103: MVI pattern with Hannes Mosby Dorfmann

In this episode of Fragmented, we talk to Hannes Dorfmann about using the Model View Intent (MVI) pattern for Android. The MVI pattern was sparked through cycle.js (for javascript). Hannes took this pattern and tried to adapt it to Android. This pattern has gained a lot of traction and interest in the Android community.

In this episode, he breaks down the pattern for us. He tells us how to implement it, how it helps with testing, the benefits of the pattern and some of the pitfalls. Recording this episode was riveting for us and we dive into some juicy technical details. Listen on!

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Show Notes

About Hannes

MV* patterns

MVI like patterns

Hannes series on MVI for Android (must read!) :

Misc

Sponsors

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102: All Things Kotlin and notes from KotinConf

In this episode of Fragmented, Donn and I decompress. I had the pleasure of attending KotlinConf 2017 – Jetbrain’s very first conference dealing completely just on Kotlin. I have a quick chat after Day 1 with Donn, giving him the juicy updates.

We talk about how the conference was organized, some of the technical talks I attended (our thoughts on these…) and some of the folks I had the opportunity to meet.

Overall it was an amazing time at KotlinConf and if you want to vicariously enjoy it, listen on to the show.

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Show Notes

Pixel 2

KotlinConf

Meeting folks

Talks at KotlinConf

Coroutine introduction

Other interesting stuff

Sponsors

Thanks to Buddybuild for sponsoring this episode of Fragmented! Ship apps faster with BuddyBuild 🚀 Give them a try for free at fragmentedpodcast.com/buddybuild.

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101: Learning Kotlin – visibility modifiers, internal modifier, modules

Another day, another opportunity to learn more Kotlin. In this episode, Kaushik walks through the concept of visibility modifiers. How do the modifiers in Kotlin differ from the ones in Java? What is this new internal modifier? When should I use each of the operators?

Listen on to find out!

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Shownotes:

  • Excellent resource explaining visibility modifiers in Kotlin

    open class Outer {
        private val a = 1
        protected open val b = 2
        internal val c = 3
        val d = 4  // public by default
    
        protected class Nested {
            public val e: Int = 5
        }
    }
    
    class Subclass : Outer() {
        // a is not visible
        // b, c and d are visible
        // Nested and e are visible
    
        override val b = 5   // 'b' is protected
    }
    
    class Unrelated(o: Outer) {
        // o.a, o.b are not visible
        // o.c and o.d are visible (same module)
        // Outer.Nested is not visible, and Nested::e is not visible either 
    }
    

100: Episode 100 Listener questions

This is the 100th episode of Fragmented. We do things a little differently for our 100th episode and field a bunch of listener questions that came in. We’re going a little meta and talking about our experience starting Fragmented, our process, how we pick guests and topics, our setups, our favorite Android libraries and classes (?!).

Thank you so much for being a listener. We cannot express how grateful we are to have you.

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Shownotes

Setup

KG

Donn

Android Resources

.. and many many more

Favorite class and libs

Misc

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099: Effective Java – Item #17: Design and Document for Inheritance or Else Prohibit It

In this episode, Donn talks about Item #17 from the Effective Java book: Design and Document for inheritance or else prohibit it. Learn how you should be documenting your code that is built for inheritance when you should not call overridable methods and much more.

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