{"id":34808,"date":"2016-03-30T23:54:15","date_gmt":"2016-03-30T14:54:15","guid":{"rendered":"https:\/\/blog.jetbrains.com\/jp\/?p=639"},"modified":"2016-03-30T23:56:10","modified_gmt":"2016-03-30T14:56:10","slug":"639","status":"publish","type":"post","link":"https:\/\/blog.jetbrains.com\/ja\/2016\/03\/30\/639\/","title":{"rendered":"Android\u5411\u3051Kotlin\u306e\u30ed\u30fc\u30c9\u30de\u30c3\u30d7"},"content":{"rendered":"Google\u304c\u6700\u8fd1\u30a2\u30ca\u30a6\u30f3\u30b9\u3057\u305f\u4e2d\u3067\u6700\u3082\u8208\u5473\u6df1\u3044\u30cb\u30e5\u30fc\u30b9\u306fJack\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u308aAndroidN\u3067Java8\u3092(\u9650\u5b9a\u7684\u306b)\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3068\u3044\u3046\u8a71\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u5f53\u7136\u306a\u304c\u3089\u7686\u69d8\u306f\u3053\u308c\u304cKotlin\u306eAndroid\u958b\u767a\u5411\u3051\u306e\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u306b\u3069\u3046\u5f71\u97ff\u3059\u308b\u304b\u8208\u5473\u306e\u3042\u308b\u3053\u3068\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3053\u3053\u3067\u8aac\u660e\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002\r\n\r\nKotlin\u306eAndroid\u5411\u3051\u306e\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\r\nJetBrains\u3067\u306fKotlin\u304cAndroid\u958b\u767a\u3067\u512a\u308c\u305f\u30c4\u30fc\u30eb\u3068\u306a\u308b\u3088\u3046\u591a\u5927\u306a\u6ce8\u76ee\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002\u4eca\u5f8c\u3044\u304f\u3064\u304b\u306e\u30d0\u30fc\u30b8\u30e7\u30f31.0.X\u306b\u304a\u3051\u308b\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u5f15\u304d\u7d9a\u304d\u30c4\u30fc\u30eb\u7fa4\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6539\u5584\u3092\u65bd\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u30d5\u30a9\u30fc\u30ab\u30b9\u306f\u4e09\u3064\u306e\u30a8\u30ea\u30a2\u306b\u6e21\u3063\u3066\u3044\u307e\u3059\u3002\u958b\u767a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30b5\u30a4\u30ba\u524a\u6e1b\u3001\u30c4\u30fc\u30eb\u30b5\u30dd\u30fc\u30c8\u306e\u5145\u5b9f\u5316\u3067\u3059\u3002\r\n\u958b\u767a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\r\n\u958b\u767a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u9ad8\u901f\u5316\u306e\u305f\u3081\u3001Kotlin\u306eGradle\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u30b3\u30f3\u30d1\u30a4\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30bd\u30fc\u30b9\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u5168\u4f53\u3067\u306f\u306a\u304f\u672c\u5f53\u306b\u5f71\u97ff\u306e\u3042\u308b\u7b87\u6240\u3060\u3051\u3092\u518d\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u305f\u3081\u30d3\u30eb\u30c9\u6642\u9593\u3092\u5927\u5e45\u306b\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002\r\n\r\n\u7d9a\u3044\u3066Android\u306e\u30d3\u30eb\u30c9\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u305f\u3081Android\u306e\u65b0\u3057\u3044Jack and Jill\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u3068\u306e\u30a4\u30f3\u30c6\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u00a0\u73fe\u5728\u306e\u3068\u3053\u308dKotlin\u306e\u751f\u6210\u3059\u308b\u30d0\u30a4\u30c8\u30b3\u30fc\u30c9\u306e\u30cf\u30f3\u30c9\u30eb\u3092\u59a8\u3052\u308b\u554f\u984c(196084 \u3068 