慎用Glide preload

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       Glide.with(context).load(url)
                .diskCacheStrategy(DiskCacheStrategy.SOURCE)
                .preload(width, height)

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trying to use a recycled bitmap android.graphics.Bitmap@ebc63e9

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    public Target<TranscodeType> preload(int width, int height) {
        final PreloadTarget<TranscodeType> target = PreloadTarget.obtain(width, height);
        return into(target);
    }

    //进入preloadTarget 源码
    public final class PreloadTarget<Z> extends SimpleTarget<Z> {

    /**
     * Returns a PreloadTarget.
     *
     * @param width The width in pixels of the desired resource.
     * @param height The height in pixels of the desired resource.
     * @param <Z> The type of the desired resource.
     */
    public static <Z> PreloadTarget<Z> obtain(int width, int height) {
        return new PreloadTarget<Z>(width, height);
    }

    private PreloadTarget(int width, int height) {
        super(width, height);
    }

    @Override
    public void onResourceReady(Z resource, GlideAnimation<? super Z> glideAnimation) {
        Glide.clear(this);
    }
}

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  /**
     * Cancel any pending loads Glide may have for the target and free any resources (such as {@link Bitmap}s) that may
     * have been loaded for the target so they may be reused.
     *
     * @param target The Target to cancel loads for.
     */
    public static void clear(Target<?> target) {
        Util.assertMainThread();
        Request request = target.getRequest();
        if (request != null) {
            request.clear();
            target.setRequest(null);
        }
    }

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      Glide.with(context).load(url)
                .diskCacheStrategy(DiskCacheStrategy.SOURCE)
                .into(width, height)