not being able to use readProcLines() of Process in android

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http://stackoverflow.com – I am trying to use the methods of Process in android to check the memory status. But whenever I try to use the method readProcLines() , Eclipse is showing error. The method although present is undocumented and eclipse seems not to able to find it. Can you tell me what should I do use this function. I imported android.os.Process; I cant use the method getPids() also. (HowTos)