I'm following the tutorial over at designcode.io but neither the back button or the animation is working. I get the following error on the debug console.
2016-08-02 16:51:05.249 DNApp[2325:1217701] Unknown class SpringImageView in Interface Builder file. 2016-08-02 16:51:05.254 DNApp[2325:1217701] Failed to set (animation) user defined inspected property on (UIImageView): [<UIImageView 0x15fd543a0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key animation. 2016-08-02 16:51:05.254 DNApp[2325:1217701] Failed to set (autostart) user defined inspected property on (UIImageView): [<UIImageView 0x15fd543a0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key autostart.
I'm following the tutorial over at designcode.io but neither the back button or the animation is working. I get the following error on the debug console.
2016-08-02 16:51:05.249 DNApp[2325:1217701] Unknown class SpringImageView in Interface Builder file. 2016-08-02 16:51:05.254 DNApp[2325:1217701] Failed to set (animation) user defined inspected property on (UIImageView): [<UIImageView 0x15fd543a0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key animation. 2016-08-02 16:51:05.254 DNApp[2325:1217701] Failed to set (autostart) user defined inspected property on (UIImageView): [<UIImageView 0x15fd543a0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key autostart.
Any idea if I'm missing something?