snippets of android/build.gradle used to fix compilation problems with outdated subprojects in React Native 0.58.3

build.gradle

subprojects {
    afterEvaluate {project ->

		if (project.hasProperty("android") && VersionNumber.parse(project.property("android").buildToolsVersion) < VersionNumber.parse("28.0.2")) {
			def oldver = VersionNumber.parse(project.property("android").buildToolsVersion)
			println ""
			println "(*) UPGRADING $project.name from $oldver ..."
			println ""
			android {
				compileSdkVersion 28
				buildToolsVersion '28.0.2'
			}
		}

    }
}