{"id":3125,"date":"2018-01-26T12:28:17","date_gmt":"2018-01-26T03:28:17","guid":{"rendered":"http:\/\/www.ois-yokohama.co.jp\/oisblog\/?p=3125"},"modified":"2019-05-16T18:12:22","modified_gmt":"2019-05-16T09:12:22","slug":"kotlin%e3%81%ab%e3%82%88%e3%82%8bandroid%e3%82%a2%e3%83%97%e3%83%aa%e9%96%8b%e7%99%ba","status":"publish","type":"post","link":"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/archives\/3125","title":{"rendered":"Kotlin\u306b\u3088\u308bAndroid\u30a2\u30d7\u30ea\u958b\u767a"},"content":{"rendered":"<div class=\"veu_autoEyeCatchBox\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2019\/01\/pic_c076-1024x683.jpg\" class=\"attachment-large size-large wp-post-image\" alt=\"\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2019\/01\/pic_c076-1024x683.jpg 1024w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2019\/01\/pic_c076-300x200.jpg 300w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2019\/01\/pic_c076-768x512.jpg 768w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2019\/01\/pic_c076.jpg 1280w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/div>\n<h3>\u3010Kotlin\u3092\u4f7f\u3063\u3066\u307f\u308b\u3011<\/h3>\n<p>Android\u30a2\u30d7\u30ea\u306e\u958b\u767a\u8a00\u8a9e\u3068\u3057\u3066\u65b0\u305f\u306b<strong>Kotiln<\/strong>\u304c\u6b63\u5f0f\u306b\u63a1\u7528\u3055\u308c\u3001\u300cAndroid Studio 3.0\u300d\u306bKotlin\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\n\u4eca\u56de\u306f\u958b\u767a\u74b0\u5883\uff5e\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7\u30ea\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068Kotlin\u306e\u7279\u5fb4\u7b49\u306b\u3064\u3044\u3066\u8ff0\u3079\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3>\u3010Kotlin\u306e\u74b0\u5883\u69cb\u7bc9\u3011<\/h3>\n<p>\u30fb\u7528\u610f\u3059\u308b\u7269<\/p>\n<p style=\"padding-left: 30px;\">Android Studio 3.0\u4ee5\u4e0a<br \/>\nAndroid\u7aef\u672b(\u203b\u4eca\u56de\u306fAndroid 7.0\u3092\u4f7f\u7528)<\/p>\n<p style=\"padding-left: 30px;\">1.\u00a0\u4ee5\u4e0b\u306e\u516c\u5f0f\u30da\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u624b\u9806\u901a\u308a\u306bAndroid Studio\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 30px;\">\u300c<a href=\"https:\/\/developer.android.com\/studio\/install.html\" target=\"_blank\" rel=\"noopener\">https:\/\/developer.android.com\/studio\/install.html<\/a>\u300d<\/p>\n<p style=\"padding-left: 30px;\">2.\u00a0\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/p>\n<p style=\"padding-left: 60px;\">(1)[Start a new Android Studio Project]\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 30px;\"><a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/11.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3129 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/11.png\" alt=\"1\" width=\"650\" height=\"471\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/11.png 650w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/11-300x217.png 300w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/p>\n<p style=\"padding-left: 30px;\">3. [Install Kotlin support]\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c [Next]\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 30px;\"><a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3131 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/2.png\" alt=\"2\" width=\"893\" height=\"645\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/2.png 893w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/2-300x217.png 300w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/2-768x555.png 768w\" sizes=\"auto, (max-width: 893px) 100vw, 893px\" \/><\/a><\/p>\n<p style=\"padding-left: 30px;\">[Next]\u2192[Next]\u2192[Finish]\u304b\u3089\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3132 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/3.png\" alt=\"3\" width=\"556\" height=\"132\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/3.png 556w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/3-300x71.png 300w\" sizes=\"auto, (max-width: 556px) 100vw, 556px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h3>\u3010\u30a2\u30d7\u30ea\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3011<\/h3>\n<p>1.Android\u7aef\u672b\u4e0a\u3067[\u8a2d\u5b9a]-&gt;[\u7aef\u672b\u60c5\u5831]-&gt;[\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u60c5\u5831] -&gt; [\u30d3\u30eb\u30c9\u756a\u53f7]\u30927\u56de\u30bf\u30c3\u30d7\u3057\u3001[\u958b\u767a\u8005\u30aa\u30d7\u30b7\u30e7\u30f3]\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 30px;\">[\u8a2d\u5b9a]-&gt; [\u958b\u767a\u8005\u30aa\u30d7\u30b7\u30e7\u30f3]-&gt; [USB\u30c7\u30d0\u30c3\u30b0]\u3092ON\u306b\u3057\u3066PC\u306b\u3064\u306a\u304e\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3134 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/4.png\" alt=\"4\" width=\"343\" height=\"610\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/4.png 343w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/4-169x300.png 169w\" sizes=\"auto, (max-width: 343px) 100vw, 343px\" \/><\/a><\/p>\n<p