How to use

recycle

method

in

com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView

void clear() {
  SubsamplingScaleImageView ssiv = itemImage.getSSIV();
  if (ssiv != null) {
    ssiv.recycle();
  }
}

@Override
public void onDestroy() {
  final SubsamplingScaleImageView imageView = itemView.findViewById(R.id.subsampling);
  if (imageView != null) {
    imageView.recycle();
  }
  super.onDestroy();
}

@Override
public void destroyItem(ViewGroup container, int position, Object object) {
  if (photos != null && photos.size() > 0 && position < photos.size()) {
    Photo photo = photos.get(position);
    if (photo.isLongPhoto()) {
      SubsamplingScaleImageView imageView = (SubsamplingScaleImageView) object;
      if (imageView != null) {
        imageView.recycle();
      }
    }
    FrescoImageLoader.evictFromMemoryCache(photo.getPath());
  }
  container.removeView((View) object);
}

@Override
public void destroyItem(ViewGroup container, int position, Object object) {
  if (wkRequest != null && wkRequest.containsKey(position)) {
    wkRequest.remove(position);
  }
  if (photoPagerBean != null && photoPagerBean.getBigImgUrls().size() > 0 && position < photoPagerBean.getBigImgUrls().size()) {
    View view = ((FrameLayout) object).findViewWithTag(position);
    if (view != null && view instanceof SubsamplingScaleImageView) {
      SubsamplingScaleImageView imageView = (SubsamplingScaleImageView) view;
      imageView.recycle();
    }
    FrescoImageLoader.evictFromMemoryCache(photoPagerBean.getBigImgUrls().get(position));
  }
  container.removeView((View) object);
}

private void setWallpaper(int which) {
  try {
    WallpaperManager wallpaperManager = WallpaperManager.getInstance(this);
    InputStream inputStream = getContentResolver().openInputStream(imageUri);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
      Rect croppedRect = getCroppedRect();
      switch (which) {
        case HOME_SCREEN:
          wallpaperManager.setStream(inputStream, croppedRect, true, WallpaperManager.FLAG_SYSTEM);
          break;
        case LOCK_SCREEN:
          wallpaperManager.setStream(inputStream, croppedRect, true, WallpaperManager.FLAG_LOCK);
          break;
        case BOTH:
          wallpaperManager.setStream(inputStream, croppedRect, true);
          break;
      }
    } else {
      wallpaperManager.setStream(inputStream);
    }
    SubsamplingScaleImageView imageView = findViewById(R.id.imageView);
    imageView.recycle();
    this.finish();
  } catch (IOException | IllegalArgumentException e) {
    e.printStackTrace();
    Toast.makeText(this, R.string.error, Toast.LENGTH_SHORT).show();
  }
}

public static void bindSubsamplingImageView(SubsamplingScaleImageView imageView, Photo photo,
                      SubsamplingScaleImageView.DefaultOnImageEventListener onImageEventListener) {
  imageView.recycle();
  ImageViewState imageViewState = null;
  if (photo.getImageViewSavedState() != null) {
    imageViewState = (ImageViewState) photo.getImageViewSavedState();
    photo.putImageViewSavedState(null);
  }
  imageView.setImage(
      ImageSource.uri(photo.getUri(imageView.getContext())),
      imageViewState);
  if (onImageEventListener != null) {
    imageView.setOnImageEventListener(onImageEventListener);
  }
}