已采纳回答 / qq_苦瓜_3
有用,我用mosonry 框架写的约束,在执行动画时更新约束条件即可- (void)movingBtnClicked:(UIButton*)btn{ self.isLeft = !self.isLeft;// [self.view setNeedsUpdateConstraints];// [self.view updateConstraintsIfNeeded];// [self.view updateConstraints]; [self updateViewConstr...
2015-06-04