List of usage examples for android.util SparseArray get
public E get(int key)
null if no such mapping has been made. From source file:com.atwal.wakeup.battery.util.Utilities.java
/** * This picks a dominant color, looking for high-saturation, high-value, repeated hues. * * @param bitmap The bitmap to scan//from w ww .j a va 2 s. co m * @param samples The approximate max number of samples to use. */ public static int findDominantColorByHue(Bitmap bitmap, int samples) { final int height = bitmap.getHeight(); final int width = bitmap.getWidth(); int sampleStride = (int) Math.sqrt((height * width) / samples); if (sampleStride < 1) { sampleStride = 1; } // This is an out-param, for getting the hsv values for an rgb float[] hsv = new float[3]; // First get the best hue, by creating a histogram over 360 hue buckets, // where each pixel contributes a score weighted by saturation, value, and alpha. float[] hueScoreHistogram = new float[360]; float highScore = -1; int bestHue = -1; for (int y = 0; y < height; y += sampleStride) { for (int x = 0; x < width; x += sampleStride) { int argb = bitmap.getPixel(x, y); int alpha = 0xFF & (argb >> 24); if (alpha < 0x80) { // Drop mostly-transparent pixels. continue; } // Remove the alpha channel. int rgb = argb | 0xFF000000; Color.colorToHSV(rgb, hsv); // Bucket colors by the 360 integer hues. int hue = (int) hsv[0]; if (hue < 0 || hue >= hueScoreHistogram.length) { // Defensively avoid array bounds violations. continue; } float score = hsv[1] * hsv[2]; hueScoreHistogram[hue] += score; if (hueScoreHistogram[hue] > highScore) { highScore = hueScoreHistogram[hue]; bestHue = hue; } } } SparseArray<Float> rgbScores = new SparseArray<Float>(); int bestColor = 0xff000000; highScore = -1; // Go theme_icon_back over the RGB colors that match the winning hue, // creating a histogram of weighted s*v scores, for up to 100*100 [s,v] buckets. // The highest-scoring RGB color wins. for (int y = 0; y < height; y += sampleStride) { for (int x = 0; x < width; x += sampleStride) { int rgb = bitmap.getPixel(x, y) | 0xff000000; Color.colorToHSV(rgb, hsv); int hue = (int) hsv[0]; if (hue == bestHue) { float s = hsv[1]; float v = hsv[2]; int bucket = (int) (s * 100) + (int) (v * 10000); // Score by cumulative saturation * value. float score = s * v; Float oldTotal = rgbScores.get(bucket); float newTotal = oldTotal == null ? score : oldTotal + score; rgbScores.put(bucket, newTotal); if (newTotal > highScore) { highScore = newTotal; // All the colors in the winning bucket are very similar. Last in wins. bestColor = rgb; } } } } return bestColor; }
From source file:org.telegram.ui.Components.NumberPicker.java
private void ensureCachedScrollSelectorValue(int selectorIndex) { SparseArray<String> cache = mSelectorIndexToStringCache; String scrollSelectorValue = cache.get(selectorIndex); if (scrollSelectorValue != null) { return;//from w w w. ja v a 2s . c om } if (selectorIndex < mMinValue || selectorIndex > mMaxValue) { scrollSelectorValue = ""; } else { if (mDisplayedValues != null) { int displayedValueIndex = selectorIndex - mMinValue; scrollSelectorValue = mDisplayedValues[displayedValueIndex]; } else { scrollSelectorValue = formatNumber(selectorIndex); } } cache.put(selectorIndex, scrollSelectorValue); }
From source file:com.tzutalin.dlibtest.CameraConnectionFragment.java
