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如何解决运行时错误 E/libc: Access denied 在 Android Studio 中找到属性“vendor.perf.gestureflingboost.enable”？

• 问答 
public class Mainactivity extends NfcExternalDetectoractivity {

    private static final String TAG = Mainactivity.class.getName();
    
    private NxpNfcLibLite libInstance = null;

    private TextView textView = null;

    private Nxpnfcliblitecallback mCallback = new Nxpnfcliblitecallback() {

        @Override
        public void onNewTagDetected(Tag tag) {
            Log.d(TAG,"-------------- onNewTagDetected ------");
        }

        @Override
        public void onUltraLightCardDetected(final IUltralight card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onUltraLightCCardDetected(final IUltralightC card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onUltraLightEV1CardDetected(final IUltralightEV1 card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onClassicCardDetected(final IMFClassic card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onClassicEV1CardDetected(final IMFClassicEV1 card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onDESFireCardDetected(final IDESFireEV1 card) {
            Log.i(TAG,card.getclass().getName() + " card detected");

            try {
                card.getReader().close();
                card.getReader().connect();

                desfireCardLogic(card);
            } catch (Throwable t) {
                Log.w(TAG,"Problem DesfireEV1 operations",t);
            }

        }

        @Override
        public void onPlusCardDetected(final IPlus card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onPlusSL1CardDetected(IPlusSL1 card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onICodeSLIDetected(final IICodeSLI card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onICodeSLILDetected(final IICodeSLIL card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onICodeSLISDetected(final IICodeSLIS card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onICodeSLIXDetected(final IICodeSLIX card) {
            Log.i(TAG,card.getclass().getName() + " card detected");

        }

        @Override
        public void onICodeSLIXLDetected(final IICodeSLIXL card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onICodeSLIXSDetected(final IICodeSLIXS card) {
            Log.i(TAG,card.getclass().getName() + " card card");
        }

        @Override
        public void onICodeSLIX2Detected(final IICodeSLIX2 card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onNTag203xCardDetected(final INTag203x card) {
            Log.i(TAG,card.getclass().getName() + " card detected");

        }

        @Override
        public void onNTag210CardDetected(final INTag210 card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onNTag213215216CardDetected(final INTag213215216 card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onNTag213F216FCardDetected(final INTag213F216F card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onNTagI2CCardDetected(final INTagI2C card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onNTagI2CplusCardDetected(final INTAGI2Cplus card) {
            Log.i(TAG,card.getclass().getName() + " card detected");
        }

        @Override
        public void onCardNotSupported(Tag tag) {
            Log.i(TAG,"Card NOT supported");
        }


    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        libInstance = NxpNfcLibLite.getInstance();
        libInstance.registeractivity(this);
        
        textView = (TextView) findViewById(R.id.text);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main,menu);
        return true;
    }

    public void clear(View view) {
        textView.setText("");
    }
    
    @Override
    public void onconfigurationChanged(Configuration newConfig) {
        super.onconfigurationChanged(newConfig);
    }
    
    @Override
    protected void onPause() {
        libInstance.stopForeGroundDispatch();
        super.onPause();
    }

    @Override
    protected void onResume() {
        libInstance.startForeGroundDispatch();
        super.onResume();
    }
    
    protected void onExternalNfcIntentDetected(Intent intent,String action) {
        // default to same as native NFC
        onNfcIntentDetected(intent,action);
    }
    
    @Override
    protected void onExternalNfcServiceStopped(Intent intent) {
        Log.d(TAG,"Service started");
    }

    @Override
    protected void onExternalNfcServiceStarted(Intent intent) {
        Log.d(TAG,"Service stopped");
    }

    @Override
    protected void onExternalNfcReaderOpened(Intent intent) {
        Log.d(TAG,"Reader open");
    }

    @Override
    protected void onExternalNfcReaderClosed(Intent intent) {
        if(intent.hasExtra(NfcReader.EXTRA_READER_STATUS_CODE)) {
            Log.d(TAG,"Disconnect status code " + intent.getIntExtra(NfcReader.EXTRA_READER_STATUS_CODE,-1));
        }

        if(intent.hasExtra(NfcReader.EXTRA_READER_STATUS_MESSAGE)) {
            Log.d(TAG,"Disconnect status message " + intent.getcharSequenceExtra(NfcReader.EXTRA_READER_STATUS_MESSAGE));
        }
    }

   /**
     * 
     * NFC feature was found and is currently enabled
     * 
     */
    
    @Override
    protected void onNfcStateEnabled() {
        toast(getString(R.string.nfcAvailableEnabled));
    }

    /**
     * 
     * NFC feature was found but is currently disabled
     * 
     */
    
