iphone - Initial Interface Orientation to Landscape iOS 9 -

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technical note tn2244: launching iphone application in landscape states:

the values of uisupportedinterfaceorientations key determine how status bar positioned while the app launching. in ios 7 , below, if uiinterfaceorientationportrait value present, status bar positioned portrait orientation. otherwise, status bar positioned according first orientation appears under uisupportedinterfaceorientations key.

so in ios 8 fine put uiinterfaceorientationlandscape first in uisupportedinterfaceorientations list have app start in landscape.

it not work anymore in ios 9. having uiinterfaceorientationportrait in list @ any position forces app start in portrait.

question

is there known workaround this? need app start in landscape.

note: using viewcontrollers' supportedinterfaceorientations() method not option takes effect after launchscreen presented.

having uiinterfaceorientationportrait in list @ position forces app start in portrait.

that absolutely correct — detective work. took me lot of experimentation figure out! huge change ios 8. have summed situation well.

fortunately, workaround simple. in info.plist, include 2 landscape orientations. app launch whichever 1 first.

now implement application:supportedinterfaceorientationsforwindow: in app delegate return all. way, when time comes show portrait view controller, legal so.

in other words, think of info.plist launching app needs know, , application:supportedinterfaceorientationsforwindow: running app needs know.


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