ios - Subviewing an XIB having Auto-layout -

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i have created xib , used autolayout. showing if check in preview pan. enter image description here

now tried load nib , add subview viewcontroller using following code:

mynibview = [[nsbundle mainbundle]loadnibnamed:@"customnib" owner:self options:nil].lastobject; mynibview.translatesautoresizingmaskintoconstraints = no; [self.view mynibview];

this time scattering views shown in image below. enter image description here

i enable logging , checked frame of subview, frame of xib(subview) changed per view of uiviewcontroller subviews of xib didn't arranged that.

2015-03-21 14:38:13.527 [3015:77723] newsubview.frame before = {{0, 0}, {420, 613}} 2015-03-21 14:38:13.633 [3015:77723] containerview.bounds after = {{0, 0}, {320, 504}} 2015-03-21 14:38:13.634 [3015:77723] newsubview.frame after = {{0, 0}, {320, 504}}

is there idea, how add xib subview retaining auto layout constraints work there in xib ?

do not use mynibview.translatesautoresizingmaskintoconstraints = no; because remove constrains view


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