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Intro

Kotlin is a new programming language for the JVM. It produces Java bytecode, supports Android and generates JavaScript. The latest version of the language is Kotlin 1.1.50

Kotlin project website is at kotlin.jetbrains.org.

All the codes here can be copied and run on Kotlin online editor.

Let's get started.

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This is a quick guide to Kotlin programming language. The previous part of this guide is here

Object Oriented

fun main(args : Array<String>) {
  class local (val x : Int)
  
  val y = local(10)
 println("${y.x}")

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Obviously, the simplest solution would be for the client to share their account details or add us as ‘team admin’, but that is not what this is about.

On https://developer.apple.com

1. [Add us to your iOS Developer Program as ‘team member’.][1]
2. [Create a ‘Distribution Certificate’, if you haven’t got one already.][2]
3. [Create a ‘App Store Distribution Provisioning Profile’.][3]
4. [Export the ‘Distribution Certificate’ assets and send the export and password to us.][4] (For security sake, it’s a good idea to send us the password via other means than the exported certificate. E.g. by phone/SMS.)

On https://itunesconnect.apple.com

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@interface MySingleton : NSObject

// ...

+ (instancetype) sharedInstance;

+ (instancetype) alloc  __attribute__((unavailable("alloc not available, call sharedInstance instead")));
- (instancetype) init   __attribute__((unavailable("init not available, call sharedInstance instead")));
+ (instancetype) new    __attribute__((unavailable("new not available, call sharedInstance instead")));

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<?xml version="1.0" encoding="utf-8"?>
<manifest
  xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.novoda.espresso">
  
  <!-- For espresso testing purposes, this is removed in live builds, but not in dev builds -->
 <uses-permission android:name="android.permission.SET_ANIMATION_SCALE" />

  
  <!-- ... -->

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<?xml version="1.0" encoding="utf-8"?>
<manifest
  xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.novoda.espresso">
  
  <!-- For espresso testing purposes, this is removed in live builds, but not in dev builds -->
  <uses-permission android:name="android.permission.SET_ANIMATION_SCALE" />

  <!-- ... -->
  

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## Setup java

if [ `uname -m` == 'x86_64' ]; then
 PATH="/usr/lib64/jvm/java-7-oracle/jre/bin/"
 JAVA_HOME="/usr/lib64/jvm/java-7-oracle/"
else
 PATH="/usr/lib/jvm/java-7-oracle/jre/bin/"
 JAVA_HOME="/usr/lib/jvm/java-7-oracle/"
fi