203531)\u304c\u3042\u308a\u307e\u3059\u304c\u3001Google\u306e\u30c1\u30fc\u30e0\u3068\u9023\u643a\u3057\u3066\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u304b\u3001JetBrains\u30b5\u30a4\u30c9\u306b\u3066\u56de\u907f\u7b56\u3092\u63d0\u4f9b\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\u305d\u308c\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u30b3\u30f3\u30d1\u30a4\u30eb\u4e2d\u306b\u5909\u66f4\u306e\u3042\u3063\u305f\u30af\u30e9\u30b9\u30d5\u30a1\u30a4\u30eb\u306e\u307fJill\u3092\u4f7f\u3063\u3066\u30c8\u30e9\u30f3\u30b9\u30ec\u30fc\u30c8\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002(\u306a\u304a\u3053\u308c\u307e\u3067Android\u30b5\u30dd\u30fc\u30c8\u3067\u306f\u6bce\u56de\u5168\u3066\u306e\u30af\u30e9\u30b9\u3092\u30c8\u30e9\u30f3\u30b9\u30ec\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f)\u3002\r\n\r\n\u305d\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30c8\u30e9\u30f3\u3067\u3059\u3002\u73fe\u5728\u306e\u3068\u3053\u308dKotlin\u3067\u306f\u30b3\u30fc\u30eb\u30c9\u30b9\u30ef\u30c3\u30d7\u3057\u304b\u3067\u304d\u305a\u3001\u30a6\u30a9\u30fc\u30e0\u3068\u30db\u30c3\u30c8\u30b9\u30ef\u30c3\u30d7\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u3082\u3046\u3057\u3070\u3089\u304f\u8abf\u67fb\u304c\u5fc5\u8981\u3067\u3059\u3002\u3057\u304b\u3057\u65e9\u6025\u306b\u53ef\u80fd\u306a\u9650\u308a\u3092\u5c3d\u304f\u3057\u307e\u3059\u3002\u305d\u308c\u307e\u3067\u306e\u9593\u3001JRebel for Android\u3092\u4f7f\u3048\u3070Kotlin\u306e\u30db\u30c3\u30c8\u30b9\u30ef\u30c3\u30d7\u3092\u884c\u3046\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\r\n\u30e9\u30f3\u30bf\u30a4\u30e0\u30b5\u30a4\u30ba\r\n\u30e1\u30bd\u30c3\u30c9\u6570\u3092\u524a\u6e1b\u3057\u3066kotlin-stdlib\u306e\u30b5\u30a4\u30ba\u3092\u7e2e\u3081\u308b\u3079\u304f\u3001\u3044\u304f\u3089\u304b\u306e\u6539\u5584\u3092\u65bd\u3059\u8a08\u753b\u304c\u3042\u308a\u307e\u3059\u3002\u73fe\u5728\u306e\u3068\u3053\u308d7191\u3067\u3059:\r\n\r\n\u8907\u6570\u30d5\u30a1\u30a4\u30eb\u306b\u6e21\u308b\u30d5\u30a1\u30b5\u30fc\u30c9\u30af\u30e9\u30b9\u306e\u30c8\u30c3\u30d7\u30ec\u30d9\u30eb\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u306e\u6700\u9069\u5316\u3084\u3001inline-only\u306e\u95a2\u6570\u3092\u30e9\u30f3\u30bf\u30a4\u30e0\u30d0\u30a4\u30ca\u30ea\u304b\u3089\u5916\u3059\u3068\u3067\u6570\u5343\u306e\u30e1\u30bd\u30c3\u30c9\u6570\u3092\u524a\u6e1b\u3067\u304d\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002\r\n\u30c4\u30fc\u30eb\u30b5\u30dd\u30fc\u30c8\r\nKotlin 1.0\u306eAndroid\u30b5\u30dd\u30fc\u30c8\u3067\u6b20\u3051\u3066\u3044\u308b\u3082\u306e\u306e\u5185\u4e00\u756a\u5927\u304d\u3044\u306e\u304cLint\u30c1\u30a7\u30c3\u30af\u3067\u3057\u3087\u3046\u3002\u3067\u3082\u3054\u5b89\u5fc3\u304f\u3060\u3055\u3044\u3002\u3082\u3061\u308d\u3093Kotlin\u306eLint\u30c1\u30a7\u30c3\u30af\u306e\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u304c\u3042\u308a\u307e\u3059\u3002\u65e2\u306bAndroid Studio 1.5\u3067Lint\u30c1\u30a7\u30c3\u30af\u304c\u3067\u304d\u308b\u3088\u3046\u5b9f\u88c5\u6e08\u307f\u3067\u3001Kotlin 1.0.2\u3067\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u3067\u3059\u3002\u305d\u3057\u3066Android Studio 2.0\u5411\u3051\u306b\u3064\u3044\u3066\u306f\u73fe\u5728\u5b9f\u88c5\u4e2d\u3067\u3059\u3002Lint\u30c1\u30a7\u30c3\u30af\u306fKotlin\u3068Java\u30b3\u30fc\u30c9\u306e\u5171\u901a\u57fa\u76e4\u4e0a\u306b\u5b9f\u88c5\u3057\u3066\u304a\u308a\u3001\u4eca\u5f8cAndroid