xcode - Tab Bar Controller- switch UIView within one tab -


ok here applications setup: 2 xib's

mainwindow.xib newsletterview.xib

set follows: mainwindow.xib files owner first responder delegate window tab bar controller--setup load tabs .xib's 2 tabs -newsletter -map

i'm not concerned map tab.

within newsletterview.xib ( have .h , .m files setup)

files owner set class newsletterviewcontroller via interface builder.
first responder
, 2 views:
view- setup newssignupview via iboutlet - first view loads on selected tab.
view - setup newsreaderview via iboutlet

i want able click button (assigned via ibaction) on newssignupview flip horizontally reveal newsreaderview.

this have far:

-(ibaction) revealnewsreaderview  {cgcontextref context = uigraphicsgetcurrentcontext(); [uiview beginanimations:nil context:context]; [uiview setanimationtransition: uiviewanimationtransitionflipfromleft forview:newssignupview cache:yes]; [uiview setanimationcurve:uiviewanimationcurveeaseinout]; [uiview setanimationduration:1.0];   [self.view exchangesubviewatindex:0 withsubviewatindex:1]; [uiview commitanimations]; }

this flips view doesn't change view shown.

can provide code, or point out im going wrong?

thanks in advance.

you can download apple's sample see implementation of flipping between 2 views in same frame. http://developer.apple.com/library/ios/#samplecode/uicatalog/introduction/intro.html


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