super.onCreate(icicle);
// setup the phone and get the retry count embedded in the intent.
Phone phone = PhoneFactory.getDefaultPhone();
int retryCount = getIntent().getIntExtra(EMERGENCY_CALL_RETRY_KEY, INITIAL_ATTEMPT);
// create a new message object.
EmergencyCallInfo eci = new EmergencyCallInfo();
eci.phone = phone;
eci.app = getApplication();
eci.dialog = constructDialog(retryCount);
eci.intent = getIntent().setComponent(null);
// create the handler.
if (sHandler == null) {
sHandler = new EmergencyCallEventHandler();
}
// If this is the initial attempt, we need to register for a radio state
// change and turn the radio on. Otherwise, this is just a retry, and
// we simply wait the alloted time before sending the request to try
// the call again.
// Note: The radio logic ITSELF will try its best to put the emergency
// call through once the radio is turned on. The retry we have here
// is in case it fails; the current constants we have include making
// 6 attempts, with a 5 second delay between each.
if (retryCount == INITIAL_ATTEMPT) {
// place the number of pending retries in the intent.
eci.intent.putExtra(EMERGENCY_CALL_RETRY_KEY, NUMBER_OF_RETRIES);
// turn the radio on and listen for it to complete.
phone.registerForServiceStateChanged(sHandler,
EVENT_SERVICE_STATE_CHANGED, eci);
// If airplane mode is on, we turn it off the same way that the
// Settings activity turns it off.
if (Settings.System.getInt(getContentResolver(),
Settings.System.AIRPLANE_MODE_ON, 0) > 0) {
// Change the system setting
Settings.System.putInt(getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
// Post the intent
Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
intent.putExtra("state", false);
sendBroadcast(intent);
// Otherwise, for some strange reason the radio is just off, so
// we just turn it back on.
} else {
phone.setRadioPower(true);
}
} else {
// decrement and store the number of retries.
eci.intent.putExtra(EMERGENCY_CALL_RETRY_KEY, (retryCount - 1));
// get the message and attach the data, then wait the alloted
// time and send.
Message m = sHandler.obtainMessage(EVENT_TIMEOUT_EMERGENCY_CALL);
m.obj = eci;
sHandler.sendMessageDelayed(m, TIME_BETWEEN_RETRIES_MS);
}
finish();
