android 反射获取sim卡json

以下是获取 SIM 卡信息的示例代码，将其转换为 JSON 格式：

import android.content.Context;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.List;

public class SimCardUtils {
    public static JSONObject getSimCardInfo(Context context) throws JSONException {
        TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        SubscriptionManager subscriptionManager = (SubscriptionManager) context.getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
        JSONArray jsonArray = new JSONArray();
        List<SubscriptionInfo> subscriptionInfoList = subscriptionManager.getActiveSubscriptionInfoList();
        if (subscriptionInfoList != null) {
            for (SubscriptionInfo subscriptionInfo : subscriptionInfoList) {
                JSONObject jsonObject = new JSONObject();
                jsonObject.put("simSerialNumber", subscriptionInfo.getIccId());
                jsonObject.put("carrierName", subscriptionInfo.getCarrierName().toString());
                jsonObject.put("countryIso", subscriptionInfo.getCountryIso());
                jsonObject.put("displayName", subscriptionInfo.getDisplayName().toString());
                jsonObject.put("number", subscriptionInfo.getNumber());
                jsonObject.put("subscriberId", subscriptionInfo.getSubscriptionId());
                jsonObject.put("mcc", telephonyManager.getSimOperator(subscriptionInfo.getSubscriptionId()).substring(0, 3));
                jsonObject.put("mnc", telephonyManager.getSimOperator(subscriptionInfo.getSubscriptionId()).substring(3));
                jsonArray.put(jsonObject);
            }
        }
        JSONObject result = new JSONObject();
        result.put("simCards", jsonArray);
        return result;
    }
}

调用 `getSimCardInfo()` 方法即可获取 SIM 卡信息的 JSON 格式。注意需要在 AndroidManifest.xml 文件中声明读取 SIM 卡信息的权限：

<uses-permission android:name="android.permission.READ_PHONE_STATE" />