Fragmented - AI Developer Podcast

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**Fragmented – AI Developer Podcast**

Fragmented is an AI developer podcast for engineers who want to go beyond vibe coding and ship real software.

We cover AI-assisted development the way working engineers actually use it: prompting strategies, code review, testing, debugging, workflows, and building production-grade software with AI tools. No hype. No “I shipped a SaaS in a weekend” stories. Just tactics that work.

Hosted by Kaushik Gopal and Iury Souza — software engineers using AI daily to build and ship real products.

From vibe coding to software engineering — one episode at a time. Our goal: help you use AI to become a better engineer, not be replaced by one.

Latest Episodes:

150: Learning Kotlin - Returns, Jumps & Labels Jan 21, 2019

Show notes

Shownotes

Kotlin Returns and Jumps Documentation

Code

data class Customer(val isPlatinum: Boolean)

fun main() {

    val customer = Customer(false)

    println("Number of points customer has: ${calculatePoints(customer)}")

    // Break out of the loop once we're over 25
    for (i in 1..100) {
        if (i > 25) {
            break
        } else {
            println(i)
        }
    }


    // Skip all even numbers
    for (i in 1..100) {
        if (i % 2 == 0) {
            continue
        } else {
            println(i)
        }
    }


    // Break out of the outer loop (which breaks out of the inner too) using a label
    donn@ for (i in 1..100) {
        for (j in 100..200) {
            if (j > 150) break@donn // This will break out of the inner loop and outer loop
            else println("i: $i, j: $j")
        }
    }

    // Continue processing the next outer loop value when a condition is met.
    donn@ for (i in 1..100) {
        for (j in 100..200) {
            if (j > 150) continue@donn // This will break out of the inner loop and outer loop
            else println("i: $i, j: $j")
        }
    }

    // returns with label
    example1()
    example2()

    println("I'm done processing!")
}

fun calculatePoints(customer: Customer): Int {
    if (customer.isPlatinum) {
        return 100000
    } else {
        return 10
    }
}


fun example1() {
    listOf(1, 2, 3, 4, 5, 6, 7, 8, 9).forEach {
        if (it > 7) {
            return
        } else {
            println(it)
        }
    }
    println("This wont print :( because return exited the bar() function")
}

fun example2() {
    listOf(1, 2, 3, 4, 5, 6, 7, 8, 9).forEach bin@ {
        if (it > 7) {
            return@bin
        } else {
            println(it)
        }
    }
    println("This will print! :) return exited the forEach!")
}

Sponsors 🙏

Nevercode
- Nevercode is taking Flutter revolution extremely serious and is prepared to offer kick-ass CI/CD for Flutter projects with codemagic.io. Check it out and get started at https://codemagic.io/
Sentry.io
- Sentry tells you about errors in your code before your customers have a chance to encounter them.
  Check them out at: https://sentry.io/for/android/

Contact

Discord chat or @fragmentedcast or our Youtube channel
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

149: Learning Kotlin: inline classes and Type driven design Jan 15, 2019

Show notes

In this quick fragment, Kaushik talks about the new Kotlin 1.3 experimental feature "inline classes" and how it helps with Type driven design.

Shownotes

Type driven design resources

Kotlin KEEP

vs typealias

Sponsors 🙏

Nevercode
- Nevercode is taking Flutter revolution extremely serious and is prepared to offer kick-ass CI/CD for Flutter projects with codemagic.io. Check it out and get started at https://codemagic.io/
Sentry.io
- Sentry tells you about errors in your code before your customers have a chance to encounter them.
  Check them out at: https://sentry.io/for/android/

Contact

Discord chat or @fragmentedcast or our Youtube channel
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

148: Evolving Android architectures (Part 1) Jan 07, 2019

Show notes

In this episode, Donn and Kaushik talk about the state of android architectures and how they've stared to evolve. Kaushik recently worked on a project of coming up with an evolved version of an MVVM architecture, very similar to what the Android community now calls MVI.

Special request: if you have follow up questions or clarifications or things you'd like to see specifically with respect to this dicussion, hit us up on the Discord #fragmented-podcast channel with your thoughts and we'll make sure to address them in future parts!

Shownotes

Salient features of the pattern:

I. Screens are driven by a single ViewModel
II. Screens listen to a single Observable exposed from the ViewModel
III. Screens listen to a single Observable exposed from the ViewModel
IV. Events are sent into the VM through a single function processInputs
V. Break(ing) the Chain
VI. Testing strategy

Inspiration

Sponsors 🙏

Nevercode
- Nevercode is taking Flutter revolution extremely serious and is prepared to offer kick-ass CI/CD for Flutter projects with codemagic.io. Check it out and get started at https://codemagic.io/
Sentry.io
- Sentry tells you about errors in your code before your customers have a chance to encounter them.
  Check them out at: https://sentry.io/for/android/

Contact

Discord chat or @fragmentedcast or our Youtube channel
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

147: Disposing RxJava 2 Streams with AutoDispose Dec 31, 2018

Show notes

In this short fragment episode, Donn explains how you can clean up your RxJava 2 streams and ensure no memory leaks are occurring by using the AutoDispose library from Uber.

Shownotes

Code Samples

Java

myObservable
	.map(...)
	.as(AutoDispose.autoDisposable(AndroidLifecycleScopeProvider.from(this)))
	.subscribe(...)

