{"provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","version":"1.0","author_name":"rasumus","blog_title":"rokkonet","categories":["android\u958b\u767a","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"url":"https://rasumus.hatenablog.com/entry/2020/05/05/200937","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frasumus.hatenablog.com%2Fentry%2F2020%2F05%2F05%2F200937\" title=\"AsyncTask\u306edoInBackground()\u5185\u3067\u767a\u751f\u3057\u305f\u4f8b\u5916\u306e\u6355\u6349 - rokkonet\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","published":"2020-05-05 20:09:37","image_url":null,"author_url":"https://blog.hatena.ne.jp/rasumus/","blog_url":"https://rasumus.hatenablog.com/","title":"AsyncTask\u306edoInBackground()\u5185\u3067\u767a\u751f\u3057\u305f\u4f8b\u5916\u306e\u6355\u6349","description":"2020 May 05. AsyncTask\u306edoInBackground()\u5185\u3067\u767a\u751f\u3057\u305f\u4f8b\u5916\u306f return\u6587\u3067onPostExecute()\u306b\u6e21\u3057\u3066\u628a\u63e1\u3059\u308b\u3057\u304b\u306a\u3044\uff1f onPostExecute()\u5185\u3067\u306fToast\u3092\u4f7f\u3048\u308b\u3002 class MyTask(): AsyncTask<Void, Void, String>() { override fun doInBackground(vararg params: Void?): String { try { DO_YOUR_JOB } catch (e: Exception) { return (\"Exception: \" + e.toStri\u2026"}