If you are interested of it, you can try it here online. I encourage you to create your own functions that allow you to make your daily work easier.Īnd if you want to learn how to use Kotlin to develop your own Android Apps, I recommend you take a look at my free training.Kotlin, like as Java, also can have a type parameter: class Box (t : T ) Using the power of generic types combined with extension functions, we can do very interesting things. The text will be displayed in a toast only if both the TextView and the text are not null. They can replace the builders, without creating a specific one for each class.įor example, going back to the case of the ViewGroup we had in the previous article, we could convert this code: val childViews = (0.viewGroup.childCount - 1).map What does this function allow? With it, we can make blocks of code that use a variable as its context, so that we don’t need to repeat its name every time we use it. Though there are several similar functions in the Kotlin standard library, I’m going to focus on with to break it into pieces. If you want to learn what Kotlin’s situation is in the market, why you should learn it and the first steps to see how easy it is, I have prepared a free hour and a half training that you can join by clicking here. There are several functions included in the Kotlin library that are really useful, and once you have mastered some concepts they will be also very easy to use. The combined use of several Kotlin features mixed with the use of generics allow to create functions that will greatly simplify your code, while maintaining its readability. Make your code minimal by Farhan Tanvir Better Programming 500 Apologies, but something went wrong on our end.
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