    @Override
    protected void onNfcStateDisabled() {
        toast(getString(R.string.nfcAvailableDisabled));
    }

    /**
     * 
     * NFC setting changed since last check. For example,the user enabled NFC in the wireless settings.
     * 
     */
    
    @Override
    protected void onNfcStateChange(boolean enabled) {
        if(enabled) {
            toast(getString(R.string.nfcAvailableEnabled));
        } else {
            toast(getString(R.string.nfcAvailableDisabled));
        }
    }

    /**
     * 
     * This device does not have NFC hardware
     * 
     */
    
    @Override
    protected void onNfcFeatureNotFound() {
        toast(getString(R.string.noNfcMessage));
    }
    
    @Override
    protected void onNfcTagLost(Intent intent) {
        Log.d(TAG,"Tag lost");
    }
    
    protected void onExternalNfcTagLost(Intent intent) {
        // default to same as native NFC
        onNfcTagLost(intent);
    }
    
    @Override
    protected void onNfcIntentDetected(Intent intent,String action) {

        if(intent.hasExtra(NfcAdapter.EXTRA_TAG)) {
            Tag tag = (Tag)intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);

            try {
                Log.d(TAG,"Filter intent");
                libInstance.filterIntent(tag,mCallback);
            } catch (CloneDetectedException e) {
                Log.d(TAG,"Clone Detected",e);
            }

            try {
                String[] techList = tag.getTechList();

                for (String tech : techList) {
                    Log.d(TAG,"Tech " + tech);

                    if (tech.equals(android.nfc.tech.MifareUltralight.class.getName())) {
                        MifareUltralight mifareUltralight = MifareUltralight.get(tag);
                        if(mifareUltralight == null) {
                            throw new IllegalArgumentException("No Mifare Ultralight");
                        }
                        int type = mifareUltralight.getType();

                        Log.d(TAG,"Got MifareUltralight type " + type);
                    } else if (tech.equals(android.nfc.tech.NfcA.class.getName())) {
                        NfcA nfcA = NfcA.get(tag);
                        if(nfcA == null) {
                            throw new IllegalArgumentException("No NfcA");
                        }
                        byte[] atqa = nfcA.getatqa();
                        short sak = nfcA.getSak();

                        Log.d(TAG,"Got NfcA with ATQA " + toHexString(atqa) + " and sak " + Integer.toHexString(sak));
                    } else if (tech.equals(android.nfc.tech.NfcB.class.getName())) {
                        NfcB nfcB = NfcB.get(tag);
                        if(nfcB == null) {
                            throw new IllegalArgumentException("No NfcB");
                        }
                        byte[] applicationData = nfcB.getapplicationData();
                        byte[] protocolInfo = nfcB.getProtocolInfo();

                        Log.d(TAG,"Got NfcB with application data " + toHexString(applicationData) + " and protcol info " + toHexString(protocolInfo));
                    } else if (tech.equals(android.nfc.tech.NfcF.class.getName())) {
                        Log.d(TAG,"Ignore " + tech);
                    } else if (tech.equals(android.nfc.tech.NfcV.class.getName())) {
                        Log.d(TAG,"Ignore " + tech);
                    } else if (tech.equals(android.nfc.tech.IsoDep.class.getName())) {
                        android.nfc.tech.IsoDep isoDep = IsoDep.get(tag);
                        if(isoDep == null) {
                            throw new IllegalArgumentException("No IsoDep");
                        }
                        boolean hostCardEmulation = intent.getBooleanExtra(NfcTag.EXTRA_HOST_CARD_EMULATION,false);

                        if(hostCardEmulation) {
                            Log.d(TAG,"Got HCE device");
                        } else {
                            Log.d(TAG,"Got " + IsoDep.class.getName());
                        }

                    } else if (tech.equals(android.nfc.tech.Mifareclassic.class.getName())) {
                        android.nfc.tech.Mifareclassic mifareclassic = Mifareclassic.get(tag);
                        if(mifareclassic == null) {
                            throw new IllegalArgumentException("No Mifareclassic");
                        }

                        Log.d(TAG,"Got " + Mifareclassic.class.getName());
                    } else if (tech.equals(android.nfc.tech.Ndef.class.getName())) {
                        Ndef ndef = Ndef.get(tag);
                        if(ndef == null) {
                            throw new IllegalArgumentException("No NDEF");
                        }
                        Log.d(TAG,"Got " + Ndef.class.getName());

                    } else if (tech.equals(android.nfc.tech.NdefFormatable.class.getName())) {
                        NdefFormatable ndefFormatable = NdefFormatable.get(tag);
                        if(ndefFormatable == null) {
                            throw new IllegalArgumentException("No NdefFormatable");
                        }
                        Log.d(TAG,"Got " + NdefFormatable.class.getName());

