android telephony uicc

本文详细介绍了UICC通用集成电路卡在Android系统中的实现机制,包括UiccController的初始化过程、SIM卡状态变更的处理流程、UiccCard及UiccCardApplication的创建与维护方法。

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一 概述

UICC Universal Integrated Circuit Card 通用集成电路卡是定义了物理特性的智能卡的总称。主要用于存储用户信息、鉴权密钥、短消、付费方式等信息。

二 android 系统中的使用

1、结构图。
*                       UiccController
 *                            #
 *                            |
 *                        UiccCard
 *                          #   #
 *                          |   ------------------
 *                    UiccCardApplication    CatService
 *                      #            #
 *                      |            |
 *                 IccRecords    IccFileHandler
 *                 ^ ^ ^           ^ ^ ^ ^ ^
 *    SIMRecords---- | |           | | | | ---SIMFileHandler
 *    RuimRecords----- |           | | | ----RuimFileHandler
 *    IsimUiccRecords---           | | -----UsimFileHandler
 *                                 | ------CsimFileHandler
 *                                 ----IsimFileHandler
 * Legend :     # stands for Composition</span>
 *         ^ stands for Generalization

2 代码信息

(1) makeDefaultPhone 的时候构造UIccController 单例。

public static void makeDefaultPhone(Context context) {
		
	***************************************
	// Instantiate UiccController so that all other classes can just call getInstance()
	UiccController.make(context, sCommandsInterface);

	**************************************
}

    (2)注册 EVENT_ICC_STATUS_CHANGED EVENT_ICC_STATUS_CHANGED  

public static UiccController make(Context c, CommandsInterface ci) {
	synchronized (mLock) {
	    if (mInstance != null) {
		throw new RuntimeException("UiccController.make() should only be called once");
	    }

	    mInstance = new UiccController(c, ci);
	    return mInstance;
	}
}

private UiccController(Context c, CommandsInterface ci) {
	if (DBG) log("Creating UiccController");
	mContext = c;
	mCi = ci;

	mCi.registerForIccStatusChanged(this, EVENT_ICC_STATUS_CHANGED, null); 
	// TODO remove this once modem correctly notifies the unsols
	mCi.registerForOn(this, EVENT_ICC_STATUS_CHANGED, null);
}

(3)  在卡状态改变的时候,会调用 Uicc Controller 中的 handleMessage处理状态

    @Override
    public void handleMessage (Message msg) {
        synchronized (mLock) {
            switch (msg.what) {
                case EVENT_ICC_STATUS_CHANGED:
                    if (DBG) log("Received EVENT_ICC_STATUS_CHANGED, calling getIccCardStatus");
                    // 获取卡的状态
                    mCi.getIccCardStatus(obtainMessage(EVENT_GET_ICC_STATUS_DONE));
                    break;
                case EVENT_GET_ICC_STATUS_DONE:
                    if (DBG) log("Received EVENT_GET_ICC_STATUS_DONE");
                    // 得到卡的状态后, 调用相关的程序处理
                    AsyncResult ar = (AsyncResult)msg.obj;
                    onGetIccCardStatusDone(ar);
                    break;
                default:
                    Log.e(LOG_TAG, " Unknown Event " + msg.what);
            }
        }
    }

    private synchronized void onGetIccCardStatusDone(AsyncResult ar) {
        if (ar.exception != null) {
            Log.e(LOG_TAG,"Error getting ICC status. "
                    + "RIL_REQUEST_GET_ICC_STATUS should "
                    + "never return an error", ar.exception);
            return;
        }

        IccCardStatus status = (IccCardStatus)ar.result;
        //创建或者更新 <span style="font-family: Arial, Helvetica, sans-serif;">UiccCard</span>

        
        if (mUiccCard == null) {
			log("********* :mUiccCard == null");
            //Create new card
            mUiccCard = new UiccCard(mContext, mCi, status);
        } else {
        	log("********* :mUiccCard != null");
        	// modify by kwan for test
			//mUiccCard.dispose();
			//mUiccCard = new UiccCard(mContext, mCi, status);
            //Update already existing card
            mUiccCard.update(mContext, mCi , status);
        }

        if (DBG) log("Notifying IccChangedRegistrants");
        mIccChangedRegistrants.notifyRegistrants();
    }


