We may meet the case that we wanna pop the leftViewController programmatically in the landscape mode. One way to do this
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UIBarButtonItem *masterButton = [[UIBarButtonItem alloc] initWithTitle:@"Menu"
style:UIBarButtonItemStyleBordered target:self.splitViewController action:@selector(toggleMasterVisible:)]; |
However, this method is using a private API toggleMasterVisible provided by the apple, so it may get reject for your app when you try to upload it into the store.
A correct way to do so is
//Show: [[self masterPopoverController] presentPopoverFromBarButtonItem:[self masterPopoverBarButtonItem] permittedArrowDirections:UIPopoverArrowDirectionUp animated:NO]; //Hide: if ([[self masterPopoverController] isPopoverVisible]) { [[self masterPopoverController] dismissPopoverAnimated:YES]; }
弹出MasterViewController的正确方法,布布扣,bubuko.com
原文：http://www.cnblogs.com/toddios/p/3572689.html