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WigleAndroid.java
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WigleAndroid.java
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package net.wigle.wigleandroid;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.graphics.Color;
import android.location.GpsSatellite;
import android.location.GpsStatus;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.location.GpsStatus.Listener;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class WigleAndroid extends Activity {
// state. anything added here should be added to the retain copy-construction
private ArrayAdapter<Network> listAdapter;
private Set<String> runNetworks;
private GpsStatus gpsStatus;
private Location location;
private Handler wifiTimer;
private DatabaseHelper dbHelper;
private ServiceConnection serviceConnection;
private AtomicBoolean finishing;
private String savedStats;
private int scanCount;
private Long satCountLowTime;
private MediaPlayer soundPop;
// created every time, even after retain
private Listener gpsStatusListener;
private LocationListener locationListener;
private BroadcastReceiver wifiReceiver;
private NumberFormat numberFormat1;
private NumberFormat numberFormat8;
private TTS tts;
private AudioManager audioManager;
private long previousTalkTime = System.currentTimeMillis();
public static final String FILE_POST_URL = "http://wigle.net/gps/gps/main/confirmfile/";
private static final String LOG_TAG = "wigle";
private static final int MENU_SETTINGS = 10;
private static final int MENU_EXIT = 11;
public static final String ENCODING = "ISO8859_1";
private static final String GPS_PROVIDER = "gps";
private static final long GPS_TIMEOUT = 15000L;
// color by signal strength
public static final int COLOR_1 = Color.rgb( 70, 170, 0);
public static final int COLOR_2 = Color.rgb(170, 170, 0);
public static final int COLOR_3 = Color.rgb(170, 95, 30);
public static final int COLOR_4 = Color.rgb(180, 60, 40);
public static final int COLOR_5 = Color.rgb(180, 45, 70);
// preferences
static final String SHARED_PREFS = "WiglePrefs";
static final String PREF_USERNAME = "username";
static final String PREF_PASSWORD = "password";
static final String PREF_SHOW_CURRENT = "showCurrent";
static final String PREF_BE_ANONYMOUS = "beAnonymous";
static final String PREF_DB_MARKER = "dbMarker";
static final String PREF_SCAN_PERIOD = "scanPeriod";
static final String PREF_FOUND_SOUND = "foundSound";
static final String PREF_SPEECH_PERIOD = "speechPeriod";
static final String PREF_SPEECH_GPS = "speechGPS";
static final String PREF_MUTED = "muted";
static final long DEFAULT_SPEECH_PERIOD = 60L;
static final String ANONYMOUS = "anonymous";
//static final String THREAD_DEATH_MESSAGE = "threadDeathMessage";
// cache
private static ThreadLocal<CacheMap<String,Network>> networkCache = new ThreadLocal<CacheMap<String,Network>>() {
protected CacheMap<String,Network> initialValue() {
return new CacheMap<String,Network>( 16, 64 );
}
};
private static final Comparator<Network> signalCompare = new Comparator<Network>() {
public int compare( Network a, Network b ) {
return b.getLevel() - a.getLevel();
}
};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Thread.setDefaultUncaughtExceptionHandler( new Thread.UncaughtExceptionHandler(){
// public void uncaughtException( Thread thread, Throwable throwable ) {
// String error = "Thread: " + thread + " throwable: " + throwable;
// WigleAndroid.error( error );
// throwable.printStackTrace();
//
// WigleAndroid.writeError( thread, throwable );
//
// // throw new RuntimeException( error, throwable );
// WigleAndroid.this.finish();
// System.exit( -1 );
// }
// });
Object stored = getLastNonConfigurationInstance();
if ( stored != null && stored instanceof WigleAndroid ) {
