Cognitive Aid App

The aid app was developed using MIT App Inventor. 8 PNG images were incorporated to visually demonstrate each step, while the TextToSpeech component providing corresponding verbal instructions. Global variable blocks and lists were used to store the step number, images, titles, and instructions, allowing the app to function as a gallery-style prompting system that cycles through each step. A procedure block was created to automatically update the displayed image, step label, step number, and spoken instructions based on the current step. Button-click event blocks allow users to navigate forward or backward through the sequence or restart the activity. Conditional statements were also used to prevent users from advancing beyond the final step or returning before the first step.

• Learning to organize images, text, and navigation buttons into a simple, accessible interface

• Implementing conditional statements and button-click events to control step progression, update displayed information, and prevent navigation errors

• Integrating visual prompts and text-to-speech instructions within a procedure block for ease of coding calls

• Troubleshooting block connections, verifying image filenames and list indices, and testing the application's navigation and audio functions