When you integrate heavy third-party libraries such as OneSignal, there are chances you face Expiring Daemon because JVM heap space is exhausted error. This error occurs when you try to run your react native project on Android devices. The issue is Android-specific and it’s happening because allocated JVM memory is not enough to build your…
Nowadays, I face very few issues regarding react native command line. But recently when I executed the react-native start command on the terminal I got the following error. Apparently, this wasn’t a react native issue. It was a mistake from me. I should have executed the npx react-native start command from the project folder and…
Razorpay is a popular payment gateway among developers, especially in India. In this react native tutorial, let’s check how to add the Razorpay payment gateway in your react native project. I assume you have an account with Razorpay. Get test API keys from Settings > API Keys. Real money is not used when you use…
Usually, we run react native apps on real Android devices using the USB debugging method. The main issue with this method is that you need your device connected through a USB cable all the time. In this blog post, let’s how to debug or run your react native apps over a wireless network (WiFi). First…
Flipper is a debugging tool backed by Facebook and can be used for debugging Android, iOS, and react native projects. From version 0.62 onwards, React Native comes with default support for Flipper. Let’s check how to use flipper with react native. First of all, you have to install the Flipper app on your PC. You…
PDF is one of the most popular formats used for documents. As a result, you may have to add PDF support to your react native apps. In this blog post, let’s check how to create thumbnails for PDF files in react native. We use a third party library named react native pdf thumbnail to generate…
We get API responses mostly in JSON format. It’s due to the simplicity and popularity of JSON. Sometimes, developers prefer to give API responses in raw text. In this blog post, let’s check how to handle text responses using Fetch in react native. React Native provides Fetch API for our networking needs. Fetch returns promise…
When you use components such as FlatList, you may get few warnings in react native. Even though these warnings may not appear as crucial it’s always better to fix those warnings. One such warning you may come across is given below. Warning: Failed child context type: Invalid child context virtualizedCell.cellKey of type number supplied to…
It’s usual to encounter unprecedented errors when you are using so many third-party libraries in your react native project. Recently I faced a build error when I tried to run a react native android app. Following is the error shown in the terminal. Execution failed for task ‘:app:mergeDebugNativeLibs’.A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacadeMore than one…
The Portable Document Format (PDF) is one of the most popular formats used for documents. In this blog post, let’s check how to show pdf files in react native. React Native Pdf is a third party that helps us to open and read pdf files from a URL or local assets in react native. It…
Nowadays, everything happens digitally. Sometimes, we may need to capture the signatures of users digitally for our applications. We can capture the signature in react native with the help of a third-party library named react native signature canvas. The react native signature canvas provides a canvas component where the user can put the signature. So,…
Environment variables are global variables. The files with the .env extension are suitable for saving variables such as domains, API URLs, endpoints, etc. They help to decouple configuration details from our whole project. How to setup .env file in react native In react native, just adding a .env file is not enough. You have to…