// pry an orientation change, which calls destroy, but we set this in onRetainNonConfigurationInstance
WigleAndroid retained = (WigleAndroid) stored;
this.listAdapter = retained.listAdapter;
this.runNetworks = retained.runNetworks;
this.gpsStatus = retained.gpsStatus;
this.location = retained.location;
this.wifiTimer = retained.wifiTimer;
this.dbHelper = retained.dbHelper;
this.serviceConnection = retained.serviceConnection;
this.finishing = retained.finishing;
this.savedStats = retained.savedStats;
this.scanCount = retained.scanCount;
this.soundPop = retained.soundPop;
TextView tv = (TextView) findViewById( R.id.stats );
tv.setText( savedStats );
}
else {
runNetworks = new HashSet<String>();
finishing = new AtomicBoolean( false );
}
numberFormat1 = NumberFormat.getNumberInstance( Locale.US );
if ( numberFormat1 instanceof DecimalFormat ) {
((DecimalFormat) numberFormat1).setMaximumFractionDigits( 1 );
}
numberFormat8 = NumberFormat.getNumberInstance( Locale.US );
if ( numberFormat8 instanceof DecimalFormat ) {
((DecimalFormat) numberFormat8).setMaximumFractionDigits( 8 );
}
setupService();
setupDatabase();
setupUploadButton();
setupList();
setupSound();
setupWifi();
setupLocation();
}
@Override
public Object onRetainNonConfigurationInstance() {
// return this whole class to copy data from
return this;
}
@Override
public void onPause() {
info( "paused. networks: " + runNetworks.size() );
super.onPause();
}
@Override
public void onResume() {
info( "resumed. networks: " + runNetworks.size() );
super.onResume();
}
@Override
public void onStart() {
info( "start. networks: " + runNetworks.size() );
super.onStart();
}
@Override
public void onRestart() {
info( "restart. networks: " + runNetworks.size() );
super.onRestart();
}
@Override
public void onDestroy() {
info( "destroy. networks: " + runNetworks.size() );
try {
this.unregisterReceiver( wifiReceiver );
}
catch ( IllegalArgumentException ex ) {
WigleAndroid.info( "wifiReceiver not registered: " + ex );
}
try {
this.unbindService( serviceConnection );
}
catch ( IllegalArgumentException ex ) {
WigleAndroid.info( "serviceConnection not registered: " + ex );
}
super.onDestroy();
}
@Override
public void finish() {
info( "finish. networks: " + runNetworks.size() );
finishing.set( true );
// close the db. not in destroy, because it'll still write after that.
dbHelper.close();
LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
if ( gpsStatusListener != null ) {
locationManager.removeGpsStatusListener( gpsStatusListener );
}
if ( locationListener != null ) {
locationManager.removeUpdates( locationListener );
}
try {
this.unregisterReceiver( wifiReceiver );
}
catch ( IllegalArgumentException ex ) {
WigleAndroid.info( "wifiReceiver not registered: " + ex );
}
try {
this.unbindService( serviceConnection );
}
catch ( IllegalArgumentException ex ) {
WigleAndroid.info( "serviceConnection not registered: " + ex );
}
if ( tts != null ) {
tts.shutdown();
}
super.finish();
}
/* Creates the menu items */
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuItem item = menu.add(0, MENU_EXIT, 0, "Exit");
item.setIcon( android.R.drawable.ic_menu_close_clear_cancel );
item = menu.add(0, MENU_SETTINGS, 0, "Settings");
item.setIcon( android.R.drawable.ic_menu_preferences );
return true;
}
/* Handles item selections */
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch ( item.getItemId() ) {
case MENU_SETTINGS:
info("settings");
Intent intent = new Intent( this, SettingsActivity.class );
this.startActivity( intent );
return true;
case MENU_EXIT:
// stop the service, so when we die it's both stopped and unbound and will die
Intent serviceIntent = new Intent( this, WigleService.class );
this.stopService( serviceIntent );
// call over to finish
finish();
// actually kill
//System.exit( 0 );
return true;
}
return false;
}
private void setupDatabase() {
