Originally published on PEAKIQ Introduction Expo config plugins allow you to extend and customize the native behavior of your Expo app. Here, we will create a plugin that modifies various aspects of the Android project configuration, including the AndroidManifest.xml, Gradle properties, and MainApplication.java file. Prerequisites Basic knowledge of JavaScript and Node.js Understanding of Android development concepts Expo CLI installed Steps to Create the Plugin 1. Setting Up the Plugin First, ensure you have the necessary imports from @expo/config-plugins : const { withAndroidManifest , withGradleProperties , withProjectBuildGradle , withAppBuildGradle , withMainApplication } = require ( " @expo/config-plugins " ); 2. Defining Configuration Changes We will define various configuration changes that our plugin will apply: Gradle Properties: Define new Gradle properties to be added to the project. Activities: Add new activities to the AndroidManifest.xml.…