YusukeIwaki

import android.arch.lifecycle.LiveData
import android.arch.lifecycle.Transformations

fun <X, Y> LiveData<X>.map(f: (X?) -> Y?): LiveData<Y> {
    return Transformations.map(this, f)
}

fun <X, Y> LiveData<X>.switchMap(f: (X?) -> LiveData<Y>): LiveData<Y> {
    return Transformations.switchMap(this, f)
}

YusukeIwaki

import java.net.InetAddress
import java.net.Socket
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory

/**
 * Enables TLS v1.2 when creating SSLSockets.
 *
 * For some reason, android supports TLS v1.2 from API 16, but enables it by
 * default only from API 20.

YusukeIwaki

import java.io.Closeable

class Resource: Closeable {
    init {
    	println("resource ref +1")        
    }
    
    fun play() {
        println("play")
    }

YusukeIwaki

package io.github.yusukeiwaki.example;

import android.os.Handler;
import android.os.Message;

// Activityに以下のような感じで実装する
//
//  @Override public void onBackPressed() {
//    if (backPressHandler.handleBackPressed()) {
//      Toast.makeText(this, "アプリを終了するにはもう一回戻るキーを押して", Toast.LENGTH_SHORT).show();

YusukeIwaki

package io.github.yusukeiwaki.realm_java_helpers;

import java.util.IdentityHashMap;
import java.util.Map;

import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.android.MainThreadDisposable;
import io.realm.RealmChangeListener;
import io.realm.RealmModel;

YusukeIwaki

diff --git a/chrome-remote-desktop.orig b/chrome-remote-desktop
index a40063b..de1b3b0 100755
--- a/chrome-remote-desktop.orig
+++ b/chrome-remote-desktop
@@ -66,11 +66,11 @@ XORG_DUMMY_VIDEO_RAM = 1048576 # KiB
 # with large or multiple monitors. This is a comma-separated list of
 # resolutions that will be made available if the X server supports RANDR. These
 # defaults can be overridden in ~/.profile.
-DEFAULT_SIZES = "1600x1200,3840x2560"
+DEFAULT_SIZES = "1920x1080"

YusukeIwaki

<?xml version="1.0" encoding="UTF-8"?>
<manifest>
  <remote name="github" fetch="https://github.com/" />
  <default revision="master" remote="github" />

  <project name="square/okhttp.git" path="okhttp3" />
  <project name="square/retrofit.git" path="retrofit" />
  <project name="square/picasso.git" path="picasso" />
  
  <project name="ReactiveX/RxJava.git" path="RxJava_1" revision="1.x" />

YusukeIwaki

<?xml version="1.0" encoding="UTF-8"?>
<manifest>
  <remote name="github" fetch="https://github.com/" />
  <default revision="master" remote="github" />

  <project name="rails/rails.git" path="rails" />  
  <project name="rspec/rspec-rails.git" path="rspec-rails" />  
  <project name="rspec/rspec-core.git" path="rspec-core" />  
  <project name="rspec/rspec-expectations.git" path="rspec-expectations" />  
  <project name="rspec/rspec-support.git" path="rspec-support" />  

YusukeIwaki

import rx.Observable;
import rx.Single;
import rx.Subscription;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

public class Hoge {
    public static void main(String[] args) {

YusukeIwaki

class Kotlin < Formula
  desc "Statically typed programming language for the JVM"
  homepage "https://kotlinlang.org/"
  url "https://github.com/JetBrains/kotlin/releases/download/v1.1-M03/kotlin-compiler-1.1-M03.zip"
  sha256 "55f630899df71894d01f1b25a048bbcc592e28e2545f955eb1034be0eb12c1a7"

  bottle :unneeded

  def install
    libexec.install %w[bin lib]