?????????
????1) Intro to Compute and Memory Problems
????Android?е?Java????????????????????????е????????????д???????Java???????????Ч???????for???????д???????????????δ???????????Ч??????????а?????????????????????????????????????????????????????????????????????????????????????в???
????2) Slow Function Performance
?????????д????δ??????????Ч????????е????????????????????Щ?????п????????δ???????Ч??????磺???????float?????С??????????int?????4??????????????CPU???????????μ????????????


????????????CPU????????????????????????????????????????????????????????????????д????????????????????????????
????????????????????Ч???????????1??????????????????????????????????????Щ????????????????????2?????????????????????κ?????????????д????????Ч???????????????????
?????????Щ???Ч????????????Android SDK??????????????????????????????????????
????3) Traceview Walkthrough
???????Android Studio???????Android Device Monitor???л???DDMS??????????????????????????????????????Start Method Tracing????????????????


??????????????????app?????Щ??????????????????绬??listview??????Щ????????????????????????????????Android Device Monitor????ε??Method Tracing???????????????????????????????TraceView??????????

????????TraceView???????????β??????????????к????????????
????4) Batching and Caching
???????????????????????????2???????????????Batching??Caching??
????Batching??????????????????????????????????????????????????????????????????????????????????????????????????С?????????????????????????????????????????????ж??????????????????????????????д?????????????????????