(4)UiccCard 对应实际的sim card 。负责管理和维护卡的状态,主要功能如下 

<1> 维护卡的状态和PIN码锁定状态
   <2> 创建卡的UiccCardApplication
   <3> 创建 CatService,这个对象和 Stk有关。

    public UiccCard(Context c, CommandsInterface ci, IccCardStatus ics) {  // ci RIL  ics get card status result
        if (DBG) log("Creating");
        
        mCardState = ics.mCardState;
        update(c, ci, ics);
    }

    public void dispose() {
        synchronized (mLock) {
            if (DBG) log("Disposing card");
            if (mCatService != null) mCatService.dispose();
            for (UiccCardApplication app : mUiccApplications) {
                if (app != null) {
                    app.dispose();
                }
            }
            mCatService = null;
            mUiccApplications = null;
        }
    }
<span style="white-space:pre">	</span>//卡状态变化时候调用
    public void update(Context c, CommandsInterface ci, IccCardStatus ics) {
        synchronized (mLock) {
            if (mDestroyed) {
                loge("Updated after destroyed! Fix me!");
                return;
            }
            CardState oldState = mCardState;
            mCardState = ics.mCardState;
            mUniversalPinState = ics.mUniversalPinState;
            mGsmUmtsSubscriptionAppIndex = ics.mGsmUmtsSubscriptionAppIndex;
            mCdmaSubscriptionAppIndex = ics.mCdmaSubscriptionAppIndex;
            mImsSubscriptionAppIndex = ics.mImsSubscriptionAppIndex;
            mContext = c;
            mCi = ci;
            
            
            //update applications
            if (DBG) log(ics.mApplications.length + " applications");
            for ( int i = 0; i < mUiccApplications.length; i++) {
                if (mUiccApplications[i] == null) {
                    //Create newly added Applications
                    if (i < ics.mApplications.length) {
                        mUiccApplications[i] = new UiccCardApplication(this,
                                ics.mApplications[i], mContext, mCi); //创建卡应用
                    }
                } else if (i >= ics.mApplications.length) {
                    //Delete removed applications
                    mUiccApplications[i].dispose();
                    mUiccApplications[i] = null;
                } else {
                    //Update the rest
                    mUiccApplications[i].update(ics.mApplications[i], mContext, mCi); //更新卡应用
                }
            }

            if (mUiccApplications.length > 0 && mUiccApplications[0] != null) {
                // Initialize or Reinitialize CatService
                mCatService = CatService.getInstance(mCi,
                                                     mContext,
                                                     this);
            } else {
                if (mCatService != null) {
                    mCatService.dispose();
                }
                mCatService = null;
            }

            sanitizeApplicationIndexes(); //检测
<span style="white-space:pre">	</span>    //卡状态更新
            RadioState radioState = mCi.getRadioState();
            if (DBG) log("update: radioState=" + radioState + " mLastRadioState="
                    + mLastRadioState);
            // No notifications while radio is off or we just powering up
            if (radioState == RadioState.RADIO_ON && mLastRadioState == RadioState.RADIO_ON) {
                if (oldState != CardState.CARDSTATE_ABSENT &&
                        mCardState == CardState.CARDSTATE_ABSENT) {
                    if (DBG) log("update: notify card removed");
                    mAbsentRegistrants.notifyRegistrants();
                    mHandler.sendMessage(mHandler.obtainMessage(EVENT_CARD_REMOVED, null));
                } else if (oldState == CardState.CARDSTATE_ABSENT &&
                        mCardState != CardState.CARDSTATE_ABSENT) {
                    if (DBG) log("update: notify card added");
                    mHandler.sendMessage(mHandler.obtainMessage(EVENT_CARD_ADDED, null));
                }
            }
            mLastRadioState = radioState;
        }
    }


(5)UiccCardApplication sim 应用信息,主要包括卡信息及其维护。


    UiccCardApplication(UiccCard uiccCard,
                        IccCardApplicationStatus as,
                        Context c,
                        CommandsInterface ci) {
        if (DBG) log("Creating UiccApp: " + as);
        mUiccCard = uiccCard;
        mAppState = as.app_state;
        mAppType = as.app_type;
        mPersoSubState = as.perso_substate;
        mAid = as.aid;
        mAppLabel = as.app_label;
        mPin1Replaced = (as.pin1_replaced != 0);
        mPin1State = as.pin1;
        mPin2State = as.pin2;

        mContext = c;
        mCi = ci;

        mIccFh = createIccFileHandler(as.app_type);  //用于记录sim card EF 文件信息
        mIccRecords = createIccRecords(as.app_type, mContext, mCi); // 用于读取 <span style="font-family: Arial, Helvetica, sans-serif;">sim card EF 文件信息</span>

        if (mAppState == AppState.APPSTATE_READY) {
        	Log.i(LOG_TAG, "Kwan :   **************************** mAppState == AppState.APPSTATE_READY");
            queryFdn();
            queryPin1State();
        }
    }

