Question 1

How to install react-native-marquee-label in a React Native project?

Accepted Answer

You need to manually link the library for both iOS and Android by following the steps in the README, such as dragging RCTMarqueeLabel.xcodeproj in Xcode and editing build.gradle files. Auto-linking is not supported, so be prepared for a hands-on setup process.

Question 2

React Native MarqueeLabel vs JavaScript marquee libraries: which is better?

Accepted Answer

MarqueeLabel is better for performance-critical mobile apps because it uses native components for smooth animations, while JavaScript libraries are easier to set up but may suffer from lag or jank on lower-end devices. Choose based on your project's need for performance versus simplicity.

Question 3

How to change the scroll speed in react-native-marquee-label?

Accepted Answer

Use the scrollDuration prop, which accepts a number in seconds to control how fast the text scrolls. For example, setting scrollDuration={2.0} makes the text complete a scroll cycle in 2 seconds, allowing fine-tuning of animation speed.

Question 4

Does react-native-marquee-label work with Expo?

Accepted Answer

No, because it requires native module linking, which is not supported in Expo's managed workflow. You would need to eject to a bare workflow to use this library, adding complexity to your development process.

Question 5

How to add fade edges to marquee text on iOS?

Accepted Answer

Use the fadeLength prop on iOS to set the length of the fade effect at the edges of the scrolling text. For instance, fadeLength={10} creates a 10-pixel fade, enhancing readability by gradually obscuring text as it scrolls out of view.

Question 6

Can I use react-native-marquee-label for vertical scrolling?

Accepted Answer

No, this library only supports horizontal marquee scrolling as indicated by its native implementation. For vertical effects, you would need to explore alternative components or build a custom solution using React Native's animation APIs.

react-native-marquee-label

What is react-native-marquee-label?

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