private SmsManager getSmsManagerFor(int subscriptionId) {
if (Build.VERSION.SDK_INT >= 22 && subscriptionId != -1) {
return SmsManager.getSmsManagerForSubscriptionId(subscriptionId);
} else {
return SmsManager.getDefault();
}
}
private OmtpMessageSender getMessageSender() {
if (mCarrierConfig == null) {
Log.w(TAG, "Empty carrier config.");
return null;
}
int applicationPort = mCarrierConfig.getInt(CarrierConfigManager.KEY_VVM_PORT_NUMBER_INT, 0);
String destinationNumber =
mCarrierConfig.getString(CarrierConfigManager.KEY_VVM_DESTINATION_NUMBER_STRING);
if (TextUtils.isEmpty(destinationNumber)) {
Log.w(TAG, "No destination number for this carrier.");
return null;
}
OmtpMessageSender messageSender = null;
SmsManager smsManager = SmsManager.getSmsManagerForSubscriptionId(mSubId);
switch (mVvmType) {
case TelephonyManager.VVM_TYPE_OMTP:
messageSender =
new OmtpStandardMessageSender(
smsManager,
(short) applicationPort,
destinationNumber,
null,
OmtpConstants.PROTOCOL_VERSION1_1,
null);
break;
case TelephonyManager.VVM_TYPE_CVVM:
messageSender =
new OmtpCvvmMessageSender(smsManager, (short) applicationPort, destinationNumber);
break;
default:
Log.w(TAG, "Unexpected visual voicemail type: " + mVvmType);
}
return messageSender;
}