Android App Development: Building a Bluetooth Chat Application — PickAClass
3.8 (4) ⏱ 2h 54m 📚 29 lessons 🎧 Audio version

Android App Development: Building a Bluetooth Chat Application

Learn the foundations of mobile development and create a peer-to-peer messaging app using modern Kotlin and interface design.

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About this course

Mobile technology powers the modern world, yet the transition from user to creator requires a clear understanding of how hardware and software interact. This course provides a structured path for anyone looking to build functional, high-performance mobile applications from the ground up. You will transform from a beginner into a capable developer by mastering the core components of the Android ecosystem. By the end of this course, you will have the knowledge to build a fully functional Bluetooth-enabled chat application, demonstrating your ability to handle real-time data and device-to-device communication. What you'll learn: - Understand the fundamental architecture and lifecycle of modern mobile applications - Build responsive user interfaces using contemporary layout systems and design principles - Master Kotlin programming essentials for mobile development, including type safety and coroutines - Implement peer-to-peer communication protocols using Bluetooth connectivity - Manage application data and state effectively for a seamless user experience - Apply best practices for debugging and optimizing mobile code performance The course begins with essential terminology and the conceptual framework of mobile environments before moving into practical interface construction. You will progress through written explanations and code-based exercises that guide you through the logic of real-time messaging and hardware integration. This course is designed for absolute beginners who want to start their journey in mobile engineering. No prior programming experience is required, as we begin with the most basic definitions and build complexity at a steady pace. Start your journey into the world of mobile app creation today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Android App Development: Building a Bluetooth Chat Application
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Android App Development: Building a Bluetooth Chat Application
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (4)

Emilia Koch CH Verified learner
★ 3 · July 23, 2026

It's a decent introduction. Could benefit from more diverse examples and a slightly better flow between modules.

Sebastián Sánchez PA
★ 5 · June 27, 2026

This course exceeded my expectations. The real-world applications discussed are incredibly useful. Great job!

مريم خالد AE Verified learner
★ 4 · June 22, 2026

This exceeded my expectations. The lessons flowed logically and the real-world applications were spot on. Great job!

Harry Thompson GB Verified learner
★ 3 · June 17, 2026

Good introduction. I appreciated the clear steps, although some of the later modules could have used more examples.

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Just a phone or computer with internet. No installs, no special hardware.

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Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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