expo-gradle-ext-vars
v0.1.2
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Expo plugin to append custom vars to the root android/build.gradle
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expo-gradle-ext-vars
By Transistor Software, creators of React Native Background Geolocation
A simple Expo Config Plugin for appending Android ext
vars to the android/build.gradle
. ext
vars are a common Android method for configuring project-wide, global configuration properties which can be shared by other plugins in order to avoid dependency conflicts.
A common usage of ext
vars is to align Google / AndroidX dependency version across different plugins using the same dependencies. For example:
dependencies {
implementation "androidx.appcompat:appcompat:${rootProject.ext.appCompatVersion}"
implementation "com.google.android.gms:play-services-location:${rootProject.ext.playServicesLocationVersion}"
}
Example Result: android/build.gradle
import org.apache.tools.ant.taskdefs.condition.Os
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
ext {
+ // @generated begin expo-gradle-ext-vars - expo prebuild (DO NOT MODIFY) sync-8c85b9ad3863726565f7eff0645ac3f5c56ce733
+ googlePlayServicesLocationVersion = "20.0.0"
+ appCompatVersion = "1.4.2"
+ // @generated end expo-gradle-ext-vars
buildToolsVersion = findProperty('android.buildToolsVersion') ?: '31.0.0'
minSdkVersion = Integer.parseInt(findProperty('android.minSdkVersion') ?: '21')
compileSdkVersion = Integer.parseInt(findProperty('android.compileSdkVersion') ?: '31')
targetSdkVersion = Integer.parseInt(findProperty('android.targetSdkVersion') ?: '31')
if (findProperty('android.kotlinVersion')) {
kotlinVersion = findProperty('android.kotlinVersion')
}
frescoVersion = findProperty('expo.frescoVersion') ?: '2.5.0'
if (System.properties['os.arch'] == 'aarch64') {
// For M1 Users we need to use the NDK 24 which added support for aarch64
ndkVersion = '24.0.8215888'
} else {
// Otherwise we default to the side-by-side NDK version from AGP.
ndkVersion = '21.4.7075529'
}
}
}
Installation
npx expo install expo-gradle-ext-vars
Usage
Add the following block to your Expo app's app.json
.
:warning: The variables below are only an example. You should only provide variables as prescribed by some other plugin you're installing.
{
"expo": {
"plugins": [
[
"expo-gradle-ext-vars", {
"googlePlayServicesLocationVersion": "20.0.0",
"appCompatVersion": "1.4.2"
}
]
]
}
After adding the plugin, run:
npx expo prebuild