Example usage for android.support.v4.hardware.fingerprint FingerprintManagerCompat from

Introduction

In this page you can find the example usage for android.support.v4.hardware.fingerprint FingerprintManagerCompat from.

Prototype

public static FingerprintManagerCompat from(Context context) 

Source Link

Document

Get a FingerprintManagerCompat instance for a provided context.

Usage

From source file:com.example.android.fingerprintdialog.FingerprintModule.java

@Provides
public FingerprintManagerCompat providesFingerprintManager(Context context) {
    return FingerprintManagerCompat.from(context);
}

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From source file:com.mtramin.rxfingerprint.FingerprintObservable.java

@Override
public void call(AsyncEmitter<T> asyncEmitter) {
    if (!RxFingerprint.isAvailable(context)) {
        asyncEmitter.onError(new IllegalAccessException(
                "Fingerprint authentication is not available on this device! Ensure that the device has a Fingerprint sensor and enrolled Fingerprints by calling RxFingerprint#available(Context) first"));
    }//  w  ww . j  a v  a  2s  .  c  o  m

    AuthenticationCallback callback = createAuthenticationCallback(asyncEmitter);
    cancellationSignal = new CancellationSignal();
    FingerprintManagerCompat.CryptoObject cryptoObject = initCryptoObject(asyncEmitter);
    FingerprintManagerCompat.from(context).authenticate(cryptoObject, 0, cancellationSignal, callback, null);

    asyncEmitter.setSubscription(Subscriptions.create(() -> {
        if (cancellationSignal != null && !cancellationSignal.isCanceled()) {
            cancellationSignal.cancel();
        }
    }));

}

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From source file:alexander.martinz.fingerprintfuzzer.FingerPrinter.java

public FingerPrinter(@NonNull Context context, FingerprinterCallback authenticationCallback,
        @Nullable String keyName) {
    this.context = context;
    this.cryptoHelper = new CryptoHelper(context, keyName);

    this.keyguardManager = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
    this.fingerprintManager = FingerprintManagerCompat.from(context);

    this.authenticationCallback = authenticationCallback;
}

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From source file:at.amartinz.hardware.security.Fingerprinter.java

public Fingerprinter(@NonNull Context context, FingerprinterCallback authenticationCallback,
        @Nullable String keyName) {
    this.context = context;
    this.cryptoHelper = new CryptoHelper(context, keyName);

    this.keyguardManager = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
    this.fingerprintManager = FingerprintManagerCompat.from(context);

    this.authenticationCallback = authenticationCallback;
}

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From source file:com.jefftharris.passwdsafe.SavedPasswordsMgr.java

/**
 * Constructor
 */
public SavedPasswordsMgr(Context ctx) {
    itsFingerprintMgr = FingerprintManagerCompat.from(ctx);
    itsContext = ctx;
}

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From source file:io.flutter.plugins.localauth.AuthenticationHelper.java

AuthenticationHelper(Activity activity, MethodCall call, AuthCompletionHandler completionHandler) {
    this.activity = activity;
    this.completionHandler = completionHandler;
    this.call = call;
    this.keyguardManager = (KeyguardManager) activity.getSystemService(Context.KEYGUARD_SERVICE);
    this.fingerprintManager = FingerprintManagerCompat.from(activity);
}

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From source file:de.schildbach.wallet.util.FingerprintHelper.java

@TargetApi(Build.VERSION_CODES.M)
public boolean init() {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
        log.info("This Android version does not support fingerprint authentication");
        return false;
    }/*from   w  ww.  j av  a 2 s.co  m*/

    KeyguardManager keyguardManager = (KeyguardManager) context.getSystemService(KEYGUARD_SERVICE);
    fingerprintManager = FingerprintManagerCompat.from(context);

    if (!keyguardManager.isKeyguardSecure()) {
        log.info("User hasn't enabled Lock Screen");
        return false;
    }

    if (!hasPermission()) {
        log.info("User hasn't granted permission to use Fingerprint");
        return false;
    }

    if (!fingerprintManager.hasEnrolledFingerprints()) {
        log.info("User hasn't registered any fingerprints");
        return false;
    }

    if (!initKeyStore()) {
        return false;
    }
    return true;
}

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From source file:com.grarak.kerneladiutor.activities.SecurityActivity.java