SDK\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u72b6\u614b\u3067Kotlin\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3088\u3046\u3053\u306e\u57fa\u76e4\u3092Android SDK\u3078\u30b3\u30f3\u30c8\u30ea\u30d3\u30e5\u30fc\u30c8\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002\r\n\r\nAndroid\u7279\u6709\u306eIDE\u30b5\u30dd\u30fc\u30c8\u3001\u4f8b\u3048\u3070\"New Kotlin Activity\"\u30a2\u30af\u30b7\u30e7\u30f3\u3001\u30b3\u30fc\u30c9\u30a4\u30f3\u30b5\u30a4\u30c8\u3084\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306f\u5c11\u3057\u305a\u30641.0.x\u30ea\u30ea\u30fc\u30b9\u3067\u52a0\u3048\u3089\u308c\u3066\u3044\u304d\u307e\u3059\u3002\r\nKotlin\u3068Java 8\r\nJava 8\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3057\u3070\u3089\u304f\u7d4c\u904e\u3057\u3066\u304a\u308a\u307e\u3059\u304c\u3001Android\u958b\u767a\u3092\u884c\u3063\u3066\u3044\u306a\u3044\u958b\u767a\u8005\u3067\u3082Java 8\u3088\u308a\u3082Kotlin\u3092\u9078\u629e\u3057\u3066\u697d\u3057\u3093\u3067\u3044\u3089\u3063\u3057\u3083\u308b\u65b9\u3005\u304c\u6ca2\u5c71\u3044\u3089\u3063\u3057\u3083\u3044\u3042\u3059\u3002Android\u304c\u6b63\u5f0f\u306bJava8\u306e\u8a00\u8a9e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3057\u305f\u304c\u3001Kotlin\u3068Java\u306e\u9078\u629e\u306b\u3069\u3046\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3067\u3057\u3087\u3046\u304b\uff1f\r\n\r\n\u307e\u305a\u7b2c\u4e00\u306b\u3001Java 8\u306e\u30e9\u30e0\u30c0\u3092Android\u306b\u3082\u305f\u3089\u3057\u307e\u3059\u304c\u3001Android\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u304c\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30e9\u30e0\u30c0\u306e\u65e2\u5b58\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0(N\u30ea\u30ea\u30fc\u30b9\u4ee5\u524d)\u30b5\u30dd\u30fc\u30c8\u306fKotlin\u306b\u3088\u308b\u30b5\u30dd\u30fc\u30c8\u3068\u306f\u91cd\u8981\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u304a\u898b\u305b\u3057\u307e\u3059:\r\n\r\nKotlin: list.forEach { process(it) }\r\nJava 8: list.forEach(it -> process(it))\r\n\r\nJava\u7248\u306f\u307b\u3093\u306e\u5c11\u3057\u3060\u3051\u9577\u3044\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u76ee\u3092\u3064\u3076\u3063\u3066\u6c34\u9762\u4e0b\u3067\u4f55\u304c\u8d77\u304d\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002Java\u3067\u306f:\r\n\r\n\tAndroid\u306eJava 8\u3067\u306f\u30e9\u30e0\u30c0\u306f\u3059\u3079\u3066\u4e8c\u3064\u306e\u30e1\u30bd\u30c3\u30c9(\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u30dc\u30c7\u30a3)\u3092\u6301\u3064\u30af\u30e9\u30b9\u3078\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30e1\u30bd\u30c3\u30c9\u30ab\u30a6\u30f3\u30c8\u306b\u5f71\u97ff\u304c\u3042\u308a\u307e\u3059\u3002\r\n\t\u30af\u30e9\u30b9\u306f\u5f8c\u306b\u30e9\u30f3\u30bf\u30a4\u30e0\u3067\u7e70\u308a\u8fd4\u3057\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070forEach\u304c\u547c\u3070\u308c\u308b\u305f\u3073\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3055\u308c\u308b\u305f\u3081\u3001\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30bf\u3078\u306e\u5927\u304d\u306a\u8ca0\u62c5\u3068\u306a\u308a\u307e\u3059\u3002\r\n\t\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u3001Consumer.accept\u306e\u547c\u3073\u51fa\u3057\u306b\u591a\u614b\u30b3\u30fc\u30eb(polymorphic