React Native Finish Current Screen while Navigating to Next Screen

While we navigate to the next screen from any screen the old screen remains in the stack and after coming back we see the same screen. React Native Finish Current Screen while Navigating to Next Screen includes how we navigate to next screen and finish the old one from the stack?

Why do we need to finish the current screen while navigating to next screen?

While developing an App we sometimes need to go to the next screen but never want to come back to the current screen. For an example, You have a Splash screen in your App which you want to show for the first time when the user opens the App and do not want to show it again either by the pressing the back button or by any other way.

To finish the current screen while navigating to next screen you have to define the navigation of the screen by the createSwitchNavigator in place of createStackNavigator. It will not store your previous screen into the stack so the user will not be able to go to the previous screen.

If you have used the createStackNavigator you can find that in the First screen, the app has a Navigation Bar and while going to the other screen it will have a Navigation Bar with the back button to go to the previous screen. It is because it stores the previous screen in the stack to go back. But in this example of createSwitchNavigator, you can find it do not show the Navigation Bar either on First Screen or on Second Screen. So let’s get started with the example.

This example will work for the React Navigation Version 3+. If you are using Version 2+ then please find the comments in the code for the suitable changes or can see our old post React Native Navigation Version 2+ for the help.

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.

Installation of Dependency

To use createSwitchNavigator you need to install react-navigation package. To install this

Open the terminal and jump into your project

Run the following command

This command will copy all the dependencies into your node_module directory, You can find the directory in node_module the directory named react-navigation.

–save is optional, it is just to update the react-navigation dependancy in your package.json file.

Dependency Version for this Example used is

Project File Structure

To start with this Example you need to create a directory named pages in your project and create two files FirstPge.js and SecondPage.js in it.


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

App.js

Open pages/FirstPage.js in any code editor and the Replace the code with the following code.

FirstPage.js

Open pages/SecondPage.js in any code editor and the Replace the code with the following code.

SecondPage.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

Android

    

IOS

      

That was the React Native Switch Navigator. 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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