How to empty or clear heap memory dynamically

android heap-memory forceclose
unkown picture unkown · Apr 17, 2012 · Viewed 8.6k times · Source

My project is totally bases on images. I am using a gallery and a coverflow in my project and due to less heap size the app is forcefully close.

So every time I load my app I want to clear heap size, so I can reuse it.
I have used System.gc() & recycle () method in gallery and coverflow, but my gallery and coverflow, are inter-related so the object is always referenced, so System.gc() and recycle() are not having effect and my gallery and coverflow still crashes at a random point of time while using it.

For some reason I can't show my code here and even if, it is very big so I can't manage to show here.

Please help me out & thanks for reading this question.

Answer

Kumar Bibek picture Kumar Bibek · Apr 17, 2012

Well, You don't have any real control over forcing the GC to run. It runs on it's own, whenever it thinks it's time.

When does System.gc() do anything

So, the only option that you have is to judiciously use images and bitmaps.

Hint => Use soft references. http://developer.android.com/reference/java/lang/ref/SoftReference.html

Related questions

Detect application heap size in Android

How do you programmatically detect the application heap size available to an Android app? I heard there's a function that does this in later versions of the SDK. In any case, I'm looking for solution that works for 1.5 and upwards.

Read More
How to analyze memory using android studio

Recently switch to android studio from eclipse. How to check app heap and memory allocation in android studio? In Eclipse we have MAT is there anything in the studio to check heap dump, hprof file?

Read More
Why application is dying randomly?

I am developing an music player app. All works fine except the app dies suddenly. Sometimes this happens when the app starts, and sometimes after running for long time. Sometimes all goes well without app getting died. I observed the …

Read More