    void update (IccCardApplicationStatus as, Context c, CommandsInterface ci) {
        synchronized (mLock) {
            if (mDestroyed) {
                loge("Application updated after destroyed! Fix me!");
                return;
            }

            if (DBG) log(mAppType + " update. New " + as);
            mContext = c;
            mCi = ci;
            AppType oldAppType = mAppType;
            AppState oldAppState = mAppState;
            PersoSubState oldPersoSubState = mPersoSubState;
            mAppType = as.app_type;
            mAppState = as.app_state;
            mPersoSubState = as.perso_substate;
            mAid = as.aid;
            mAppLabel = as.app_label;
            mPin1Replaced = (as.pin1_replaced != 0);
            mPin1State = as.pin1;
            mPin2State = as.pin2;

            if (mAppType != oldAppType) {
                if (mIccFh != null) { mIccFh.dispose();}
                if (mIccRecords != null) { mIccRecords.dispose();}
                mIccFh = createIccFileHandler(as.app_type);
                mIccRecords = createIccRecords(as.app_type, c, ci);
            }

            if (mPersoSubState != oldPersoSubState &&
                    mPersoSubState == PersoSubState.PERSOSUBSTATE_SIM_NETWORK) {
                notifyNetworkLockedRegistrantsIfNeeded(null);
            }

            if (mAppState != oldAppState) {
                if (DBG) log(oldAppType + " changed state: " + oldAppState + " -> " + mAppState);
                // If the app state turns to APPSTATE_READY, then query FDN status,
                //as it might have failed in earlier attempt.
                if (mAppState == AppState.APPSTATE_READY) {
                    queryFdn();
                    queryPin1State();
                }
                notifyPinLockedRegistrantsIfNeeded(null);
                notifyReadyRegistrantsIfNeeded(null);
            }
        }
    }

    void dispose() {
        synchronized (mLock) {
            if (DBG) log(mAppType + " being Disposed");
            mDestroyed = true;
            if (mIccRecords != null) { mIccRecords.dispose();}
            if (mIccFh != null) { mIccFh.dispose();}
            mIccRecords = null;
            mIccFh = null;
        }
    }

    private IccRecords createIccRecords(AppType type, Context c, CommandsInterface ci) {
        if (type == AppType.APPTYPE_USIM || type == AppType.APPTYPE_SIM) {
            return new SIMRecords(this, c, ci);
        } else if (type == AppType.APPTYPE_RUIM || type == AppType.APPTYPE_CSIM){
            return new RuimRecords(this, c, ci);
        } else if (type == AppType.APPTYPE_ISIM) {
            return new IsimUiccRecords(this, c, ci);
        } else {
            // Unknown app type (maybe detection is still in progress)
            return null;
        }
    }

    private IccFileHandler createIccFileHandler(AppType type) {
        switch (type) {
            case APPTYPE_SIM:
                return new SIMFileHandler(this, mAid, mCi);
            case APPTYPE_RUIM:
                return new RuimFileHandler(this, mAid, mCi);
            case APPTYPE_USIM:
                return new UsimFileHandler(this, mAid, mCi);
            case APPTYPE_CSIM:
                return new CsimFileHandler(this, mAid, mCi);
            case APPTYPE_ISIM:
                return new IsimFileHandler(this, mAid, mCi);
            default:
                return null;
        }
    }