Kotlin

myObservable
	.map(...)
	.autoDisposable(AndroidLifcycleScopeProvider.from(this))
	.subscribe(...)

With Scope Event Provided

myObservable
	.map(...)
	.autoDisposable(AndroidLifcycleScopeProvider.from(this, Lifecycle.Event.ON_DESTROY))
	.subscribe(...)

Testing

// File: CustomerService.kt
class CustomerService @Inject constructor(...) {
	lateinit var scopeProvider: ScopeProvider
}

// Usage in Fragment/Activity/etc
val service = CustomerService(...).apply {
	scopeProvider = AndroidLifecycleScopeProvider.from(this)
}

// Usage in Test
val service = CustomerService(...).apply {
	scopeProvider = TestScopeProvider.create()
}

Contact

@fragmentedcast or our Youtube channel
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)
Fragmented Chat

146: 3 Things Every Android Developer Needs to Know Dec 24, 2018

Show notes

Dependency Injection

Constructor_setter_method injection
Service Locators or other DI frameworks
Common Frameworks
1. Dagger
2. Koin
3. Kodein
4. ToothPick

How to test
1. Functional / System
2. Integration
3. Unit
4. Tools:
  1. jUnit
  2. Espresso
  3. Spek
Keep it simple simple
1. KISS principle KISS principle - Wikipedia
2. Examples
  1. Code Duplication
    1. “Extract this into a method”
  2. Lets create a framework for this
  3. Kaushik’s - 3x rule
    - if something is duplicated 3 or more times, think about extracting it
  4. 3/6 Rule - In 6 months, will I be able to understand this in under 3 minutes?

Contact

@fragmentedcast or our Youtube channel
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

145: Tracking Network Requests With x-Request-ID Dec 18, 2018

Show notes

In this short fragment, Kaushik explains how you can trace network requests from your app by adding a special header. Easily trace an HTTP request all the way from a client to your backend web process.

Shownotes

Sponsors 🙏

codemagic.io by NeverCode
- Join their Flutter Community here

Contact

@fragmentedcast or our Youtube channel
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

144: Developer Productivity Tools Dec 10, 2018

Show notes

In this episode, Donn and Kaushik talk about productivity tools for developers. As developers, what are some additional tools and utilities that really up your game. If you wanted to see how they tweak their development environments and workstations in general, this is a good episode to listen. Also introducing a Fragmented Discord Chat server!

Shownotes

Fragmented Discord Chat Server

Productivity tools

Keyboard Maestro

Keyboard Maestro - Mac (Referral code with 20% discount)
Sample macros:
- Demo: Better auto pairing with BBEdit and Keyboard Maestro
- Demo: Autocopy text from one program to another
AutoHotkey - Windows (Windows equivalent of sorts)
DuckDuckGo
- Bang Syntax
Muzzle App
Window management tools:
- Divvy
- Spectacle
- Magnet
- Moom
- Phoenix
VSCode
- Night owl theme
OhMyZsh
- Spaceship prompt
- Auto Suggestions
Fish Shell
Kap - Screen recording tools
Sip - Color Management

Sponsors 🙏

codemagic.io by nevercode
- Join their Flutter Community here

Contact

@fragmentedcast or our Youtube channel
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

143: Real world testing thoughts Dec 03, 2018

Show notes

In this mini fragment, Donn and Kaushik share some thoughts on real world testing with Android development - a favorite topic of theirs.

Kaushik recently ran into a case where an espresso test fails because the UI stops performing. It's an interesting discussion on figuring out what matters when you write your tests. They dive into strategies and techniques around testing. What makes a good test, what should you be testing?

They then talk about why Hermetic testing is pretty hard on mobile and ideas around a simple solution that could be provided out of the box. They then round it up talking about TDD and it's role in today's world.

Shownotes

Sponsors 🙏

American Express Jobs - American Express is hiring Android developers!
NeverCode
- Blog post on developing apps 20% faster

Contact

@fragmentedcast or our Youtube channel
@jebstuart
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

142: Indie development on Android and iOS with Matt Logan Nov 19, 2018

Show notes

In this episode, we talk to our friend Matt Logan. Matt took some time off and worked on an indie app called Sessions. He built this for both Android and iOS. In this episode we talk to him about his experience building apps on both platforms, techniques, advice and other good stuff.

Shownotes

Contact

@fragmentedcast
@_mattlogan
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

141: Impostor Syndrome Nov 12, 2018

Show notes

In this mini fragment, Donn and KG talk about Impostor syndrome. Most of us developers are plagued by this. Does this feeling ever go away? How do we deal with this? Listen to this short episode to find out more.

Shownotes

Contact

@fragmentedcast
@preusslerberlin
@donnfelker and donnfelker (on Instagram)
@kaushikgopal and kaushikgopal (on Instagram)

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Fragmented – AI Developer Podcast

Shownotes

Code

Sponsors 🙏

Contact

Shownotes

Type driven design resources

Kotlin KEEP

vs typealias

Sponsors 🙏

Contact

Shownotes

Salient features of the pattern:

Inspiration

Sponsors 🙏

Contact

Shownotes

Code Samples

Contact

Contact

Shownotes

Sponsors 🙏

Contact

Shownotes

Productivity tools

Keyboard Maestro

Sponsors 🙏

Contact

Shownotes

Sponsors 🙏

Contact

Shownotes

Sponsors

Contact

Shownotes

Sponsors

Contact

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