/** * Sets up member variables related to camera. * * @param width The width of available size for camera preview * @param height The height of available size for camera preview *///from www. java 2 s . c om @DebugLog @SuppressLint("LongLogTag") private void setUpCameraOutputs(final int width, final int height) { final Activity activity = getActivity(); final CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE); try { SparseArray<Integer> cameraFaceTypeMap = new SparseArray<>(); // Check the facing types of camera devices for (final String cameraId : manager.getCameraIdList()) { final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId); final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING); if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) { if (cameraFaceTypeMap.get(CameraCharacteristics.LENS_FACING_FRONT) != null) { cameraFaceTypeMap.append(CameraCharacteristics.LENS_FACING_FRONT, cameraFaceTypeMap.get(CameraCharacteristics.LENS_FACING_FRONT) + 1); } else { cameraFaceTypeMap.append(CameraCharacteristics.LENS_FACING_FRONT, 1); } } if (facing != null && facing == CameraCharacteristics.LENS_FACING_BACK) { if (cameraFaceTypeMap.get(CameraCharacteristics.LENS_FACING_FRONT) != null) { cameraFaceTypeMap.append(CameraCharacteristics.LENS_FACING_BACK, cameraFaceTypeMap.get(CameraCharacteristics.LENS_FACING_BACK) + 1); } else { cameraFaceTypeMap.append(CameraCharacteristics.LENS_FACING_BACK, 1); } } } Integer num_facing_back_camera = cameraFaceTypeMap.get(CameraCharacteristics.LENS_FACING_BACK); for (final String cameraId : manager.getCameraIdList()) { final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId); final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING); // If facing back camera or facing external camera exist, we won't use facing front camera if (num_facing_back_camera != null && num_facing_back_camera > 0) { // We don't use a front facing camera in this sample if there are other camera device facing types if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) { continue; } } final StreamConfigurationMap map = characteristics .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); if (map == null) { continue; } // For still image captures, we use the largest available size. final Size largest = Collections.max(Arrays.asList(map.getOutputSizes(ImageFormat.YUV_420_888)), new CompareSizesByArea()); // Danger, W.R.! Attempting to use too large a preview size could exceed the camera // bus' bandwidth limitation, resulting in gorgeous previews but the storage of // garbage capture data. previewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, largest); // We fit the aspect ratio of TextureView to the size of preview we picked. final int orientation = getResources().getConfiguration().orientation; if (orientation == Configuration.ORIENTATION_LANDSCAPE) { textureView.setAspectRatio(previewSize.getWidth(), previewSize.getHeight()); } else { textureView.setAspectRatio(previewSize.getHeight(), previewSize.getWidth()); } CameraConnectionFragment.this.cameraId = cameraId; return; } } catch (final CameraAccessException e) { Timber.tag(TAG).e("Exception!", e); } catch (final NullPointerException e) { // Currently an NPE is thrown when the Camera2API is used but not supported on the // device this code runs. ErrorDialog.newInstance(getString(R.string.camera_error)).show(getChildFragmentManager(), FRAGMENT_DIALOG); } }
From source file:com.gh.bmd.jrt.android.v4.core.LoaderInvocation.java
@Override @SuppressWarnings("unchecked") @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST_OF_RETURN_VALUE", justification = "class comparison with == is done") public void onCall(@Nonnull final List<? extends INPUT> inputs, @Nonnull final ResultChannel<OUTPUT> result) { final Logger logger = mLogger; final Object context = mContext.get(); if (context == null) { logger.dbg("avoiding running invocation since context is null"); return;//from w ww.j a v a 2s .com } final Context loaderContext; final LoaderManager loaderManager; if (context instanceof