{"blog_url":"https://shinriyo.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinriyo.hateblo.jp%2Fentry%2F2021%2F11%2F21%2FinitializePushNotification%25E3%2581%25AE%25E3%2582%2584%25E3%2581%25A4\" title=\"initializePushNotification\u306e\u3084\u3064 - \u4e07\u5e74\u7d20\u4eba\u304b\u3089Hacker\u3078\u306e\u9053\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"title":"initializePushNotification\u306e\u3084\u3064","blog_title":"\u4e07\u5e74\u7d20\u4eba\u304b\u3089Hacker\u3078\u306e\u9053","categories":["flutter"],"height":"190","url":"https://shinriyo.hateblo.jp/entry/2021/11/21/initializePushNotification%E3%81%AE%E3%82%84%E3%81%A4","description":"E/flutter (32449): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: Null check operator used on a null value E/flutter (32449): #0 MethodChannelFirebaseMessaging.registerBackgroundMessageHandler (package:firebase_messaging_platform_interface/src/method_channel/method_channel_messagi\u2026","version":"1.0","type":"rich","author_name":"shinriyo","width":"100%","published":"2021-11-21 11:25:11","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/shinriyo/","provider_url":"https://hatena.blog"}