// could be set by nonconfig retain
if ( dbHelper == null ) {
dbHelper = new DatabaseHelper( this );
dbHelper.open();
dbHelper.start();
}
dbHelper.checkDB();
}
private void setupList() {
final LayoutInflater mInflater = (LayoutInflater) getSystemService( Context.LAYOUT_INFLATER_SERVICE );
// may have been set by nonconfig retain
if ( listAdapter == null ) {
listAdapter = new ArrayAdapter<Network>( this, R.layout.row ) {
// @Override
// public boolean areAllItemsEnabled() {
// return false;
// }
//
// @Override
// public boolean isEnabled( int position ) {
// return false;
// }
@Override
public View getView( int position, View convertView, ViewGroup parent ) {
// long start = System.currentTimeMillis();
View row;
if ( null == convertView ) {
row = mInflater.inflate( R.layout.row, null );
}
else {
row = convertView;
}
Network network = getItem(position);
// info( "listing net: " + network.getBssid() );
ImageView ico = (ImageView) row.findViewById( R.id.wepicon );
switch ( network.getCrypto() ) {
case Network.CRYPTO_WEP:
ico.setImageResource( R.drawable.wep_ico );
break;
case Network.CRYPTO_WPA:
ico.setImageResource( R.drawable.wpa_ico );
break;
case Network.CRYPTO_NONE:
ico.setImageResource( R.drawable.no_ico );
break;
default:
throw new IllegalArgumentException( "unhanded crypto: " + network.getCrypto()
+ " in network: " + network );
}
TextView tv = (TextView) row.findViewById( R.id.ssid );
tv.setText( network.getSsid() );
tv = (TextView) row.findViewById( R.id.level_string );
int level = network.getLevel();
if ( level <= -90 ) {
tv.setTextColor( COLOR_5 );
}
else if ( level <= -80 ) {
tv.setTextColor( COLOR_4 );
}
else if ( level <= -70 ) {
tv.setTextColor( COLOR_3 );
}
else if ( level <= -60 ) {
tv.setTextColor( COLOR_2 );
}
else {
tv.setTextColor( COLOR_1 );
}
tv.setText( Integer.toString( level ) );
tv = (TextView) row.findViewById( R.id.detail );
String det = network.getDetail();
tv.setText( det );
// status( position + " view done. ms: " + (System.currentTimeMillis() - start ) );
return row;
}
};
}
ListView listView = (ListView) findViewById( R.id.ListView01 );
listView.setAdapter( listAdapter );
}
private void setupWifi() {
final WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
if ( ! wifiManager.isWifiEnabled() ) {
// just turn it on
wifiManager.setWifiEnabled( true );
}
// wifi scan listener
wifiReceiver = new BroadcastReceiver(){
public void onReceive( Context context, Intent intent ){
long start = System.currentTimeMillis();
List<ScanResult> results = wifiManager.getScanResults(); // Returns a <list> of scanResults
SharedPreferences prefs = WigleAndroid.this.getSharedPreferences( SHARED_PREFS, 0);
long period = prefs.getLong( PREF_SCAN_PERIOD, 1000L );
if ( period < 1000L ) {
// under a second is hard to hit, treat as "continuous", so request scan in here
wifiManager.startScan();
}
boolean showCurrent = prefs.getBoolean( PREF_SHOW_CURRENT, true );
if ( showCurrent ) {
listAdapter.clear();
}
int preQueueSize = dbHelper.getQueueSize();
CacheMap<String,Network> networkCache = getNetworkCache();
boolean somethingAdded = false;
for ( ScanResult result : results ) {
Network network = networkCache.get( result.BSSID );
if ( network == null ) {
network = new Network( result );
networkCache.put( network.getBssid(), network );
}
else {
// cache hit, just set the level
network.setLevel( result.level );
}
boolean added = runNetworks.add( result.BSSID );
somethingAdded |= added;
// if we're showing current, or this was just added, put on the list
if ( showCurrent || added ) {
listAdapter.add( network );
// load test
// for ( int i = 0; i< 10; i++) {
// listAdapter.add( network );
// }
}
else {
// not showing current, and not a new thing, go find the network and update the level
// this is O(n), ohwell, that's why showCurrent is the default config.
