Java FingerprintManager.isHardwareDetected方法代碼示例

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
/**
 * Check if the finger print hardware is available.
 *
 * @param context instance of the caller.
 * @return true if finger print authentication is supported.
 */
@SuppressWarnings("MissingPermission")
private boolean checkFingerPrintAvailability(@NonNull Context context) {
    // Check if we're running on Android 6.0 (M) or higher
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

        //Fingerprint API only available on from Android 6.0 (M)
        FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);

        if (!fingerprintManager.isHardwareDetected()) {
            return false;
        } else if (!fingerprintManager.hasEnrolledFingerprints()) {
            return false;
        }
        return true;
    } else {
        return false;
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
@Override
public boolean isHardwarePresent() {
    final FingerprintManager fingerprintManager = fingerprintManager();
    if (fingerprintManager == null) return false;
    // Normally, a security exception is only thrown if you don't have the USE_FINGERPRINT
    // permission in your manifest. However, some OEMs have pushed updates to M for phones
    // that don't have sensors at all, and for some reason decided not to implement the
    // USE_FINGERPRINT permission. So on those devices, a SecurityException is raised no matter
    // what. This has been confirmed on a number of devices, including the LG LS770, LS991,
    // and the HTC One M8.
    //
    // On Robolectric, FingerprintManager.isHardwareDetected raises an NPE.
    try {
        return fingerprintManager.isHardwareDetected();
    } catch (SecurityException | NullPointerException e) {
        logger.logException(e, "MarshmallowReprintModule: isHardwareDetected failed unexpectedly");
        return false;
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
public static boolean isAvailable(Context context){
    FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
    if(fingerprintManager!=null){
        return (fingerprintManager.isHardwareDetected() && fingerprintManager.hasEnrolledFingerprints());
    }
    return false;
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
private void initFingerPrint(Context context) {
    KeyguardManager keyguardManager =
            (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
    FingerprintManager fingerprintManager =
            (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);

    if (!fingerprintManager.isHardwareDetected()) {
        Toast.makeText(context, "Your device doesn't support fingerprint authentication", Toast.LENGTH_LONG).show();
    } else if (context.checkSelfPermission(Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
        Toast.makeText(context, "Please enable the fingerprint permission", Toast.LENGTH_LONG).show();
    } else if (!fingerprintManager.hasEnrolledFingerprints()) {
        Toast.makeText(
                context,
                "No fingerprint configured. Please register at least one fingerprint in your device's Settings",
                Toast.LENGTH_LONG).show();
    } else if (!keyguardManager.isKeyguardSecure()) {
        Toast.makeText(
                context,
                "Please enable lock screen security in your device's Settings",
                Toast.LENGTH_LONG).show();
    } else {
        fHandler = new FingerprintHandler(context);
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
private void initFingerprintManager() throws Throwable {
    mFpManager = (FingerprintManager) mContext.getSystemService(Context.FINGERPRINT_SERVICE);
    if (!mFpManager.isHardwareDetected())
        throw new IllegalStateException("Fingerprint hardware not present");

    KeyStore keyStore = KeyStore.getInstance("AndroidKeyStore");
    KeyGenerator keyGenerator = KeyGenerator.getInstance(
            KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore");
    keyStore.load(null);
    keyGenerator.init(new KeyGenParameterSpec.Builder(
            KEY_NAME, KeyProperties.PURPOSE_ENCRYPT | KeyProperties.PURPOSE_DECRYPT)
            .setBlockModes(KeyProperties.BLOCK_MODE_CBC)
            .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_PKCS7)
            .build());
    keyGenerator.generateKey();

