Danny Preussler – Medium

Danny Preussler

Danny Preussler
in
ProAndroidDev

Interpreting voice results for Android media apps in cars

When it comes to implementing voice actions for Android in cars, things you read in the documentation might differ a bit from reality.

3 min readJan 10, 2022

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Interpreting voice results for Android media apps in cars

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Danny Preussler
in
Google Developer Experts

Using the Kotlin standard library in Java

Do you have a mixed Java/Kotlin code base? Then you should start using more Kotlin functions in your Java code! Yes you can!

4 min readJun 14, 2021

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Using the Kotlin standard library in Java

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Danny Preussler
in
ProAndroidDev

The modifier that shouldn't be there

Most Kotlin developers would agree that a val property is equivalent to a final property in Java. What if I tell you that this “depends”?

4 min readMay 31, 2021

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The modifier that shouldn't be there

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1

Danny Preussler
in
Google Developer Experts

Avoid backing properties for LiveData and StateFlow

Separating the public API and implementation detail of android ViewModels. Looking at you underscore prefix!

5 min readJan 12, 2021

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Avoid backing properties for LiveData and StateFlow

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20

Danny Preussler
in
ProAndroidDev

When “Compat” libraries won’t save you

Using AndroidX artefacts might give the feeling of false security when it comes to newer API calls. Let’s talk about this!

5 min readJan 4, 2021

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When “Compat” libraries won’t save you

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Danny Preussler
in
Google Developer Experts

When LiveData and Kotlin don’t play well together

Sometimes the combination of Kotlin and LiveData might lead to hidden issues. Let’s explore why and what can happen!

4 min readDec 15, 2020

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When LiveData and Kotlin don’t play well together

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3

Danny Preussler
in
The Startup

Swift’s Guard Statement for Kotlin

Swifts guard statement is something we miss in Kotlin. What does it do and how can we achieve something similar?

6 min readDec 7, 2020

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Swift’s Guard Statement for Kotlin

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Danny Preussler
in
Google Developer Experts

The hidden pitfalls of the Elvis operator

I guess many of us love the Elvis operator in Kotlin. But it can lead to some hidden pitfalls if you are not aware of how it works.

3 min readJul 28, 2020

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The hidden pitfalls of the Elvis operator

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Danny Preussler
in
ProAndroidDev

Keep your interfaces simple

Avoiding implicit connections and learn how extension functions can help you writing good APIs

3 min readJul 16, 2020

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Keep your interfaces simple

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1

Danny Preussler
in
ProAndroidDev

The forgotten art of construction

How tools made us forget how to write sane constructors

6 min readJun 22, 2020

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The forgotten art of construction

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6

Danny Preussler

Danny Preussler

Android @ Soundcloud, Google Developer Expert, Goth, Geek, writing about the daily crazy things in developer life with #Android and #Kotlin

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