Example usage for android.support.v4.util SparseArrayCompat get

Introduction

In this page you can find the example usage for android.support.v4.util SparseArrayCompat get.

Prototype

public E get(int i) 

Source Link

Usage

From source file:com.facebook.litho.ComponentHostUtils.java

/**
 * Returns true if scrapItems is not null and contains an item with key index.
 *//*from  www. j a  v  a  2s. c om*/
static <T> boolean existsScrapItemAt(int index, SparseArrayCompat<T> scrapItems) {
    return scrapItems != null && scrapItems.get(index) != null;
}

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From source file:Main.java

public static <T extends View> T get(View view, int id) {
    SparseArrayCompat<View> viewHolder = (SparseArrayCompat<View>) view.getTag();
    if (viewHolder == null) {
        viewHolder = new SparseArrayCompat<>();
        view.setTag(viewHolder);/*from   www  .j  a v  a2s .c om*/
    }
    View childView = viewHolder.get(id);
    if (childView == null) {
        childView = view.findViewById(id);
        viewHolder.put(id, childView);
    }
    return (T) childView;
}

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From source file:com.facebook.litho.ComponentHostUtils.java

/**
 * Takes the item at position index from items and puts it into scrapItems. If no such item exists
 * the invocation of this method will have no effect.
 *///from ww  w  .j  ava 2s  .  co  m
static <T> void scrapItemAt(int index, SparseArrayCompat<T> items, SparseArrayCompat<T> scrapItems) {
    final T value = items.get(index);
    if (value != null) {
        scrapItems.put(index, value);
    }
}

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From source file:com.brotherpowers.cameraview.AspectRatio.java

/**
 * Returns an instance of {@link AspectRatio} specified by {@code x} and {@code y} values.
 * The values {@code x} and {@code} will be reduced by their greatest common divider.
 *
 * @param x The width//w ww  .  java  2s.c  o  m
 * @param y The height
 * @return An instance of {@link AspectRatio}
 */
public static AspectRatio of(int x, int y) {
    int gcd = gcd(x, y);
    x /= gcd;
    y /= gcd;
    SparseArrayCompat<AspectRatio> arrayX = sCache.get(x);
    if (arrayX == null) {
        AspectRatio ratio = new AspectRatio(x, y);
        arrayX = new SparseArrayCompat<>();
        arrayX.put(y, ratio);
        sCache.put(x, arrayX);
        return ratio;
    } else {
        AspectRatio ratio = arrayX.get(y);
        if (ratio == null) {
            ratio = new AspectRatio(x, y);
            arrayX.put(y, ratio);
        }
        return ratio;
    }
}

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From source file:com.facebook.litho.ComponentHostUtils.java

/**
 * Moves an item from oldIndex to newIndex. The item is taken from scrapitems if an item exists
 * in scrapItems at oldPosition. Otherwise the item is taken from items. This assumes that there
 * is no item at newIndex for the items array. If that's the case
 * {@link ComponentHostUtils#scrapItemAt(int, SparseArrayCompat, SparseArrayCompat)}
 * has to be called before invoking this.
 */// ww  w.j  ava 2  s .  c  o  m
static <T> void moveItem(int oldIndex, int newIndex, SparseArrayCompat<T> items,
        SparseArrayCompat<T> scrapItems) {
    T itemToMove;

    if (existsScrapItemAt(oldIndex, scrapItems)) {
        // Before moving the item from items we need to check whether an old item has been put in
        // the scrapItems array. If there is an item at oldIndex there, it means that in
        // items at position oldIndex there's now something else and the correct item to move to
        // newIndex is instead in the scrapItems SparseArray.
        itemToMove = scrapItems.get(oldIndex);
        scrapItems.remove(oldIndex);
    } else {
        itemToMove = items.get(oldIndex);
        items.remove(oldIndex);
    }

    items.put(newIndex, itemToMove);
}

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From source file:com.granita.tasks.groupings.BaseTaskViewDescriptor.java

protected <T extends View> T getView(View view, int viewId) {
    SparseArrayCompat<View> viewHolder = (SparseArrayCompat<View>) view.getTag();
    if (viewHolder == null) {
        viewHolder = new SparseArrayCompat<View>();
        view.setTag(viewHolder);//from  www. j a  v  a 2  s .  c  o  m
    }
    View res = viewHolder.get(viewId);
    if (res == null) {
        res = view.findViewById(viewId);
        viewHolder.put(viewId, res);
    }
    return (T) res;
}