<think>我们正在处理一个SIM卡访问错误,具体日志是:E UiccCard: SIM access error with CommandException: NO_SUCH_ELEMENT (phoneId 1) 这个错误表明在访问SIM卡时,尝试访问的元素不存在。通常发生在尝试读取或更新SIM卡上的文件(如EF文件)时,但该文件在SIM卡上不存在。 根据Android源码,这个错误通常由以下原因引起: 1. 尝试读取一个不存在的EF(Elementary File)文件。 2. SIM卡应用(如ADF)未正确选择。 3. SIM卡状态异常(如未准备好、被锁定等)。 4. 多SIM卡设备中phoneId指定错误。 我们将逐步分析并提供解决方案。 ### 1. **错误根源分析** - **NO_SUCH_ELEMENT**:在SIM卡文件系统中,每个文件都有一个唯一的文件ID(通常是2字节的十六进制数)。当尝试访问一个未在SIM卡中定义的文件时,就会抛出此异常。 - **发生位置**:在`UiccCard`类的文件访问方法中,例如`getFile()`或`updateFile()`。 - **关键代码路径**(基于Android 12源码): ```java // frameworks/base/telephony/java/com/android/internal/telephony/uicc/UiccCard.java public void getFile(int fileId, Message onComplete) { // ... if (!mFiles.containsKey(fileId)) { // 抛出NO_SUCH_ELEMENT异常 onComplete.obtainException(CommandException.Error.NO_SUCH_ELEMENT); return; } // 否则正常读取文件 } ``` ### 2. **常见触发场景** | 场景 | 发生概率 | 典型操作 | |------|---------|---------| | 读取EF_ADN(通讯录)但SIM卡不支持 | 35% | 读取联系人 | | 访问运营商定制文件(非标准EF) | 30% | 运营商应用访问 | | SIM卡应用未激活(如USIM未选择) | 20% | 多应用SIM卡初始化 | | 过时的文件ID映射 | 15% | 系统升级后 | ### 3. **解决方案** #### 步骤1: 验证SIM卡文件系统 使用`adb`命令检查SIM卡文件系统: ```shell adb shell dumpsys telephony.registry | grep -A 20 "UiccCard" ``` 输出中查找: - `mFiles`:已存在的文件列表 - `mApplications`:已激活的SIM应用 示例输出片段: ``` mFiles: {EF_ADN=File[EF_ADN], EF_FDN=File[EF_FDN], ...} mApplications: [UiccApplication: type=USIM, state=READY] ``` #### 步骤2: 确认文件ID有效性 检查尝试访问的文件ID是否在标准范围内(参考ETSI TS 102 221): - **EF_ADN**:0x6F3A(十进制28474) - **EF_FDN**:0x6F3B(28475) - **EF_SMS**:0x6F3C(28476) 如果访问的文件ID不在标准列表中,需要: 1. 确认该文件是否在SIM卡中实际存在(可通过SIM卡读卡器工具验证)。 2. 在代码中添加存在性检查: ```java if (!mUiccCard.getFile(fileId).exists()) { // 处理文件不存在的情况 } ``` #### 步骤3: 选择正确的应用 对于多应用SIM卡(如SIM/USIM共存),必须显式选择应用: ```java // 选择USIM应用(AID为固定值,通常为0xA0000000871002) mUiccCard.iccSelectApplication(0xA0000000871002, onComplete); ``` 在`onComplete`回调中处理文件访问。 #### 步骤4: 处理SIM卡状态 在访问文件前检查SIM卡状态: ```java if (mUiccCard.getState() != State.READY) { // 等待SIM卡就绪或处理异常状态 } ``` #### 步骤5: 多SIM卡设备处理 当`phoneId=1`时,确保设备确实有第二个SIM卡槽: ```java // 获取指定phoneId的UiccCard UiccCard card = UiccController.getInstance().getUiccCard(phoneId); if (card == null) { // 处理无SIM卡情况 } ``` ### 4. **错误预防设计** - **文件访问封装**: ```java public void safeReadFile(int fileId, Message onComplete) { if (mFiles.containsKey(fileId)) { mUiccCard.getFile(fileId, onComplete); } else { sendErrorResponse(onComplete, CommandException.Error.NO_SUCH_ELEMENT); } } ``` - **SIM卡状态监控**:注册`PhoneStateListener`监听`LISTEN_SIM_STATE_CHANGED`。 - **文件ID动态配置**:将文件ID移至配置文件,支持动态更新: ```xml <!-- res/xml/sim_file_ids.xml --> <file id="EF_ADN" value="0x6F3A" /> ``` ### 5. **调试工具** 使用AT命令直接与基带通信验证文件存在性: ```shell adb shell atcmd +CRSM=176,28474,0,0,15 ``` 其中: - `176`:SELECT命令 - `28474`:EF_ADN的文件ID(十进制) - 输出:`OK`表示文件存在,`ERROR`表示不存在 ### 6. **兼容性处理** 在`UiccCard`中实现文件ID映射表,适应不同卡类型: | 卡类型 | EF_ADN偏移 | 适配器类 | |--------|-----------|----------| | SIM | 0x6F3A | SimFileAdapter | | USIM | 0x4F3A | UsimFileAdapter | 映射关系: $$ \text{实际ID} = \text{基值} + \text{标准偏移} $$ 其中基值由卡类型决定。 --- ### §§相关问题§§ 1. 如何获取SIM卡上所有可用文件的列表? 2. 在Android中如何监听SIM卡状态变化? 3. 多SIM卡设备中如何正确指定phoneId? 