MainActivity.java 文件源码

@Override
public void onResume(){
    super.onResume();

    // Wifi broadcast Receiver
    wifiReceiver = new WifiReceiver();
    registerReceiver(wifiReceiver, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
    wifiManager.startScan();

    // Location Manager and Listener
    if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER))
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, minimumSeconds * 1000, minimumDistance, locationListener);

    // Telephony Manager and Listener
    wakeLock.acquire();
    telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CELL_LOCATION |
                PhoneStateListener.LISTEN_DATA_ACTIVITY | PhoneStateListener.LISTEN_DATA_CONNECTION_STATE |
                PhoneStateListener.LISTEN_SERVICE_STATE | PhoneStateListener.LISTEN_SIGNAL_STRENGTHS
                | PhoneStateListener.LISTEN_CALL_STATE);
    // Phone and SIM information are static, i.e. not updated regularly but only here
    updatePhoneSimInfo();
}