@Override
protected void onCreate(Bundle icicle) {
Log.i(TAG, "onCreate()... intent = " + getIntent());
super.onCreate(icicle);
// Watch out: the intent action we get here should always be
// ACTION_CALL_EMERGENCY, since the whole point of this activity
// is for it to be launched using the same intent originally
// passed to the InCallScreen, which will always be
// ACTION_CALL_EMERGENCY when making an emergency call.
//
// If we ever get launched with any other action, especially if it's
// "com.android.phone.InCallScreen.UNDEFINED" (as in bug 3094858), that
// almost certainly indicates a logic bug in the InCallScreen.
if (!Intent.ACTION_CALL_EMERGENCY.equals(getIntent().getAction())) {
Log.w(
TAG,
"Unexpected intent action! Should be ACTION_CALL_EMERGENCY, "
+ "but instead got: "
+ getIntent().getAction());
}
// 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);
// The Intent we're going to fire off to retry the call is the
// same one that got us here (except that we *don't* explicitly
// specify this class as the component!)
eci.intent = getIntent().setComponent(null);
// And we'll be firing this Intent from the PhoneApp's context
// (see the startActivity() calls above) so the
// FLAG_ACTIVITY_NEW_TASK flag is required.
eci.intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
if (DBG) Log.d(TAG, "- initial eci.intent: " + eci.intent);
// 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);
int sub = PhoneApp.getInstance().getVoiceSubscriptionInService();
eci.intent.putExtra(SUBSCRIPTION, sub);
Log.d(TAG, "Attempting emergency call on sub :" + sub);
// 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) {
if (DBG) Log.d(TAG, "Turning off airplane mode...");
// 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 {
if (DBG) Log.d(TAG, "Manually powering radio on...");
phone.setRadioPower(true);
}
} else {
// decrement and store the number of retries.
if (DBG) Log.d(TAG, "Retry attempt... retryCount = " + retryCount);
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();
}
