title: How to empty or clear heap memory dynamically in my code
body: <p>In my application i am using simple gallery  and the coverflow both 
  i have my coverflow image gallery on image clicked in coverflow  i am redirected to next activity that contents full screen gallery and i can even scroll my fullscreen gallery ;
  but when i put more amount of image or high resolution images in my app it get force closed due to Bitmap size exceeds VM budget</p>
  
  <p>so i want  to clear heap memory every time i finish my cover flow and gallery so i can load any amount or any resolution image in my app
  so if any one can help me out ...
  How to clear/empty  heap memory every time when i finish my activity dynamically in my code?
  i have already tried recycle and System.gc method </p>