FragmentActivity) { final FragmentActivity activity = (FragmentActivity) context; loaderContext = activity.getApplicationContext(); loaderManager = activity.getSupportLoaderManager(); logger.dbg("running invocation bound to activity: %s", activity); } else if (context instanceof Fragment) { final Fragment fragment = (Fragment) context; loaderContext = fragment.getActivity().getApplicationContext(); loaderManager = fragment.getLoaderManager(); logger.dbg("running invocation bound to fragment: %s", fragment); } else { throw new IllegalArgumentException("invalid context type: " + context.getClass().getCanonicalName()); } int loaderId = mLoaderId; if (loaderId == ContextRoutineBuilder.AUTO) { loaderId = mConstructor.getDeclaringClass().hashCode(); for (final Object arg : mArgs) { loaderId = 31 * loaderId + recursiveHashCode(arg); } loaderId = 31 * loaderId + inputs.hashCode(); logger.dbg("generating invocation ID: %d", loaderId); } final Loader<InvocationResult<OUTPUT>> loader = loaderManager.getLoader(loaderId); final boolean isClash = isClash(loader, loaderId, inputs); final WeakIdentityHashMap<Object, SparseArray<WeakReference<RoutineLoaderCallbacks<?>>>> callbackMap = sCallbackMap; SparseArray<WeakReference<RoutineLoaderCallbacks<?>>> callbackArray = callbackMap.get(context); if (callbackArray == null) { callbackArray = new SparseArray<WeakReference<RoutineLoaderCallbacks<?>>>(); callbackMap.put(context, callbackArray); } final WeakReference<RoutineLoaderCallbacks<?>> callbackReference = callbackArray.get(loaderId); RoutineLoaderCallbacks<OUTPUT> callbacks = (callbackReference != null) ? (RoutineLoaderCallbacks<OUTPUT>) callbackReference.get() : null; if ((callbacks == null) || (loader == null) || isClash) { final RoutineLoader<INPUT, OUTPUT> routineLoader; if (!isClash && (loader != null) && (loader.getClass() == RoutineLoader.class)) { routineLoader = (RoutineLoader<INPUT, OUTPUT>) loader; } else { routineLoader = null; } final RoutineLoaderCallbacks<OUTPUT> newCallbacks = createCallbacks(loaderContext, loaderManager, routineLoader, inputs, loaderId); if (callbacks != null) { logger.dbg("resetting existing callbacks [%d]", loaderId); callbacks.reset(); } callbackArray.put(loaderId, new WeakReference<RoutineLoaderCallbacks<?>>(newCallbacks)); callbacks = newCallbacks; } logger.dbg("setting result cache type [%d]: %s", loaderId, mCacheStrategyType); callbacks.setCacheStrategy(mCacheStrategyType); final OutputChannel<OUTPUT> outputChannel = callbacks.newChannel(); if (isClash) { logger.dbg("restarting loader [%d]", loaderId); loaderManager.restartLoader(loaderId, Bundle.EMPTY, callbacks); } else { logger.dbg("initializing loader [%d]", loaderId); loaderManager.initLoader(loaderId, Bundle.EMPTY, callbacks); } result.pass(outputChannel); }
From source file:com.fuzz.indicator.CutoutViewIndicator.java
/** * Utility method for invalidating the {@link #generator} (so to speak). * <p>//from ww w .j a va 2 s . com * It'll ensure that the child views match both what the current * {@link CutoutCellGenerator} creates AND the params defined by * {@link #defaultChildParams}. * </p> * Views which have been marked for * {@link CutoutViewLayoutParams#preservedDuringRebuild preservation} will * not be replaced. */ public void rebuildChildViews() { SparseArray<CutoutCell> preserved = cells.clone(); cells.clear(); for (int i = 0; i < getChildCount(); i++) { View child = getChildAt(i); if (((CutoutViewLayoutParams) child.getLayoutParams()).preservedDuringRebuild) { cells.put(i, preserved.get(i)); } } preserved.clear(); removeAllViews(); dataSetObserver.onChanged(); }
From source file:ru.gkpromtech.exhibition.organizations.OrganizationsFragment.java
