SubscriptionManager.java 文件源码

private int getDefaultVoiceSubscriptionSimSlot() {
    try {
        final TelecomManager telecomManager =
                (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
        final TelephonyManager telephonyManager =
                (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
        PhoneAccountHandle pah = (PhoneAccountHandle) XposedHelpers.callMethod(telecomManager,
                "getUserSelectedOutgoingPhoneAccount");
        if (pah != null) {
            PhoneAccount pa = telecomManager.getPhoneAccount(pah);
            int subId = getSubIdForPhoneAccount(telephonyManager, pa);
            SubscriptionInfo si = mSubMgr.getActiveSubscriptionInfo(subId);
            if (si != null) {
                return si.getSimSlotIndex();
            }
        }
        return -1;
    } catch (Throwable t) {
        XposedBridge.log(t);
        return -1;
    }
}