📘 Android Studio Projects for App Development

This repository contains lessons, attendance checkers, and activities built using Android Studio. It's organized by lesson and includes functional Java code for managing student-related tasks and class activities.

📂 Structure

• L(#): Lesson Projects
• AT(#): Attendance Codes
• ACT(#): Activities — More comprehensive than AT, often with multiple screens or validations.
• SP(#): Special Project — Activities that combine and apply all previously covered lessons and concepts.

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Topics Covered

Lessons

• L2 – Checkbox, RadioGroup, & RadioButton
• L3 – Camera, ByteArrayOutputStream, Bundle
• L4 – Spinner

Attendance Codes (AT)

• AT1 / L1 – Display Details per International CodeName
• AT2 – Login Form Validation (with hardcoded data)
• AT3 – Calculator
• AT4 – Camera
• AT5 – Camera with Text Description

Activities (ACT)

• ACT1 – Generalized User Registration Module (3 Classes for User Registration)
• ACT2 – Generalized User Registration Module V2 (with Radio Group and Radio Button)
• ACT3 – Generalized User Registration Module V3 (with Camera and Image View)

Special Project [Midterms / Finals (SP)]

• Event Feedback Evaluation - Consists of ImageView, Spinner, Checkbox, RadioGroup and Buttons, Intent, and Bundles

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🛠 Built With

• Language: Java, XML
• IDE: Android Studio
• Target SDK: 35
• Minimum SDK: 27

Goals / Purpose

This repository serves as a personal archive of Android Studio projects created for:

• Self-study and reinforcement of Android development concepts
• Practice and experimentation with Java, UI components, and mobile app logic
• Organized code storage for lessons, attendance activities, and larger projects
• Reusability of modules for future apps or school-related development
• Hands-on learning through progressively complex activities