Link: 2.3.9 Nested Views Codehs
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <!-- This is the NESTED layout --> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal">
: Always ensure every opening has a corresponding closing . Forgetting one will crash the React Native environment. 2.3.9 nested views codehs
CodeHS Exercise 2.3.9, "Nested Views," teaches React Native layout design by placing child components inside parent containers to manage complex UI structures. It demonstrates using flexDirection justifyContent alignItems <LinearLayout xmlns:android="http://schemas
.outer-container width: 80%; margin: auto; border: 2px solid black; padding: 10px; border: 2px solid black
In modern web and mobile development, user interfaces are rarely flat. They consist of containers within containers—a structure often called the "box model" or component tree. In CodeHS Unit 2.3.9, introduces the fundamental concept of placing visual elements (Views) inside other Views to create complex, organized, and responsive layouts.