for ( int index = 0; index < listAdapter.getCount(); index++ ) {
Network testNet = listAdapter.getItem(index);
if ( testNet.getBssid().equals( network.getBssid() ) ) {
testNet.setLevel( result.level );
}
}
}
if ( location != null && dbHelper != null ) {
dbHelper.addObservation( network, location );
}
}
if ( somethingAdded && ! isMuted() ) {
boolean play = prefs.getBoolean( PREF_FOUND_SOUND, true );
if ( play ) {
// play sound on something new
soundPop.start();
}
}
// sort by signal strength
listAdapter.sort( signalCompare );
// update stat
TextView tv = (TextView) findViewById( R.id.stats );
StringBuilder builder = new StringBuilder( 40 );
builder.append( "Run: " ).append( runNetworks.size() );
builder.append( " New: " ).append( dbHelper.getNewNetworkCount() );
builder.append( " DB: " ).append( dbHelper.getNetworkCount() );
builder.append( " Locs: " ).append( dbHelper.getLocationCount() );
savedStats = builder.toString();
tv.setText( savedStats );
// WigleAndroid.info( savedStats );
// notify
listAdapter.notifyDataSetChanged();
scanCount++;
long now = System.currentTimeMillis();
status( results.size() + " scanned in " + (now - start) + "ms. DB Queue: " + preQueueSize );
long speechPeriod = prefs.getLong( PREF_SPEECH_PERIOD, DEFAULT_SPEECH_PERIOD );
if ( speechPeriod != 0 && now - previousTalkTime > speechPeriod * 1000L ) {
String gps = "";
if ( location == null ) {
gps = ", no gps fix";
}
speak("run " + runNetworks.size() + ", new " + dbHelper.getNewNetworkCount() + gps );
previousTalkTime = now;
}
}
};
// register
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction (WifiManager.SCAN_RESULTS_AVAILABLE_ACTION);
this.registerReceiver( wifiReceiver, intentFilter );
// WifiLock wifiLock = wifiManager.createWifiLock( WIFI_LOCK_NAME );
// wifiLock.acquire();
// might not be null on a nonconfig retain
if ( wifiTimer == null ) {
wifiTimer = new Handler();
final SharedPreferences prefs = this.getSharedPreferences( SHARED_PREFS, 0);
Runnable mUpdateTimeTask = new Runnable() {
public void run() {
// make sure the app isn't trying to finish
if ( ! finishing.get() ) {
// info( "timer start scan" );
wifiManager.startScan();
long period = prefs.getLong( PREF_SCAN_PERIOD, 1000L);
// WigleAndroid.info("wifitimer: " + period );
wifiTimer.postDelayed( this, period );
}
else {
info( "finishing timer" );
}
}
};
wifiTimer.removeCallbacks(mUpdateTimeTask);
wifiTimer.postDelayed(mUpdateTimeTask, 100);
// starts scan, sends event when done
boolean scanOK = wifiManager.startScan();
info( "startup finished. wifi scanOK: " + scanOK );
}
}
private void speak( String string ) {
if ( ! isMuted() && tts != null ) {
tts.speak( string );
}
}
private void setupLocation() {
// set on UI if we already have one
setLocationUI( this, location );
final LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
gpsStatusListener = new Listener(){
public void onGpsStatusChanged( int event ) {
gpsStatus = locationManager.getGpsStatus( gpsStatus );
int satCount = 0;
for ( GpsSatellite sat : gpsStatus.getSatellites() ) {
if ( sat.usedInFix() ) {
satCount++;
}
}
// info( "sats: " + satCount + " event: " + event );
if ( location == null ) {
// set so we see sat count
setLocationUI( WigleAndroid.this, location );
}
else if ( GPS_PROVIDER.equals( location.getProvider() ) ) {
long age = System.currentTimeMillis() - location.getTime();
if ( satCount < 3 ) {
if ( satCountLowTime == null ) {