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From source file:com.dm.material.dashboard.candybar.adapters.RequestAdapter.java

public boolean isContainsRequested() {
    SparseArrayCompat<Request> requests = getSelectedApps();
    boolean requested = false;
    for (int i = 0; i < requests.size(); i++) {
        if (requests.get(i).isRequested()) {
            requested = true;/*from   ww w . ja v a  2 s .c om*/
            break;
        }
    }
    return requested;
}

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From source file:com.mvcoding.financius.data.paging.PageLoader.java

@NonNull
public Observable<PageResult<T>> load(@NonNull DataConverter<T> dataConverter,
        @NonNull DatabaseQuery databaseQuery, @NonNull Observable<Page> pageObservable) {
    final SparseArrayCompat<T> cache = new SparseArrayCompat<>();
    final Observable<Cursor> cursorObservable = database.load(databaseQuery).doOnNext(cursor -> cache.clear());

    return Observable.combineLatest(pageObservable, cursorObservable, (page, cursor) -> {
        final List<T> items = new ArrayList<>();
        for (int i = page.getStart(), size = Math.min(cursor.getCount(),
                page.getStart() + page.getSize()); i < size; i++) {
            T item = cache.get(i);
            if (item == null) {
                cursor.moveToPosition(i);
                item = dataConverter.from(cursor);
                cache.put(i, item);/*from www  . j a  v a2 s.  c  o  m*/
            }
            items.add(item);
        }

        return new PageResult<>(page, items, cache.size() == items.size());
    });
}

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From source file:com.dm.material.dashboard.candybar.databases.Database.java

private void resetDatabase(SQLiteDatabase db) {
    Cursor cursor = db.rawQuery("SELECT name FROM sqlite_master WHERE type=\'table\'", null);
    SparseArrayCompat<String> tables = new SparseArrayCompat<>();
    if (cursor.moveToFirst()) {
        do {/* www.  java 2  s.c o m*/
            tables.append(tables.size(), cursor.getString(0));
        } while (cursor.moveToNext());
    }
    cursor.close();

    for (int i = 0; i < tables.size(); i++) {
        try {
            String dropQuery = "DROP TABLE IF EXISTS " + tables.get(i);
            if (!tables.get(i).equalsIgnoreCase("SQLITE_SEQUENCE"))
                db.execSQL(dropQuery);
        } catch (Exception ignored) {
        }
    }
    onCreate(db);
}

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From source file:com.dm.material.dashboard.candybar.helpers.MuzeiHelper.java

@Nullable
public Wallpaper getRandomDownloadedWallpaper() throws Exception {
    SparseArrayCompat<Wallpaper> downloaded = new SparseArrayCompat<>();
    List<Wallpaper> wallpapers = mDatabase.getWallpapers();
    for (Wallpaper wallpaper : wallpapers) {
        File file = new File(mDirectory + File.separator + wallpaper.getName() + FileHelper.IMAGE_EXTENSION);
        if (file.exists()) {
            downloaded.append(downloaded.size(), wallpaper);
        }/*w  w w . j a  v a2s.com*/
    }

    wallpapers.clear();
    int size = downloaded.size();
    if (size > 0) {
        int position = getRandomInt(size);
        return new Wallpaper(downloaded.get(position).getName(), downloaded.get(position).getAuthor(),
                downloaded.get(position).getURL(), downloaded.get(position).getThumbUrl());
    }
    return null;
}

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