We are trying to preload images into cache memory to load them later (the images are located in the Asset folder of the application)
What we tried:
Glide.with(this) .load(pictureUri) .diskCacheStrategy(DiskCacheStrategy.ALL); Glide.with(this) .load(picture_uri) .diskCacheStrategy(DiskCacheStrategy.ALL) .preload();
The issue: Images are cached only when we are trying to load/display them: They have to be loaded in memory before so that they appear faster.
Glide.with(this) .load(picture_uri) .into(imageView);
We also tried to use a GlideModule to increase the CacheMemory size:
public class GlideModule implements com.bumptech.glide.module.GlideModule { @Override public void applyOptions(Context context, GlideBuilder builder.setMemoryCache(new LruResourceCache(100000)); } @Override public void registerComponents(Context context, Glide glide) { } }
In the manifest:
<meta-data android:name=".GlideModule" android:value="GlideModule"/>
Nothing is working so far. Any idea?
We trying to use an invisible 1 dp imageView, but the result is the same:
for(Drawing drawing: getDrawingsForTab(tab)){ Glide.with(this) .load(drawing.getImage().toUri()) .dontAnimate() .diskCacheStrategy(DiskCacheStrategy.ALL) .into(mPreloadCacheIv); for(Picture picture : getPictures()){ Glide.with(this) .load(picture.getPicture().toUri()) .dontAnimate() .diskCacheStrategy(DiskCacheStrategy.ALL) .into(mPreloadCacheIv); } }
By default, Glide uses memory and disk caching to avoid unnecessary network calls, it checks into multiple layers of caches before initiating a new request call for an image.
To preload responsive images, new attributes were recently added to the <link> element: imagesrcset and imagesizes . They are used with <link rel="preload"> and match the srcset and sizes syntax used in <img> element. This kicks off a request using the same resource selection logic that srcset and sizes will apply.
Use the following code to cache images without displaying them
using the downloadOnly
method if you are looking to download images from the web and store them in the diskCache:
FutureTarget<File> future = Glide.with(applicationContext) .load(yourUrl) .downloadOnly(500, 500);
using preload
method if you want to load them into the Memory Cache.
Glide.with(context) .load(url) .preload(500, 500);
You can later use the cached images using
Glide.with(yourFragment) .load(yourUrl) .into(yourView);
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