Merge "Cleanup ServiceState.toString()"

        return rtString;

    }

    /**

     * Convert RIL Service State to String

     *

     * @param serviceState

     * @return String representation of the ServiceState

     *

     * @hide

     */

    public static String rilServiceStateToString(int serviceState) {

        switch(serviceState) {

            case STATE_IN_SERVICE:

                return "IN_SERVICE";

            case STATE_OUT_OF_SERVICE:

                return "OUT_OF_SERVICE";

            case STATE_EMERGENCY_ONLY:

                return "EMERGENCY_ONLY";

            case STATE_POWER_OFF:

                return "POWER_OFF";

            default:

                return "UNKNOWN";

        }

    }

    @Override

    public String toString() {

        String radioTechnology = rilRadioTechnologyToString(mRilVoiceRadioTechnology);

        String dataRadioTechnology = rilRadioTechnologyToString(mRilDataRadioTechnology);

        return (mVoiceRegState + " " + mDataRegState

                + " "

                + "voice " + getRoamingLogString(mVoiceRoamingType)

                + " "

                + "data " + getRoamingLogString(mDataRoamingType)

                + " " + mVoiceOperatorAlphaLong

                + " " + mVoiceOperatorAlphaShort

                + " " + mVoiceOperatorNumeric

                + " " + mDataOperatorAlphaLong

                + " " + mDataOperatorAlphaShort

                + " " + mDataOperatorNumeric

                + " " + (mIsManualNetworkSelection ? "(manual)" : "")

                + " " + radioTechnology

                + " " + dataRadioTechnology

                + " " + (mCssIndicator ? "CSS supported" : "CSS not supported")

                + " " + mNetworkId

                + " " + mSystemId

                + " RoamInd=" + mCdmaRoamingIndicator

                + " DefRoamInd=" + mCdmaDefaultRoamingIndicator

                + " EmergOnly=" + mIsEmergencyOnly

                + " IsDataRoamingFromRegistration=" + mIsDataRoamingFromRegistration

                + " IsUsingCarrierAggregation=" + mIsUsingCarrierAggregation

                + " mLteEarfcnRsrpBoost=" + mLteEarfcnRsrpBoost);

        return new StringBuilder().append("{mVoiceRegState=").append(mVoiceRegState)

            .append("(" + rilServiceStateToString(mVoiceRegState) + ")")

            .append(", mDataRegState=").append(mDataRegState)

            .append("(" + rilServiceStateToString(mDataRegState) + ")")

            .append(", mVoiceRoamingType=").append(getRoamingLogString(mVoiceRoamingType))

            .append(", mDataRoamingType=").append(getRoamingLogString(mDataRoamingType))

            .append(", mVoiceOperatorAlphaLong=").append(mVoiceOperatorAlphaLong)

            .append(", mVoiceOperatorAlphaShort=").append(mVoiceOperatorAlphaShort)

            .append(", mDataOperatorAlphaLong=").append(mDataOperatorAlphaLong)

            .append(", mDataOperatorAlphaShort=").append(mDataOperatorAlphaShort)

            .append(", isManualNetworkSelection=").append(mIsManualNetworkSelection)

            .append(mIsManualNetworkSelection ? "(manual)" : "(automatic)")

            .append(", mRilVoiceRadioTechnology=").append(mRilVoiceRadioTechnology)

            .append("(" + rilRadioTechnologyToString(mRilVoiceRadioTechnology) + ")")

            .append(", mRilDataRadioTechnology=").append(mRilDataRadioTechnology)

            .append("(" + rilRadioTechnologyToString(mRilDataRadioTechnology) + ")")

            .append(", mCssIndicator=").append(mCssIndicator ? "supported" : "unsupported")

            .append(", mNetworkId=").append(mNetworkId)

            .append(", mSystemId=").append(mSystemId)

            .append(", mCdmaRoamingIndicator=").append(mCdmaRoamingIndicator)

            .append(", mCdmaDefaultRoamingIndicator=").append(mCdmaDefaultRoamingIndicator)

            .append(", mIsEmergencyOnly=").append(mIsEmergencyOnly)

            .append(", mIsDataRoamingFromRegistration=").append(mIsDataRoamingFromRegistration)

            .append(", mIsUsingCarrierAggregation=").append(mIsUsingCarrierAggregation)

            .append(", mLteEarfcnRsrpBoost=").append(mLteEarfcnRsrpBoost)

            .append("}").toString();

    }

    private void setNullState(int state) {