Image component (local and remote) in React Native - UI Render Trace

Component - Image component (local and remote)

The Image component in React Native displays pictures in your app. It can show images stored inside the app (local) or images loaded from the internet (remote). This helps make your app visually interesting and informative.

Widget Tree

View
├── Text
├── Image (local)
└── Image (remote)

The main container is a View holding three children stacked vertically: a Text label, an Image showing a local picture, and an Image showing a remote picture from a URL.

Render Trace - 4 Steps

Step 1: View

Step 2: Text

Step 3: Image (local)

Step 4: Image (remote)

State Change - Re-render

Trigger:No state change in this static image display example

Before

Initial render with local and remote images displayed

→

After

No change

Re-renders:No re-render triggered

UI Quiz - 3 Questions

What does the local Image component use to load its picture?

A A base64 encoded string

B require() with a local file path

C A web URL string

D An inline SVG code

Key Insight

Using the Image component with local and remote sources lets you show pictures from inside your app or from the internet. Always set width and height to avoid layout jumps. Wrapping images in a View with flexDirection column and alignItems center arranges them nicely stacked and centered on the screen.