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??????ViewStub????????????????ViewStub???????????????????ViewStub???????????????????

????????????ViewStub???Щ???

????1. ViewStub???Inflate??Σ????ViewStub??????????????仰????????ViewStub?????????Inflate???????????ViewStub???????????

????2. ViewStub???????Inflate??????????????????????????View???????????Viewд?????????????С?

?????????????????????????????ViewStub??????У?

????1. ??????????????????????Inflate???????б仯???????????????

???????ViewStub???Inflate??Σ?????????????????????????????ViewStub??????????????????????????????ε?????????????????????ViewStub????????????????????View???????????????

????2. ??????????????????????????????????????View??

????????????ViewStub???????????????????Id??????????????????????View??

??????????????????????View(??Button??TextView)????????????????????????????????????????????????View????????View?????????????