react-native-navigation/scripts/install-android.js

const includes = require('lodash/includes')
const exec = require('shell-utils').exec;

const release = includes(process.argv, '--release');

const isWindows = process.platform === 'win32' ? true : false;

run();

function run() {
  if (isWindows) {
  	exec.execSync(`cd playground/android && gradlew ${release ? 'installRelease' : 'installDebug'}`);
  } else {
  	exec.execSync(`cd playground/android && ./gradlew ${release ? 'installRelease' : 'installDebug'}`);
  }
}