List viewTo implement a variety of views of the permutation class (including but not limited to spinner, ListView, GridView, and so on), Android offers a wide range of adapters for assembling a specification of data, common adapters are: Array Adapter arrayadapter, Simple adapter Simpleadapter, basic adapter Baseadapter, paging adapter Pageradapter. Although the type of adapter is many, but all are not good use, with the array adapter as an example, it and spinner with the implementation of the
Code portal written in frontIn a previous article, we simply know the advantages of the new language Kotlin, but also contact some common grammar and its simple use, I believe you will have a strong interest in it, for the moment to understand that it is interested in it, ha haha. So, how do we apply this new language to Android? Today's article takes you through the development of Android apps using Kotlin
Kotlin Programming related knowledge points : Kotlin programming using IntelliJ IED and understanding Source files (. kt) Kotlin programming and other properties Kotlin programming methods such as using Kotlin programming Kotlin p
Kotlin is a JVM-based language developed by JetBrains. JetBrains, a Czech software development company in Prague, Czech Republic, has developed IntelliJ idea, a well-known IDE product that has improved significantly compared to eclipse, and some other similar products such as , Pycharm,clion and so on, and Android studio, the official Android development IDE, was developed based on IntelliJ. At this year's Google I/O conference, Google officially ackn
Spring Boot and Kotlin use JdbcTemplate to connect to the MySQL database. kotlinjdbctemplate
Some examples of Web layers have been introduced earlier, including building RESTful APIs and rendering Web views using the Thymeleaf template engine. However, these contents are insufficient for building a dynamic application. Content is usually required for apps and Web applications, while content is usually stored in various types of databases, after receiv
The following content is original, welcome reprint, Reprint please specifyFrom every day blog: http://www.cnblogs.com/tiantianbyconan/p/4800656.htmlKotlin is a static type JVM language developed by JetBrains and open source. is more concise than the Java language syntax, supporting many of the syntax features that are not supported in Java, such as higher-order functions, inline functions, NULL security, flexible expansion, operator overloading, and so on. And it's completely Java-compatible, si
[Android] Using Kotlin + Anko to develop Android (1) and kotlinanko
The following content is original. You are welcome to reprint it.
From Daily Blog: http://www.cnblogs.com/tiantianbyconan/p/4800656.html
Kotlin is a static JVM language developed and open-source by JetBrains. Compared with Java, the syntax is concise and supports many syntax features not supported in Java, such as higher-order functions, i
Kotlin recent fire, in the Google IO conference Kotlin announced that Kotlin will become the official Android development language, Kotlin such a JVM on the new * (actually from the birth to now has 5 years of history) language. Finally appeared in the Programmer's field of vision, become a mature popular language.For
Original title: Variables in Kotlin, differences with Java. var vs val (KAD 02)Antonio LeivaTime: Nov 28, 2016Original link: http://antonioleiva.com/variables-kotlin/Lesson two of the Kotlin series: Kotlin variables differ from Java:var to Val.In this second chapter, we'll look at how variables in
Use Kotlin to implement custom Android views (KAD 06) and kotlinandroid
By Antonio Leiva
Time: Dec 27,201 6
Link: https://antonioleiva.com/custom-views-android-kotlin/
When reading articles about class, you may remember to use only one constructor. This is a problem for creating custom views.
The Android framework wants multiple constructors to correspond to different view creation locations and view cr
(new) Kotlin get up--4. Classes and Objects
This article declares :This article is written by Coder-pig , want to know other content, visible "coder-pig pigsty "Respect the work of the author, without my authorization, prohibit reprint. Reserved"Kotlin Get Up" series Directory Address: http://blog.csdn.net/coder_pig/article/details/72851862 1.Any class
We all know that every class in Java has a default pa
= "Picture 15.png" width= "height=" 370 "border=" 0 "hspace=" 0 "vspace=" 0 "style=" width:600px;height:370px; "alt=" Wkiom1lavfdc7mo0aacvbecdpnm138.png "/>In order to compile Kotlin we need the Kotlin plugin to copy the following configuration to Build.gradlebuildscript {ext.kotlin_version = ' 1.1.2 ' repositories {jcenter ()} dependencies {Classpath "Org.jetbrains.kotlin:kotlin-gradle-plugin: $
Activity page Jump is one of the most commonly used features of the app, in the previous chapters of the demo source has been seen many times, often click on a button on the interface, and then jump to the corresponding next page. For app developers, the implementation of this feature is very common, using Java encoding but the following two lines of code: Intent Intent = new Intent (mainactivity.this, linearlayoutactivity.class); StartActivity (Intent);The key to the above code is the int
Kotlin/Native Application Development Guide
In this blog, we will discuss the development of Kotlin/Native applications. Here, we use FFMPEG Audio/Video Decoder and SDL2 for rendering to develop a simple video player. We hope this article will become a valuable development guide for Kotlin/Native developers. This article also explains how to use the expected mech
Kotlin Programming related knowledge points : Kotlin programming using IntelliJ IED and understanding Source files (. kt) Kotlin programming and other properties Kotlin programming methods such as using Kotlin programming Kotlin p
Classes and Inheritance
class
Declaring a class using the keyword class in Kotlin
Class Invoice {
}
A class declaration consists of a class name, a class header (specifying its type parameter, a main constructor, and so on) and a class body surrounded by curly braces. Both the class head and the class body are optional, and if a class does not have a class body, the curly braces can be omitted.
Class Empty
constructor Function
A class in
Developing Android Apps with Kotlin (IV): Custom views and Android extensions
@author ASCE1885 's Github book Weibo CSDNOriginal link
After reading the extension function and the default value of this article, then what to introduce next? As we said in the first article in this series, Kotlin makes Android easier to develop, and we'll cover it further in this article.Custom ViewAs you recall,
Kotlin has been the official language of Google for more than a year, but in addition to announcing the extreme popularity of that month, the back of life has returned to calm. Many small partners follow the pace of Google's father, but also to Kotlin have a more or less understanding, GitHub also has a considerable part of the Kotlin open source projects.
But pe
Kotlin Learning Series: Use Cases of object keywords, kotlinobject
Object is an important keyword in Kotlin and is not in Java. Objects can be used in the following scenarios:
Object Declaration(Object Declaration)
Companion object(Companion Object)
Object expression(Object Expression)
The following describes the meanings, usage, and notes of these keywords, so that you can fully understand the usage of
Kotlin Native introduces Objective-C interoperability and WebAssembly support
According to JetBrains Technical Director Nikolay Igotti, Kotlin/Native 0.4 can be used to develop Native applications for iOS and macOS. This version also provides experimental support for the WebAssembly platform.
Kotlin/Native supports iOS/macOS development. The key lies in implement
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