[Android]Send SMS dual sim

//If you're targeting API 22 or higher. You can use the following code to get the list of SIM Cards. You can also allow user to choose the SIM Card:

final ArrayList<Integer> simCardList = new ArrayList<>();
SubscriptionManager subscriptionManager;
subscriptionManager = SubscriptionManager.from(activity);
final List<SubscriptionInfo> subscriptionInfoList = subscriptionManager
                    .getActiveSubscriptionInfoList();
for (SubscriptionInfo subscriptionInfo : subscriptionInfoList) {
    int subscriptionId = subscriptionInfo.getSubscriptionId();
    simCardList.add(subscriptionId);
}
//Finally send the SMS using following code:

int smsToSendFrom = simCardList.get(0); //assign your desired sim to send sms, or user selected choice
SmsManager.getSmsManagerForSubscriptionId(smsToSendFrom).sendTextMessage(phoneNumber, null, msg, null, null); //use your phone number, message and pending intents