TextInput is a Core Component that allows the user to enter text. It has an onChangeText prop that takes a function to be called every time the text changed, and an onSubmitEditing prop that takes a function to be called when the text is submitted. For example, let's say that as the user types, you're translating their words into a different language. In this new language, every single word is wri

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Welcome to the very start of your React Native journey! If you're looking for getting started instructions, they've moved to their own section. Continue reading for an introduction to the documentation, Native Components, React, and more! Many different kinds of people use React Native: from advanced iOS developers to React beginners, to people getting started programming for the first time in the

サンプルコード：GitHub React Nativeを使って楽にスマホアプリを作ろうぜってことでまとめてみようと思います。 ReactJSで作る今時のSPA入門（基本編）の続編です。 ReactJSの基本がわかっている前提で説明します。 ちなみに楽と書いたのはネイティブコードでアプリを作るよりは楽という意味です。 （後は開発サイクルが早く回せるという意味で） React Nativeのアーキテクチャ 参考：React Native Architecture : Explained! React Nativeの構成はざっくり次の図のようになっています。 JavaScriptCoreと言われるWebkitにも使われているJavaScriptエンジンでJavaScript Runtime Environmentが作成されています。React NativeのJavaScriptコードはJavaS