要关闭任何Activity，请调用其finish()方法。例如，如果您想通过单击saveButton来关闭NewItemActivity，...
Another method that allows adding items to a list is theadd()method. However, the list needs to be mutable for this method to work. If we try using theadd()method with a standard list, it will throw an error. Example: funmain() {valmyList = listOf("One","Two","Three")myList....
[Kotlin] mutableList with toList List is not mutable, when you want to add data into list, you can do is: "adding data to a mutableList", then return a immutable list by calling toList() function privateval hiddenSeats = mutableListOf<Seat>() val seats get()= hiddenSeats.toList() E...
List--A generic ordered collection of elements. Methods in this interface support only read-only access to the list; MutableList--A generic ordered collection of elements that supports adding and removing elements; Set--A generic unordered collection of elements that does not support duplicate elemen...
Additionally, you can try resolving the library descriptor from a local file or a remote URL: Here you can find all the supported libraries you can use in you Kotlin notebooks through the%useline magic. Click to see the list of supported libraries. ...
KT-73017 Analysis API: FirReferenceResolveHelper.getSymbolsByResolvedImport searches for classes even when the selected FqName is a known package KT-72025 FileStructureElement: reduce redundant resolve Fixes KT-72148 K2: KISEWA: Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirValueParame...
In short,Kotlin was designed to be a better Java, that takes all the best practices and add a few innovations to make it the most productive JVM language out there. A Multi-platform Language from the Java World It is no secret that Kotlin comes from the Java world. JetBrains, the compan...
*/ public fun subList(fromIndex: Int, toIndex: Int): List<E> } 注意到kotlin中ArrayList继承自MutableList,查看源码果然有clear(),和addAll()的定义。 /** * A generic ordered collection of elements that supports adding and removing elements. * @param E the type of elements contained in the ...
Once added to the map, feature layers can be symbolized, styled, and labeled in a variety of ways.Define variables that store feature service URLs used by the app's layers, and then create a helper function to add a layer to the map's list of operational layers. You will use this ...
(Kotlin) How to Create a Chatbot Last modified: 25 May 2023 What's a chatbot? It's a Space application that communicates with a Space user in its own Chats channel. A minimum viable bot must: Respond with a list of available commands when a user types / (slash) in the channel...