/**
* this function determines if the specific shimmer device is connected to the shimmer service. It
* has it's own function because the fucntionality gets used so many times
*
* @return
*/
private boolean isDeviceConnected() {
if (serviceshim != null) {
// if the user returns from the Bluetooth finder then we will have the btAddress
// of the device already and we can set the radio button without having to create
// a list of the connected shimmer devices through the hashMapShimmer
if (btAddress != "" && serviceshim.isDeviceConnected(btAddress)) return true;
else {
HashMap<String, Object> temp = serviceshim.hashMapShimmer;
Collection<Object> shimmers = temp.values();
Iterator<Object> iterator = shimmers.iterator();
while (iterator.hasNext()) {
Shimmer sTemp = (Shimmer) iterator.next();
int sensor = sTemp.getEnabledSensors();
if ((sensor == Shimmer.SENSOR_ECG && deviceid == ECG_DEVICE)
|| (sensor == Shimmer.SENSOR_EMG && deviceid == EMG_DEVICE)
|| (sensor == Shimmer.SENSOR_GSR && deviceid == GSR_DEVICE)) {
btAddress = sTemp.getBluetoothAddress();
return true;
}
// TODO: add section for EEG device
} // end while loop
} // end else statement
} // end if serviceshim not null
return false;
} // end function isDevicConnected()
