Android: how to increase heap size at runtime?

Question

I have an image cache in my application which is implemented using SoftReferences. Dalvik starts applications with relatively small heap, and then increases it in case of de

Answer 1

you can't increase the heap size dynamically.

you can request to use more by using android:largeHeap="true" in the manifest, but you might not get any more heap size than normal, since it's only a request.

also, you can use native memory, so you actually bypass the heap size limitation.

here are some posts i've made about it:

• How to cache bitmaps into native memory

• JNI bitmap operations , for helping to avoid OOM when using large images

and here's a library i've made for it:

• https://github.com/AndroidDeveloperLB/AndroidJniBitmapOperations