$ npm install --save git+https://github.com/prashant-agarwala/material-calendar-view.git

1. Open up android/app/src/main/java/[...]/MainApplication.java

     import com.prashant_agarwala.material_calendar_view.RNMaterialCalendarViewPackage; // add this
   
     public class MainApplication extends Application implements ReactApplication {
   
         @Override
         protected List<ReactPackage> getPackages() {
             return Arrays.<ReactPackage>asList(
                 new MainReactPackage(),
                 new RNMaterialCalendarViewPackage()     // add this
             );
         }
     }
   

2. Append the following lines to android/settings.gradle:

   include ':react-native-material-calendar-view'
   project(':react-native-material-calendar-view').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-material-calendar-view/android')
   

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

     compile project(':react-native-material-calendar-view')
   

import MaterialCalendar from 'react-native-material-calendar-view';


render() {
    return (
      <View style={styles.container}>
        <MaterialCalendar
          style={styles.calendarView}
          onDateChange={dateObject => {
            console.log(dateObject);
          }}
          day={20}
          month={4}
          year={2017}
        />
      </View>
    );
}