React Native Search Bar Filter on Listview

If we have a Long list in the app then it is very inconvenient to search the required data by scrolling the whole list. Similarly, Let’s take an example of E-Commerce which has the number of products and we have to choose our required product. You can imagine how tough it will be to search for a product by scrolling. So at this point, we need a Search Bar Filter on Listview so that we can easily search the required data and can save our time.

In this Example of React Native Search Bar Filter on Listview, we are going to use a ListView with a TextInput to work as the search bar.

The logic is simple

  • We will load the list from the network call and then show it to the user.
  • The user can search the data by entering the text in TextInput.
  • After inserting the text SearchFilterFunctionwill be called
  • We will compare the list data with the inserted data and will make a new Data source.
  • We will update the data source attached with the ListView.
  • It will re-render the list and the user will be able to see the filtered data.

To Make a React Native App

Getting started with React Native will help you to know more about the way you can make a React Native project. We are going to use react-native init to make our React Native App.

Assuming that you have node installed, you can use npm to install the react-native-cli command line utility.
Open the terminal and go to the workspace and run Run the following commands to create a new React Native project This will make a project structure with an index file named App.js in your project directory.

Open App.js in any code editor and replace the code with the following code.

App.js

To Run the React Native App

Open the terminal again and jump into your project using. To run the project on an Android Virtual Device or on real debugging device or on the iOS Simulator by running

      

This is how you can make a Search bar filter on listview in React Native. If you have any doubt or you want to share something about the topic you can comment below or contact us here. There will be more posts coming soon. Stay tuned!

Hope you liked it. 🙂

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About Snehal Agrawal

#SelfLearner #MobileAppDeveloper #TechnologyMiner #OpenSourceLover thats enough to describe me..

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