BitmapPoolAdapter.java

package com.bumptech.glide.load.engine.bitmap_recycle;

import android.graphics.Bitmap;
import android.support.annotation.NonNull;

/**
 * An {@link com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool BitmapPool} implementation
 * that rejects all {@link android.graphics.Bitmap Bitmap}s added to it and always returns {@code
 * null} from get.
 */
public class BitmapPoolAdapter implements BitmapPool {
  @Override
  public int getMaxSize() {
    return 0;
  }

  @Override
  public void setSizeMultiplier(float sizeMultiplier) {
    // Do nothing.
  }

  @Override
  public void put(Bitmap bitmap) {
    bitmap.recycle();
  }

  @NonNull
  @Override
  public Bitmap get(int width, int height, Bitmap.Config config) {
    return Bitmap.createBitmap(width, height, config);
  }

  @NonNull
  @Override
  public Bitmap getDirty(int width, int height, Bitmap.Config config) {
    return get(width, height, config);
  }

  @Override
  public void clearMemory() {
    // Do nothing.
  }

  @Override
  public void trimMemory(int level) {
    // Do nothing.
  }
}