style=\"padding-left: 30px;\">PC\u306b\u7e4b\u304e[USB\u30c7\u30d0\u30c3\u30b0\u3092\u8a31\u53ef\u3057\u307e\u3059\u304b\uff1f]\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u306e\u3067[OK]\u3092\u30bf\u30c3\u30d7\u3057\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3135 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/5.png\" alt=\"5\" width=\"371\" height=\"363\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/5.png 371w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/5-300x294.png 300w\" sizes=\"auto, (max-width: 371px) 100vw, 371px\" \/><\/a><br \/>\n2.Android Studio\u3067\u7dd1\u306e\u4e09\u89d2\u30dc\u30bf\u30f3\u304b\u3089\u7e4b\u3044\u3060\u7aef\u672b\u3092\u9078\u629e\u3057\u3001[OK]\u3092\u62bc\u3059\u3053\u3068\u3067\u30a2\u30d7\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3136 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/6.png\" alt=\"6\" width=\"413\" height=\"207\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/6.png 413w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/6-300x150.png 300w\" sizes=\"auto, (max-width: 413px) 100vw, 413px\" \/><\/a><\/p>\n<h3>\u3010Kotlin\u306e\u30b3\u30fc\u30c9\u306e\u7279\u5fb4\u3011<\/h3>\n<p><strong>\u30fbJava\u3068\u306e\u5927\u307e\u304b\u306a\u9055\u3044<\/strong><br \/>\n<a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/7-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3137 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/7-1.png\" alt=\"7\" width=\"568\" height=\"243\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/7-1.png 568w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/7-1-300x128.png 300w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/a><br \/>\n<strong>\u30fbNull Safety\u306a\u8a00\u8a9e\u4ed5\u69d8<\/strong><\/p>\n<p style=\"padding-left: 30px;\">null\u3092\u6301\u3064\u5909\u6570\u304b\u3069\u3046\u304b\u3092\u533a\u5225\u3067\u304d\u307e\u3059\u3002null\u3092\u8a31\u53ef\u3059\u308b\u5834\u5408\u306f\u578b\u306e\u76f4\u5f8c\u306b\uff1f\u3092\u4ed8\u3051\u3066\u5ba3\u8a00\u3057\u307e\u3059\u3002 \uff1f\u304c\u4ed8\u3044\u3066\u306a\u304f\u3001null\u304c\u4ee3\u5165\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3068\u306a\u308a\u3001NullPointerException\u3092\u56de\u907f\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3138\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/8.png\" alt=\"8\" width=\"300\" height=\"54\" \/><\/p>\n<h3>\u3010java\u304b\u3089Kotlin\u3078\u306e\u30b3\u30fc\u30c9\u306e\u5909\u63db\u3011<\/h3>\n<p>Java\u3068\u306f\u4e92\u63db\u6027\u304c\u3042\u308a\u3001[code]\u304b\u3089[Convert Java File to Kotlin File]\u3067Java\u306e\u30b3\u30fc\u30c9\u3092Kotlin\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/9.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3139 size-full\" src=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/9.png\" alt=\"9\" width=\"505\" height=\"579\" srcset=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/9.png 505w, https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/wp-content\/uploads\/2018\/01\/9-262x300.png 262w\" sizes=\"auto, (max-width: 505px) 100vw, 505px\" \/><\/a><\/p>\n<h3>\u3010\u307e\u3068\u3081\u3011<\/h3>\n<p>\u4eca\u5f8cJava\u3067\u306f\u306a\u304f\u6b63\u5f0f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u305fKotlin\u3092\u4f7f\u7528\u3057\u3066Android\u30a2\u30d7\u30ea\u958b\u767a\u3092\u884c\u3046\u6a5f\u4f1a\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306e\u3067\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u4e00\u5ea6\u8a66\u3057\u3066\u307f\u308b\u306e\u304c\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p style=\"color: #666666;\">\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3000<a style=\"color: #000000;\" href=\"http:\/\/www.ois-yokohama.co.jp\/\"><span style=\"color: #000000;\">http:\/\/www.ois-yokohama.co.jp<\/span><\/a><\/p>\n<p style=\"color: #666666;\">facebook\u3000\u3000\u3000<a style=\"color: #000000;\" href=\"https:\/\/www.facebook.com\/orientalinformationservice\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">https:\/\/www.facebook.com\/orientalinformationservice\/<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010Kotlin\u3092\u4f7f\u3063\u3066\u307f\u308b\u3011 Android\u30a2\u30d7\u30ea\u306e\u958b\u767a\u8a00\u8a9e\u3068\u3057\u3066\u65b0\u305f\u306bKotiln\u304c\u6b63\u5f0f\u306b\u63a1\u7528\u3055\u308c\u3001\u300cAndroid Studio 3.0\u300d\u306bKotlin\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u4eca\u56de\u306f\u958b\u767a\u74b0\u5883\uff5e\u30b5\u30f3\u30d7\u30eb\u30a2\u30d7 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5756,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","vkExUnit_EyeCatch_disable":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-3125","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-engineer"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"akiyama\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.ois-yokohama.co.jp\/oisblog2018\/archives\/3125\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta 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