本文整理了Java中com.bumptech.glide.util.Util类的一些代码示例，展示了Util类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util类的具体详情如下：
包路径：com.bumptech.glide.util.Util
类名称：Util

Util介绍

[英]A collection of assorted utility classes.
[中]各种各样的实用程序类的集合。

代码示例

代码示例来源：origin: bumptech/glide

/**
 * Returns the allocated byte size of the given bitmap.
 *
 * @see #getBitmapByteSize(android.graphics.Bitmap)
 * @deprecated Use {@link #getBitmapByteSize(android.graphics.Bitmap)} instead. Scheduled to be
 * removed in Glide 4.0.
 */
@Deprecated
public static int getSize(@NonNull Bitmap bitmap) {
 return getBitmapByteSize(bitmap);
}

代码示例来源：origin: bumptech/glide

public final boolean isValidOverride() {
 return Util.isValidDimensions(overrideWidth, overrideHeight);
}

代码示例来源：origin: bumptech/glide

private String calculateHexStringDigest(Key key) {
 PoolableDigestContainer container = Preconditions.checkNotNull(digestPool.acquire());
 try {
  key.updateDiskCacheKey(container.messageDigest);
  // calling digest() will automatically reset()
  return Util.sha256BytesToHex(container.messageDigest.digest());
 } finally {
  digestPool.release(container);
 }
}

代码示例来源：origin: bumptech/glide

@Override
public boolean equals(Object obj) {
 if (obj instanceof GifUrlSet) {
  GifUrlSet other = (GifUrlSet) obj;
  return Util.bothNullOrEqual(original, other.original)
    && Util.bothNullOrEqual(fixed_width, other.fixed_width)
    && Util.bothNullOrEqual(fixed_height, other.fixed_height);
 }
 return false;
}

代码示例来源：origin: bumptech/glide

/**
 * Returns {@code true} if called on a background thread, {@code false} otherwise.
 */
public static boolean isOnBackgroundThread() {
 return !isOnMainThread();
}

代码示例来源：origin: bumptech/glide

/**
 * Clears some memory with the exact amount depending on the given level.
 *
 * @see android.content.ComponentCallbacks2#onTrimMemory(int)
 */
public void trimMemory(int level) {
 // Engine asserts this anyway when removing resources, fail faster and consistently
 Util.assertMainThread();
 // memory cache needs to be trimmed before bitmap pool to trim re-pooled Bitmaps too. See #687.
 memoryCache.trimMemory(level);
 bitmapPool.trimMemory(level);
 arrayPool.trimMemory(level);
}

代码示例来源：origin: bumptech/glide

/**
 * Clears disk cache.
 *
 * <p>
 *     This method should always be called on a background thread, since it is a blocking call.
 * </p>
 */
// Public API.
@SuppressWarnings({"unused", "WeakerAccess"})
public void clearDiskCache() {
 Util.assertBackgroundThread();
 engine.clearDiskCache();
}

代码示例来源：origin: bumptech/glide

/**
 * Returns the hex string of the given byte array representing a SHA256 hash.
 */
@NonNull
public static String sha256BytesToHex(@NonNull byte[] bytes) {
 synchronized (SHA_256_CHARS) {
  return bytesToHex(bytes, SHA_256_CHARS);
 }
}

代码示例来源：origin: bumptech/glide

@SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
PreloadTargetQueue(int size) {
 queue = Util.createQueue(size);
 for (int i = 0; i < size; i++) {
  queue.offer(new PreloadTarget());
 }
}

代码示例来源：origin: bumptech/glide

/**
 * Returns the in memory size of {@link android.graphics.Bitmap} with the given width, height, and
 * {@link android.graphics.Bitmap.Config}.
 */
public static int getBitmapByteSize(int width, int height, @Nullable Bitmap.Config config) {
 return width * height * getBytesPerPixel(config);
}

代码示例来源：origin: bumptech/glide

@Override
public boolean equals(Object o) {
 if (o instanceof Key) {
  Key other = (Key) o;
  return size == other.size
    && Util.bothNullOrEqual(config, other.config);
 }
 return false;
}

代码示例来源：origin: bumptech/glide

/**
 * Throws an {@link java.lang.IllegalArgumentException} if called on a thread other than the main
 * thread.
 */
public static void assertMainThread() {
 if (!isOnMainThread()) {
  throw new IllegalArgumentException("You must call this method on the main thread");
 }
}

代码示例来源：origin: bumptech/glide

/**
 * Clears as much memory as possible.
 *
 * @see android.content.ComponentCallbacks#onLowMemory()
 * @see android.content.ComponentCallbacks2#onLowMemory()
 */
public void clearMemory() {
 // Engine asserts this anyway when removing resources, fail faster and consistently
 Util.assertMainThread();
 // memory cache needs to be cleared before bitmap pool to clear re-pooled Bitmaps too. See #687.
 memoryCache.clearMemory();
 bitmapPool.clearMemory();
 arrayPool.clearMemory();
}

代码示例来源：origin: bumptech/glide

private synchronized R doGet(Long timeoutMillis)
  throws ExecutionException, InterruptedException, TimeoutException {
 if (assertBackgroundThread && !isDone()) {
  Util.assertBackgroundThread();

代码示例来源：origin: guolindev/giffun

/**
 * Returns the hex string of the given byte array representing a SHA1 hash.
 */
public static String sha1BytesToHex(byte[] bytes) {
  synchronized (SHA_1_CHARS) {
    return bytesToHex(bytes, SHA_1_CHARS);
  }
}

代码示例来源：origin: guolindev/giffun

public PreloadTargetQueue(int size) {
  queue = Util.createQueue(size);
  for (int i = 0; i < size; i++) {
    queue.offer(new PreloadTarget());
  }
}

代码示例来源：origin: guolindev/giffun

/**
 * Returns the in memory size of {@link Bitmap} with the given width, height, and
 * {@link Bitmap.Config}.
 */
public static int getBitmapByteSize(int width, int height, Bitmap.Config config) {
  return width * height * getBytesPerPixel(config);
}

代码示例来源：origin: bumptech/glide

@Override
public String logBitmap(Bitmap bitmap) {
 int size = Util.getBitmapByteSize(bitmap);
 return getBitmapString(size, bitmap.getConfig());
}

代码示例来源：origin: bumptech/glide

/**
 * Creates a new {@code CustomTarget} that will return the given {@code width} and {@code height}
 * as the requested size (unless overridden by
 * {@link com.bumptech.glide.request.RequestOptions#override(int)} in the request).
 *
 * @param width The requested width (>= 0, or == Target.SIZE_ORIGINAL).
 * @param height The requested height (>= 0, or == Target.SIZE_ORIGINAL).
 */
public CustomTarget(int width, int height) {
  if (!Util.isValidDimensions(width, height)) {
  throw new IllegalArgumentException(
    "Width and height must both be > 0 or Target#SIZE_ORIGINAL, but given" + " width: "
      + width + " and height: " + height);
 }
 this.width = width;
 this.height = height;
}

代码示例来源：origin: bumptech/glide

@Override
public boolean equals(Object obj) {
 if (obj instanceof GifResult) {
  GifResult other = (GifResult) obj;
  return Util.bothNullOrEqual(id, other.id)
    && Util.bothNullOrEqual(images, other.images);
 }
 return false;
}