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Questions tagged [android-lru-cache]

LruCache holds strong references to a limited number of values. Each time a value is accessed, it is moved to the head of a queue. When a value is added to a full cache, the value at the end of that queue is evicted and may become eligible for garbage collection.

LruCache holds strong references to a limited number of values. Each time a value is accessed, it is moved to the head of a queue. When a value is added to a full cache, the value at the end of that queue is evicted and may become eligible for garbage collection.

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Implementing LruCache

I am trying to implement Lru Cache into my program to have my listview scroll faster. I am not sure what to place in the Bitmap value of addBitmapToCache(String key, Bitmap bitmap (indicated by XXXXXX). Anyone have a suggestion? Thank you. public…
Michael
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Using DiskLruImageCache in a class

I am trying follow this answer to cache the bitmaps that I need to display in a listview. But there is no mentioning anywhere on how to use it in a class. Can anyone give me a sample code on how to use the DiskLruImageCache in a class? EDIT This is…
Harikrishnan
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LruCache not working with imageAdapter

I'm having 11 images in my resources. I use a GridView to display them. Because images take a lot of space in my ImageAdapter class I calculate sample size and then decode the resouce as per the tutorial here to efficient load an image. Before I…
t0s
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Android caching network response for certain time limit

I am currently using HttpClient to perform a network request which returns a JSON object. I would like to cache the data that comes back and set an expiration of ten minutes to that cached data. I have looked into using LruCache, SQLite, and shared…
Tim Kipp
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BitmapFun down sampling my images too aggressively

I am using BitmapFun from the training materials to display my images in a GridView. But the code is returning very blurry images. I tracked one of the culprits to line 184 of class ImageResizer in the method decodeSampledBitmapFromDescriptor.…
learner
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How do I use android LRU cache with images from my server

I am trying to understand how to use android LRU cache so that I can use it in my app. I have an app that is all about images. One activity displays a GridView of images, another displays a fullscreen image, and besides those two activities images…
learner
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Using cache to store Bitmaps

I am using LruCache to store Bitmaps. Here is the async task I run to store the bitmap. new AsyncTask() { @Override protected Bitmap doInBackground(Void... args) { String url = d.getImageUrl(); …
jimbob
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android Lrucache: unable to retrieve cached bitmap

I am able to insert bitmap into LruCache but fails to retrieve previous decoded image. i am having more than 100 images in my db. when i am deoding it my gc mmemory is increasing.so i am implementing this to reuse the decoded image. protected void…
Pratik Deogade
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Android ListView with AsyncTask image issue

I have a ListView which shows some certain contacts from phone book. I use this https://stackoverflow.com/a/10235381/1809507 as Cache class and use AsyncTask. When a contact does not have a photo I use a default one. I set the default one inside…
edoniti
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Android: keep track of number of objects in cache

I am building a gallery using a ViewPager. Every time a photo is downloaded I immediately cache it in mMemoryCache which is mMemoryCache = new LruCache(cacheSize) { @Override protected int sizeOf(Integer key, Bitmap…
Yotam
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Image management: When to recycle bitmaps?

I've read When should I recycle a bitmap using LRU Cache and several other questions here, and am still struggling with OutOfMemoryExceptions. But I'm getting ahead of myself. I'm taking over an app that displays a tremendous amount of images.…
Carl Anderson
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Cannot display full size image in ImagePreview

I have recently modified my Camera to capture and display full-size images,the size on the Galaxy Nexus is 2592 X 1944.I have tried using an LruCache when capturing the image and displaying it in the preview.Where the image should have been there is…
vamsiampolu
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How to make LruCache only accept key?

LruCache is a map, but I want to use LruCache to only cache strings, i.e. I want LruCache to work as a HashSet. How should I define a LruCache class? LruCache won't work, because when my code called lruCache.put("abc", null),…
Kai
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How to prevent memory allocation when using an LRUCache?

I'm developing a game for the Android mobile platform, and everything is going great. However, I'm at a point where'd I'd like to address a few problems I've noticed whilst I've been developing and have ignored until now. I'm using an LRUCache to…
Kavan
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Add objects to LRUCache

I want to cache objects of custom claas, which implements serializable using LRUCache in android. It is possible? If yes, how can I proceed to do the same?
Pankaj Deshpande
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