satCountLowTime = System.currentTimeMillis();
}
}
else {
// plenty of sats
satCountLowTime = null;
}
// info( "gps age: " + age );
if ( age > GPS_TIMEOUT ||
(satCountLowTime != null && (System.currentTimeMillis() - satCountLowTime) > GPS_TIMEOUT) ) {
info( "nulling location. age: " + age );
location = null;
setLocationUI( WigleAndroid.this, location );
SharedPreferences prefs = WigleAndroid.this.getSharedPreferences( SHARED_PREFS, 0);
boolean speechGPS = prefs.getBoolean( PREF_SPEECH_GPS, true );
if ( speechGPS ) {
speak( "gps fix lost" );
}
}
}
}
};
locationManager.addGpsStatusListener( gpsStatusListener );
List<String> providers = locationManager.getAllProviders();
locationListener = new LocationListener(){
public void onLocationChanged( Location newLocation ) {
// info("newlocation: " + newLocation);
if ( location == null ) {
// see if there's a new status to go along with this
gpsStatus = locationManager.getGpsStatus( gpsStatus );
SharedPreferences prefs = WigleAndroid.this.getSharedPreferences( SHARED_PREFS, 0);
boolean speechGPS = prefs.getBoolean( PREF_SPEECH_GPS, true );
if ( speechGPS ) {
speak( "now have gps fix" );
}
}
location = newLocation;
setLocationUI( WigleAndroid.this, location );
}
public void onProviderDisabled( String provider ) {}
public void onProviderEnabled( String provider ) {}
public void onStatusChanged( String provider, int status, Bundle extras ) {}
};
for ( String provider : providers ) {
info( "provider: " + provider );
locationManager.requestLocationUpdates( provider, 1000L, 0, locationListener );
}
}
private void setLocationUI( Activity activity, Location location ) {
if ( gpsStatus != null ) {
int satCount = 0;
for ( GpsSatellite sat : gpsStatus.getSatellites() ) {
if ( sat.usedInFix() ) {
satCount++;
}
}
TextView tv = (TextView) activity.findViewById( R.id.LocationTextView06 );
tv.setText( "Sats: " + satCount );
}
TextView tv = (TextView) activity.findViewById( R.id.LocationTextView01 );
tv.setText( "Lat: " + (location == null ? " (Waiting for GPS sync..)"
: numberFormat8.format( location.getLatitude() ) ) );
tv = (TextView) activity.findViewById( R.id.LocationTextView02 );
tv.setText( "Lon: " + (location == null ? "" : numberFormat8.format( location.getLongitude() ) ) );
tv = (TextView) activity.findViewById( R.id.LocationTextView03 );
tv.setText( "Speed: " + (location == null ? "" : numberFormat1.format( location.getSpeed() * 2.23693629f ) + "mph" ) );
tv = (TextView) activity.findViewById( R.id.LocationTextView04 );
tv.setText( location == null ? "" : ("+/- " + numberFormat1.format( location.getAccuracy() ) + "m") );
tv = (TextView) activity.findViewById( R.id.LocationTextView05 );
tv.setText( location == null ? "" : ("Alt: " + numberFormat1.format( location.getAltitude() ) + "m") );
}
private void setupUploadButton() {
Button button = (Button) findViewById( R.id.upload_button );
button.setOnClickListener( new OnClickListener() {
public void onClick( View view ) {
uploadFile( WigleAndroid.this, dbHelper );
}
});
}
private void setupService() {
Intent serviceIntent = new Intent( this, WigleService.class );
// could be set by nonconfig retain
if ( serviceConnection == null ) {
ComponentName compName = startService( serviceIntent );
if ( compName == null ) {
WigleAndroid.error( "startService() failed!" );
}
else {
WigleAndroid.info( "service started ok: " + compName );
}