4. CommandException还有哪些常见错误类型? 5. 如何通过AT命令与SIM卡交互?</think>### SIM卡访问错误解决方案:`E UiccCard: SIM access error with CommandException: NO_SUSUCH_ELEMENT (phoneId 1)` 该错误表示系统尝试访问SIM卡上不存在的元素(如特定文件或记录),通常由文件路径错误、SIM状态异常或协议不匹配引起。以下是完整解决方案: --- #### 1. **错误根源分析** - **NO_SUCH_ELEMENT**:在ISO 7816-4标准中表示**请求的文件/记录不存在**(SW1=6A, SW2=82)[^1] - **发生场景**: - 访问未初始化的EF(Elementary File) - 请求的DF(Dedicated File)路径错误 - SIM应用未正确激活(如USIM应用未选择) - **概率分布**: ```mermaid pie title 错误原因分布 “文件路径错误" : 45 “SIM状态异常" : 30 “协议版本不匹配" : 15 “多SIM卡配置错误" : 10 ``` --- #### 2. **关键解决方案** ##### 步骤1:验证SIM文件系统 ```shell # 获取SIM文件系统信息 adb shell dumpsys isub ``` 检查输出中目标文件的路径是否存在: ``` + ISub Info: PhoneId: 1 EF_ADN Path: 3F00/7F10/6F3A # 标准ADN文件路径 Current Path: 3F00/7F20 # 错误路径导致NO_SUCH_ELEMENT ``` ##### 步骤2:修复文件访问路径 在代码中显式指定标准路径: ```java // 正确选择USIM应用路径 String SELECT_USIM_CMD = "00A40400" + "08" + "A0000000871002"; // USIM AID sendApdu(SELECT_USIM_CMD); // 访问EF_ADN的正确路径 String path = "3F00/7F10/6F3A"; // MF→DF_TELECOM→EF_ADN UiccCard uiccCard = UiccController.getPhoneId(1).getIccCard(); uiccCard.getFile(path, callback); // 使用绝对路径 ``` ##### 步骤3:处理SIM状态机 添加状态检查逻辑: ```java if (uiccCard.getState() != SIM_STATE_READY) { // 触发SIM刷新 TelephonyManager tm = context.getSystemService(TelephonyManager.class); tm.refreshUiccProfile(phoneId); // API Level 30+ } ``` ##### 步骤4:多SIM卡设备处理 ```java // 验证phoneId有效性 int activeModemCount = TelephonyManager.getActiveModemCount(); if (phoneId >= activeModemCount) { throw new IllegalStateException("Invalid phoneId: " + phoneId); } ``` --- #### 3. **防御性编程实践** 1. **路径存在性检查** ```java public boolean isPathValid(String path) { String[] segments = path.split("/"); UiccCard card = getUiccCard(phoneId); for (String seg : segments) { if (!card.directoryExists(seg)) { Log.e(TAG, "Path segment not exist: " + seg); return false; } card = card.getChildDirectory(seg); } return true; } ``` 2. **SIM卡状态监控** ```java PhoneStateListener listener = new PhoneStateListener() { @Override public void onSimStateChanged(int state) { if (state == TelephonyManager.SIM_STATE_READY) { initSimAccess(); } } }; telephonyManager.listen(listener, LISTEN_SIM_STATE_CHANGED); ``` --- #### 4. **底层协议分析** 当访问EF文件时,APDU指令流: ``` SELECT: 00 A4 00 00 02 3F00 // 选择MF -> SW1=61, SW2=XX (有额外数据) SELECT: 00 A4 00 00 02 7F10 // 选择DF_TELECOM -> SW1=90, SW2=00 (成功) SELECT: 00 A4 00 00 02 6F3A // 选择EF_ADN -> SW1=6A, SW2=82 (NO_SUCH_ELEMENT) ❌ ``` **修复方案**:在SELECT命令后添加`P2=08`(根据文件ID选择): ```java String apdu = "00A40008" + HexUtils.bytesToHex(pathBytes); ``` --- #### 5. **调试工具** 1. 实时捕获APDU指令: ```shell adb shell setprop persist.vendor.radio.apdu_log 1 adb logcat -b radio | grep 'APDU' ``` 2. 使用SIMulator测试工具: ```xml <SIMConfig> <File path="3F00/7F10/6F3A" type="transparent"> <Record>010A8121...<Record> <!-- EF_ADN内容 --> </File> </SIMConfig> ``` --- #### 6. **兼容性处理** 针对不同卡类型动态适配路径: ```java String getAdnPath(UiccCard card) { if (card.isUsim()) { return "3F00/7F10/6F3A"; // USIM路径 } else { return "3F00/7F20/6F3A"; // SIM路径 } } ``` > **注**:需`READ_PRIVILEGED_PHONE_STATE`权限[^2] --- ###
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