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How To Add Animations To Your React Native App

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July 2 , 2020 Posted by Creatix9

Animations are an important part of any mobile applications which drastically improves the user experience. The UI of mobile applications becomes interactive and engaging with the use of animations. It brings the app to life through movement which instantly grabs the attention of potential users. With the massive increase in demand for react native applications, it has become essential for mobile app developers to add animations. These are beneficial to make the users stick with your app as it performs long operations. It doesn’t let the user become frustrated during the long process and keep them entertained with the constant movement of animations. 

In this article, you’ll learn about the implementation of basic animations like scale, spring etc. Have a look on the complete guide to know the right steps to add animation to your React Native app.

 

Setting Up React Native Project

How To Add Animations To Your React Native App
Setting Up React Native Project

This tutorial will focus on creating a Pokemon gallery app where all the details related to pokemon will be displayed to users. To build react native app you need the required setups for React Native and a project containing necessary screens and components. Install the required packages with react-native animation npm install command. To add the directories of android and iOS execute the command ‘react-native upgrade’. Now you need to link the React Native vector icons with your project with the command ‘react-native link’. Once all these commands execute correctly, you’ll be able to run react native app on your device with command ‘react-native run-android’ or ‘react-native run-ios’. 

 

Scale Animation

How To Add Animations To Your React Native App
Scale Animation

As a professional React Native developer, you need to scale up the size of the card as the user presses it and then scale back to the original size as the user releases the card. In this tutorial, you’ll be learning the work on the card component (src/components/Card.js). React Native provides certain modules that allow you to add animations to the app. First import the animated animation module and then declare the animated value. The next step is to specify how over time the animated value changes. There is an interpolation method with animated values that allows value update as the animation starts moving.  Set the style for the animation and render component’s animated version, then start the animation using onPress event handler. If you’re still unclear about the steps, you can take help from different React Native animation medium articles. 

 

Rotate Animation

How To Add Animations To Your React Native App
Rotate Animation

You have freedom to rotate and spin the buttons as the user presses it. To rotate the animation, use IconButton component which is class-based and best to declare animated value in constructor. Inside the render method, the outputRange would be spring value specifying the degrees which rotate the animated value. Next, you need to declare the rotating component styles and finally render the component. As the user interacts on it, it’ll animate towards desired value and as the user releases it, the value gets reversed. You may realize the need to use third party libraries instead of the animated API. One of the best React Native animation libraries that is popular among most of the developers is react-native-motion. Another outstanding library react-native-wave animation can also be added to the app which offers some amazing functionalities. 

 

Spring Animation

How To Add Animations To Your React Native App
Spring Animation

In spring animation you’ll work on AnimatedModal components. It relies on the state and as you open the file of App.js, the isModalVisible will be set to true if the Modal is opened. Inside the render method, set the bottom value the same as the screen’s height negative value. Doing this will hide the component from view. When the Modal is opened, the bottom value is set to 0, it helps in returning the component to its original position. Next, you need to apply translateStyle to the component. You’ll have TouchableOpacity on the model’s header which allows to close the modal. It basically executes the method of onClose passed as prop to the file App.js. You can apply several different functionalities to your animations like you can use a React Native animated loop to reset the value and start from the beginning as it reaches the end of a certain value. 

 

Sequence Animation

How To Add Animations To Your React Native App
Sequence Animation

Sequence animation is a collection of different animations executed one after the other as the name ‘sequence’ indicates. You can perform the animations like opacity animations, translate and scale animation in a sequence. You need to open the file of src/components/BigCard,.js and declare the animated values of all the three. Inside render method, opacity interpolating is the same as you interpolated the component’s vertical position. The only difference is of style, thus set the opacity to the interpolated value. You can start the animation as the component gets updated. Reset the individual animated values and then start the sequence animation. If you want to add react native transition animation, learn navigations through the screen of react native app. You can use React Native animated hooks to use other React Native features without even writing a class. 

 

Conclusion

In a nutshell, mobile application development company that relies on React Native platform uses animations to interact with users. Animations are helpful in telling users about the status of operation being performed in the app. These are also used to teach users the correct use of mobile apps and its features. For a professional looking React Native app, implement the steps properly to add animation within the app.

 

Also Read: How To Use TypeScript With React Native

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