serviceConnection = new ServiceConnection(){
public void onServiceConnected( ComponentName name, IBinder iBinder) {
WigleAndroid.info( name + " service connected" );
}
public void onServiceDisconnected( ComponentName name ) {
WigleAndroid.info( name + " service disconnected" );
}
};
}
int flags = 0;
this.bindService(serviceIntent, serviceConnection, flags);
}
private void setupSound() {
// could have been retained
if ( soundPop == null ) {
soundPop = MediaPlayer.create( this, R.raw.pop );
}
audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE);
if ( TTS.hasTTS() ) {
tts = new TTS( this );
}
final Button mute = (Button) this.findViewById(R.id.mute);
final SharedPreferences prefs = this.getSharedPreferences(SHARED_PREFS, 0);
boolean muted = prefs.getBoolean(PREF_MUTED, false);
if ( muted ) {
mute.setText("Play");
}
mute.setOnClickListener(new OnClickListener(){
public void onClick( View buttonView ) {
boolean muted = prefs.getBoolean(PREF_MUTED, false);
muted = ! muted;
Editor editor = prefs.edit();
editor.putBoolean( PREF_MUTED, muted );
editor.commit();
if ( muted ) {
mute.setText("Play");
}
else {
mute.setText("Mute");
}
}
});
}
@SuppressWarnings("unused")
private boolean isRingerOn() {
boolean retval = false;
if ( audioManager != null ) {
retval = audioManager.getRingerMode() == AudioManager.RINGER_MODE_NORMAL;
}
return retval;
}
private boolean isMuted() {
boolean retval = this.getSharedPreferences(SHARED_PREFS, 0).getBoolean(PREF_MUTED, false);
// info( "ismuted: " + retval );
return retval;
}
private static void uploadFile( Context context, DatabaseHelper dbHelper ){
info( "upload file" );
FileUploaderTask task = new FileUploaderTask( context, dbHelper );
task.start();
}
private void status( String status ) {
// info( status );
TextView tv = (TextView) findViewById( R.id.status );
tv.setText( status );
}
public static void sleep( long sleep ) {
try {
Thread.sleep( sleep );
}
catch ( InterruptedException ex ) {
// no worries
}
}
public static void info( String value ) {
Log.i( LOG_TAG, Thread.currentThread().getName() + "] " + value );
}
public static void error( String value ) {
Log.e( LOG_TAG, Thread.currentThread().getName() + "] " + value );
}
/**
* get the per-thread network LRU cache
* @return per-thread network cache
*/
public static CacheMap<String,Network> getNetworkCache() {
return networkCache.get();
}
public static void writeError( Thread thread, Throwable throwable ) {
try {
String error = "Thread: " + thread + " throwable: " + throwable;
error( error );
if ( hasSD() ) {
File file = new File( Environment.getExternalStorageDirectory().getCanonicalPath() + "/wiglewifi/" );
file.mkdirs();
file = new File(Environment.getExternalStorageDirectory().getCanonicalPath()
+ "/wiglewifi/errorstack_" + System.currentTimeMillis() + ".txt" );
if ( ! file.exists() ) {
file.createNewFile();
}
FileOutputStream fos = new FileOutputStream( file );
fos.write( error.getBytes( ENCODING ) );
throwable.printStackTrace( new PrintStream( fos ) );
fos.close();
}
}
catch ( Exception ex ) {
error( "error logging error: " + ex );
ex.printStackTrace();
}
}
public static boolean hasSD() {
File sdCard = null;
try {
sdCard = new File( Environment.getExternalStorageDirectory().getCanonicalPath() + "/" );
}
catch ( IOException ex ) {
// ohwell
}
return sdCard != null && sdCard.exists() && sdCard.isDirectory() && sdCard.canRead() && sdCard.canWrite();
}
}