A.dispatch_queue_tB.NSOperationQueueC.NSOperationD.以上都不對(duì)
A.–will Rotate To Interface Orientation:durationB.–will Animate Rotation To Interface Orientation:durationC.-did Rotate From Interface OrientationD.-supported Interface Orientations
A.UIBarStyleDefaultB.UIBarStyleBlackC.searchBar:textDidChangeD.UIBarStyleBlackTranslucent