Live Input Validation
React to typing and show validation feedback.
Guiding the User
Great forms tell users about mistakes as they type, not after they submit. This is live validation, and SwiftUI makes it natural. ✅
State Drives Everything
Validation reads the same @State string the field writes to. As the value changes, you simply recompute whether it is valid.
@State private var email = ""All lessons in this course
- Binding a TextField to State
- Keyboard Types & Placeholders
- SecureField for Passwords
- Live Input Validation