How to Fix Android Gradle plugin requires Java 11 to run React Native Error

I was trying to run a new react native project using my Android emulator and I faced an unexpected react native issue that says the Android Gradle plugin requires Java 11 to run. Following is the complete error. The issue is with the JDK. As you can see, the error message is advocating us to …

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How to Fix ‘while resolving: undefined@undefined’ Error while Creating new React Native Project

Recently, I faced an unexpected react native error. I was creating a new React Native project with the command npx react-native init and I was shown an undefined@undefined error in the terminal. Following is the complete error. Following is the solution for this react native error. Go to users/YourName/ folder. Unhide the hidden folders. If …

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How to Add a Country Code Picker with Phone Input in React Native

Phone number authentication is widely used in mobile apps. Country code picker and OTP are important components of Phone number authentication. In this blog post, let’s see how to create a country code picker with phone number input easily in react native. The easiest way to create a country code picker is to use any …

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How to Generate Random Colors in React Native

Sometimes, you may want to generate random colors in your react native project. This short tutorial helps you to generate random colors and set them as background colors in react native. You can generate a random color using the following function in JavaScript. In the following react native example, there’s a FlatList with items that …

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How to Prevent taking Screenshots in React Native App (Android)

Mobile users can take screenshots in any app easily. In some scenarios, you may want to prevent users from taking screenshots inside your app. In this tutorial, let’s check how to prevent screenshots in react native app. Please note that this tutorial works only for Android apps created using react native. Go to YourProject/android/app/src/main/java/com/yourproject/MainActivity and …

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How to Decrease Brightness of an Image in React Native

Sometimes, you may want to add images and apply some darkness to them. In this short tutorial, let’s check how to bring down the brightness of an image in React Native. The Image component of react native doesn’t allow to have children. Hence, we are using ImageBackground component which allows children. The idea here is …

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How to Import Color Variables to a File in React Native

It’s always good to have common color variables throughout your react native project. This helps you to manage your colors and usage easily. Even though this seems pretty obvious beginners may not know how to add a color file in react native. For example, create a file named Colors.js in your project. Then add the …

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