8.1 8321平台修改WIFI_ONLY总结

1. 按照alps\vendor\mediatek\release_note\MT8321\ReleaseNote_for_MT8321_alps-mp-o1.mp2.xlsx文档要求修改
2. 第一步完成之后。会出现com.andoid.phone报错，进行GMS测试的时候也会测试中断，修改方法如下：

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frameworks/base/telephony/java/android/telephony/ServiceState.java

protected void setFromNotifierBundle(Bundle m) {
         if(m == null) return; //add chenhao
         mVoiceRegState = m.getInt("voiceRegState");
         mDataRegState = m.getInt("dataRegState");
         mVoiceRoamingType = m.getInt("voiceRoamingType");

frameworks/opt/telephony/src/java/com/android/internal/telephony/CarrierServiceBindHelper.java

void updateForPhoneId(int phoneId, String simState) {
        log("update binding for phoneId: " + phoneId + " simState: " + simState);
        if (!SubscriptionManager.isValidPhoneId(phoneId)) {
            return;
        }
         //add chenhao
        int numPhones = TelephonyManager.from(mContext).getPhoneCount();
        if (numPhones == 0) return;
        //end

vendor/mediatek/proprietary/packages/services/Telephony/src/com/android/phone/CarrierConfigLoader.java

public void handleMessage(Message msg) {
            int phoneId = msg.arg1;
            log("mHandler: " + msg.what + " phoneId: " + phoneId);
            String iccid;
            CarrierIdentifier carrierId;
            String carrierPackageName;
            CarrierServiceConnection conn;
            PersistableBundle config;
            int numPhones ;//add chenhao
            switch (msg.what) {
                case EVENT_CLEAR_CONFIG:

                    /* Ignore clear configuration request if device is being shutdown. */
                    Phone phone = PhoneFactory.getPhone(phoneId);
                    if (phone != null) {
                        if (phone.isShuttingDown()) {
                            break;
                        }
                    }
                    //add chenhao
                    /*if (mConfigFromDefaultApp[phoneId] == null &&
                        mConfigFromCarrierApp[phoneId] == null)
                        break;*/
                    ///M: No need clear config in wifi only project
                    numPhones= TelephonyManager.from(mContext).getPhoneCount();
                    if (numPhones ==0 || (mConfigFromDefaultApp[phoneId] == null
                            && mConfigFromCarrierApp[phoneId] == null)) break;
                    //end

                    mConfigFromDefaultApp[phoneId] = null;
                    mConfigFromCarrierApp[phoneId] = null;
                    mServiceConnection[phoneId] = null;
                    broadcastConfigChangedIntent(phoneId);
                    break;

 case EVENT_PACKAGE_CHANGED:
                    carrierPackageName = (String) msg.obj;
                    // Only update if there are cached config removed to avoid updating config
                    // for unrelated packages.
                    if (clearCachedConfigForPackage(carrierPackageName)) {
                    //chenhao add 
                    //int numPhones = TelephonyManager.from(mContext).getPhoneCount();
                    numPhones = TelephonyManager.from(mContext).getPhoneCount();
                    //chenhao end
                        for (int i = 0; i < numPhones; ++i) {
                            updateConfigForPhoneId(i);
                        }
                    }
                    break;

 PersistableBundle getConfigForSubId(int subId) {
        try {
            mContext.enforceCallingOrSelfPermission(READ_PRIVILEGED_PHONE_STATE, null);
            // SKIP checking run-time READ_PHONE_STATE since using PRIVILEGED
        } catch (SecurityException e) {
            mContext.enforceCallingOrSelfPermission(READ_PHONE_STATE, null);
        }
        int phoneId = SubscriptionManager.getPhoneId(subId);
        PersistableBundle retConfig = CarrierConfigManager.getDefaultConfig();
        // add chenhao
        int numPhones = TelephonyManager.from(mContext).getPhoneCount();
        //if (SubscriptionManager.isValidPhoneId(phoneId)) {
        if (numPhones > 0 &&
                SubscriptionManager.isValidPhoneId(phoneId)) {
                //chenhao
            PersistableBundle config = mConfigFromDefaultApp[phoneId];
            if (config != null)
                retConfig.putAll(config);
            config = mConfigFromCarrierApp[phoneId];
            if (config != null)
                retConfig.putAll(config);
        }
        return retConfig;
    }

vendor/mediatek/proprietary/frameworks/opt/telephony/src/java/com/mediatek/internal/telephony/MtkRIL.java

public IMtkRilOp getRilOp()直接return null即可。

3.注意不能删除联系人 会出现GMS ==FAIL项