1. Cuicatalog:invalid Asset name supplied:
This tip means that you're using this method.
[UIImage Imagenamed:name]; But the name is empty, so it's a mistake.
Workaround, search the project for [UIImage imagenamed:, and then print to see if the so-called name is empty. After the replacement is found.
2. Responding to event issues
If you set the emulator's keyboard to connect to your computer's keyboard, then setting the control to be the first responder of the keyboard will not pop up (set keyboard in the emulator's hardware) and some events that pop up from the bottom will sometimes not respond. 3, The navigation bar sets the color of the button on the System navigation bar: Self.navigationController.navigationBar.tintColor = [Uicolor blackcolor]; Set navigation bar does not penetrate: (the default is whether penetration is not tested , depending on the system version may have different effects) [Self.navigationController.navigationBar Settranslucent:no];
Common errors in iOS development