android - Screen capture causing heap to grow -

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i trying take screenshot using code below:

final view rootview = getrootview(); rootview.setdrawingcacheenabled(true); bitmap bmp = bitmap.createbitmap(rootview.getdrawingcache()); rootview.setdrawingcacheenabled(false);

once captured, storing screenshot in arraylist<bitmap>. 

mreporter.addbitmap(bmp);

the problem is, every time whole process performed heap grows large amount. how can avoid heap growing large?

my log showing info might helpful:

05-08 20:11:48.443: i/dalvikvm-heap(18497): grow heap (frag case) 31.288mb 6819856-byte allocation

edit:

am storing max of 3 images in arraylist

you can not. everytime store new bitmap inside arraylist. can either downsampling bitmaps or can keep few bitmaps in arraylist


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