Interactive Input Controls

This unit teaches students to build interactive, input-driven interfaces in SwiftUI using layered layout (ZStack) and common input controls (TextField, SecureField, Toggle, Slider, Stepper). Students will combine layout, @State bindings, and basic validation while applying accessibility and privacy best practices to prepare for integrating forms with data models and navigation in later units.

Learning Objectives

• Apply ZStack layout techniques to create layered SwiftUI interfaces that control alignment, stacking order, and overlays for input components.
• Demonstrate implementation of TextField and SecureField with @State bindings, placeholder text, keyboard configuration, and basic input validation to securely collect user input.
• Apply Toggle, Slider, and Stepper controls with appropriate bindings, ranges, steps, labels, and onChange handlers to capture boolean and numeric user settings.
• Evaluate and implement accessibility, privacy, and UX best practices for input controls, including accessibility labels, focus behavior, secure entry handling, and clear validation feedback.