Detect application heap size in Android

Question

How do you programmatically detect the application heap size available to an Android app?

I heard there\'s a function that does this in later versions of the SDK. In

Answer 1

Runtime rt = Runtime.getRuntime();
rt.maxMemory()

value is b

ActivityManager am = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
am.getMemoryClass()

value is MB