    Cipher cipher = Cipher.getInstance(
            KeyProperties.KEY_ALGORITHM_AES + "/" +
            KeyProperties.BLOCK_MODE_CBC + "/" +
            KeyProperties.ENCRYPTION_PADDING_PKCS7);
    SecretKey key = (SecretKey) keyStore.getKey(KEY_NAME, null);
    cipher.init(Cipher.ENCRYPT_MODE, key);

    mFpHandler = new FingerprintHandler(cipher);

    if (DEBUG) log("Fingeprint manager initialized");
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
private boolean scanFingerprint() throws CertificateException, NoSuchAlgorithmException,
        IOException, UnrecoverableKeyException, KeyStoreException, InvalidKeyException,
        InvalidAlgorithmParameterException, NoSuchPaddingException {

    FingerprintManager fingerprintManager = (FingerprintManager) getSystemService(FINGERPRINT_SERVICE);

    //noinspection ResourceType
    if (fingerprintManager.isHardwareDetected()) {

        Cipher cipher = getCipherInstance();

        IvParameterSpec ivSpec = new IvParameterSpec(mIvData);
        SecretKey key = (SecretKey) mKeyStore.getKey(KEY_NAME, null);
        cipher.init(Cipher.DECRYPT_MODE, key, ivSpec);

        FingerprintManager.CryptoObject cryptoObject = new FingerprintManager.CryptoObject(cipher);

        //noinspection ResourceType
        fingerprintManager.authenticate(cryptoObject, mCancellationSignal, 0x0, mAuthenticationCallback, mHandler);

        return true;
    } else {
        return false;
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
/**
 * Init {@link FingerprintManager} of the {@link Build.VERSION#SDK_INT} is > to Marshmallow
 * and {@link FingerprintManager#isHardwareDetected()}.
 */
private void initLayoutForFingerprint() {
    mFingerprintImageView = (ImageView) this.findViewById(R.id.pin_code_fingerprint_imageview);
    mFingerprintTextView = (TextView) this.findViewById(R.id.pin_code_fingerprint_textview);
    if (mType == AppLock.UNLOCK_PIN && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        mFingerprintManager = (FingerprintManager) getSystemService(Context.FINGERPRINT_SERVICE);
        mFingerprintUiHelper = new FingerprintUiHelper.FingerprintUiHelperBuilder(mFingerprintManager).build(mFingerprintImageView, mFingerprintTextView, this);
        try {
            if (mFingerprintManager.isHardwareDetected() && mFingerprintUiHelper.isFingerprintAuthAvailable()
                    && mLockManager.getAppLock().isFingerprintAuthEnabled()) {
                mFingerprintImageView.setVisibility(View.VISIBLE);
                mFingerprintTextView.setVisibility(View.VISIBLE);
                mFingerprintUiHelper.startListening();
            } else {
                mFingerprintImageView.setVisibility(View.GONE);
                mFingerprintTextView.setVisibility(View.GONE);
            }
        } catch (SecurityException e) {
            Log.e(TAG, e.toString());
            mFingerprintImageView.setVisibility(View.GONE);
            mFingerprintTextView.setVisibility(View.GONE);
        }
    } else {
        mFingerprintImageView.setVisibility(View.GONE);
        mFingerprintTextView.setVisibility(View.GONE);
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
public static boolean checkFingerprintCompatibility(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        FingerprintManager manager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
        if (manager != null) {
            return manager.isHardwareDetected();
        }
    }

    /*if (manager.isHardwareDetected()) {
        //code here
    }

    return FingerprintManagerCompat.from(context).isHardwareDetected();*/
    return false;
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
/**
 * Check if the device have supported hardware fir the finger print scanner.
 *
 * @param context instance of the caller.
 * @return true if device have the hardware.
 */
@SuppressWarnings("MissingPermission")
@RequiresApi(api = Build.VERSION_CODES.M)
@RequiresPermission(allOf = {Manifest.permission.USE_FINGERPRINT})
public static boolean isSupportedHardware(Context context) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) return false;
    FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
    return fingerprintManager.isHardwareDetected();
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
/**
 * Check if the device has any fingerprint registered?
 * <p>
 * If no fingerprint registered, use {@link #openSecuritySettings(Context)} to open security settings.
 *
 * @param context instance
 * @return true if any fingerprint is register.
 */
@SuppressWarnings({"MissingPermission", "WeakerAccess"})
public static boolean isFingerPrintEnrolled(Context context) {
    // Check if we're running on Android 6.0 (M) or higher
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

