kotlin Archives - IT Nursery

Java, Programming

IT Nursery

How to parse JSON in Kotlin?

I’m receiving a quite deep JSON object string from a service which I must parse to a JSON object and then map it ...

June 4, 2022
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Java, Programming

IT Nursery

How can I resolve the error “The minCompileSdk (31) specified in a dependency’s AAR metadata” in native Java or Kotlin? [duplicate]

This question already has answers here: Android app won’t build — The minCompileSdk (31) specified in a dependency’s androidx.work:work-runtime:2.7.0-beta01 (26 answers) Closed 8 ...

June 4, 2022
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kotlin, Programming

IT Nursery

Idiomatic way of logging in Kotlin

Kotlin doesn’t have the same notion of static fields as used in Java. In Java, the generally accepted way of doing logging is: ...

June 3, 2022
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kotlin, Programming

IT Nursery

How to convert String to Long in Kotlin?

So, due to lack of methods like Long.valueOf(String s) I am stuck. How to convert String to Long in Kotlin? 11 Answers 11

June 3, 2022
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kotlin, Programming

IT Nursery

Single exclamation mark in Kotlin

What does a single exclamation mark mean in Kotlin? I’ve seen it a few times especially when using Java APIs. But I couldn’t ...

June 3, 2022
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design-patterns, Programming

IT Nursery

How to implement Builder pattern in Kotlin?

Hi I am a newbie in the Kotlin world. I like what I see so far and started to think to convert some ...

June 2, 2022
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nullable, Programming

IT Nursery

In Kotlin, what is the idiomatic way to deal with nullable values, referencing or converting them

If I have a nullable type Xyz?, I want to reference it or convert it to a non-nullable type Xyz. What is the ...

June 2, 2022
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Java, Programming

IT Nursery

How to allow all Network connection types HTTP and HTTPS in Android (9) Pie?

From Android 9 Pie now, requests without encryption will never work. And by default, the System will expect you to use TLS by ...

June 2, 2022
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android, Programming

IT Nursery

No Creators, like default construct, exist): cannot deserialize from Object value (no delegate- or property-based Creator

I am trying to consume an API using Retrofit and Jackson to deserialize. I am getting the onFailure error No Creators, like default ...

June 1, 2022
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kotlin, Programming

IT Nursery

Swift ‘if let’ statement equivalent in Kotlin

In Kotlin is there an equivalent to the Swift code below? if let a = b.val { } else { } 16 Answers ...

June 1, 2022
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