@Override public void onCreate(android.os.Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.detect); listTypeSpinner = (Spinner) findViewById(R.id.detect_list_types); ArrayList<String> listType = new ArrayList<String>(); listType.add("GPS"); listType.add("WIFI"); ArrayAdapter<String> spinnerAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, listType); listTypeSpinner.setAdapter(spinnerAdapter); convertCheckbox = (CheckBox) findViewById(R.id.detect_convert); startLocalizeButton = (Button) findViewById(R.id.detect_start_localize_button); startLocalizeButton.setOnClickListener(this); stopLocalizeButton = (Button) findViewById(R.id.detect_stop_localize_button); stopLocalizeButton.setOnClickListener(this); locationNameText = (TextView) findViewById(R.id.detect_locationname); rootLocationText = (TextView) findViewById(R.id.detect_rootlocation); userNameText = (TextView) findViewById(R.id.detect_userName); calibrateText = (TextView) findViewById(R.id.detect_calibrateStatus); resultTimeText = (TextView) findViewById(R.id.detect_result_time); wifiDetector.setFrequency(1.0); wifiDetector.setServerHost(Prefs.getServerHost(getApplicationContext())); wifiDetector.setPort(Prefs.getDetectWifiPort(getApplicationContext())); wifiDetector.setDetectAtClient(false); wifiDetector.setConvert(false); wifiDetector.setConfidence(90); wifiDetector.addNewResultComingEventListener( new NewResultComingEventListener() { public void handleEvent(NewResultComingEvent nrce) { myHandler.post(updateUI); countInt += 1; lastGetResultTime = Calendar.getInstance().getTimeInMillis(); } }); gpsDetector.setServerHost(Prefs.getServerHost(getApplicationContext())); gpsDetector.setPort(Prefs.getDetectWifiPort(getApplicationContext())); gpsDetector.setConfidence(90); gpsDetector.addNewResultComingEventListener( new NewResultComingEventListener() { public void handleEvent(NewResultComingEvent nrce) { myHandler.post(updateUI); countInt += 1; lastGetResultTime = Calendar.getInstance().getTimeInMillis(); } }); };