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Return the approximate per-application memory class of the current device when an application is running with a large heap. This is the space available for memory-intensive applications; most applications should not need this amount of memory, and should instead stay with the ActivityManager.MemoryClass limit. The returned value is in megabytes. This may be the same size as ActivityManager.MemoryClass on memory constrained devices, or it may be significantly larger on devices with a large amount of available RAM.
The is the size of the application's Dalvik heap if it has specified android:largeHeap="true" in its manifest.