Anybody knows why the returned of getNativeFreeHeapSize() is different from memFree info using adb shell cat /proc/meminfo

I thought both should return free开发者_运维问答 memory size

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This might have something to do with Bitmap pixel data being allocated inside Native heap, although it is counted towards Dalvik heap.(pre honeycomb)

I recommend checking this:

http://www.youtube.com/watch?v=_CruQY55HOk