iOS 搖一搖，iOS

iOS 搖一搖，iOS

- (void)viewDidLoad {    [super viewDidLoad];    [[UIApplication sharedApplication] setApplicationSupportsShakeToEdit:YES];//設定搖一搖時是否支援redo和undo操作，預設時為yes，所以這句可以不寫    [self becomeFirstResponder];//將當前控制器設定為第一響應者，只有第一響應者能夠響應搖一搖的觸發事件}//開始搖一搖時的回應程式法- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event {    NSLog(@"開始搖一搖");}//取消搖一搖時的回應程式法（例如有電話打進來取消了搖一搖）- (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event {    NSLog(@"取消搖一搖");}//搖一搖結束時的回應程式法- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {    if (motion != UIEventSubtypeMotionShake) {//判斷手勢是否是晃動手勢        return;    }    self.view.backgroundColor = [UIColor redColor];    NSLog(@"搖一搖結束");}