                    }
                }

            } catch(Exception e) {
                Log.d(TAG,"Problem processing tag technology",e);
            }
        }

    }

    private void showMessage(final String string) {
        Log.d(TAG,string);
        
        runOnUiThread(new Runnable(){
            public void run() {
                textView.append(string + "\n");
            }
        });
        
    }

    public void toast(int id) {
        toast(getString(id));
    }
    
    public void toast(String message) {
        Toast toast = Toast.makeText(this,message,Toast.LENGTH_LONG);
        toast.setGravity(Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL,0);
        toast.show();
    }

    /**
     * Mifare DESFire Card Logic.
     *
     * @throws SmartCardException
     */
    protected void desfireCardLogic(IDESFireEV1 card) throws SmartCardException {

        try {
            card.getReader().setTimeout(2000);
            /* Do the following only if write checkbox is selected */
            testDESFirepersonalize(card);
            testDESFireauthenticate(card);
            testDESFireupdatePICCMasterKey(card);
            testDESFireauthenticate(card);
            testDESFireupdateApplicationmasterKey(card);
            testDESFireauthenticate(card);
            testDESFireWrite(card);
            testDESFireRead(card);

            card.getReader().setTimeout(2000);
            //showCardDetails(mDESFire.getcardDetails());
            /* Do the following only if write checkbox is selected */
            testDESFireFormat(card);

            card.getReader().close();
        } catch (ReaderException e) {
            Log.w(TAG,"Problem running Desfire EV1 operations",e);
        }
    }


    /** DESFire read IO Operations. */
    private void testDESFireRead(IDESFireEV1 card) {

        boolean res = false;
        try {
            Log.d(TAG,"testDESFireRead,start");
            byte[] data = card.read(5);
            res = true;
            showMessage(
                    "Data Read from the card..." + Utilities.dumpBytes(data));
        } catch (SmartCardException e) {
            showMessage("Data Read from the card: " + res);
            e.printStackTrace();
        }
        Log.d(TAG,result is " + res);
        Log.d(TAG,End");
    }

    /** DESFire Write IO Operations. */
    private void testDESFireWrite(IDESFireEV1 card) {

        byte[] data = new byte[] { 0x11,0x11,0x11 };

        boolean res = false;
        try {
            Log.d(TAG,"testDESFireWrite,start");
            card.write(data);
            res = true;
            showMessage("Data Written: " + Utilities.dumpBytes(data));
        } catch (SmartCardException e) {
            showMessage("Data Written: " + res);
            e.printStackTrace();
        }
        Log.d(TAG,End");

    }

    /** DESFire Update Application master key IO Operations. */
    private void testDESFireupdateApplicationmasterKey(IDESFireEV1 card) {
        byte[] oldKey = new byte[] { 0x01,0x00,0x00 };
        byte[] newKey = new byte[] { 0x01,0x00 };

        byte[] masterKey = new byte[] { 0x00,0x00 };

        byte[] appId = { 0x12,0x12,0x12 };
        boolean res = false;
        try {
            Log.d(TAG,"testDESFireupdateApplicationmasterKey,start");
            card.updateApplicationmasterKey(masterKey,appId,oldKey,newKey);
            res = true;
            showMessage("Update Application MasterKey: " + res);
        } catch (SmartCardException e) {
            showMessage("Update Application MasterKey: " + res);
            e.printStackTrace();
        }
        Log.d(TAG,result is "
                + res);
        Log.d(TAG,End");
    }

    /** DESFire Authenticate IO Operations . */
    private void testDESFireauthenticate(IDESFireEV1 card) {
        byte[] masterKey = new byte[] { 0x00,0x00 };
        byte[] appId = { 0x12,0x12 };
        byte[] appkey = new byte[] { 0x01,0x00 };

        boolean res = false;
        try {
            Log.d(TAG,"testDESFireauthenticate,start");
            card.authenticate(masterKey,appkey);
            res = true;
            showMessage("Authenticate: " + res);
        } catch (SmartCardException e) {
            showMessage("Authenticate: " + res);
            e.printStackTrace();
        }
        Log.d(TAG,End");
    }

    /** DESFire personalize Operations. */
    private void testDESFirepersonalize(IDESFireEV1 card) {
        byte[] mykey = new byte[] { 0x00,0x00 };
        byte[] appKey = new byte[] { 0x01,"testDESFirepersonalize,start");

            card.personalize(mykey,new byte[]{0x12,0x12},appKey);
            res = true;
            showMessage("personalize: " + res);
        } catch (SmartCardException e) {
            showMessage("personalize: " + res);
            e.printStackTrace();
        }
        Log.d(TAG,End");

