String notifyMsg, int notifyType, int icon)
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{
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//Reusable code.
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Intent intent = new Intent(OrbotVpnService.this, Orbot.class);
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PendingIntent pendIntent = PendingIntent.getActivity(OrbotVpnService.this, 0, intent, 0);
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if (mNotifyBuilder == null)
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{
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mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
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if (mNotifyBuilder == null)
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{
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mNotifyBuilder = new NotificationCompat.Builder(this)
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.setContentTitle(getString(R.string.app_name))
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.setSmallIcon(R.drawable.ic_stat_tor);
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mNotifyBuilder.setContentIntent(pendIntent);
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}
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}
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mNotifyBuilder.setContentText(notifyMsg);
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mNotifyBuilder.setSmallIcon(icon);
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if (notifyType != NOTIFY_ID)
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{
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mNotifyBuilder.setTicker(notifyMsg);
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// mNotifyBuilder.setLights(Color.GREEN, 1000, 1000);
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}
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else
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{
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mNotifyBuilder.setTicker(null);
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}
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mNotifyBuilder.setOngoing(prefPersistNotifications);
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mNotification = mNotifyBuilder.build();
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if (Build.VERSION.SDK_INT >= 16 && mShowExpandedNotifications) {
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// Create remote view that needs to be set as bigContentView for the notification.
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RemoteViews expandedView = new RemoteViews(this.getPackageName(),
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R.layout.layout_notification_expanded);
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StringBuffer sbInfo = new StringBuffer();
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if (notifyType == NOTIFY_ID)
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expandedView.setTextViewText(R.id.text, notifyMsg);
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else
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{
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expandedView.setTextViewText(R.id.info, notifyMsg);
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}
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expandedView.setTextViewText(R.id.title, getString(R.string.app_name));
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expandedView.setImageViewResource(R.id.icon, icon);
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mNotification.bigContentView = expandedView;
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}
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if (prefPersistNotifications && (!mNotificationShowing))
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{
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startForeground(NOTIFY_ID, mNotification);
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}
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else
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{
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mNotificationManager.notify(NOTIFY_ID, mNotification);
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}
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mNotificationShowing = true;
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}
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}
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