call)\u3092\u4f7f\u3044\u307e\u3059\u304c\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u304c\u51fa\u6765\u306a\u3044\u305f\u3081\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u304c\u3042\u308a\u307e\u3059\u3002\r\n\r\nKotlin\u3067\u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u95a2\u6570\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001forEach\u306f\u305d\u306e\u5185\u306e\uff11\u3064\u3067\u3059\u3002\u30e9\u30e0\u30c0\u3067\u30a4\u30f3\u30e9\u30a4\u30f3\u95a2\u6570\u3092\u4f7f\u3048\u3070\u95a2\u6570\u30dc\u30c7\u30a3\u3068\u30e9\u30e0\u30c0\u306f\u30b3\u30fc\u30eb\u30b5\u30a4\u30c8\u306b\u3066\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u3055\u308c\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066:\r\n\r\n\t\u30e9\u30e0\u30c0\u306e\u30d0\u30a4\u30c8\u30b3\u30fc\u30c9\u306f\u547c\u3073\u51fa\u3059\u30e1\u30bd\u30c3\u30c9\u306e\u30d0\u30a4\u30c8\u30b3\u30fc\u30c9\u306b\u76f4\u63a5\u633f\u5165\u3055\u308c\u3001\u30e1\u30bd\u30c3\u30c9\u30ab\u30a6\u30f3\u30c8\u306f\u5897\u3048\u307e\u305b\u3093\u3002\r\n\t\u30b3\u30fc\u30c9\u547c\u3073\u51fa\u3057\u306b\u3088\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u751f\u6210\u306f\u306a\u304f\u3001\u30ac\u30d9\u30fc\u30b8\u30b3\u30ec\u30af\u30bf\u3078\u306e\u8ca0\u62c5\u3082\u3042\u308a\u307e\u305b\u3093\u3002\r\n\t\u751f\u6210\u3055\u308c\u305f\u30d0\u30a4\u30c8\u30b3\u30fc\u30c9\u306b\u591a\u614b\u30e1\u30bd\u30c3\u30c9\u30b3\u30fc\u30eb\u306f\u306a\u304f\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u3067\u53ef\u80fd\u306a\u9650\u308a\u30d9\u30b9\u30c8\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5f15\u304d\u51fa\u3057\u307e\u3059\u3002\r\n\r\n\u3064\u307e\u308a\u3001Android\u306b\u304a\u3051\u308bJava 8\u30e9\u30e0\u30c0\u306f\u5fc5\u305a\u3057\u3082\u597d\u304d\u306b\u4f7f\u3063\u3066\u826f\u3044\u3082\u306e\u3067\u306f\u306a\u304f\u6bce\u56de\u30b3\u30fc\u30c9\u306e\u30a8\u30ec\u30ac\u30f3\u30b9\u3055\u3092\u3068\u308b\u304b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u3068\u308b\u304b\u3067\u60a9\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067Kotlin\u3067\u306f\u305d\u306e\u3088\u3046\u306a\u59a5\u5354\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002\u30b3\u30fc\u30c9\u3092\u8868\u73fe\u3059\u308b\u4e0a\u3067\u30d9\u30b9\u30c8\u3067\u3042\u308c\u3070\u5e38\u306b\u30e9\u30e0\u30c0\u3092\u9078\u3093\u3067\u7d50\u69cb\u3067\u3059\u3002\r\n\r\n\u305d\u3057\u3066\u3001\u3082\u3061\u308d\u3093Kotlin\u306fJava\u306b\u306f\u306a\u3044\u6ca2\u5c71\u306e\u9b45\u529b\u7684\u306a\u8a00\u8a9e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u4e3b\u306a\u3082\u306e\u3092\u5c11\u3057\u3060\u3051\u6319\u3052\u307e\u3059:\r\n\r\n\tnull\u5b89\u5168\u6a5f\u80fd\u306b\u3088\u308a\u30b3\u30fc\u30c9\u3067\u8d77\u304d\u308bNullPointerException\u3092\u307b\u307c\u9632\u6b62\u3067\u304d\u308b\r\n\t\u30d7\u30ed\u30d1\u30c6\u30a3\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3001\u30c7\u30fc\u30bf\u30af\u30e9\u30b9\u306b\u3088\u308a\u30b3\u30fc\u30c9\u306e\u5b9a\u578b\u6587\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b:\r\ndata class User(val name: String, val groupId: String = \"default\")\r\n\t\u59d4\u8b72\u30d7\u30ed\u30d1\u30c6\u30a3(Delegated properties)\u306b\u3088\u308a\u30d7\u30ed\u30d1\u30c6\u30a3\u306egetter\/setter\u306b\u7f6e\u3051\u308b\u5171\u901a\u306e\u30ed\u30b8\u30c3\u30af\u3092\u62bd\u51fa\u3067\u304d\u308b:\r\nval imageData by lazy { loadData(imageFile) }>\r\n\r\n\u305d\u3057\u3066Kotlin\u306eDSL\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30b7\u30e7\u30f3\u6a5f\u80fd\u306fJava\u3067\u306f\u7c21\u5358\u306b\u5b9f\u73fe\u3067\u304d\u306a\u3044\u30d5\u30ec\u30ad\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070XML\u30ec\u30a4\u30a2\u30a6\u30c8\u3092Kotlin\u306e\u62bd\u8c61\u5316\u6a5f\u80fd\u3092\u30d5\u30eb\u6d3b\u7528\u3057\u305f\u57cb\u8fbcDSL\u306b\u3088\u308a\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002Anko library\u3067\u306f\u3053\u306e\u3088\u3046\u306b\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059:\r\n\r\n\r\n\r\n\r\n\r\n\r\n1\r\n2\r\n3\r\n4\r\n5\r\n6\r\n\r\n\r\n\r\nverticalLayout {\r\n\u00a0\u00a0\u00a0\u00a0val name = editText()\r\n\u00a0\u00a0\u00a0\u00a0button(\"Say Hello\") {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0onClick { toast(\"Hello, ${name.text}!\") }\r\n\u00a0\u00a0\u00a0\u00a0}\r\n}\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\u3054\u89a7\u306e\u901a\u308a\u3001Kotlin\u306fJava 8\u304cJava 6\u30c7\u30d9\u30ed\u30c3\u30d1\u306b\u3082\u305f\u3089\u3059\u3088\u308a\u3082\u9059\u304b\u306b\u5927\u304d\u306a\u751f\u7523\u6027\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u7db2\u7f85\u7684\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30a8\u30af\u30b5\u30b5\u30a4\u30ba\u3001Kotlin\u306e\u57fa\u672c\u3084Android\u958b\u767a\u5411\u3051\u306e\u672c\u3082\u3042\u308a\u5b66\u7fd2\u306f\u5bb9\u6613\u3067\u3059\u3002\u307e\u3060Kotlin\u3092\u304a\u8a66\u3057\u3067\u306a\u3044\u306a\u3089\u3001\u4eca\u3053\u305d\u304c\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\uff01\r\n\r\n[\u539f\u6587]","protected":false},"excerpt":{"rendered":"Google\u304c\u6700\u8fd1\u30a2\u30ca\u30a6\u30f3\u30b9\u3057\u305f\u4e2d\u3067\u6700\u3082\u8208\u5473\u6df1\u3044\u30cb\u30e5\u30fc\u30b9\u306fJack\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u3088\u308aAndroidN\u3067Java8\u3092(\u9650\u5b9a\u7684\u306b)\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3068\u3044\u3046\u8a71\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u5f53\u7136\u306a\u304c\u3089\u7686\u69d8\u306f\u3053\u308c\u304cKotlin\u306eAndroid\u958b\u767a\u5411\u3051\u306e\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u306b\u3069\u3046\u5f71\u97ff\u3059\u308b\u304b\u8208\u5473\u306e\u3042\u308b\u3053\u3068\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3053\u3053\u3067\u8aac\u660e\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002Kotlin\u306eAndroid\u5411\u3051\u306e\u30ed\u30fc\u30c9\u30de\u30c3\u30d7JetBrains\u3067\u306fKotlin\u304c","protected":false},"author":{"name":"Yusuke","link":"https:\/\/blog.jetbrains.com\/ja\/author\/yusuke-yamamoto"},"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[],"tags":[],"cross-post-tag":[],"acf":[],"featured_image":null,"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/posts\/34808"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/users\/215"},{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/users\/215"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/comments?post=34808"}],"version-history":[{"count":0,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/posts\/34808\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/media?parent=34808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/categories?post=34808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/tags?post=34808"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ja\/wp-json\/wp\/v2\/cross-post-tag?post=34808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}