1. In XCode, in the project navigator, right clickLibraries ➜Add Files to [your project's name]
2. Go tonode_modules ➜react-native-text-size and addRNTextSize.xcodeproj
3. In XCode, in the project navigator, select your project. AddlibRNTextSize.a to your project'sBuild Phases ➜Link Binary With Libraries
4. Run your project (Cmd+R)

1. Open upandroid/app/src/main/java/[...]/MainApplication.java

   • Addimport com.github.amarcruz.rntextsize.RNTextSizePackage; to the imports at the top of the file
   • Addnew RNTextSizePackage() to the list returned by thegetPackages() method

2. Append the following lines toandroid/settings.gradle:

   include':react-native-text-size'project(':react-native-text-size').projectDir=newFile(rootProject.projectDir,'../node_modules/react-native-text-size/android')

3. Insert the following lines inside the dependencies block inandroid/app/build.gradle:

   compile project(':react-native-text-size')

If you are using the Gradle plugin 3 or later (default in RN 0.57), in step 3 change thecompile directive toimplementation.