Example usage for android.os CancellationSignal CancellationSignal

Introduction

In this page you can find the example usage for android.os CancellationSignal CancellationSignal.

Prototype

public CancellationSignal() 

Source Link

Document

Creates a cancellation signal, initially not canceled.

Usage

From source file:com.nyelito.fingerprintcam.FingerprintUiHelper.java

public void startListening(Context context, FingerprintManager.CryptoObject cryptoObject) {
    if (!isFingerprintAuthAvailable(context)) {
        return;//from ww  w .j a  v  a2  s .co m
    }
    mCancellationSignal = new CancellationSignal();
    mSelfCancelled = false;
    if (ContextCompat.checkSelfPermission(context,
            Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
        // TODO: Consider calling
        //    public void requestPermissions(@NonNull String[] permissions, int requestCode)
        // here to request the missing permissions, and then overriding
        //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
        //                                          int[] grantResults)
        // to handle the case where the user grants the permission. See the documentation
        // for Activity#requestPermissions for more details.
        return;
    }
    mFingerprintManager.authenticate(cryptoObject, mCancellationSignal, 0 /* flags */, this, null);
    //        mIcon.setImageResource(R.drawable.ic_fp_40px);
}

---

From source file:se.chalmers.watchme.database.GenericCursorLoader.java

@Override
public Cursor loadInBackground() {
    synchronized (this) {
        mCancellationSignal = new CancellationSignal();
    }//from  w  w  w . jav  a  2  s.  c  om
    try {

        Cursor cursor = mCursorHelper.getCursor();
        if (cursor != null) {

            // Ensure the cursor window is filled
            cursor.getCount();
            registerContentObserver(cursor, mObserver);
        }
        return cursor;
    } finally {
        synchronized (this) {
            mCancellationSignal = null;
        }
    }
}

---

From source file:com.github.brandon.fingerprintauthenticationdialog.FingerprintUiHelper.java

public void startListening(FingerprintManager.CryptoObject cryptoObject) {
    if (cryptoObject == null)
        return;/* w w w .jav  a2 s  . c  o m*/
    mCancellationSignal = new CancellationSignal();
    if (ContextCompat.checkSelfPermission(mActivity,
            Manifest.permission.USE_FINGERPRINT) == PackageManager.PERMISSION_GRANTED) {
        mFingerprintManager.authenticate(cryptoObject, mCancellationSignal, 0 /* flags */, this, null);
    }
    mIcon.setImageResource(R.drawable.ic_fp_40px);
}

---

From source file:com.elkriefy.android.apps.authenticationexample.fingerprintdialog.FingerprintUiHelper.java

public void startListening(FingerprintManager.CryptoObject cryptoObject) {
    if (!isFingerprintAuthAvailable()) {
        return;//from   w ww  .ja  v a  2 s.co m
    }
    mCancellationSignal = new CancellationSignal();
    mSelfCancelled = false;
    mFingerprintManager.authenticate(cryptoObject, mCancellationSignal, 0 /* flags */, this, null);
    mIcon.setImageResource(R.drawable.ic_fp_40px);
}

---

From source file:rmatze.com.fingerprint.FingerprintUiHelper.java

public void startListening(FingerprintManager.CryptoObject cryptoObject) {
    if (!isFingerprintAuthAvailable()) {
        return;//from  www.  j a v a2s  . c om
    }
    mCancellationSignal = new CancellationSignal();
    mSelfCancelled = false;
    if (ActivityCompat.checkSelfPermission(mContext,
            Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
        return;
    }
    mFingerprintManager.authenticate(cryptoObject, mCancellationSignal, 0 /* flags */, this, null);
    mIcon.setImageResource(R.drawable.ic_fp_40px);
}

---

From source file:gov.cdc.everydose.utils.uiUtils.FingerprintUiHelper.java

public void startListening(FingerprintManager.CryptoObject cryptoObject) {
    if (!isFingerprintAuthAvailable()) {
        return;//w w  w.  j  a  v a2 s  .c o m
    }
    mCancellationSignal = new CancellationSignal();
    mSelfCancelled = false;
    if (ActivityCompat.checkSelfPermission(mContext,
            Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
        return;
    }
    mFingerprintManager.authenticate(cryptoObject, mCancellationSignal, 0 /* flags */, this, null);
    mIcon.setImageResource(R.drawable.fingerprint);
}

---

From source file:cn.edu.wyu.documentviewer.DirectoryResult.java

@Override
public final DirectoryResult loadInBackground() {
    synchronized (this) {
        if (isLoadInBackgroundCanceled()) {
            throw new OperationCanceledException();
        }/*from  ww w . jav a 2s . c  o m*/
        mSignal = new CancellationSignal();
    }

    final ContentResolver resolver = getContext().getContentResolver();
    final String authority = mUri.getAuthority();

    final DirectoryResult result = new DirectoryResult();

    int userMode = State.MODE_UNKNOWN;

    // Use default document when searching
    if (mType == DirectoryFragment.TYPE_SEARCH) {
        final Uri docUri = DocumentsContract.buildDocumentUri(mRoot.authority, mRoot.documentId);
        try {
            mDoc = DocumentInfo.fromUri(resolver, docUri);
        } catch (FileNotFoundException e) {
            Log.w(TAG, "Failed to query", e);
            result.exception = e;
            return result;
        }
    }

