Please refer to https://developer.android.com/tools/debugging/debugging-memory.html,http://android-developers.blogspot.com/2011/03/memory-analysis-for-android.html.
In DDMS, got an Android HPROF file.
Run SDK tool hprof-conv.exe to convert the AndroidHPROF file to the J2SE HPROF file.
hprof-convheap-original.hprof heap-converted.hprof
Download MAT from http://www.eclipse.org/mat/downloads.php.
Run MAT to view the J2SE HPROF file.
原文：http://blog.csdn.net/liqingxu2005/article/details/45580329