EarlyRelease Nowthatmorepeoplespendmoretimeinteractingwithmobileappsthanwiththeirdesktopcounterparts,youneedtothinkaboutyouriOSapp’sperformancethemomentyouwriteyourfirstlineofcode.Thispracticalhands-onguideshowsyouhow. Throughspecificandconcisetipsfor