        //Fingerprint API only available on from Android 6.0 (M)
        FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
        return !(!fingerprintManager.isHardwareDetected() || !fingerprintManager.hasEnrolledFingerprints());
    } else {
        return false;
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
public static boolean hasDeviceFingerprintSupport(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
        if (ActivityCompat.checkSelfPermission(context, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
            return false;
        }
        return fingerprintManager.isHardwareDetected() && fingerprintManager.hasEnrolledFingerprints();
    } else {
        return false;
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
public static boolean supportsFingerprint(Context ctx) {
    try {
        FingerprintManager fpm = (FingerprintManager) ctx.getSystemService(Context.FINGERPRINT_SERVICE);
        return (fpm != null && fpm.isHardwareDetected());
    } catch (Throwable t) {
        log("Error checkin for fingerprint support: " + t.getMessage());
        return false;
    }
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
@TargetApi(23)
public static boolean checkFingerprintHardwareAndPermission(Context context, FingerprintManager fingerprintManager){
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (ActivityCompat.checkSelfPermission(context, Manifest.permission.USE_FINGERPRINT) == PackageManager.PERMISSION_GRANTED) {
            if(fingerprintManager != null) {
                if (fingerprintManager.isHardwareDetected()) {
                    return true;
                }
            }else{
                return false;
            }
        }
    }
    return false;
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
/**
 * 判斷指紋是否可用, 1:有指紋模塊, 2:錄入了指紋
 */
public static boolean isFingerAvailable(Context context) {
    if (Build.VERSION.SDK_INT < 23) {
        return false;
    }

    FingerprintManager manager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
    KeyguardManager mKeyManager = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);

    //權限檢查
    if (ActivityCompat.checkSelfPermission(context, Manifest.permission.USE_FINGERPRINT)
            != PackageManager.PERMISSION_GRANTED) {
        return false;
    }
    //判斷硬件是否支持指紋識別
    if (!manager.isHardwareDetected()) {
        return false;
    }
    //判斷 是否開啟鎖屏密碼
    if (!mKeyManager.isKeyguardSecure()) {
        return false;
    }
    //判斷是否有指紋錄入
    if (!manager.hasEnrolledFingerprints()) {
        return false;
    }

    return true;
}
 

import android.hardware.fingerprint.FingerprintManager; //導入方法依賴的package包/類
@RequiresApi(api = Build.VERSION_CODES.M)
public static boolean isFingerprintReady(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        //Fingerprint API only available on from Android 6.0 (M)
        FingerprintManager fingerprintManager = (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE);
        if (ActivityCompat.checkSelfPermission(context, Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {

            if (!fingerprintManager.isHardwareDetected()) {
                return false;
            } else if (!fingerprintManager.hasEnrolledFingerprints()) {
                return false;
            } else {
                return true;
            }
        } else {
            // Should we show an explanation?
            if (ActivityCompat.shouldShowRequestPermissionRationale((Activity) context, Manifest.permission.USE_FINGERPRINT)) {


                System.out.println("asd");
                // Show an explanation to the user *asynchronously* -- don't block
                // this thread waiting for the user's response! After the user
                // sees the explanation, try again to request the permission.

            } else {

                // No explanation needed, we can request the permission.

                ActivityCompat.requestPermissions((Activity) context, new String[]{Manifest.permission.USE_FINGERPRINT}, 0);

                // MY_PERMISSIONS_REQUEST_READ_CONTACTS is an
                // app-defined int constant. The callback method gets the
                // result of the request.
            }
        }
    }
    return false;
}