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_security);

    final String password = Utils.decodeString(getIntent().getStringExtra(PASSWORD_INTENT));
    AppCompatEditText editText = (AppCompatEditText) findViewById(R.id.edittext);
    mPasswordWrong = findViewById(R.id.password_wrong);
    editText.addTextChangedListener(new TextWatcher() {
        @Override/*from w w w . j a v a  2s.  c om*/
        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
        }

        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
        }

        @Override
        public void afterTextChanged(Editable editable) {
            if (editable.toString().equals(password)) {
                mPasswordWrong.setVisibility(View.GONE);
                setResult(1);
                finish();
            } else {
                mPasswordWrong.setVisibility(editable.toString().isEmpty() ? View.GONE : View.VISIBLE);
            }
        }
    });

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Prefs.getBoolean("fingerprint", false, this)) {
        mFingerprintManagerCompat = FingerprintManagerCompat.from(this);
        if (mFingerprintManagerCompat.isHardwareDetected()
                && mFingerprintManagerCompat.hasEnrolledFingerprints()
                && getSystemService(KeyguardManager.class).isDeviceSecure()) {
            loadFingerprint();
        }
    }
}

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From source file:com.keepassdroid.fingerprint.FingerPrintHelper.java

public FingerPrintHelper(final Context context, final FingerPrintCallback fingerPrintCallback) {

    if (!isFingerprintSupported()) {
        // really not much to do when no fingerprint support found
        setInitOk(false);/*from   www  . j a v a  2  s . co  m*/
        return;
    }
    this.fingerprintManager = FingerprintManagerCompat.from(context);
    this.keyguardManager = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
    this.fingerPrintCallback = fingerPrintCallback;

    if (hasEnrolledFingerprints()) {
        try {
            this.keyStore = KeyStore.getInstance("AndroidKeyStore");
            this.keyGenerator = KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore");
            this.cipher = Cipher.getInstance(KeyProperties.KEY_ALGORITHM_AES + "/"
                    + KeyProperties.BLOCK_MODE_CBC + "/" + KeyProperties.ENCRYPTION_PADDING_PKCS7);
            this.cryptoObject = new FingerprintManagerCompat.CryptoObject(cipher);
            setInitOk(true);
        } catch (final Exception e) {
            setInitOk(false);
            fingerPrintCallback.onException();
        }
    }
}

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From source file:org.thoughtcrime.securesms.PassphrasePromptActivity.java

private void initializeResources() {

    ImageButton okButton = findViewById(R.id.ok_button);
    Toolbar toolbar = findViewById(R.id.toolbar);

    showButton = findViewById(R.id.passphrase_visibility);
    hideButton = findViewById(R.id.passphrase_visibility_off);
    visibilityToggle = findViewById(R.id.button_toggle);
    passphraseText = findViewById(R.id.passphrase_edit);
    passphraseAuthContainer = findViewById(R.id.password_auth_container);
    fingerprintPrompt = findViewById(R.id.fingerprint_auth_container);
    lockScreenButton = findViewById(R.id.lock_screen_auth_container);
    fingerprintManager = FingerprintManagerCompat.from(this);
    fingerprintCancellationSignal = new CancellationSignal();
    fingerprintListener = new FingerprintListener();

    setSupportActionBar(toolbar);// w  w  w  .  jav  a2  s  .  co  m
    getSupportActionBar().setTitle("");

    SpannableString hint = new SpannableString(
            "  " + getString(R.string.PassphrasePromptActivity_enter_passphrase));
    hint.setSpan(new RelativeSizeSpan(0.9f), 0, hint.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
    hint.setSpan(new TypefaceSpan("sans-serif"), 0, hint.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);

    passphraseText.setHint(hint);
    okButton.setOnClickListener(new OkButtonClickListener());
    showButton.setOnClickListener(new ShowButtonOnClickListener());
    hideButton.setOnClickListener(new HideButtonOnClickListener());
    passphraseText.setOnEditorActionListener(new PassphraseActionListener());
    passphraseText.setImeActionLabel(getString(R.string.prompt_passphrase_activity__unlock),
            EditorInfo.IME_ACTION_DONE);

    fingerprintPrompt.setImageResource(R.drawable.ic_fingerprint_white_48dp);
    fingerprintPrompt.getBackground().setColorFilter(getResources().getColor(R.color.signal_primary),
            PorterDuff.Mode.SRC_IN);

    lockScreenButton.setOnClickListener(v -> resumeScreenLock());
}

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