MainActivity.java 文件源码

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP_MR1)
private void sendSms(final int which,String phone,String context) {
    SubscriptionInfo sInfo = null;

    final SubscriptionManager sManager = (SubscriptionManager) getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);

    List<SubscriptionInfo> list = sManager.getActiveSubscriptionInfoList();

    if (list.size() == 2) {
        // 双卡
        sInfo = list.get(which);
    } else {
        // 单卡
        sInfo = list.get(0);
    }

    if (sInfo != null) {
        int subId = sInfo.getSubscriptionId();
        SmsManager manager = SmsManager.getSmsManagerForSubscriptionId(subId);

        if (!TextUtils.isEmpty(phone)) {
            ArrayList<String> messageList =manager.divideMessage(context);
            for(String text:messageList){
                manager.sendTextMessage(phone, null, text, null, null);
            }
            Toast.makeText(this, "信息正在发送，请稍候", Toast.LENGTH_SHORT)
                    .show();
        } else {
            Toast.makeText(this, "无法正确的获取SIM卡信息，请稍候重试",
                    Toast.LENGTH_SHORT).show();
        }
    }
}