Android image turn back when come to forground from background

Hi,
I am porting game from iPhone to Android.I have ported all the things,but when i press home button games go to background.
When come back to foreground some-time the sprite not loaded correctly it show the black rectangle.

Please suggest me solution.

Thank you.

Sameer m also fighting with same issue on windows.
It not only comes with my game but also frequently come in “Test-cpp” which example by cocos.