    // Pick up any custom modes requested by user
    Cursor cursor = null;
    try {
        final Uri stateUri = RecentsProvider.buildState(mRoot.authority, mRoot.rootId, mDoc.documentId);
        cursor = resolver.query(stateUri, null, null, null, null);
        if (cursor.moveToFirst()) {
            userMode = getCursorInt(cursor, StateColumns.MODE);
        }
    } finally {
        IOUtils.closeQuietly(cursor);
    }

    if (userMode != State.MODE_UNKNOWN) {
        result.mode = userMode;
    } else {
        if ((mDoc.flags & Document.FLAG_DIR_PREFERS_GRID) != 0) {
            result.mode = State.MODE_GRID;
        } else {
            result.mode = State.MODE_LIST;
        }
    }

    if (mUserSortOrder != State.SORT_ORDER_UNKNOWN) {
        result.sortOrder = mUserSortOrder;
    } else {
        if ((mDoc.flags & Document.FLAG_DIR_PREFERS_LAST_MODIFIED) != 0) {
            result.sortOrder = State.SORT_ORDER_LAST_MODIFIED;
        } else {
            result.sortOrder = State.SORT_ORDER_DISPLAY_NAME;
        }
    }

    // Search always uses ranking from provider
    if (mType == DirectoryFragment.TYPE_SEARCH) {
        result.sortOrder = State.SORT_ORDER_UNKNOWN;
    }

    Log.d(TAG, "userMode=" + userMode + ", userSortOrder=" + mUserSortOrder + " --> mode=" + result.mode
            + ", sortOrder=" + result.sortOrder);

    ContentProviderClient client = null;
    try {
        client = DocumentsApplication.acquireUnstableProviderOrThrow(resolver, authority);

        cursor = client.query(mUri, null, null, null, getQuerySortOrder(result.sortOrder), mSignal);
        cursor.registerContentObserver(mObserver);

        cursor = new RootCursorWrapper(mUri.getAuthority(), mRoot.rootId, cursor, -1);

        if (mType == DirectoryFragment.TYPE_SEARCH) {
            // Filter directories out of search results, for now
            cursor = new FilteringCursorWrapper(cursor, null, SEARCH_REJECT_MIMES);
        } else {
            // Normal directories should have sorting applied
            cursor = new SortingCursorWrapper(cursor, result.sortOrder);
        }

        result.client = client;
        result.cursor = cursor;
    } catch (Exception e) {
        Log.w(TAG, "Failed to query", e);
        result.exception = e;
        ContentProviderClient.releaseQuietly(client);
    } finally {
        synchronized (this) {
            mSignal = null;
        }
    }

    return result;
}

---

From source file:com.owncloud.android.ui.activity.FingerprintActivity.java

private void startFingerprint() {
    TextView fingerprintTextView = (TextView) findViewById(R.id.scanfingerprinttext);

    FingerprintManager fingerprintManager = (FingerprintManager) MainApp.getAppContext()
            .getSystemService(Context.FINGERPRINT_SERVICE);

    if (ActivityCompat.checkSelfPermission(this,
            Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
        return;//from  ww w . ja v a2s.c om
    }
    KeyguardManager keyguardManager = (KeyguardManager) getSystemService(KEYGUARD_SERVICE);

    if (!keyguardManager.isKeyguardSecure()) {
        return;
    } else {
        generateKey();

        if (cipherInit()) {
            cryptoObject = new FingerprintManager.CryptoObject(cipher);
            FingerprintHandler.Callback callback = new FingerprintHandler.Callback() {
                @Override
                public void onAuthenticated() {
                    fingerprintResult(true);
                }

                @Override
                public void onFailed(String error) {
                    Toast.makeText(MainApp.getAppContext(), error, Toast.LENGTH_LONG).show();
                    ImageView imageView = (ImageView) findViewById(R.id.fingerprinticon);
                    int[][] states = new int[][] { new int[] { android.R.attr.state_activated },
                            new int[] { -android.R.attr.state_activated } };
                    int[] colors = new int[] { Color.parseColor("#FF0000"), Color.RED };
                    ColorStateList csl = new ColorStateList(states, colors);
                    Drawable drawable = DrawableCompat.wrap(imageView.getDrawable());
                    DrawableCompat.setTintList(drawable, csl);
                    imageView.setImageDrawable(drawable);
                }
            };

            helper = new FingerprintHandler(fingerprintTextView, callback);
            cancellationSignal = new CancellationSignal();
            if (ActivityCompat.checkSelfPermission(MainApp.getAppContext(),
                    Manifest.permission.USE_FINGERPRINT) != PackageManager.PERMISSION_GRANTED) {
                return;
            }
            fingerprintManager.authenticate(cryptoObject, cancellationSignal, 0, helper, null);
        }
    }
}

---

From source file:android.webkit.cts.WebViewTest.java

private void savePrintedPage(final PrintDocumentAdapter adapter, final ParcelFileDescriptor descriptor,
        final FutureTask<Boolean> result) {
    adapter.onWrite(new PageRange[] { PageRange.ALL_PAGES }, descriptor, new CancellationSignal(),
            new WriteResultCallback() {
                @Override/*www .j  a  va 2s.  com*/
                public void onWriteFinished(PageRange[] pages) {
                    try {
                        descriptor.close();
                        result.run();
                    } catch (IOException ex) {
                        fail("Failed file operation: " + ex.toString());
                    }
                }
            });
}

---

From source file:android.webkit.cts.WebViewTest.java

private void printDocumentLayout(final PrintDocumentAdapter adapter, final PrintAttributes oldAttributes,
        final PrintAttributes newAttributes, final LayoutResultCallback layoutResultCallback) {
    mOnUiThread.runOnUiThread(new Runnable() {
        @Override//from   ww w.j a  v  a 2s. c  o  m
        public void run() {
            adapter.onLayout(oldAttributes, newAttributes, new CancellationSignal(), layoutResultCallback,
                    null);
        }
    });
}

---