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Bundle arguments = getArguments();/*from w ww .j ava2 s .co m*/ if (arguments != null) { mGroupId = arguments.getString(ARG_GROUP_ID); mType = arguments.getInt(ARG_TYPE); //noinspection unchecked mItems = (List<Item>) arguments.getSerializable(ARG_ITEMS); mFilter = arguments.getString(ARG_FILTER); } if (mItems == null) { DbHelper db = DbHelper.getInstance(getActivity()); mItems = new ArrayList<>(); Table<Organization> organizationsTable = db.getTableFor(Organization.class); try { List<Pair<Entity[], Organization>> placesOrganizations; if (mType == GROUPED) { placesOrganizations = organizationsTable.selectJoined( new Table.Join[] { new Table.Join("id", PlacesOrganization.class, "organizationid"), new Table.Join(Place.class, "f1.id = f0.placeid"), new Table.Join(Group.class, "f2.id = f1.groupid") }, null, null, "f2.sortorder, t.fullname"); } else { placesOrganizations = organizationsTable .selectJoined( new Table.Join[] { new Table.Join("id", PlacesOrganization.class, "organizationid", "LEFT"), new Table.Join(Place.class, "f1.id = f0.placeid", "LEFT"), new Table.Join(Group.class, "f2.id = f1.groupid", "LEFT") }, null, null, "t.fullname"); } String lastTitle = null; int pos = 0; SparseArray<Item> itemsCache = new SparseArray<>(); for (Pair<Entity[], Organization> res : placesOrganizations) { Place place = (Place) res.first[1]; Organization organization = res.second; Group group = (Group) res.first[2]; Item item = null; if (mType == GROUPED) { if (!group.name.equals(lastTitle)) { if (mGroupId != null && mGroupPosition == -1 && mGroupId.equals(group.position)) mGroupPosition = pos; mItems.add(new Item(group.name)); ++pos; lastTitle = group.name; } } else { item = itemsCache.get(organization.id); } if (item == null) { item = new Item(group, place, organization); item.placesStr = place.name; mItems.add(item); itemsCache.put(organization.id, item); } else { if (item.addPlaces == null) item.addPlaces = new ArrayList<>(); item.addPlaces.add(place); item.placesStr += ", " + place.name; } ++pos; } } catch (Exception e) { e.printStackTrace(); } } mAdapter = new OrganizationsAdapter(getActivity()); if (mGroupPosition != -1) { new Handler().post(new Runnable() { @Override public void run() { mListView.setSelection(mGroupPosition); if (mFilter != null) onQueryTextChange(mFilter); } }); } }
From source file:ru.gkpromtech.exhibition.organizations.OrganizationsPagerFragment.java
private void fillItems(int maxItemsPerView) { DbHelper db = DbHelper.getInstance(getActivity()); mItems = new ArrayList<>(); Table<Organization> organizationsTable = db.getTableFor(Organization.class); try {//from w w w. java2 s . c o m List<Pair<Entity[], Organization>> placesOrganizations; if (mType == GROUPED) { placesOrganizations = organizationsTable.selectJoined( new Table.Join[] { new Table.Join("id", PlacesOrganization.class, "organizationid"), new Table.Join(Place.class, "f1.id = f0.placeid"), new Table.Join(Group.class, "f2.id = f1.groupid") }, null, null, "f2.sortorder, t.fullname"); } else { placesOrganizations = organizationsTable.selectJoined( new Table.Join[] { new Table.Join("id", PlacesOrganization.class, "organizationid", "LEFT"), new Table.Join(Place.class, "f1.id = f0.placeid", "LEFT"), new Table.Join(Group.class, "f2.id = f1.groupid", "LEFT") }, null, null, "t.fullname"); } String lastTitle = null; int pos = 0; SparseArray<OrganizationsFragment.Item> itemsCache = new SparseArray<>(); for (Pair<Entity[], Organization> res : placesOrganizations) { Place place = (Place) res.first[1]; Organization organization = res.second; Group group = (Group) res.first[2]; OrganizationsFragment.Item item = null; if (mType == GROUPED) { if (!group.name.equals(lastTitle)) { if (mGroupId != null && mGroupPosition == -1 && mGroupId.equals(group.position)) mGroupPosition = pos; if (!mSingle || mItems.isEmpty()) mItems.add(new ArrayList<OrganizationsFragment.Item>()); mItems.get(mItems.size() - 1).add(new OrganizationsFragment.Item(group.name)); ++pos; lastTitle = group.name; } } else { if (mItems.isEmpty() || (!mSingle && pos == maxItemsPerView)) { mItems.add(new ArrayList<OrganizationsFragment.Item>()); pos = 0; } item = itemsCache.get(organization.id); } if (item == null) { item = new OrganizationsFragment.Item(group, place, organization); item.placesStr = place.name; mItems.get(mItems.size() - 1).add(item); itemsCache.put(organization.id, item); } else { if (item.addPlaces == null) item.addPlaces = new ArrayList<>(); item.addPlaces.add(place); item.placesStr += ", " + place.name; } ++pos; } } catch (Exception e) { e.printStackTrace(); } }
From source file:com.android.messaging.mmslib.pdu.PduPersister.java
/** * For a given address type, extract the recipients from the headers. * * @param addressType can be PduHeaders.FROM or PduHeaders.TO * @param recipients a HashSet that is loaded with the recipients from the FROM or TO * headers//from w w w . j av a 2 s . c o m * @param addressMap a HashMap of the addresses from the ADDRESS_FIELDS header */ private void loadRecipients(final int addressType, final HashSet<String> recipients, final SparseArray<EncodedStringValue[]> addressMap) { final EncodedStringValue[] array = addressMap.get(addressType); if (array == null) { return; } for (final EncodedStringValue v : array) { if (v != null) { final String number = v.getString(); if (!recipients.contains(number)) { // Only add numbers which aren't already included. recipients.add(number); } } } }
From source file:com.android.messaging.mmslib.pdu.PduPersister.java
/** * For a given address type, extract the recipients from the headers. * * @param recipients a HashSet that is loaded with the recipients from the FROM or TO * headers//from w w w . j a va2s .c o m * @param addressMap a HashMap of the addresses from the ADDRESS_FIELDS header * @param selfNumber self phone number */ private void checkAndLoadToCcRecipients(final HashSet<String> recipients, final SparseArray<EncodedStringValue[]> addressMap, final String selfNumber) { final EncodedStringValue[] arrayTo = addressMap.get(PduHeaders.TO); final EncodedStringValue[] arrayCc = addressMap.get(PduHeaders.CC); final ArrayList<String> numbers = new ArrayList<String>(); if (arrayTo != null) { for (final EncodedStringValue v : arrayTo) { if (v != null) { numbers.add(v.getString()); } } } if (arrayCc != null) { for (final EncodedStringValue v : arrayCc) { if (v != null) { numbers.add(v.getString()); } } } for (final String number : numbers) { // Only add numbers which aren't my own number. if (TextUtils.isEmpty(selfNumber) || !PhoneNumberUtils.compare(number, selfNumber)) { if (!recipients.contains(number)) { // Only add numbers which aren't already included. recipients.add(number); } } } }
From source file:com.actionbarsherlock.internal.view.menu.MenuBuilder.java
private void dispatchRestoreInstanceState(Bundle state) { SparseArray<Parcelable> presenterStates = state.getSparseParcelableArray(PRESENTER_KEY); if (presenterStates == null || mPresenters.isEmpty()) return;// w ww. j a v a 2 s . c o m for (WeakReference<MenuPresenter> ref : mPresenters) { final MenuPresenter presenter = ref.get(); if (presenter == null) { mPresenters.remove(ref); } else { final int id = presenter.getId(); if (id > 0) { Parcelable parcel = presenterStates.get(id); if (parcel != null) { presenter.onRestoreInstanceState(parcel); } } } } }