    }

    /** DESFire update PICC Master key Operations . */
    private void testDESFireupdatePICCMasterKey(IDESFireEV1 card) {
        byte[] oldKey = new byte[] { 0x00,0x00 };
        byte[] newKey = new byte[] { 0x00,0x00 };
        boolean res = false;
        try {
            Log.d(TAG,"testDESFireupdatePICCMasterKey,start");
            card.updatePICCMasterKey(oldKey,newKey);
            res = true;
            showMessage("DESFire Update PICC Master Key: " + res);
        } catch (SmartCardException e) {
            showMessage("DESFire Update PICC Master Key: " + res);
            e.printStackTrace();
        }
        Log.d(TAG,End");

    }

    /** DESFire Format Operations . */
    private void testDESFireFormat(IDESFireEV1 card) {
        byte[] mykey = new byte[] { 0x00,"testDESFireFormat,start");
            card.format(mykey);
            res = true;
            showMessage("Format: " + res);
        } catch (SmartCardException e) {
            showMessage("Format: " + res);
            e.printStackTrace();
        }
        Log.d(TAG,End");
    }


}

上面的代码是 skjobler (https://github.com/skjolber/external-nfc-api) 从外部 NFC api 中获取的示例。每当我在 Android 手机上运行示例文件中的代码时，都会出现一个特定错误。

    07/26 11:48:02: launching 'examples.nxpClient' on LGE LM-K410.
Install successfully finished in 2 s 242 ms.
$ adb shell am start -n "com.github.skjolber.nfc.external.nxpclient/com.github.skjolber.nfc.external.nxpclient.Mainactivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Connected to process 26402 on device 'lge-lm_k410-LMK410VS9P8P659TYL'.
Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.
D/com.github.skjolber.nfc.util.activity.NfcDetectoractivity: onCreate
D/com.github.skjolber.nfc.util.activity.NfcDetectoractivity: NFC feature found
D/com.github.skjolber.nfc.util.activity.NfcDetectoractivity: NFC is enabled
D/com.github.skjolber.nfc.util.activity.NfcExternalDetectoractivity: Start receiving tag broadcasts
D/com.github.skjolber.nfc.util.activity.NfcExternalDetectoractivity: Start receiving reader broadcasts
D/com.github.skjolber.nfc.util.activity.NfcExternalDetectoractivity: Start receiving service broadcasts
D/PhoneWindow: windowLightStatusBar : false,disable View.SYSTEM_UI_flaG_LIGHT_STATUS_BAR
E/libc: access denied finding property "vendor.perf.gestureflingboost.enable"
D/OpenGLRenderer: Skia GL Pipeline
E/libc: access denied finding property "vendor.perf.gestureflingboost.enable"
D/NXP_NFC_libraRY: Android ID: 335850cfbb97fcf3
    Build ID: unknown
D/NXP_NFC_libraRY: APK Size: 482076
D/com.github.skjolber.nfc.util.activity.NfcDetectoractivity: Detect NFC state changes while previously enabled
D/com.github.skjolber.nfc.util.activity.NfcDetectoractivity: NFC state remains enabled
D/com.github.skjolber.nfc.util.activity.NfcDetectoractivity: Ignore action android.intent.action.MAIN
E/libc: access denied finding property "vendor.perf.gestureflingboost.enable"
E/AndroidRuntime: FATAL EXCEPTION: Thread-3
    Process: com.github.skjolber.nfc.external.nxpclient,PID: 26402
    java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http/params/BasicHttpParams;
        at com.nxp.nfclib.ˊ$if$1.run(:392)
     Caused by: java.lang.ClassnotFoundException: Didn't find class "org.apache.http.params.BasicHttpParams" on path: DexPathList[[zip file "/data/app/com.github.skjolber.nfc.external.nxpclient-G_YNJnDMgVhy7ueHG1Y9Eg==/base.apk"],nativelibraryDirectories=[/data/app/com.github.skjolber.nfc.external.nxpclient-G_YNJnDMgVhy7ueHG1Y9Eg==/lib/arm,/system/lib,/product/lib]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:134)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
        at com.nxp.nfclib.ˊ$if$1.run(:392) 
I/Process: Sending signal. PID: 26402 SIG: 9

每当我在 Android 手机上运行该应用程序时，该应用程序都会立即退出。但是，在出现错误之前，它必须连接到互联网，我这样做了，但并没有解决问题。有没有人知道如何解决这个运行时问题？

Lvj0903 回答：如何解决运行时错误 E/libc: Access denied 在 Android Studio 中找到属性“vendor.perf.gestureflingboost.enable”？
暂时没有好的解决方案，如果你有好的解决方案，请发邮件至：iooj@foxmail.com
androidiojavanfc
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